{"id":731,"date":"2023-02-26T15:40:44","date_gmt":"2023-02-26T07:40:44","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=731"},"modified":"2023-04-29T17:09:48","modified_gmt":"2023-04-29T09:09:48","slug":"android-8-broadcastreceiver-static-registration-mostly-cancelled-dynamic-registration-orderly-broadcasting","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/26\/android-8-broadcastreceiver-static-registration-mostly-cancelled-dynamic-registration-orderly-broadcasting\/","title":{"rendered":"Android 8.0 BroadcastReceiver\u9759\u6001\u6ce8\u518c\u5927\u90e8\u5206\u53d6\u6d88\uff0c\u52a8\u6001\u6ce8\u518c\uff0c\u6709\u5e8f\u5e7f\u64ad"},"content":{"rendered":"

Android 8.0 \u79fb\u9664\u5927\u90e8\u5206\u9759\u6001\u6ce8\u518c\u5e7f\u64ad\uff1ahttps:\/\/developer.android.com\/reference\/android\/content\/BroadcastReceiver<\/a>
\n\u89e3\u51b3\u65b9\u6848\uff1a\u52a8\u6001\u6ce8\u518c\u5e7f\u64ad<\/p>\n

\u5728Activity\u4e2d\u5bf9\u5e7f\u64ad\u63a5\u6536\u8fdb\u884c\u52a8\u6001\u6ce8\u518c\u5b9e\u73b0\u5168\u5c40\u7f51\u7edc\u76d1\u542c<\/p>\n

<\/p>\n

public class NetWorkStateReceiver extends BroadcastReceiver {\n\n    @Override\n    public void onReceive(Context context, Intent intent) {\n        NLog.i(Constants.TAG, "\u7f51\u7edc\u72b6\u6001\u53d1\u751f\u53d8\u5316");\n        \/\/\u68c0\u6d4bAPI\u662f\u4e0d\u662f\u5c0f\u4e8e21\uff0c\u56e0\u4e3a\u5230\u4e86API21\u4e4b\u540egetNetworkInfo(int networkType)\u65b9\u6cd5\u88ab\u5f03\u7528\n        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.LOLLIPOP) {\n\n            \/\/\u83b7\u5f97ConnectivityManager\u5bf9\u8c61\n            ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);\n\n            \/\/\u83b7\u53d6ConnectivityManager\u5bf9\u8c61\u5bf9\u5e94\u7684NetworkInfo\u5bf9\u8c61\n            \/\/\u83b7\u53d6WIFI\u8fde\u63a5\u7684\u4fe1\u606f\n            NetworkInfo wifiNetworkInfo = connMgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI);\n            \/\/\u83b7\u53d6\u79fb\u52a8\u6570\u636e\u8fde\u63a5\u7684\u4fe1\u606f\n            NetworkInfo dataNetworkInfo = connMgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);\n            if (wifiNetworkInfo.isConnected() && dataNetworkInfo.isConnected()) {\n                \/\/Toast.makeText(context, "WIFI\u5df2\u8fde\u63a5,\u79fb\u52a8\u6570\u636e\u5df2\u8fde\u63a5", Toast.LENGTH_SHORT).show();\n            } else if (wifiNetworkInfo.isConnected() && !dataNetworkInfo.isConnected()) {\n                \/\/Toast.makeText(context, "WIFI\u5df2\u8fde\u63a5,\u79fb\u52a8\u6570\u636e\u5df2\u65ad\u5f00", Toast.LENGTH_SHORT).show();\n            } else if (!wifiNetworkInfo.isConnected() && dataNetworkInfo.isConnected()) {\n                \/\/Toast.makeText(context, "WIFI\u5df2\u65ad\u5f00,\u79fb\u52a8\u6570\u636e\u5df2\u8fde\u63a5", Toast.LENGTH_SHORT).show();\n            } else {\n                \/\/Toast.makeText(context, "WIFI\u5df2\u65ad\u5f00,\u79fb\u52a8\u6570\u636e\u5df2\u65ad\u5f00", Toast.LENGTH_SHORT).show();\n            }\n        } else {\n            NLog.i(Constants.TAG, "API level \u5927\u4e8e21");\n            \/\/\u83b7\u5f97ConnectivityManager\u5bf9\u8c61\n            ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);\n\n            \/\/\u83b7\u53d6\u6240\u6709\u7f51\u7edc\u8fde\u63a5\u7684\u4fe1\u606f\n            Network[] networks = connMgr.getAllNetworks();\n            \/\/\u7528\u4e8e\u5b58\u653e\u7f51\u7edc\u8fde\u63a5\u4fe1\u606f\n            StringBuilder sb = new StringBuilder();\n            \/\/\u901a\u8fc7\u5faa\u73af\u5c06\u7f51\u7edc\u4fe1\u606f\u9010\u4e2a\u53d6\u51fa\u6765\n            for (int i = 0; i < networks.length; i++) {\n                \/\/\u83b7\u53d6ConnectivityManager\u5bf9\u8c61\u5bf9\u5e94\u7684NetworkInfo\u5bf9\u8c61\n                NetworkInfo networkInfo = connMgr.getNetworkInfo(networks[i]);\n                sb.append(networkInfo.getTypeName() + " connect is " + networkInfo.isConnected());\n            }\n            Toast.makeText(context, sb.toString(), Toast.LENGTH_SHORT).show();\n        }\n    }\n\n}<\/code><\/pre>\n
\u52a8\u6001\u6ce8\u518c\u5e7f\u64ad\uff0c\u6700\u597d\u662f\u5728BaseActivity\u4e2d\u4f7f\u7528<\/p>\n
public abstract class BaseActivity  extends AppCompatActivity {\n    private ImmersionBar mImmersionBar;\n    \/\/\u7f51\u7edc\u72b6\u6001\u76d1\u542c\u5e93\n    NetWorkStateReceiver netWorkStateReceiver;\n\n    @Override\n    protected void onCreate(@Nullable Bundle savedInstanceState) {\n        \/\/iconfont\u7684\u7edf\u4e00\u4f7f\u7528\n        LayoutInflaterCompat.setFactory(getLayoutInflater(), new IconfontLayoutFactory(this, getDelegate()));\n        super.onCreate(savedInstanceState);\n        setContentView(getViewId());\n        mImmersionBar = ImmersionBar.with(this).statusBarColor(R.color.colorPrimary);\n        mImmersionBar.init();   \/\/\u6240\u6709\u5b50\u7c7b\u90fd\u5c06\u7ee7\u627f\u8fd9\u4e9b\u76f8\u540c\u7684\u5c5e\u6027\n        ButterKnife.bind(this);\n        initViews();\n\n    }\n\n    public abstract int getViewId();\n\n    @Override\n    protected void onDestroy() {\n        super.onDestroy();\n        if (mImmersionBar != null)\n            mImmersionBar.destroy();  \/\/\u5fc5\u987b\u8c03\u7528\u8be5\u65b9\u6cd5\uff0c\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f\uff0c\u4e0d\u8c03\u7528\u8be5\u65b9\u6cd5\uff0c\u5982\u679c\u754c\u9762bar\u53d1\u751f\u6539\u53d8\uff0c\u5728\u4e0d\u5173\u95edapp\u7684\u60c5\u51b5\u4e0b\uff0c\u9000\u51fa\u6b64\u754c\u9762\u518d\u8fdb\u5165\u5c06\u8bb0\u5fc6\u6700\u540e\u4e00\u6b21bar\u6539\u53d8\u7684\u72b6\u6001\n    }\n\n    protected abstract void initViews();\n\n    @Override\n    protected void onResume() {\n        if (netWorkStateReceiver == null) {\n            netWorkStateReceiver = new NetWorkStateReceiver();\n        }\n        IntentFilter filter = new IntentFilter();\n        filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);\n        registerReceiver(netWorkStateReceiver, filter);\n        LogUtils.e("\u6ce8\u518c");\n        super.onResume();\n    }\n\n    \/\/onPause()\u65b9\u6cd5\u6ce8\u9500\n    @Override\n    protected void onPause() {\n        unregisterReceiver(netWorkStateReceiver);\n        LogUtils.e("\u6ce8\u9500");\n        super.onPause();\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
Android 8.0 \u79fb\u9664\u5927\u90e8\u5206\u9759\u6001\u6ce8\u518c\u5e7f\u64ad\uff1ahttps:\/\/developer.android.com\/r […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[],"class_list":["post-731","post","type-post","status-publish","format-standard","hentry","category-android-basic"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/731","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=731"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/731\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}