{"id":1836,"date":"2023-03-29T21:47:18","date_gmt":"2023-03-29T13:47:18","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1836"},"modified":"2023-04-22T09:17:10","modified_gmt":"2023-04-22T01:17:10","slug":"android-hook-implement-launching-activity-without-manifests","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/29\/android-hook-implement-launching-activity-without-manifests\/","title":{"rendered":"Android Hook\u5b9e\u73b0\u65e0\u6e05\u5355\u542f\u52a8Activity"},"content":{"rendered":"<p>\u6b63\u5e38\u5f00\u53d1\u4e2d\uff0c\u6240\u6709Activity\u90fd\u8981\u5728<code>AndroidManifest.xml<\/code>\u4e2d\u8fdb\u884c\u6ce8\u518c\uff0c\u624d\u53ef\u4ee5\u6b63\u5e38\u8df3\u8f6c\u3002\u901a\u8fc7<code>hook<\/code>\uff0c\u53ef\u4ee5\u7ed5\u8fc7\u7cfb\u7edf\u5bf9activity\u6ce8\u518c\u7684\u68c0\u6d4b\uff0c\u5373\u4f7f\u4e0d\u6ce8\u518c\uff0c\u4e5f\u53ef\u4ee5\u6b63\u5e38\u8df3\u8f6c\u3002<\/p>\n<h2>\u6574\u4f53\u601d\u8def<\/h2>\n<p>\u6211\u4eec\u5df2\u7ecf\u5b9e\u73b0Activity\u542f\u52a8\u6d41\u7a0b\u7684<code>hook<\/code>\uff0c\u6700\u7ec8\u91c7\u7528\u7684\u65b9\u6848\uff0c\u662f<code>Hook AMS<\/code>\uff0c\u5b9e\u73b0\u5168\u5c40<code>startActivity<\/code>\u52a8\u4f5c\u7684\u52ab\u6301\u3002\u73b0\u5728\u5c31\u4ece\u8fd9\u4e2a<code>AMS<\/code>\u7684<code>hook<\/code>\u4e3a\u8d77\u70b9\uff0c\u6765\u5b9e\u73b0\u65e0\u6e05\u5355\u542f\u52a8Activity<\/p>\n<p><!-- more --><\/p>\n<p>\u6211\u4eec\u65e2\u7136\u4fa6\u6d4b\u5230\u4e86<code>startActivity<\/code>\u8fd9\u4e2a\u65b9\u6cd5\u7684\u8c03\u7528\uff0c\u90a3\u4e48\u81ea\u7136\u5c31\u53ef\u4ee5\u62ff\u5230\u91cc\u9762\u7684\u5b9e\u53c2\uff0c\u6bd4\u5982Intent\u3002Intent\u662f\u8df3\u8f6c\u610f\u56fe\uff0c\u4ece\u54ea\u91cc\u6765\uff0c\u8df3\u5230\u54ea\u91cc\u53bb\u7684\u4fe1\u606f\uff0c\u90fd\u5305\u542b\u5728Intent\u91cc\u9762\u3002\u800cmanifest Activity\u7684\u68c0\u6d4b\uff0c\u4e5f\u662f\u8981\u6839\u636eIntent\u91cc\u9762\u7684\u4fe1\u606f\u6765\u7684\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u8981\u9a97\u8fc7\u7cfb\u7edf\uff0c\u5047\u88c5\u6211\u4eec\u8df3\u7684Activity\u662f\u5df2\u7ecf\u6ce8\u518c\u8fc7\u7684\uff0c\u90a3\u4e48\u53ea\u9700\u8981\u5c06Intent\u91cc\u9762\u7684\u4fe1\u606f\u6362\u6210\u5df2\u7ecf\u5728manifest\u4e2d\u6ce8\u518c\u7684\u67d0\u4e2aActivity\u5373\u53ef\uff08\u5982APP\u542f\u52a8\u7684LauncherActivity\uff09<\/p>\n<blockquote>\n<p>\u786e\u5b9a\u601d\u8def\uff1a<\/p>\n<ul>\n<li>\n<ol>\n<li>\u5728AMS\u7684hook\u51fd\u6570\u4e2d\uff0c\u5c06\u771f\u5b9e\u7684Intent\u4e2d\u7684\u4fe1\u606f\uff0c\u66ff\u6362\u6210manifest\u4e2d\u5df2\u6709\u7684Activity\u4fe1\u606f\uff0c\u9a97\u8fc7\u7cfb\u7edf\u7684\u68c0\u6d4b\u673a\u5236\u3002<\/li>\n<\/ol>\n<\/li>\n<li>\n<ol start=\"2\">\n<li>\u867d\u7136\u9a97\u8fc7\u4e86\u7cfb\u7edf\u7684\u68c0\u6d4b\u673a\u5236\uff0c\u4f46\u662f\u8fd9\u4e48\u4e00\u6765\uff0c\u6bcf\u4e00\u6b21\u7684\u8df3\u8f6c\uff0c\u90fd\u4f1a\u8df3\u5230&quot;\u5047&quot;\u7684Activity\uff0c\u8fd9\u80af\u5b9a\u4e0d\u662f\u6211\u4eec\u60f3\u8981\u7684\u6548\u679c\uff0c\u90a3\u4e48\u5c31\u5fc5\u987b\uff0c\u5728\u771f\u6b63\u7684\u8df3\u8f6c\u65f6\u673a\u4e4b\u524d\uff0c\u5c06\u771f\u5b9e\u7684Activity\u4fe1\u606f\uff0c\u8fd8\u539f\u56de\u53bb\uff0c\u8df3\u5230\u539f\u672c\u8be5\u53bb\u7684Activity<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<\/blockquote>\n<p>\u5bf9\u5e94\u7684\u6838\u5fc3\u4ee3\u7801\uff0c\u5176\u5b9e\u4e5f\u5c31\u4e24\u53e5\u8bdd\uff1a<\/p>\n<pre><code class=\"language-java\">\/**\n * hookAMS AMS\uff08ActivityManagerService\uff09\u517c\u5bb9 26\u4ee5\u4e0a\uff0c\u4ee5\u53ca26\u4ee5\u4e0b\u7684\u7248\u672c(SDK 26\u5bf9AMS\u5b9e\u4f8b\u7684\u83b7\u53d6\u8fdb\u884c\u4e86\u4ee3\u7801\u66f4\u6539)\n * \u5728\u5df2\u7ecf\u80fd\u591f\u5b9e\u73b0\u5168\u5c40hook MS\u7684\u65b9\u6848\u4e0b\uff0c\u8fdb\u4e00\u6b65\u6539\u9020\uff0c\u5b9e\u73b0\u65e0\u6e05\u5355\u542f\u52a8Activity\n *\/\npublic static void hook(Context context) {\n\n    hookAMS(context);\/\/\u4f7f\u7528\u5047\u7684Activity\uff0c\u9a97\u8fc7AMS\u7684\u68c0\u6d4b\n\n    hookActivityThread_mH(context);\n\n    hookPMAfter28(context);\/\/\u7531\u4e8eAppCompatActivity\u5b58\u5728PMS\u68c0\u6d4b\uff0c\u5982\u679c\u8fd9\u91cc\u4e0dhook\u7684\u8bdd\uff0c\u5c31\u4f1a\u5305PackageNameNotFoundException\n}<\/code><\/pre>\n<h2>\u6e90\u7801\u7d22\u5f15<\/h2>\n<h3>\u8c03\u7528\u6d41\u7a0b\u56fe<\/h3>\n<p>\u4e0b\u56fe\u5927\u81f4\u753b\u51fa\uff1a\u4ece<code>Activity.startActivity<\/code>\u52a8\u4f5c\u5f00\u59cb\uff0c\u5230<code>Activity.startActivityForResult<\/code>\uff0c\u5230\u6700\u7ec8\u8df3\u8f6c\u52a8\u4f5c\u7684\u6700\u7ec8\u6267\u884c\u8005\u7684\u5168\u8fc7\u7a0b<\/p>\n<p><iframe id=\"embed_dom\" name=\"embed_dom\" frameborder=\"0\" style=\"display:block;width:720px; height:800px;\" src=\"https:\/\/www.processon.com\/embed\/5e8d702c0791292c97b2b1e7\"><\/iframe><\/p>\n<pre><code class=\"language-java\">public void startActivityForResult(@RequiresPermission Intent intent, int requestCode,\n        @Nullable Bundle options) {\n    if (mParent == null) {\n        options = transferSpringboardActivityOptions(options);\n        Instrumentation.ActivityResult ar =\n            mInstrumentation.execStartActivity(\n                this, mMainThread.getApplicationThread(), mToken, this,\n                intent, requestCode, options);\n        if (ar != null) {\n            mMainThread.sendActivityResult(\n                mToken, mEmbeddedID, requestCode, ar.getResultCode(),\n                ar.getResultData());\n        }\n        if (requestCode &gt;= 0) {\n            \/\/ If this start is requesting a result, we can avoid making\n            \/\/ the activity visible until the result is received.  Setting\n            \/\/ this code during onCreate(Bundle savedInstanceState) or onResume() will keep the\n            \/\/ activity hidden during this time, to avoid flickering.\n            \/\/ This can only be done when a result is requested because\n            \/\/ that guarantees we will get information back when the\n            \/\/ activity is finished, no matter what happens to it.\n            mStartedActivity = true;\n        }\n\n        cancelInputsAndStartExitTransition(options);\n        \/\/ TODO Consider clearing\/flushing other event sources and events for child windows.\n    } else {\n        if (options != null) {\n            mParent.startActivityFromChild(this, intent, requestCode, options);\n        } else {\n            \/\/ Note we want to go through this method for compatibility with\n            \/\/ existing applications that may have overridden it.\n            mParent.startActivityFromChild(this, intent, requestCode);\n        }\n    }\n}<\/code><\/pre>\n<pre><code class=\"language-java\">Instrumentation.ActivityResult ar =\n    mInstrumentation.execStartActivity(\n        this, mMainThread.getApplicationThread(), mToken, who,\n        intent, requestCode, options);\nif (ar != null) {\n    mMainThread.sendActivityResult(\n        mToken, who, requestCode,\n        ar.getResultCode(), ar.getResultData());\n}<\/code><\/pre>\n<ul>\n<li>\n<p><code>execStartActivity<\/code>\u53ea\u662f\u5bf9\u4e00\u4e9b\u53c2\u6570\u7684\u5408\u6cd5\u6027\u6821\u9a8c\uff0c\u5982\u679c\u4e0d\u5408\u6cd5\uff0c\u90a3\u5c31\u4f1a\u76f4\u63a5\u629b\u51fa\u5f02\u5e38\uff0c\u6bd4\u5982\u4e4b\u524d\u7684<code>have you declared this activity in your AndroidManifest.xml<\/code><\/p>\n<\/li>\n<li>\n<p><code>sendActivityResult<\/code>\u624d\u662f\u771f\u6b63\u7684\u8df3\u8f6c\u52a8\u4f5c\u6267\u884c\u8005<\/p>\n<\/li>\n<\/ul>\n<h3>execStartActivity<\/h3>\n<p>\u5148\u8fdb\u5165<code>Instrumentation.ActivityResult ar = mInstrumentation.execStartActivity<\/code>\u770b\u770b\uff0c\u65e2\u7136\u662f\u5408\u6cd5\u6027\u6821\u9a8c\uff0c\u4e14\u770b\u5b83\u662f\u5982\u4f55\u6821\u9a8c\u7684\u3002<\/p>\n<p>\u8fd9\u662f<code>Instrumentation.java<\/code>\u7684<code>execStartActivity<\/code>\u65b9\u6cd5<\/p>\n<pre><code class=\"language-java\">try {\n    intent.migrateExtraStreamToClipData();\n    intent.prepareToLeaveProcess(who);\n    int result = ActivityTaskManager.getService()\n        .startActivity(whoThread, who.getBasePackageName(), intent,\n                intent.resolveTypeIfNeeded(who.getContentResolver()),\n                token, target != null ? target.mEmbeddedID : null,\n                requestCode, 0, null, options);\n    checkStartActivityResult(result, intent);\n} catch (RemoteException e) {\n    throw new RuntimeException(&quot;Failure from system&quot;, e);\n}<\/code><\/pre>\n<p>\u7ed3\u8bba\uff1a\u5b83\u662f\u901a\u8fc7AMS\u53bb\u6821\u9a8c\u7684\uff0c<code>AMS startActivity<\/code>\u4f1a\u8fd4\u56de\u4e00\u4e2aint\u6570\u503c\uff0c\u968f\u540e<code>checkStartActivityResult<\/code>\u65b9\u6cd5\u4f1a\u6839\u636e\u8fd9\u4e2aint\u503c\uff0c\u629b\u51fa\u54cd\u5e94\u7684\u5f02\u5e38\uff0c\u6216\u8005\u4ec0\u4e48\u90fd\u4e0d\u505a<\/p>\n<pre><code class=\"language-java\">public static void checkStartActivityResult(int res, Object intent) {\n    if (!ActivityManager.isStartResultFatalError(res)) {\n        return;\n    }\n\n    switch (res) {\n        case ActivityManager.START_INTENT_NOT_RESOLVED:\n        case ActivityManager.START_CLASS_NOT_FOUND:\n            if (intent instanceof Intent &amp;&amp; ((Intent)intent).getComponent() != null)\n                throw new ActivityNotFoundException(\n                        &quot;Unable to find explicit activity class &quot;\n                        + ((Intent)intent).getComponent().toShortString()\n                        + &quot;; have you declared this activity in your AndroidManifest.xml?&quot;);\n            throw new ActivityNotFoundException(\n                    &quot;No Activity found to handle &quot; + intent);\n        case ActivityManager.START_PERMISSION_DENIED:\n            throw new SecurityException(&quot;Not allowed to start activity &quot;\n                    + intent);\n        case ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT:\n            throw new AndroidRuntimeException(\n                    &quot;FORWARD_RESULT_FLAG used while also requesting a result&quot;);\n        case ActivityManager.START_NOT_ACTIVITY:\n            throw new IllegalArgumentException(\n                    &quot;PendingIntent is not an activity&quot;);\n        case ActivityManager.START_NOT_VOICE_COMPATIBLE:\n            throw new SecurityException(\n                    &quot;Starting under voice control not allowed for: &quot; + intent);\n        case ActivityManager.START_VOICE_NOT_ACTIVE_SESSION:\n            throw new IllegalStateException(\n                    &quot;Session calling startVoiceActivity does not match active session&quot;);\n        case ActivityManager.START_VOICE_HIDDEN_SESSION:\n            throw new IllegalStateException(\n                    &quot;Cannot start voice activity on a hidden session&quot;);\n        case ActivityManager.START_ASSISTANT_NOT_ACTIVE_SESSION:\n            throw new IllegalStateException(\n                    &quot;Session calling startAssistantActivity does not match active session&quot;);\n        case ActivityManager.START_ASSISTANT_HIDDEN_SESSION:\n            throw new IllegalStateException(\n                    &quot;Cannot start assistant activity on a hidden session&quot;);\n        case ActivityManager.START_CANCELED:\n            throw new AndroidRuntimeException(&quot;Activity could not be started for &quot;\n                    + intent);\n        default:\n            throw new AndroidRuntimeException(&quot;Unknown error code &quot;\n                    + res + &quot; when starting &quot; + intent);\n    }\n}<\/code><\/pre>\n<h3>sendActivityResult<\/h3>\n<p>\u518d\u8fdb\u5165\u7b2c\u4e8c\u53e5<code>mMainThread.sendActivityResult<\/code>\u770b\u771f\u6b63\u7684\u8df3\u8f6c\u52a8\u4f5c\u662f\u5982\u4f55\u6267\u884c\u7684\uff1a<\/p>\n<p>ps:\u8fd9\u91cc\u5176\u5b9e\u6709\u4e2a\u8bc0\u7a8d\uff0c\u65e2\u7136\u6211\u4eec\u7684\u7ec8\u6781\u76ee\u6807\u662f\u8981\u9a97\u8fc7\u7cfb\u7edf\u7684Activity Intent\u68c0\u6d4b\uff0c\u90a3\u4e48\u8ddf\u7740Intent\u8fd9\u4e2a\u53d8\u91cf\uff0c\u5c31\u4e0d\u4f1a\u504f\u79bb\u65b9\u5411<\/p>\n<pre><code class=\"language-java\">public final void sendActivityResult(\n        IBinder token, String id, int requestCode,\n        int resultCode, Intent data) {\n    if (DEBUG_RESULTS) Slog.v(TAG, &quot;sendActivityResult: id=&quot; + id\n            + &quot; req=&quot; + requestCode + &quot; res=&quot; + resultCode + &quot; data=&quot; + data);\n    ArrayList&lt;ResultInfo&gt; list = new ArrayList&lt;ResultInfo&gt;();\n    list.add(new ResultInfo(id, requestCode, resultCode, data));  \/\/\u5c06Intent\u5bf9\u8c61\u8fdb\u884c\u4e86\u5c01\u88c5\uff0c\u6700\u540e\u5f62\u6210\u4e86\u4e00\u4e2aClientTransaction\n    final ClientTransaction clientTransaction = ClientTransaction.obtain(mAppThread, token);\n    clientTransaction.addCallback(ActivityResultItem.obtain(list));\n    try {\n        mAppThread.scheduleTransaction(clientTransaction);  \/\/\u6700\u540e\uff0c\u7531AppThread\u6765\u6267\u884c\n    } catch (RemoteException e) {\n        \/\/ Local scheduling\n    }\n}<\/code><\/pre>\n<p>\u65e2\u7136intent\u88ab\u5c01\u88c5\u5230\u4e86<code>ClientTransaction<\/code>\uff0c\u4ea4\u7ed9\u4e86<code>mAppThread<\/code>\uff0c\u90a3\u4e48\u7ee7\u7eed\uff1a<\/p>\n<pre><code class=\"language-java\">@Override\npublic void scheduleTransaction(ClientTransaction transaction) throws RemoteException {\n    ActivityThread.this.scheduleTransaction(transaction);\n}<\/code><\/pre>\n<p>\u524d\u65b9\u6709\u5751\uff0c\u8bf7\u6ce8\u610f\uff1aAndroid Studio\u91cc\u5e76\u4e0d\u80fd\u76f4\u63a5\u8df3\u8f6c\uff0c\u6240\u4ee5\u8981\u624b\u52a8\uff0c\u627e\u5230\u7236\u7c7b\u4e2d\u7684<code>scheduleTransaction<\/code>\u65b9\u6cd5\uff0c\u8fd9\u4e2a<code>ClientTransactionHandler<\/code>\u662f<code>ActivityThread<\/code>\u7684\u7236\u7c7b<\/p>\n<pre><code class=\"language-java\">\/**\n * Defines operations that a {@link android.app.servertransaction.ClientTransaction} or its items\n * can perform on client.\n * @hide\n *\/\npublic abstract class ClientTransactionHandler {\n\n    \/\/ Schedule phase related logic and handlers.\n\n    \/** Prepare and schedule transaction for execution. *\/\n    void scheduleTransaction(ClientTransaction transaction) {\n        transaction.preExecute(this);\n        sendMessage(ActivityThread.H.EXECUTE_TRANSACTION, transaction);\n    }\n\n    ...<\/code><\/pre>\n<p>\u8c03\u7528<code>sendMessage(int, Object)<\/code>\uff0c\u5728<code>ActivityThread<\/code>\u4e2d\u627e\u5230\u8fd9\u4e2a\u65b9\u6cd5\u7684\u5b9e\u73b0\uff1a<\/p>\n<pre><code class=\"language-java\">void sendMessage(int what, Object obj) {\n    sendMessage(what, obj, 0, 0, false);\n}<\/code><\/pre>\n<p>\u627e\u5b83\u7684\u6700\u7ec8\u5b9e\u73b0\uff1a<\/p>\n<pre><code class=\"language-java\">private void sendMessage(int what, Object obj, int arg1, int arg2, boolean async) {\n    if (DEBUG_MESSAGES) {\n        Slog.v(TAG,\n                &quot;SCHEDULE &quot; + what + &quot; &quot; + mH.codeToString(what) + &quot;: &quot; + arg1 + &quot; \/ &quot; + obj);\n    }\n    Message msg = Message.obtain();\n    msg.what = what;\n    msg.obj = obj;\n    msg.arg1 = arg1;\n    msg.arg2 = arg2;\n    if (async) {\n        msg.setAsynchronous(true);\n    }\n    mH.sendMessage(msg);\n}<\/code><\/pre>\n<p>\u627e\u5230\u53e6\u4e00\u4e2a\u5173\u952e\u70b9\uff1a<code>mH<\/code>\uff0cH\u7c7b\u7684\u5b9a\u4e49\uff1a<\/p>\n<pre><code class=\"language-java\">final H mH = new H();\nclass H extends Handler {\n    ...\n    public static final int EXECUTE_TRANSACTION = 159;\n\n    String codeToString(int code) {\n        if (DEBUG_MESSAGES) {\n            switch (code) {\n                case EXECUTE_TRANSACTION: return &quot;EXECUTE_TRANSACTION&quot;;\n                case RELAUNCH_ACTIVITY: return &quot;RELAUNCH_ACTIVITY&quot;;\n            }\n        }\n        return Integer.toString(code);\n    }\n    public void handleMessage(Message msg) {\n        if (DEBUG_MESSAGES) Slog.v(TAG, &quot;&gt;&gt;&gt; handling: &quot; + codeToString(msg.what));\n        switch (msg.what) {\n            case EXECUTE_TRANSACTION:\n                final ClientTransaction transaction = (ClientTransaction) msg.obj;\n                mTransactionExecutor.execute(transaction);\n                if (isSystem()) {\n                    \/\/ Client transactions inside system process are recycled on the client side\n                    \/\/ instead of ClientLifecycleManager to avoid being cleared before this\n                    \/\/ message is handled.\n                    transaction.recycle();\n                }\n                \/\/ TODO(lifecycler): Recycle locally scheduled transactions.\n                break;\n                ...\n        }\n        Object obj = msg.obj;\n        if (obj instanceof SomeArgs) {\n            ((SomeArgs) obj).recycle();\n        }\n        if (DEBUG_MESSAGES) Slog.v(TAG, &quot;&lt;&lt;&lt; done: &quot; + codeToString(msg.what));\n    }\n}<\/code><\/pre>\n<p>\u5f88\u660e\u663e\uff0c\u5b83\u5c31\u662f\u4e00\u4e2aHandler\u7684\u666e\u901a\u5b50\u7c7b\uff0c\u5b9a\u4e49\u4e86\u4e3b\u7ebf\u7a0b<code>ActivityThread<\/code>\u4e2d\u53ef\u80fd\u53d1\u751f\u7684\u5404\u79cd\u4e8b\u4ef6\u3002<\/p>\n<p>PS: \u8fd9\u91cc\uff0c\u7559\u4e0b<code>case EXECUTE_TRANSACTION:<\/code>\u5206\u652f\uff0c\u662f\u56e0\u4e3a\uff0c\u4e4b\u524d<code>ClientTransactionHandler<\/code>\u62bd\u8c61\u7c7b\u91cc\u9762<code>sendMessage(ActivityThread.H.EXECUTE_TRANSACTION, transaction);<\/code>\uff0c\u5c31\u662f\u7528\u7684\u8fd9\u4e2a<code>EXECUTE_TRANSACTION<\/code>\u5e38\u91cf\u3002<\/p>\n<p>\u7ec8\u4e8e\u627e\u5230\u4e86<code>startActivity<\/code>\u7684\u6700\u7ec8\u6267\u884c\u4ee3\u7801\uff01<\/p>\n<pre><code class=\"language-java\">final ClientTransaction transaction = (ClientTransaction) msg.obj;\nmTransactionExecutor.execute(transaction);<\/code><\/pre>\n<p>Ok\uff0c\u5c31\u5230\u8fd9\u91cc\u4e86(\u4e8b\u5b9e\u4e0a\uff0c\u672c\u6765\u8fd8\u60f3\u5f80\u4e0b\u8ffd\u67e5\uff0cIntent\u88ab\u5c01\u88c5\u5230<code>ClientTransaction<\/code>\u4e4b\u540e\uff0c\u53c8\u88ab\u5f97\u5230\u4e86\u4ec0\u4e48\u6837\u7684\u5904\u7406\uff0c\u6700\u540e\u53d1\u73b0\u5c45\u7136\u67e5\u5230\u4e86\u4e00\u4e2a\u6e90\u7801\u4e2d\u90fd\u4e0d\u5b58\u5728\u7684\u7c7b\uff0c\u6211\u8868\u793a\u770b\u4e0d\u61c2\u4e86\uff0c\u5c31\u5230\u8fd9\u91cc\u5427\uff0c\u4e0d\u5f71\u54cd\u6211\u4eechook)<\/p>\n<h2>hook\u6838\u5fc3\u4ee3\u7801<\/h2>\n<p>\u8fd8\u8bb0\u5f97\u6211\u4eec\u7684\u6574\u4f53\u601d\u8def\u4e48\uff1f<\/p>\n<ul>\n<li>\n<ol>\n<li><strong>\u5728<code>AMS<\/code>\u7684<code>hook<\/code>\u51fd\u6570\u4e2d\uff0c\u5c06\u771f\u5b9e\u7684<code>Intent<\/code>\u4e2d\u7684\u4fe1\u606f\uff0c\u66ff\u6362\u6210<code>manifest<\/code>\u4e2d\u5df2\u6709\u7684Activity\u4fe1\u606f\uff0c\u9a97\u8fc7\u7cfb\u7edf\u7684\u68c0\u6d4b\u673a\u5236<\/strong><\/li>\n<\/ol>\n<\/li>\n<li>\n<ol start=\"2\">\n<li><strong>\u867d\u7136\u9a97\u8fc7\u4e86\u7cfb\u7edf\u7684\u68c0\u6d4b\u673a\u5236\uff0c\u4f46\u662f\u8fd9\u4e48\u4e00\u6765\uff0c\u6bcf\u4e00\u6b21\u7684\u8df3\u8f6c\uff0c\u90fd\u4f1a\u8df3\u5230&quot;\u5047&quot;\u7684Activity\uff0c\u8fd9\u80af\u5b9a\u4e0d\u662f\u6211\u4eec\u60f3\u8981\u7684\u6548\u679c\uff0c\u90a3\u4e48\u5c31\u5fc5\u987b\uff0c\u5728\u771f\u6b63\u7684\u8df3\u8f6c\u65f6\u673a\u4e4b\u524d\uff0c\u5c06\u771f\u5b9e\u7684Activity\u4fe1\u606f\u8fd8\u539f\u56de\u53bb\uff0c\u8df3\u5230\u539f\u672c\u8be5\u53bb\u7684Activity<\/strong><\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<p>\u8bf4\u901a\u4fd7\u4e00\u70b9\u5c31\u662f\uff1a<br \/>\n\uff081\uff09\u4f2a\u9020\u4e00\u4e2a<code>Intent<\/code>\uff0c\u9a97\u8fc7<code>Activity Manifest<\/code>\u68c0\u6d4b<br \/>\n\uff082\uff09\u771f\u6b63\u8981\u8df3\u8f6c\u4e4b\u524d\uff0c\u628a\u539f\u59cb\u7684<code>Intent<\/code>\u8fd8\u539f\u56de\u53bb<\/p>\n<p>\u5f00\u59cb\u64b8\u4ee3\u7801\uff0c\u5927\u91cf\u53cd\u5c04\u4ee3\u7801\u5373\u5c06\u5230\u6765\uff0c\u6ce8\u91ca\u5e94\u8be5\u5f88\u8be6\u5c3d\u4e86\uff0c\u7279\u522b\u6ce8\u610f\uff1a\u770b\u53cd\u5c04\u4ee3\u7801\u8981\u5bf9\u7167\u6e90\u4ee3\u7801\u6765\u770b\uff0c\u4e0d\u7136\u5f88\u5bb9\u6613\u8d70\u795e\uff1a<\/p>\n<h3>\u4f2a\u9020intent\uff0c\u9a97\u8fc7Activity Manifest\u68c0\u6d4b<\/h3>\n<p>\u8fd9\u91cc\uff0c\u8bf7\u5bf9\u7167\uff1a<code>ActivityManager.java<\/code>\u6216<code>ActivityTaskManager.java<\/code><\/p>\n<p>SDK 28 ~ Android 9.0: ActivityManager.java<\/p>\n<pre><code class=\"language-java\">private static final Singleton&lt;IActivityManager&gt; IActivityManagerSingleton =\n        new Singleton&lt;IActivityManager&gt;() {\n            @Override\n            protected IActivityManager create() {\n                final IBinder b = ServiceManager.getService(Context.ACTIVITY_SERVICE);\n                final IActivityManager am = IActivityManager.Stub.asInterface(b);\n                return am;\n            }\n        };\n\n\/** @hide *\/\npublic static IActivityManager getService() {\n    return IActivityManagerSingleton.get();\n}<\/code><\/pre>\n<p>SDK 29 ~ Android 10.0: ActivityTaskManager.java<\/p>\n<pre><code class=\"language-java\">private static final Singleton&lt;IActivityTaskManager&gt; IActivityTaskManagerSingleton =\n        new Singleton&lt;IActivityTaskManager&gt;() {\n            @Override\n            protected IActivityTaskManager create() {\n                final IBinder b = ServiceManager.getService(Context.ACTIVITY_TASK_SERVICE);\n                return IActivityTaskManager.Stub.asInterface(b);\n            }\n        };\n\n\/** @hide *\/\npublic static IActivityTaskManager getService() {\n    return IActivityTaskManagerSingleton.get();\n}<\/code><\/pre>\n<p>hook\u6838\u5fc3\u4ee3\u7801\u5982\u4e0b<\/p>\n<pre><code class=\"language-java\">\/**\n * \u8fd9\u91cc\u5bf9AMS\u8fdb\u884chook\n * ActivityManager(ActivityManagerNative)\u91cc\u7684IActivityManager\u662f\u4e00\u4e2a\u5355\u4f8b\uff0c\u7528\u6211\u4eec\u7684\u4ee3\u7406\u5bf9\u8c61\u66ff\u6362\u5b83!\n *\n * @param context\n *\/\nprivate static void hookAMS(Context context) {\n    try {\n        final Class&lt;?&gt; ActivityManagerClz;\n        final String getServiceMethodStr;\n        final String IActivityManagerSingletonFieldStr;\n        if (ifSdkOverIncluding29()) {\/\/29\u7684ams\u83b7\u53d6\u65b9\u5f0f\u662f\u901a\u8fc7ActivityTaskManager.getService()\n            ActivityManagerClz = Class.forName(&quot;android.app.ActivityTaskManager&quot;);\n            getServiceMethodStr = &quot;getService&quot;;\n            IActivityManagerSingletonFieldStr = &quot;IActivityTaskManagerSingleton&quot;;\n        } else if (ifSdkOverIncluding26()) {\/\/26\uff0c27\uff0c28\u7684ams\u83b7\u53d6\u65b9\u5f0f\u662f\u901a\u8fc7ActivityManager.getService()\n            ActivityManagerClz = Class.forName(&quot;android.app.ActivityManager&quot;);\n            getServiceMethodStr = &quot;getService&quot;;\n            IActivityManagerSingletonFieldStr = &quot;IActivityManagerSingleton&quot;;\n        } else {\/\/25\u5f80\u4e0b\uff0c\u662fActivityManagerNative.getDefault()\n            ActivityManagerClz = Class.forName(&quot;android.app.ActivityManagerNative&quot;);\n            getServiceMethodStr = &quot;getDefault&quot;;\n            IActivityManagerSingletonFieldStr = &quot;gDefault&quot;;\n        }\n\n        \/\/\u8fd9\u4e2a\u5c31\u662fActivityManager\u5b9e\u4f8b\n        Object ActivityManagerObj = ReflectUtil.invokeStaticMethod(ActivityManagerClz, getServiceMethodStr);\n        \/\/\u8fd9\u4e2a\u5c31\u662f\u8fd9\u4e2a\u5c31\u662fActivityManager\u5b9e\u4f8b\u4e2d\u7684IActivityManager\u5355\u4f8b\u5bf9\u8c61\n        Object IActivityManagerSingleton = ReflectUtil.staticFieldValue(ActivityManagerClz,\n                IActivityManagerSingletonFieldStr);\n\n        \/\/ 2.\u73b0\u5728\u521b\u5efa\u6211\u4eec\u7684IActivityManager\u5b9e\u4f8b\n        \/\/ \u7531\u4e8eIActivityManager\u662f\u4e00\u4e2a\u63a5\u53e3\uff0c\u90a3\u4e48\u5176\u5b9e\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Proxy\u7c7b\u6765\u8fdb\u884c\u4ee3\u7406\u5bf9\u8c61\u7684\u521b\u5efa\n        \/\/ \u7ed3\u679c\u88ab\u6446\u4e86\u4e00\u9053\uff0cIActivityManager\u8fd9\u73a9\u610f\u5c45\u7136\u8fd8\u662f\u4e2aAIDL\uff0c\u52a8\u6001\u751f\u6210\u7684\u7c7b\uff0c\u7f16\u8bd1\u5668\u8fd8\u4e0d\u8ba4\u8bc6\u8fd9\u4e2a\u7c7b\uff0c\u600e\u4e48\u529e\uff1f\u53cd\u5c04\u54af\n        Class&lt;?&gt; IActivityManagerClz;\n        if (ifSdkOverIncluding29()) {\n            IActivityManagerClz = Class.forName(&quot;android.app.IActivityTaskManager&quot;);\n        } else {\n            IActivityManagerClz = Class.forName(&quot;android.app.IActivityManager&quot;);\n        }\n\n        \/\/ \u6784\u5efa\u4ee3\u7406\u7c7b\u9700\u8981\u4e24\u4e2a\u4e1c\u897f\u7528\u4e8e\u521b\u5efa\u4f2a\u88c5\u7684Intent\n        String packageName = Util.getPMName(context);\n        String clz = Util.getHostClzName(context, packageName);\n        Object proxyIActivityManager =\n                Proxy.newProxyInstance(\n                        Thread.currentThread().getContextClassLoader(),\n                        new Class[]{IActivityManagerClz},\n                        new AMSProxyInvocation(ActivityManagerObj, packageName, clz));\n\n        \/\/3.\u62ff\u5230AMS\u5b9e\u4f8b\uff0c\u7136\u540e\u7528\u4ee3\u7406\u7684AMS\u6362\u6389\u771f\u6b63\u7684AMS\uff0c\u4ee3\u7406\u7684AMS\u5219\u662f\u7528 \u5047\u7684Intent\u9a97\u8fc7\u4e86 activity manifest\u68c0\u6d4b.\n        \/\/\u5077\u6881\u6362\u67f1\n        Field mInstanceField = ReflectUtil.findSingletonField(&quot;mInstance&quot;);\n        mInstanceField.set(IActivityManagerSingleton, proxyIActivityManager);\n\n    } catch (Exception e) {\n        e.printStackTrace();\n    }\n}\n\nprivate static final String ORI_INTENT_TAG = &quot;origin_intent&quot;;\n\n\/**\n * \u628aInvocationHandler\u7684\u5b9e\u73b0\u7c7b\u63d0\u53d6\u51fa\u6765\uff0c\u56e0\u4e3a\u8fd9\u91cc\u5305\u542b\u4e86\u6838\u5fc3\u6280\u672f\u903b\u8f91\uff0c\u6700\u597d\u72ec\u7acb\uff0c\u65b9\u4fbf\u7ef4\u62a4\n *\/\nprivate static class AMSProxyInvocation implements InvocationHandler {\n\n    Object amObj;\n    String packageName;\/\/\u8fd9\u4e24\u4e2aString\u662f\u7528\u6765\u6784\u5efaIntent\u7684ComponentName\u7684\n    String clz;\n\n    public AMSProxyInvocation(Object amObj, String packageName, String clz) {\n        this.amObj = amObj;\n        this.packageName = packageName;\n        this.clz = clz;\n    }\n\n    @Override\n    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {\n        Log.e(&quot;GlobalActivityHook&quot;, &quot;method.getName() = &quot; + method.getName());\n        \/\/proxy\u662f\u521b\u5efa\u51fa\u6765\u7684\u4ee3\u7406\u7c7b\uff0cmethod\u662f\u63a5\u53e3\u4e2d\u7684\u65b9\u6cd5\uff0cargs\u662f\u63a5\u53e3\u6267\u884c\u65f6\u7684\u5b9e\u53c2\n        if (method.getName().equals(&quot;startActivity&quot;)) {\n            Log.d(&quot;GlobalActivityHook&quot;, &quot;\u5168\u5c40hook \u5230\u4e86 startActivity&quot;);\n\n            Intent currentRealIntent = null;\/\/\u4fa6\u6d4b\u5230startActivity\u52a8\u4f5c\u4e4b\u540e\uff0c\u628aintent\u5b58\u5230\u8fd9\u91cc\n            int intentIndex = -1;\n            \/\/\u904d\u5386\u53c2\u6570\uff0c\u627e\u5230Intent\n            for (int i = 0; i &lt; args.length; i++) {\n                Object temp = args[i];\n                if (temp instanceof Intent) {\n                    currentRealIntent = (Intent) temp;\/\/\u8fd9\u662f\u539f\u59cb\u7684Intent,\u5b58\u8d77\u6765,\u540e\u9762\u7528\u5f97\u7740\n                    intentIndex = i;\n                    break;\n                }\n            }\n\n            \/\/\u6784\u9020\u81ea\u5df1\u7684Intent\uff0c\u8fd9\u662f\u4e3a\u4e86\u7ed5\u8fc7manifest\u68c0\u6d4b\n            Intent proxyIntent = new Intent();\n            ComponentName componentName = new ComponentName(packageName, clz);\/\/\u7528ComponentName\u91cd\u65b0\u521b\u5efa\u4e00\u4e2aintent\n            proxyIntent.setComponent(componentName);\n            proxyIntent.putExtra(ORI_INTENT_TAG, currentRealIntent);\/\/\u5c06\u771f\u6b63\u7684proxy\u4f5c\u4e3a\u53c2\u6570\uff0c\u5b58\u653e\u5230extras\u4e2d\uff0c\u540e\u9762\u4f1a\u62ff\u51fa\u6765\u8fd8\u539f\n\n            args[intentIndex] = proxyIntent;\/\/\u66ff\u6362\u6389intent\n            \/\/\u54df\uff0c\u5df2\u7ecf\u6210\u529f\u7ed5\u8fc7\u4e86manifest\u6e05\u5355\u68c0\u6d4b. \u90a3\u4e48\uff0c\u6211\u4e0d\u80fd\u8001\u8ba9\u5b83\u8df3\u5230 \u4f2a\u88c5\u7684Activity\u554a\uff0c\u6211\u8981\u7ed9\u4ed6\u8fd8\u539f\u56de\u53bb\uff0c\u90a3\u4e48\uff0c\u53bb\u54ea\u91cc\u8fd8\u539f\u5462\uff1f\n            \/\/\u7ee7\u7eed\u770b\u6e90\u7801\u3002\n\n        }\n        return method.invoke(amObj, args);\n    }\n}\n\n\/\/\u8bbe\u5907\u7cfb\u7edf\u7248\u672c\u662f\u4e0d\u662f\u5927\u4e8e\u7b49\u4e8e29(Android 10)\nprivate static boolean ifSdkOverIncluding29() {\n    int SDK_INT = Build.VERSION.SDK_INT;\n    return SDK_INT &gt;= 29;\n}\n\n\/\/\u8bbe\u5907\u7cfb\u7edf\u7248\u672c\u662f\u4e0d\u662f\u5927\u4e8e\u7b49\u4e8e26(Android 8.0 Oreo)\nprivate static boolean ifSdkOverIncluding26() {\n    int SDK_INT = Build.VERSION.SDK_INT;\n    return SDK_INT &gt;= 26;\n}\n\n\/\/\u8bbe\u5907\u7cfb\u7edf\u7248\u672c\u662f\u4e0d\u662f\u5927\u4e8e\u7b49\u4e8e28(Android 9.0 Pie)\nprivate static boolean ifSdkOverIncluding28() {\n    int SDK_INT = Build.VERSION.SDK_INT;\n    return SDK_INT &gt;= 28;\n}<\/code><\/pre>\n<h3>\u771f\u6b63\u8981\u8df3\u8f6c\u4e4b\u524d\uff0c\u628a\u539f\u59cb\u7684Intent\u8fd8\u539f\u56de\u53bb<\/h3>\n<p>PS: \u8fd9\u91cc<code>hook mH<\/code>\u7684\u624b\u6bb5\uff0c\u5e76\u4e0d\u662f\u9488\u5bf9<code>mH<\/code>\u672c\u8eab\u505a\u4ee3\u7406\uff0c\u800c\u662f\u5bf9<code>mH<\/code>\u7684<code>mCallback<\/code>\u6210\u5458\u3002\u56e0\u4e3a\uff1a<\/p>\n<pre><code class=\"language-java\">public class Handler {\n    ...\n    public void dispatchMessage(Message msg) {\n        if (msg.callback != null) {\n            handleCallback(msg);\n        } else {\n            if (mCallback != null) {\n                if (mCallback.handleMessage(msg)) {\n                    return;\n                }\n            }\n            handleMessage(msg);\n        }\n    }\n}<\/code><\/pre>\n<p><code>handler<\/code>\u7684<code>dispatchMessage<\/code>\u903b\u8f91\uff0c\u662f\u5148\u6267\u884c<code>mCallback<\/code>\u7684<code>handleMessage<\/code>\uff0c\u7136\u540e\u6839\u636e\u5b83\u7684\u8fd4\u56de\u503c\u51b3\u5b9a\u8981\u4e0d\u8981\u6267\u884chandler\u672c\u8eab\u7684<code>handlerMessage<\/code>\u51fd\u6570<br \/>\n\u6211\u4eec\u7684\u76ee\u7684\u662f\u8fd8\u539f<code>Intent<\/code>\uff0c\u5e76\u4e0d\u9700\u8981\u5bf9<code>ActivityThread<\/code>\u539f\u672c\u7684<code>mH<\/code>\u505a\u51fa\u903b\u8f91\u4fee\u6539\uff0c\u6240\u4ee5\uff0c<code>hook mCallback<\/code>\uff0c\u52a0\u5165\u8fd8\u539f<code>Intent<\/code>\u7684\u903b\u8f91\uff0c\u5373\u53ef<\/p>\n<p>\u672c\u6b21hook\uff0c\u5bf9\u7167\u7684\u6e90\u7801\u662f(\u6e90\u7801\u592a\u957f\uff0c\u76f4\u63a5\u622a\u53d6\u4e86ActivityThread\u91cc\u9762\u4e00\u4e9b\u5173\u952e\u7684\u4ee3\u7801):<\/p>\n<pre><code class=\"language-java\">final H mH = new H();\n\nclass H extends Handler {\n    ...\n    public static final int EXECUTE_TRANSACTION = 159;\n    ...\n\n    String codeToString(int code) {\n        if (DEBUG_MESSAGES) {\n            switch (code) {\n                ...\n                case EXECUTE_TRANSACTION: return &quot;EXECUTE_TRANSACTION&quot;;\n                ...\n            }\n        }\n        return Integer.toString(code);\n    }\n    public void handleMessage(Message msg) {\n        if (DEBUG_MESSAGES) Slog.v(TAG, &quot;&gt;&gt;&gt; handling: &quot; + codeToString(msg.what));\n        switch (msg.what) {\n            ...\n            case EXECUTE_TRANSACTION:\n                final ClientTransaction transaction = (ClientTransaction) msg.obj;\n                mTransactionExecutor.execute(transaction);\n                if (isSystem()) {\n                    \/\/ Client transactions inside system process are recycled on the client side\n                    \/\/ instead of ClientLifecycleManager to avoid being cleared before this\n                    \/\/ message is handled.\n                    transaction.recycle();\n                }\n                \/\/ TODO(lifecycler): Recycle locally scheduled transactions.\n                break;\n            ...\n        }\n        Object obj = msg.obj;\n        if (obj instanceof SomeArgs) {\n            ((SomeArgs) obj).recycle();\n        }\n        if (DEBUG_MESSAGES) Slog.v(TAG, &quot;&lt;&lt;&lt; done: &quot; + codeToString(msg.what));\n    }\n}<\/code><\/pre>\n<p>\u4e0b\u9762\u662f<code>Hook Mh<\/code>\u7684\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-java\">\/\/\u4e0b\u9762\u8fdb\u884cActivityThread\u7684mH\u7684hook\n\/\/\u5c06\u771f\u5b9e\u7684Intent\u8fd8\u539f\u56de\u53bb\uff0c\u8ba9\u7cfb\u7edf\u53ef\u4ee5\u8df3\u5230\u539f\u672c\u8be5\u8df3\u7684\u5730\u65b9\nprivate static void hookActivityThread_mH(Context context) {\n\n    try {\n        Class&lt;?&gt; activityThreadClazz = Class.forName(&quot;android.app.ActivityThread&quot;);\n\n        Object sCurrentActivityThread = ReflectUtil.staticFieldValue(activityThreadClazz, &quot;sCurrentActivityThread&quot;);\n\n        Handler mH = (Handler) ReflectUtil.fieldValue(sCurrentActivityThread, &quot;mH&quot;);\n\n        Field mCallBackField = ReflectUtil.findField(Handler.class, &quot;mCallback&quot;);\n\n        Handler.Callback callback;\n        if (ifSdkOverIncluding28()) {\n            \/\/2.\u73b0\u5728\uff0c\u9020\u4e00\u4e2a\u4ee3\u7406\n            \/\/ \u4ed6\u5c31\u662f\u4e00\u4e2a\u7b80\u5355\u7684Handler\u5b50\u7c7b\n            callback = new ProxyHandlerCallback();\/\/\u4e0d\u9700\u8981\u91cd\u5199\u5168\u90e8mH\uff0c\u53ea\u9700\u8981\u5bf9mH\u7684callback\u8fdb\u884c\u91cd\u65b0\u5b9a\u4e49\n        } else {\n            callback = new ActivityThreadHandlerCallBack(context);\n        }\n\n        \/\/3.\u66ff\u6362\n        \/\/\u5c06Handler\u7684mCallback\u6210\u5458\uff0c\u66ff\u6362\u6210\u521b\u5efa\u51fa\u6765\u7684\u4ee3\u7406HandlerCallback\n        mCallBackField.set(mH, callback);\n\n    } catch (Exception e) {\n        e.printStackTrace();\n    }\n\n}\n\n\/**\n * \u6ce8\u610f\uff0c\u8fd9\u91cc\u6709\u4e2a\u5751\n * android.os.handler \u8fd9\u4e2a\u7c7b\u6709 3\u4e2a callback\uff0c\u6309\u7167\u4f18\u5148\u7ea7\uff0c\u4f9d\u6b21\u662f msg\u7684callback\uff0c\u81ea\u5df1\u6210\u5458\u53d8\u91cfmCallback\uff0c\u81ea\u5df1\u7684\u6210\u5458\u65b9\u6cd5 handleMessage()\n *\n * \u5176\u4e2d\uff0cmsg.callback\u4e00\u822c\u5f88\u5c11\u7528\uff0c\u4f46\u662f\u5b83\u662f\u6700\u4f18\u5148\u7684\uff0c\u5982\u679c\u6709\u4e00\u4e2aMessage.\u5b58\u5728callback\u975e\u7a7a\u6210\u5458,\u90a3\u4e48\u5b83\u662f\u5148\u6267\u884c\uff0c\u540e\u9762\u4e24\u4e2a\u5c31\u6ca1\u620f\u4e86\u3002\n * \u5982\u679c handler\u81ea\u5df1\u7684\u6210\u5458\u53d8\u91cfmCallback\uff0c\u975e\u7a7a\uff0c\u90a3\u4e48 handlerMessage()\u65b9\u6cd5\u5c31\u6ca1\u620f\u4e86\n * \u524d\u9762\u4e24\u4e2a\u90fd\u6267\u884c\uff0c\u90a3\u4e48handlerMessage\u624d\u4f1a\u6267\u884c\uff0c\n * \u8fd9\u4e2a\u53eb\u8d23\u4efb\u94fe\u6a21\u5f0f\uff1f\u6839\u636e\u5b9e\u9645\u6761\u4ef6\u51b3\u5b9a\u4ee3\u7801\u5206\u652f\u3002\n *\/\nprivate static class ProxyHandlerCallback implements Handler.Callback {\n\n    private int EXECUTE_TRANSACTION = 159;\/\/\u8fd9\u4e2a\u503c\uff0c\u662fandroid.app.ActivityThread\u7684\u5185\u90e8\u7c7bH \u4e2d\u5b9a\u4e49\u7684\u5e38\u91cfEXECUTE_TRANSACTION\n\n    @Override\n    public boolean handleMessage(Message msg) {\n        boolean result = false;\/\/\u8fd4\u56de\u503c\uff0c\u8bf7\u770bHandler\u7684\u6e90\u7801\uff0cdispatchMessage\u5c31\u4f1a\u61c2\u4e86\n        \/\/Handler\u7684dispatchMessage\u67093\u4e2acallback\u4f18\u5148\u7ea7\uff0c\u9996\u5148\u662fmsg\u81ea\u5e26\u7684callback\uff0c\u5176\u6b21\u662fHandler\u7684\u6210\u5458mCallback,\u6700\u540e\u624d\u662fHandler\u7c7b\u81ea\u8eab\u7684handlerMessage\u65b9\u6cd5,\n        \/\/\u5b83\u6210\u5458mCallback.handleMessage\u7684\u8fd4\u56de\u503c\u4e3atrue\uff0c\u5219\u4e0d\u4f1a\u7ee7\u7eed\u5f80\u4e0b\u6267\u884c Handler.handlerMessage\n        \/\/\u6211\u4eec\u8fd9\u91cc\u53ea\u662f\u8981hook\uff0c\u63d2\u5165\u903b\u8f91\uff0c\u6240\u4ee5\u5fc5\u987b\u8fd4\u56defalse\uff0c\u8ba9Handler\u539f\u672c\u7684handlerMessage\u80fd\u591f\u6267\u884c.\n        if (msg.what == EXECUTE_TRANSACTION) {\/\/\u8fd9\u662f\u8df3\u8f6c\u7684\u65f6\u5019,\u8981\u5bf9intent\u8fdb\u884c\u8fd8\u539f\n            try {\n                \/\/\u5148\u628a\u76f8\u5173@hide\u7684\u7c7b\u90fd\u5efa\u597d\n                Class&lt;?&gt; ClientTransactionClz = Class.forName(&quot;android.app.servertransaction.ClientTransaction&quot;);\n                Class&lt;?&gt; LaunchActivityItemClz = Class.forName(&quot;android.app.servertransaction.LaunchActivityItem&quot;);\n\n                Field mActivityCallbacksField = ClientTransactionClz.getDeclaredField(&quot;mActivityCallbacks&quot;);\/\/ClientTransaction\u7684\u6210\u5458\n                mActivityCallbacksField.setAccessible(true);\n                \/\/\u7c7b\u578b\u5224\u5b9a\uff0c\u597d\u4e60\u60ef\n                if (!ClientTransactionClz.isInstance(msg.obj)) return true;\n                Object mActivityCallbacksObj = mActivityCallbacksField.get(msg.obj);\/\/\u6839\u636e\u6e90\u7801\uff0c\u5728\u8fd9\u4e2a\u5206\u652f\u91cc\u9762,msg.obj\u5c31\u662f ClientTransaction\u7c7b\u578b,\u6240\u4ee5\uff0c\u76f4\u63a5\u7528\n                \/\/\u62ff\u5230\u4e86ClientTransaction\u7684List&lt;ClientTransactionItem&gt; mActivityCallbacks;\n                List list = (List) mActivityCallbacksObj;\n\n                if (list.size() == 0) return false;\n                Object LaunchActivityItemObj = list.get(0);\/\/\u6240\u4ee5\u8fd9\u91cc\u76f4\u63a5\u5c31\u62ff\u5230\u7b2c\u4e00\u4e2a\u5c31\u597d\u4e86\n\n                if (!LaunchActivityItemClz.isInstance(LaunchActivityItemObj)) return true;\n                \/\/\u8fd9\u91cc\u5fc5\u987b\u5224\u5b9a LaunchActivityItemClz\uff0c\n                \/\/ \u56e0\u4e3a \u6700\u521d\u7684ActivityResultItem\u4f20\u8fdb\u53bb\u4e4b\u540e\u90fd\u88ab\u8f6c\u5316\u6210\u4e86\u8fd9LaunchActivityItemClz\u7684\u5b9e\u4f8b\n\n                Field mIntentField = LaunchActivityItemClz.getDeclaredField(&quot;mIntent&quot;);\n                mIntentField.setAccessible(true);\n                Intent mIntent = (Intent) mIntentField.get(LaunchActivityItemObj);\n\n                Bundle extras = mIntent.getExtras();\n                if (extras != null) {\n                    Intent oriIntent = (Intent) extras.get(ORI_INTENT_TAG);\n                    \/\/\u90a3\u4e48\u73b0\u5728\u6709\u4e86\u6700\u539f\u59cb\u7684intent\uff0c\u5e94\u8be5\u600e\u4e48\u5904\u7406\u5462\uff1f\n                    Log.d(&quot;1&quot;, &quot;2&quot;);\n                    mIntentField.set(LaunchActivityItemObj, oriIntent);\n                }\n\n                return result;\n            } catch (Exception e) {\n                e.printStackTrace();\n            }\n        }\n        return result;\n    }\n}\n\npublic static class ActivityThreadHandlerCallBack implements Handler.Callback {\n\n    private final Context mContext;\n\n    public ActivityThreadHandlerCallBack(Context context) {\n        mContext = context;\n    }\n\n    @Override\n    public boolean handleMessage(Message msg) {\n        int LAUNCH_ACTIVITY = 0;\n        try {\n            Class&lt;?&gt; clazz = Class.forName(&quot;android.app.ActivityThread$H&quot;);\n            LAUNCH_ACTIVITY = (int) ReflectUtil.staticFieldValue(clazz, &quot;LAUNCH_ACTIVITY&quot;);\n        } catch (Exception e) {\n        }\n        if (msg.what == LAUNCH_ACTIVITY) {\n            handleLaunchActivity(mContext, msg);\n        }\n        return false;\n    }\n}\n\nprivate static void handleLaunchActivity(Context context, Message msg) {\n    try {\n        Object obj = msg.obj;\n\n        Intent proxyIntent = (Intent) ReflectUtil.fieldValue(obj, &quot;intent&quot;);\n        \/\/\u62ff\u5230\u4e4b\u524d\u771f\u5b9e\u8981\u88ab\u542f\u52a8\u7684Intent \u7136\u540e\u628aIntent\u6362\u6389\n        Intent originallyIntent = proxyIntent.getParcelableExtra(ORI_INTENT_TAG);\n        if (originallyIntent == null) {\n            return;\n        }\n        proxyIntent.setComponent(originallyIntent.getComponent());\n    } catch (Exception e) {\n        e.printStackTrace();\n    }\n}<\/code><\/pre>\n<p>PS:\u8fd9\u91cc\u6709\u4e2a\u5751\uff08\u8bf7\u770b\u4e0a\u9762<code>if (!LaunchActivityItemClz.isInstance(LaunchActivityItemObj)) return true;<\/code>\uff0c\u4e3a\u4ec0\u4e48\u8981\u52a0\u8fd9\u4e2a\u5224\u65ad\uff1f\u56e0\u4e3a\uff0c\u901a\u8fc7debug\uff0c\u53d1\u73b0\u4ece<code>mH<\/code>\u91cc\u9762\u7684<code>msg.what<\/code>\u5f97\u5230\u7684<code>ClientTransaction<\/code>\uff0c\u5b83\u6709\u8fd9\u4e48\u4e00\u4e2a\u6210\u5458<code>List&lt;ClientTransactionItem&gt; mActivityCallbacks;<\/code>\uff0c\u6ce8\u610f\u770b\uff0c\u4ecelist\u91cc\u9762\u62ff\u5230\u7684<code>ClientTransactionItem<\/code>\u7684\u5b9e\u9645\u7c7b\u578b\u662f\uff1a<code>LaunchActivityItem<\/code><br \/>\n\uff09<br \/>\n\u4e4b\u524d\u6211\u7d22\u5f15\u6e90\u7801\u7684\u65f6\u5019\uff0c\u8ffd\u67e5Intent\u7684\u53bb\u5411\uff0c\u53ea\u77e5\u9053\u5b83\u6700\u540e\u88ab\u5c01\u88c5\u6210\u4e86\u4e00\u4e2a<code>ClientTransaction<\/code><\/p>\n<pre><code class=\"language-java\">public final void sendActivityResult(\n        IBinder token, String id, int requestCode,\n        int resultCode, Intent data) {\n    if (DEBUG_RESULTS) Slog.v(TAG, &quot;sendActivityResult: id=&quot; + id\n            + &quot; req=&quot; + requestCode + &quot; res=&quot; + resultCode + &quot; data=&quot; + data);\n    ArrayList&lt;ResultInfo&gt; list = new ArrayList&lt;ResultInfo&gt;();\n    list.add(new ResultInfo(id, requestCode, resultCode, data));  \/\/\u5c06Intent\u5bf9\u8c61\u8fdb\u884c\u4e86\u5c01\u88c5\uff0c\u6700\u540e\u5f62\u6210\u4e86\u4e00\u4e2aClientTransaction\n    final ClientTransaction clientTransaction = ClientTransaction.obtain(mAppThread, token);\n    clientTransaction.addCallback(ActivityResultItem.obtain(list));  \/\/\u8fd9\u91cc\u62ff\u5230\u7684\u662fList&lt;ActivityResultItem&gt;\uff0c\u8fd9\u4e2alist\u88abaddCallback\n    try {\n        mAppThread.scheduleTransaction(clientTransaction);  \/\/\u6700\u540e\uff0c\u7531AppThread\u6765\u6267\u884c\n    } catch (RemoteException e) {\n        \/\/ Local scheduling\n    }\n}<\/code><\/pre>\n<pre><code class=\"language-java\">public void handleMessage(Message msg) {\n    ...\n    switch (msg.what) {\n        ...\n        case EXECUTE_TRANSACTION:\n            final ClientTransaction transaction = (ClientTransaction) msg.obj;  \/\/\u5b83\u7684mActivityCallbacks\u7684list&lt;?&gt;\uff0c?\u5c45\u7136\u53d8\u6210\u4e86LaunchActivityItem\uff0c\u585e\u8fdb\u53bb\u7684\u662fActivityResultItem\n            mTransactionExecutor.execute(transaction);\n            if (isSystem()) {\n                \/\/ Client transactions inside system process are recycled on the client side\n                \/\/ instead of ClientLifecycleManager to avoid being cleared before this\n                \/\/ message is handled.\n                transaction.recycle();\n            }\n            \/\/ TODO(lifecycler): Recycle locally scheduled transactions.\n            break;\n        ...\n    }\n    ...\n}<\/code><\/pre>\n<p>\u67e5\u770b<code>ClientTransaction<\/code>\u6e90\u7801\uff1a<\/p>\n<pre><code class=\"language-java\">public class ClientTransaction implements Parcelable, ObjectPoolItem {\n\n    \/** A list of individual callbacks to a client. *\/\n    private List&lt;ClientTransactionItem&gt; mActivityCallbacks;\n<\/code><\/pre>\n<p>\u53c2\u8003\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.androidos.net.cn\/android\/9.0.0_r8\/xref\/frameworks\/base\/core\/java\/android\/app\/servertransaction\/ClientTransaction.java\">https:\/\/www.androidos.net.cn\/android\/9.0.0_r8\/xref\/frameworks\/base\/core\/java\/android\/app\/servertransaction\/ClientTransaction.java<\/a><\/p>\n<p>\u4f46\u662f\uff0c\u6700\u540e\u4ece<code>mH<\/code>\u7684<code>witch case EXECUTE_TRANSACTION<\/code>\u5206\u652f\uff0c\u53bbdebug\uff08\u56e0\u4e3a\u65e0\u6cd5\u7ee7\u7eed\u5f80\u4e0b\u67e5\u6e90\u7801\uff09\u7684\u65f6\u5019\uff0c\u53d1\u73b0\u539f\u672c\u585e\u8fdb\u53bb\u7684<code>ActivityResultItem<\/code>\u7684<code>list<\/code>\uff0c\u5c45\u7136\u53d8\u6210\u4e86<code>LaunchActivityItem<\/code>\u7684<code>list<\/code>\uff0c\u67e5\u4e86\u534a\u5929\uff0c\u4e5f\u6ca1\u67e5\u5230\u662f\u5728\u6e90\u7801\u4f55\u5904\u53d1\u751f\u7684\u53d8\u5316<\/p>\n<p>\u800c<code>LaunchActivityItem<\/code>\u548c<code>ActivityResultItem<\/code>\u4ed6\u4eec\u4e24\u4e2a\u90fd\u662f<code>ClientTransaction<\/code>\u7684\u5b50\u7c7b<\/p>\n<pre><code class=\"language-java\">public class LaunchActivityItem extends ClientTransactionItem \npublic class ActivityResultItem extends ClientTransactionItem<\/code><\/pre>\n<p>\u4e0d\u8fc7\uff0c\u6700\u540e\u80fd\u591f\u786e\u5b9a\uff0c\u4ece<code>mH<\/code>\u7684<code>switch case EXECUTE_TRANSACTION<\/code>\u5206\u652f\u5f97\u5230\u7684<code>transaction<\/code>\uff0c\u5c31\u662f\u5305\u542b\u4e86Intent\u7684\u5305\u88c5\u5bf9\u8c61\uff0c\u6240\u4ee5\u53ea\u9700\u8981\u89e3\u6790\u8fd9\u4e2a\u5bf9\u8c61\uff0c\u5c31\u53ef\u4ee5\u62ff\u5230intent\uff0c\u8fdb\u884c\u8fd8\u539f<\/p>\n<p>OK\uff0c\u5927\u529f\u544a\u6210\uff0c\u5b89\u88c5\u597d Android 9.0 SDK 28\u7684\u6a21\u62df\u5668\uff0c\u542f\u52a8\u8d77\u6765\uff0c\u8fd0\u884c\u7a0b\u5e8f\uff0c\u770b\u770b\u80fd\u4e0d\u80fd\u65e0\u6e05\u5355\u8df3\u8f6c\uff1a<\/p>\n<pre><code>cn.appblog.activityhookdemo E\/AndroidRuntime: FATAL EXCEPTION: main\n    Process: cn.appblog.activityhookdemo, PID: 28253\n    java.lang.RuntimeException: Unable to start activity ComponentInfo{cn.appblog.activityhookdemo\/cn.appblog.activityhookdemo.methodA.Main2Activity}: java.lang.IllegalArgumentException: android.content.pm.PackageManager$NameNotFoundException: ComponentInfo{cn.appblog.activityhookdemo\/cn.appblog.activityhookdemo.methodA.Main2Activity}\n        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)\n        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)\n        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)\n        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)\n        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)\n        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)\n        at android.os.Handler.dispatchMessage(Handler.java:106)\n        at android.os.Looper.loop(Looper.java:193)\n        at android.app.ActivityThread.main(ActivityThread.java:6669)\n        at java.lang.reflect.Method.invoke(Native Method)\n        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)\n        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)\n     Caused by: java.lang.IllegalArgumentException: android.content.pm.PackageManager$NameNotFoundException: ComponentInfo{cn.appblog.activityhookdemo\/cn.appblog.activityhookdemo.methodA.Main2Activity}\n        at android.support.v4.app.NavUtils.getParentActivityName(NavUtils.java:222)\n        at android.support.v7.app.AppCompatDelegateImplV9.onCreate(AppCompatDelegateImplV9.java:155)\n        at android.support.v7.app.AppCompatDelegateImplV14.onCreate(AppCompatDelegateImplV14.java:61)\n        at android.support.v7.app.AppCompatActivity.onCreate(AppCompatActivity.java:72)\n        at cn.appblog.activityhookdemo.methodA.Main2Activity.onCreate(Main2Activity.java:14)\n        at android.app.Activity.performCreate(Activity.java:7136)\n        at android.app.Activity.performCreate(Activity.java:7127)\n        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)\n        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893)\n        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048) \n        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78) \n        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108) \n        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68) \n        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808) \n        at android.os.Handler.dispatchMessage(Handler.java:106) \n        at android.os.Looper.loop(Looper.java:193) \n        at android.app.ActivityThread.main(ActivityThread.java:6669) \n        at java.lang.reflect.Method.invoke(Native Method) \n        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) \n        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) \n     Caused by: android.content.pm.PackageManager$NameNotFoundException: ComponentInfo{cn.appblog.activityhookdemo\/cn.appblog.activityhookdemo.methodA.Main2Activity}\n        at android.app.ApplicationPackageManager.getActivityInfo(ApplicationPackageManager.java:435)\n        at android.support.v4.app.NavUtils.getParentActivityName(NavUtils.java:240)\n        at android.support.v4.app.NavUtils.getParentActivityName(NavUtils.java:219)\n        at android.support.v7.app.AppCompatDelegateImplV9.onCreate(AppCompatDelegateImplV9.java:155) \n        at android.support.v7.app.AppCompatDelegateImplV14.onCreate(AppCompatDelegateImplV14.java:61) \n        at android.support.v7.app.AppCompatActivity.onCreate(AppCompatActivity.java:72) \n        at cn.appblog.activityhookdemo.methodA.Main2Activity.onCreate(Main2Activity.java:14) \n        at android.app.Activity.performCreate(Activity.java:7136) \n        at android.app.Activity.performCreate(Activity.java:7127) \n        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271) \n        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893) \n        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048) \n        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78) \n        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108) \n        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68) \n        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808) \n        at android.os.Handler.dispatchMessage(Handler.java:106) \n        at android.os.Looper.loop(Looper.java:193) \n        at android.app.ActivityThread.main(ActivityThread.java:6669) \n        at java.lang.reflect.Method.invoke(Native Method) \n        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) \n        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) <\/code><\/pre>\n<p>\u63d0\u53d6\u5173\u952e\u4fe1\u606f\uff1a<\/p>\n<pre><code>Caused by: java.lang.IllegalArgumentException: android.content.pm.PackageManager$NameNotFoundException: ComponentInfo{cn.appblog.activityhookdemo\/cn.appblog.activityhookdemo.methodA.Main2Activity}\n        at android.support.v4.app.NavUtils.getParentActivityName(NavUtils.java:222)<\/code><\/pre>\n<p>\u5c45\u7136\u627e\u4e0d\u5230\u5305\uff1f\u95ee\u9898\u51fa\u5728\uff1a<code>NavUtils.getParentActivityName<\/code><\/p>\n<p>\u8fdb\u53bb<code>NavUtils.getParentActivityName()<\/code>\u53bb\u770b\u770b\uff1a<\/p>\n<pre><code class=\"language-java\">public static String getParentActivityName(@NonNull Activity sourceActivity) {\n    try {\n        return getParentActivityName(sourceActivity, sourceActivity.getComponentName());\n    } catch (NameNotFoundException e) {\n        \/\/ Component name of supplied activity does not exist...?\n        throw new IllegalArgumentException(e);\n    }\n}<\/code><\/pre>\n<p>\u770b\u6765\u5c31\u662f\u8fd9\u91cc\u62a5\u7684\u9519\uff0c\u7ee7\u7eed\uff1a<\/p>\n<pre><code class=\"language-java\">public static String getParentActivityName(@NonNull Context context,\n        @NonNull ComponentName componentName)\n        throws NameNotFoundException {\n    PackageManager pm = context.getPackageManager();\n    int flags = PackageManager.GET_META_DATA;\n    \/\/ Check for disabled components to handle cases where the\n    \/\/ ComponentName points to a disabled activity-alias.\n    if (Build.VERSION.SDK_INT &gt;= Build.VERSION_CODES.N) {\n        flags |= PackageManager.MATCH_DISABLED_COMPONENTS;\n    } else {\n        flags |= PackageManager.GET_DISABLED_COMPONENTS;\n    }\n    ActivityInfo info = pm.getActivityInfo(componentName, flags);\n    if (Build.VERSION.SDK_INT &gt;= 16) {\n        String result = info.parentActivityName;\n        if (result != null) {\n            return result;\n        }\n    }\n    if (info.metaData == null) {\n        return null;\n    }\n    String parentActivity = info.metaData.getString(PARENT_ACTIVITY);\n    if (parentActivity == null) {\n        return null;\n    }\n    if (parentActivity.charAt(0) == &#039;.&#039;) {\n        parentActivity = context.getPackageName() + parentActivity;\n    }\n    return parentActivity;\n}<\/code><\/pre>\n<p>\u627e\u5230\u53ef\u7591\u70b9\uff1a<\/p>\n<pre><code class=\"language-java\">ActivityInfo info = pm.getActivityInfo(componentName, flags);<\/code><\/pre>\n<p>\u53ef\u80fd\u5c31\u662f\u8fd9\u91cc\u629b\u51fa\u7684\u5f02\u5e38\uff0c\u7ee7\u7eed\uff1a<\/p>\n<p>PackageManager.java<\/p>\n<pre><code class=\"language-java\">public abstract ActivityInfo getActivityInfo(@NonNull ComponentName component,\n            @ComponentInfoFlags int flags) throws NameNotFoundException;<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u5b83\u662f\u4e00\u4e2a\u63a5\u53e3\uff0c\u90a3\u4e48\u5c31\u627e\u5b83\u7684\u5b9e\u73b0\u7c7b\uff08\u6ce8\u610f\uff0c\u5982\u679c\u8fd9\u4e2a\u63a5\u53e3\u6d89\u53ca\u5230\u9690\u85cf<code>@hide<\/code>\u7684\u7c7b\uff0c\u4f60\u7528ctrl+T\u662f\u4e0d\u80fd\u627e\u5230\u7684\uff0c\u4e0d\u8fc7\u4e5f\u6709\u529e\u6cd5\uff0c\u56de\u5230<code>NavUtil.java<\/code>\uff09\uff1a<\/p>\n<pre><code class=\"language-java\">public static String getParentActivityName(@NonNull Context context,\n        @NonNull ComponentName componentName)\n        throws NameNotFoundException {\n    PackageManager pm = context.getPackageManager();\n    int flags = PackageManager.GET_META_DATA;\n    \/\/ Check for disabled components to handle cases where the\n    \/\/ ComponentName points to a disabled activity-alias.\n    if (Build.VERSION.SDK_INT &gt;= Build.VERSION_CODES.N) {\n        flags |= PackageManager.MATCH_DISABLED_COMPONENTS;\n    } else {\n        flags |= PackageManager.GET_DISABLED_COMPONENTS;\n    }\n    ActivityInfo info = pm.getActivityInfo(componentName, flags);<\/code><\/pre>\n<p>\u539f\u6765<code>pm<\/code>\u5bf9\u8c61\u662f\u6765\u81ea<code>context<\/code>\uff0c\u65e2\u7136\u63d0\u5230\u4e86<code>context<\/code>\u8fd9\u4e2a\u62bd\u8c61\u7c7b\uff0c\u5b83\u7684\u5f88\u591a\u62bd\u8c61\u65b9\u6cd5\u7684\u5b9e\u73b0\u90fd\u5728<code>ContextImpl<\/code>\uff0c\u624b\u52a8\u8fdb\u5165<code>ContextImpl<\/code>\u627e\u8fd9\u4e2a\u65b9\u6cd5\uff1a<\/p>\n<pre><code class=\"language-java\">@Override\npublic PackageManager getPackageManager() {\n    if (mPackageManager != null) {\n        return mPackageManager;\n    }\n\n    IPackageManager pm = ActivityThread.getPackageManager();\n    if (pm != null) {\n        \/\/ Doesn&#039;t matter if we make more than one instance.\n        return (mPackageManager = new ApplicationPackageManager(this, pm));\n    }\n\n    return null;\n}<\/code><\/pre>\n<p>\u53c2\u8003\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.androidos.net.cn\/android\/9.0.0_r8\/xref\/\/frameworks\/base\/core\/java\/android\/app\/ContextImpl.java\">https:\/\/www.androidos.net.cn\/android\/9.0.0_r8\/xref\/\/frameworks\/base\/core\/java\/android\/app\/ContextImpl.java<\/a><\/p>\n<p>\u8fd9\u4e2a<code>pm<\/code>\u5bf9\u8c61\u539f\u6765\u662f\u6765\u81ea<code>ActivityThread<\/code>\u7136\u540e\u8fdb\u884c\u4e86\u4e00\u6b21\u5c01\u88c5\uff0c\u6700\u540e\u8fd4\u56de\u51fa\u53bb\u7684\u662f\u4e00\u4e2a<code>ApplicationPackageManager<\/code>\u5bf9\u8c61\uff0c\u90a3\u5c31\u8fdb\u5165\u4e3b\u7ebf\u7a0b\u54af\uff1a<\/p>\n<pre><code class=\"language-java\">public static IPackageManager getPackageManager() {\n    if (sPackageManager != null) {\n        \/\/Slog.v(&quot;PackageManager&quot;, &quot;returning cur default = &quot; + sPackageManager);\n        return sPackageManager;\n    }\n    IBinder b = ServiceManager.getService(&quot;package&quot;);\n    \/\/Slog.v(&quot;PackageManager&quot;, &quot;default service binder = &quot; + b);\n    sPackageManager = IPackageManager.Stub.asInterface(b);\n    \/\/Slog.v(&quot;PackageManager&quot;, &quot;default service = &quot; + sPackageManager);\n    return sPackageManager;\n}<\/code><\/pre>\n<p>\u53c2\u8003\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.androidos.net.cn\/android\/9.0.0_r8\/xref\/frameworks\/base\/core\/java\/android\/app\/ActivityThread.java\">https:\/\/www.androidos.net.cn\/android\/9.0.0_r8\/xref\/frameworks\/base\/core\/java\/android\/app\/ActivityThread.java<\/a><\/p>\n<p>\u770b\u770b<code>IPackageManager<\/code>\u7684\u5185\u5bb9\uff1a\u5b83\u662f<code>AIDL<\/code>\u52a8\u6001\u751f\u6210\u7684\u63a5\u53e3\uff0c\u7528Android Studio\u662f\u770b\u4e0d\u5230\u63a5\u53e3\u5185\u5bb9\u7684\uff0c\u53ea\u80fd\u5230\u6e90\u7801\u5b98\u7f51\uff0c\u67e5\u5230\u7684\u63a5\u53e3\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-java\">interface IPackageManager {\n    ...\n    ActivityInfo getActivityInfo(in ComponentName className, int flags, int userId);\n}<\/code><\/pre>\n<p>\u53c2\u8003\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.androidos.net.cn\/android\/9.0.0_r8\/xref\/frameworks\/base\/core\/java\/android\/content\/pm\/IPackageManager.aidl\">https:\/\/www.androidos.net.cn\/android\/9.0.0_r8\/xref\/frameworks\/base\/core\/java\/android\/content\/pm\/IPackageManager.aidl<\/a><\/p>\n<p>Ok\uff0c\u770b\u5230IBinder\uff0c\u5c31\u77e5\u9053\u5e94\u8be5\u65e0\u6cd5\u7ee7\u7eed\u5f80\u4e0b\u8ffd\u67e5\u4e86\uff0c\u5df2\u7ecf\u8de8\u8fdb\u7a0b\u4e86<\/p>\n<p>\u524d\u9762\u63d0\u5230\u4e86\uff0c\u4ece\u4e3b\u7ebf\u7a0b\u62ff\u5230\u7684<code>pm<\/code>\uff0c\u88ab\u5c01\u88c5\u6210\u4e86<code>ApplicationPackageManager<\/code>\uff0c\u90a3\u4e48\uff0c\u8fdb\u5165\u5b83\u91cc\u9762\u53bb\u627e<code>getActivityInfo<\/code>\u65b9\u6cd5\uff1a<\/p>\n<pre><code class=\"language-java\">@Override\npublic ActivityInfo getActivityInfo(ComponentName className, int flags)\n        throws NameNotFoundException {\n    try {\n        ActivityInfo ai = mPM.getActivityInfo(className, flags, mContext.getUserId());\n        if (ai != null) {\n            return ai;\n        }\n    } catch (RemoteException e) {\n        throw e.rethrowFromSystemServer();\n    }\n\n    throw new NameNotFoundException(className.toString());\n}<\/code><\/pre>\n<p>\u53c2\u8003\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.androidos.net.cn\/android\/9.0.0_r8\/xref\/frameworks\/base\/core\/java\/android\/app\/ApplicationPackageManager.java\">https:\/\/www.androidos.net.cn\/android\/9.0.0_r8\/xref\/frameworks\/base\/core\/java\/android\/app\/ApplicationPackageManager.java<\/a><\/p>\n<p>\u539f\u6765\u5f02\u5e38\u662f\u8fd9\u91cc\u629b\u51fa\u7684\uff0c\u5f53<code>mPm.getActivityInfo<\/code>\u4e3a\u7a7a\u7684\u65f6\u5019\uff0c\u624d\u4f1a\u629b\u51fa\u3002OK\uff0c\u5c31\u67e5\u5230\u8fd9\u91cc\uff0c\u5f97\u51fa\u7ed3\u8bba\uff1a<\/p>\n<blockquote>\n<p>\u6e90\u7801\uff0c\u5176\u5b9e\u5bf9Activity\u7684\u5408\u6cd5\u6027\u8fdb\u884c\u4e86\u4e24\u6b21\u68c0\u6d4b\uff0c\u4e00\u6b21\u662f\u5728AMS\uff0c\u4e00\u6b21\u662f\u5728\u8fd9\u91cc\u7684PMS\uff0c\u524d\u9762\u7684AMS\uff0c\u6211\u4eec\u7528\u4e00\u4e2a\u5df2\u6709\u7684Activity\u4f2a\u88c5\u4e86\u4e00\u4e0b\uff0c\u901a\u8fc7\u4e86\u9a8c\u8bc1\uff0c\u90a3\u4e48\u8fd9\u91cc\u7684PMS\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u91c7\u7528\u540c\u6837\u7684\u65b9\u5f0f<\/p>\n<\/blockquote>\n<p>\u6ce8\uff1a\u4e0a\u8ff0\u4ee3\u7801\u7684\u53c2\u6570<code>ComponentName className<\/code>\uff0c\u5176\u5b9e\uff0c\u5b83\u5c31\u662f<code>Intent<\/code>\u7684<code>ComponentName<\/code>\u6210\u5458\uff1a<\/p>\n<pre><code class=\"language-java\">public class Intent implements Parcelable, Cloneable {\n    ....\n    private String mAction;\n    private Uri mData;\n    private String mType;\n    private String mIdentifier;\n    private String mPackage;\n    private ComponentName mComponent;\n    private int mFlags;\n    private ArraySet&lt;String&gt; mCategories;\n    @UnsupportedAppUsage\n    private Bundle mExtras;<\/code><\/pre>\n<p>\u8fd9\u91cc\u5bf9<code>Intent<\/code>\u53c8\u8fdb\u884c\u4e86\u4e00\u6b21\u68c0\u67e5\uff0c\u68c0\u67e5\u7684\u5c31\u662f\u8fd9\u4e2a<code>ComponentName<\/code><\/p>\n<p>\u63a5\u4e0b\u6765\u91c7\u7528\u540c\u6837\u7684\u65b9\u5f0f\u5bf9<code>PMS<\/code>\u7684\u68c0\u6d4b\u8fdb\u884c<code>hook<\/code>\uff0c\u8ba9\u5b83\u4e0d\u518d\u62a5\u5f02\u5e38\u3002\u6b64\u6b21<code>hook<\/code>\u7684\u53c2\u7167\u7684\u6e90\u7801\u662f\uff1a<\/p>\n<p><code>ActivityThread.java<\/code><\/p>\n<pre><code class=\"language-java\">public static IPackageManager getPackageManager() {\n    if (sPackageManager != null) {\n        \/\/Slog.v(&quot;PackageManager&quot;, &quot;returning cur default = &quot; + sPackageManager);\n        return sPackageManager;\n    }\n    IBinder b = ServiceManager.getService(&quot;package&quot;);\n    \/\/Slog.v(&quot;PackageManager&quot;, &quot;default service binder = &quot; + b);\n    sPackageManager = IPackageManager.Stub.asInterface(b);\n    \/\/Slog.v(&quot;PackageManager&quot;, &quot;default service = &quot; + sPackageManager);\n    return sPackageManager;\n}<\/code><\/pre>\n<p><code>hook<\/code>\u6838\u5fc3\u4ee3\u7801\u5982\u4e0b(\u5bf9<code>sPackageManager<\/code>\u8fdb\u884c\u4ee3\u7406\u66ff\u6362\uff0c\u8ba9\u4ee3\u7406\u7c7b\u68c0\u67e5\u7684\u6c38\u8fdc\u662f\u5408\u6cd5\u7684<code>Activity<\/code>)\uff1a<\/p>\n<pre><code class=\"language-java\">\/**\n * \u7531\u4e8e\u6211\u53ea\u5728SDK 28 \u5bf9\u5e94\u76849.0\u8bbe\u5907\u4e0a\u505a\u8fc7\u6210\u529f\u7684\u8bd5\u9a8c\uff0c\u6240\u4ee5\u6b64\u65b9\u6cd5\u547d\u540d\u4e3ahookPMAfter28\n *\n * @param context\n *\/\nprivate static void hookPMAfter28(Context context) {\n    try {\n        String pmName = Util.getPMName(context);\n        String hostClzName = Util.getHostClzName(context, pmName);\n\n        Class&lt;?&gt; activityThreadClazz = Class.forName(&quot;android.app.ActivityThread&quot;);\n        Object sCurrentActivityThread = ReflectUtil.staticFieldValue(activityThreadClazz, &quot;sCurrentActivityThread&quot;);\/\/PM\u5c45\u7136\u662f\u6765\u81eaActivityThread\n\n        Object iPackageManager = ReflectUtil.invokeMethod(sCurrentActivityThread, &quot;getPackageManager&quot;);\n\n        String packageName = Util.getPMName(context);\n        PMSInvocationHandler handler = new PMSInvocationHandler(iPackageManager, packageName, hostClzName);\n        Class&lt;?&gt; iPackageManagerIntercept = Class.forName(&quot;android.content.pm.IPackageManager&quot;);\n        Object proxy = Proxy.newProxyInstance(Thread.currentThread().getContextClassLoader(), new\n                Class&lt;?&gt;[]{iPackageManagerIntercept}, handler);\n        \/\/ \u83b7\u53d6 sPackageManager \u5c5e\u6027\n        Field sPackageManagerField = ReflectUtil.findField(sCurrentActivityThread, &quot;sPackageManager&quot;);\n        sPackageManagerField.set(sCurrentActivityThread, proxy);\n    } catch (\n            Exception e) {\n        e.printStackTrace();\n    }\n}\n\nstatic class PMSInvocationHandler implements InvocationHandler {\n\n    private Object base;\n    private String packageName;\n    private String hostClzName;\n\n    public PMSInvocationHandler(Object base, String packageName, String hostClzName) {\n        this.packageName = packageName;\n        this.base = base;\n        this.hostClzName = hostClzName;\n    }\n\n    @Override\n    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {\n\n        if (method.getName().equals(&quot;getActivityInfo&quot;)) {\n            ComponentName componentName = new ComponentName(packageName, hostClzName);\n            return method.invoke(base, componentName, PackageManager.GET_META_DATA, 0); \/\/\u7834\u8d39\uff0c\u4e00\u5b9a\u662f\u8fd9\u6837\n        }\n\n        return method.invoke(base, args);\n    }\n}<\/code><\/pre>\n<h2>\u5de5\u5177\u7c7b<\/h2>\n<p>ReflectUtil.java<\/p>\n<pre><code class=\"language-java\">import android.content.Context;\n\nimport java.lang.reflect.Array;\nimport java.lang.reflect.Constructor;\nimport java.lang.reflect.Field;\nimport java.lang.reflect.InvocationTargetException;\nimport java.lang.reflect.Method;\nimport java.util.Arrays;\n\n\/**\n * Created by zhangshaowen on 16\/8\/22.\n *\/\npublic class ReflectUtil {\n\n    \/**\n     * Locates a given field anywhere in the class inheritance hierarchy.\n     *\n     * @param instance an object to search the field into.\n     * @param name     field name\n     * @return a field object\n     * @throws NoSuchFieldException if the field cannot be located\n     *\/\n    public static Field findField(Object instance, String name) throws NoSuchFieldException {\n        for (Class&lt;?&gt; clazz = instance.getClass(); clazz != null; clazz = clazz.getSuperclass()) {\n            try {\n                Field field = clazz.getDeclaredField(name);\n\n                if (!field.isAccessible()) {\n                    field.setAccessible(true);\n                }\n\n                return field;\n            } catch (NoSuchFieldException e) {\n                \/\/ ignore and search next\n            }\n        }\n\n        throw new NoSuchFieldException(&quot;Field &quot; + name + &quot; not found in &quot; + instance.getClass());\n    }\n\n    public static Object fieldValue(Object instance, String name) throws NoSuchFieldException, IllegalAccessException {\n        Field field = findField(instance, name);\n        return field.get(instance);\n    }\n\n    public static Object staticFieldValue(Class&lt;?&gt; originClazz, String name) throws NoSuchFieldException, IllegalAccessException {\n        Field field = findField(originClazz, name);\n        return field.get(null);\n    }\n\n    public static Field findSingletonField(String name) throws NoSuchFieldException, ClassNotFoundException {\n        Class&lt;?&gt; SingletonClz = Class.forName(&quot;android.util.Singleton&quot;);\/\/\u53cd\u5c04\u521b\u5efa\u4e00\u4e2aSingleton\u7684class\n        return findField(SingletonClz, name);\n    }\n\n    public static Field findField(Class&lt;?&gt; originClazz, String name) throws NoSuchFieldException {\n        for (Class&lt;?&gt; clazz = originClazz; clazz != null; clazz = clazz.getSuperclass()) {\n            try {\n                Field field = clazz.getDeclaredField(name);\n\n                if (!field.isAccessible()) {\n                    field.setAccessible(true);\n                }\n\n                return field;\n            } catch (NoSuchFieldException e) {\n                \/\/ ignore and search next\n            }\n        }\n\n        throw new NoSuchFieldException(&quot;Field &quot; + name + &quot; not found in &quot; + originClazz);\n    }\n\n    \/**\n     * Locates a given method anywhere in the class inheritance hierarchy.\n     *\n     * @param instance       an object to search the method into.\n     * @param name           method name\n     * @param parameterTypes method parameter types\n     * @return a method object\n     * @throws NoSuchMethodException if the method cannot be located\n     *\/\n    public static Method findMethod(Object instance, String name, Class&lt;?&gt;... parameterTypes)\n        throws NoSuchMethodException {\n        for (Class&lt;?&gt; clazz = instance.getClass(); clazz != null; clazz = clazz.getSuperclass()) {\n            try {\n                Method method = clazz.getDeclaredMethod(name, parameterTypes);\n\n                if (!method.isAccessible()) {\n                    method.setAccessible(true);\n                }\n\n                return method;\n            } catch (NoSuchMethodException e) {\n                \/\/ ignore and search next\n            }\n        }\n\n        throw new NoSuchMethodException(&quot;Method &quot;\n            + name\n            + &quot; with parameters &quot;\n            + Arrays.asList(parameterTypes)\n            + &quot; not found in &quot; + instance.getClass());\n    }\n\n    \/**\n     * Locates a given method anywhere in the class inheritance hierarchy.\n     *\n     * @param clazz          a class to search the method into.\n     * @param name           method name\n     * @param parameterTypes method parameter types\n     * @return a method object\n     * @throws NoSuchMethodException if the method cannot be located\n     *\/\n    public static Method findMethod(Class&lt;?&gt; clazz, String name, Class&lt;?&gt;... parameterTypes)\n            throws NoSuchMethodException {\n        for (; clazz != null; clazz = clazz.getSuperclass()) {\n            try {\n                Method method = clazz.getDeclaredMethod(name, parameterTypes);\n\n                if (!method.isAccessible()) {\n                    method.setAccessible(true);\n                }\n\n                return method;\n            } catch (NoSuchMethodException e) {\n                \/\/ ignore and search next\n            }\n        }\n\n        throw new NoSuchMethodException(&quot;Method &quot;\n                + name\n                + &quot; with parameters &quot;\n                + Arrays.asList(parameterTypes)\n                + &quot; not found in &quot; + clazz);\n    }\n\n    public static Object invokeMethod(Object instance, String name) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {\n        Method method = findMethod(instance, name);\n        return method.invoke(instance);\n    }\n\n    public static Object invokeStaticMethod(Class&lt;?&gt; clazz, String name) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {\n        Method method = findMethod(clazz, name);\n        return method.invoke(null);\n    }\n\n    \/**\n     * Locates a given constructor anywhere in the class inheritance hierarchy.\n     *\n     * @param instance       an object to search the constructor into.\n     * @param parameterTypes constructor parameter types\n     * @return a constructor object\n     * @throws NoSuchMethodException if the constructor cannot be located\n     *\/\n    public static Constructor&lt;?&gt; findConstructor(Object instance, Class&lt;?&gt;... parameterTypes)\n            throws NoSuchMethodException {\n        for (Class&lt;?&gt; clazz = instance.getClass(); clazz != null; clazz = clazz.getSuperclass()) {\n            try {\n                Constructor&lt;?&gt; ctor = clazz.getDeclaredConstructor(parameterTypes);\n\n                if (!ctor.isAccessible()) {\n                    ctor.setAccessible(true);\n                }\n\n                return ctor;\n            } catch (NoSuchMethodException e) {\n                \/\/ ignore and search next\n            }\n        }\n\n        throw new NoSuchMethodException(&quot;Constructor&quot;\n                + &quot; with parameters &quot;\n                + Arrays.asList(parameterTypes)\n                + &quot; not found in &quot; + instance.getClass());\n    }\n\n    \/**\n     * Replace the value of a field containing a non null array, by a new array containing the\n     * elements of the original array plus the elements of extraElements.\n     *\n     * @param instance      the instance whose field is to be modified.\n     * @param fieldName     the field to modify.\n     * @param extraElements elements to append at the end of the array.\n     *\/\n    public static void expandFieldArray(Object instance, String fieldName, Object[] extraElements)\n        throws NoSuchFieldException, IllegalArgumentException, IllegalAccessException {\n        Field jlrField = findField(instance, fieldName);\n\n        Object[] original = (Object[]) jlrField.get(instance);\n        Object[] combined = (Object[]) Array.newInstance(original.getClass().getComponentType(), original.length + extraElements.length);\n\n        \/\/ NOTE: changed to copy extraElements first, for patch load first\n\n        System.arraycopy(extraElements, 0, combined, 0, extraElements.length);\n        System.arraycopy(original, 0, combined, extraElements.length, original.length);\n\n        jlrField.set(instance, combined);\n    }\n\n    \/**\n     * Replace the value of a field containing a non null array, by a new array containing the\n     * elements of the original array plus the elements of extraElements.\n     *\n     * @param instance      the instance whose field is to be modified.\n     * @param fieldName     the field to modify.\n     *\/\n    public static void reduceFieldArray(Object instance, String fieldName, int reduceSize)\n        throws NoSuchFieldException, IllegalArgumentException, IllegalAccessException {\n        if (reduceSize &lt;= 0) {\n            return;\n        }\n\n        Field jlrField = findField(instance, fieldName);\n\n        Object[] original = (Object[]) jlrField.get(instance);\n        int finalLength = original.length - reduceSize;\n\n        if (finalLength &lt;= 0) {\n            return;\n        }\n\n        Object[] combined = (Object[]) Array.newInstance(original.getClass().getComponentType(), finalLength);\n\n        System.arraycopy(original, reduceSize, combined, 0, finalLength);\n\n        jlrField.set(instance, combined);\n    }\n\n    public static Object getActivityThread(Context context,\n                                           Class&lt;?&gt; activityThread) {\n        try {\n            if (activityThread == null) {\n                activityThread = Class.forName(&quot;android.app.ActivityThread&quot;);\n            }\n            Method m = activityThread.getMethod(&quot;currentActivityThread&quot;);\n            m.setAccessible(true);\n            Object currentActivityThread = m.invoke(null);\n            if (currentActivityThread == null &amp;&amp; context != null) {\n                \/\/ In older versions of Android (prior to frameworks\/base 66a017b63461a22842)\n                \/\/ the currentActivityThread was built on thread locals, so we&#039;ll need to try\n                \/\/ even harder\n                Field mLoadedApk = context.getClass().getField(&quot;mLoadedApk&quot;);\n                mLoadedApk.setAccessible(true);\n                Object apk = mLoadedApk.get(context);\n                Field mActivityThreadField = apk.getClass().getDeclaredField(&quot;mActivityThread&quot;);\n                mActivityThreadField.setAccessible(true);\n                currentActivityThread = mActivityThreadField.get(apk);\n            }\n            return currentActivityThread;\n        } catch (Throwable ignore) {\n            return null;\n        }\n    }\n\n    \/**\n     * Handy method for fetching hidden integer constant value in system classes.\n     *\n     * @param clazz\n     * @param fieldName\n     * @return\n     *\/\n    public static int getValueOfStaticIntField(Class&lt;?&gt; clazz, String fieldName, int defVal) {\n        try {\n            final Field field = findField(clazz, fieldName);\n            return field.getInt(null);\n        } catch (Throwable thr) {\n            return defVal;\n        }\n    }\n}<\/code><\/pre>\n<p>Util.java<\/p>\n<pre><code>import android.content.Context;\nimport android.content.pm.ActivityInfo;\nimport android.content.pm.PackageInfo;\nimport android.content.pm.PackageManager;\n\npublic class Util {\n    \/**\n     * \u83b7\u53d6\u5f53\u524d\u5e94\u7528\u7684\u7b2c\u4e00\u4e2aActivity\u7684name\n     *\n     * @param context\n     * @param pmName\n     * @return\n     *\/\n    public static String getHostClzName(Context context, String pmName) {\n        PackageInfo packageInfo = null;\n        try {\n            packageInfo = context.getPackageManager().getPackageInfo(pmName, PackageManager\n                    .GET_ACTIVITIES);\n        } catch (PackageManager.NameNotFoundException e) {\n            e.printStackTrace();\n            return &quot;&quot;;\n        }\n        ActivityInfo[] activities = packageInfo.activities;\n        if (activities == null || activities.length == 0) {\n            return &quot;&quot;;\n        }\n        ActivityInfo activityInfo = activities[0];\n        return activityInfo.name;\n\n    }\n\n    \/**\n     * \u83b7\u53d6\u5305\u540d\n     *\n     * @param context\n     * @return\n     *\/\n    public static String getPMName(Context context) {\n        \/\/ \u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u5df2\u7ecf\u6ce8\u518c\u7684 activity\n        Context applicationContext = context.getApplicationContext();\n        return applicationContext.getPackageName();\n    }\n}<\/code><\/pre>\n<h2>\u6700\u7ec8\u6548\u679c<\/h2>\n<p><code>Application<\/code>\u4e2d\u542f\u7528<code>hook<\/code><\/p>\n<pre><code class=\"language-java\">import android.app.Application;\nimport android.content.Context;\n\nimport cn.appblog.androidnomenifestdemo.GlobalActivityHookHelper;\nimport me.weishu.reflection.Reflection;\n\npublic class AppMain extends Application {\n    @Override\n    protected void attachBaseContext(Context base) {\n        super.attachBaseContext(base);\n        Reflection.unseal(base);\n    }\n\n    @Override\n    public void onCreate() {\n        super.onCreate();\n        GlobalActivityHookHelper.hook(this);\n    }\n}<\/code><\/pre>\n<p>\u6dfb\u52a03\u4e2aActivity\u95f4\u8df3\u8f6c\uff0c\u4f46\u662f\u6e05\u5355\u6587\u4ef6\u53ea\u6709\u4e00\u4e2a<code>launchActivity<\/code><\/p>\n<pre><code class=\"language-xml\">&lt;application\n    android:name=&quot;.app.AppMain&quot;\n    android:allowBackup=&quot;true&quot;\n    android:icon=&quot;@mipmap\/ic_launcher&quot;\n    android:label=&quot;@string\/app_name&quot;\n    android:roundIcon=&quot;@mipmap\/ic_launcher_round&quot;\n    android:supportsRtl=&quot;true&quot;\n    android:theme=&quot;@style\/AppTheme&quot;&gt;\n    &lt;activity android:name=&quot;.ui.MainActivity&quot;&gt;\n        &lt;intent-filter&gt;\n            &lt;action android:name=&quot;android.intent.action.MAIN&quot; \/&gt;\n            &lt;category android:name=&quot;android.intent.category.LAUNCHER&quot; \/&gt;\n        &lt;\/intent-filter&gt;\n    &lt;\/activity&gt;\n&lt;\/application&gt;<\/code><\/pre>\n<p>MainActivity.java<\/p>\n<pre><code class=\"language-java\">public class MainActivity extends AppCompatActivity {\n\n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        setContentView(R.layout.activity_main);\n\n        findViewById(R.id.btn).setOnClickListener(new View.OnClickListener() {\n            @Override\n            public void onClick(View v) {\n                startActivityByActivity();\n            }\n        });\n        Log.d(&quot;LifeCircle&quot;, &quot;onCreate()&quot;);\n    }\n\n    private void startActivityByActivity() {\n        Intent i = new Intent(MainActivity.this, Main2Activity.class);\n        startActivity(i);\n    }\n\n    @Override\n    protected void onRestart() {\n        super.onRestart();\n        Log.d(&quot;LifeCircle&quot;, &quot;onRestart()&quot;);\n    }\n\n    @Override\n    protected void onStart() {\n        super.onStart();\n        Log.d(&quot;LifeCircle&quot;, &quot;onStart()&quot;);\n    }\n\n    @Override\n    protected void onResume() {\n        super.onResume();\n        Log.d(&quot;LifeCircle&quot;, &quot;onResume()&quot;);\n    }\n\n    @Override\n    protected void onStop() {\n        super.onStop();\n        Log.d(&quot;LifeCircle&quot;, &quot;onStop()&quot;);\n    }\n\n    @Override\n    protected void onPause() {\n        super.onPause();\n        Log.d(&quot;LifeCircle&quot;, &quot;onPause()&quot;);\n    }\n\n    @Override\n    protected void onDestroy() {\n        super.onDestroy();\n        Log.d(&quot;LifeCircle&quot;, &quot;onDestroy()&quot;);\n    }\n}<\/code><\/pre>\n<p>MainActivity2.java<\/p>\n<pre><code class=\"language-java\">public class Main2Activity extends AppCompatActivity {\n\n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        setContentView(R.layout.activity_main2);\n\n        findViewById(R.id.btn).setOnClickListener(new View.OnClickListener() {\n            @Override\n            public void onClick(View v) {\n                startActivityByActivity();\n            }\n        });\n    }\n\n    private void startActivityByActivity() {\n        Intent i = new Intent(Main2Activity.this, Main3Activity.class);\n        startActivity(i);\n    }\n}<\/code><\/pre>\n<p>MainActivity3.java<\/p>\n<pre><code>public class Main3Activity extends AppCompatActivity {\n\n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        setContentView(R.layout.activity_main3);\n    }\n}<\/code><\/pre>\n<h2>\u7ed3\u8bed<\/h2>\n<p>\u65e0\u6e05\u5355\u6ce8\u518c\uff0c\u542f\u52a8Activity\u4e5f\u5b8c\u6210\u3002\u6240\u8c13<code>hook<\/code>\uff0c\u5957\u8def\u662f\u7b80\u5355\u7684\uff0c\u5c31\u662f<\/p>\n<p>\uff081\uff09\u627e\u5230<code>hook<\/code>\u70b9(\u6bd4\u5982\u4e0a\u9762\uff0c3\u6b21<code>hook<\/code>\uff0c\u4e00\u6b21\u662f\u7cfb\u7edf\u7684<code>AMS<\/code>\uff0c\u4e00\u6b21\u662f<code>ActivityThread<\/code>\u7684<code>mH<\/code>\uff0c\u8fd8\u6709\u4e00\u6b21\u662f<code>ActivityThread<\/code>\u7684<code>sPackageManager<\/code>\uff0c\u6ce8\u610f\uff0c\u8fd9\u91cc<code>sPackageManager<\/code>\u7684<code>hook<\/code>\uff0c\u53ea\u9488\u5bf9\u4e86<code>SDK28-9.0<\/code>\u8bbe\u5907\u8fdb\u884c\u4e86<code>hook<\/code>\uff0c\u5728\u5176\u4ed6\u7248\u672c\u7684\u8bbe\u5907\u4e0a\u8fd0\u884c\u53ef\u80fd\u4f1a\u51fa\u73b0\u5176\u4ed6\u95ee\u9898\uff0c\u6bd4\u5982\uff0c<code>Intent<\/code>\u4e2d\u7684\u53c2\u6570\u4f20\u9012\u4e0d\u6b63\u5e38\u7b49)<\/p>\n<p>\uff082\uff09\u7528\u5408\u9002\u7684\u65b9\u5f0f\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61\uff0c\u901a\u5e38\u8981<code>hook<\/code>\u4e00\u4e2a\u7cfb\u7edf\u7c7b\uff0c\u5c31\u7528\u7ee7\u627f\u7684\u65b9\u5f0f\uff0c\u91cd\u5199\u67d0\u65b9\u6cd5\u3002<code>hook<\/code>\u4e00\u4e2a\u7cfb\u7edf\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b\uff0c\u90a3\u5c31\u7528JDK\u7684<code>Proxy<\/code>\u52a8\u6001\u4ee3\u7406<\/p>\n<p>\uff083\uff09\u6700\u540e\u7528\u4ee3\u7406\u5bf9\u8c61\uff0c\u53cd\u5c04set\uff0c\u66ff\u6362\u88ab<code>hook<\/code>\u7684\u5bf9\u8c61<\/p>\n<p>\u5957\u8def\u5e76\u4e0d\u96be\uff0c\u638c\u63e1\u597d\u53cd\u5c04\uff0c\u4ee5\u53ca\u4ee3\u7406\u6a21\u5f0f\uff0c\u5373\u53ef\u3002\u771f\u6b63\u96be\u7684\u662f\u54ea\u91cc\uff1f\u662f\u6e90\u7801\u7684\u9605\u8bfb\u80fd\u529b\uff0c\u8fd8\u6709\u5199\u51fa\u517c\u5bb9\u6027<code>Hook<\/code>\u6838\u5fc3\u4ee3\u7801\u7684\u80fd\u529b\uff01Android SDK \u6709\u5f88\u591a\u7248\u672c\u8fed\u4ee3\uff0c\u73b0\u5728\u6700\u65b0\u7684\u662fSDK 28\uff0c\u6211\u4eec\u8981\u4fdd\u8bc1\u6211\u4eec\u7684hook\u4ee3\u7801\u80fd\u591f\u517c\u5bb9\u6240\u6709\u7684\u7cfb\u7edf\u7248\u672c\uff0c\u5c31\u9700\u8981\u5927\u91cf\u9605\u8bfb\u6e90\u7801\uff0c\u786e\u4fdd\u4e07\u65e0\u4e00\u5931\u3002\u6bd4\u5982\u4e0a\u9762\uff0c\u5982\u679c\u4e0d\u662f\u5728SDK 28-Android9.0\u7684\u6a21\u62df\u5668\u4e0a\u8fd0\u884c\u53d1\u73b0\u62a5\u5f02\u5e38\uff0c\u4e5f\u6839\u672c\u5c31\u4e0d\u4f1a\u53bb\u505a\u6700\u540e\u4e00\u6b21\u7684<code>hook<\/code><\/p>\n<p>\uff084\uff09\u5728 SDK 28\u4e4b\u524d\u624b\u673a\u4e0a\u6211\u53d1\u73b0\u4e86\u4e00\u4e2abug\uff0c\u65e0\u6cd5\u9690\u5f0f\u542f\u52a8Activity\u3002\u4fee\u6539<code>handleLaunchActivity<\/code>\u65b9\u6cd5\u7684\u4e00\u884c\u4ee3\u7801\u5373\u53ef\uff1a<\/p>\n<pre><code class=\"language-java\">proxyIntent.setComponent(originallyIntent.getComponent());<\/code><\/pre>\n<p>\u6539\u4e3a<\/p>\n<pre><code class=\"language-java\">ComponentName cn = originallyIntent.resolveActivity(context.getPackageManager());\nif (cn == null) {\n    return;\n}\nproxyIntent.setComponent(cn);<\/code><\/pre>\n<p>\u672c\u6587\u8f6c\u8f7d\u81f3\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jianshu.com\/p\/eb772e50c690\">https:\/\/www.jianshu.com\/p\/eb772e50c690<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6b63\u5e38\u5f00\u53d1\u4e2d\uff0c\u6240\u6709Activity\u90fd\u8981\u5728AndroidManifest.xml\u4e2d\u8fdb\u884c\u6ce8\u518c\uff0c\u624d\u53ef\u4ee5\u6b63\u5e38\u8df3\u8f6c\u3002\u901a\u8fc7h [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[311],"tags":[60,310],"class_list":["post-1836","post","type-post","status-publish","format-standard","hentry","category-android-advance","tag-activity","tag-hook"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1836"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1836\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}