public class APP extends Application {\n private static APP instance;\n\n @Override\n public void onCreate() {\n super.onCreate();\n instance=this;\n }\n\n public static APP getInstance() {\n return instance;\n }\n\n public WeChatPayCallback weChatPayCallback;\n}<\/code><\/pre>\nWXPayEntryActivity<\/p>\n
public class WXPayEntryActivity extends Activity implements IWXAPIEventHandler {\n\n public static final String APP_ID = "\u5e94\u7528\u5728\u5fae\u4fe1\u4e0a\u7533\u8bf7\u7684appId";\n private IWXAPI iwxapi;\n\n @Override\n protected void onCreate(@Nullable Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n iwxapi = WXAPIFactory.createWXAPI(this, APP_ID, false);\n registerWeChatCallback();\n }\n\n private void registerWeChatCallback() {\n iwxapi.handleIntent(getIntent(), this);\n }\n\n @Override\n protected void onNewIntent(Intent intent) {\n super.onNewIntent(intent);\n setIntent(intent);\n registerWeChatCallback();\n }\n\n @Override\n public void onReq(BaseReq baseReq) {\n\n }\n\n @Override\n public void onResp(BaseResp baseResp) {\n WeChatPayCallback weChatPayCallback = APP.getInstance().weChatPayCallback;\n if (ConstantsAPI.COMMAND_PAY_BY_WX == baseResp.getType()) {\n if (weChatPayCallback != null) {\n switch (baseResp.errCode) {\n case BaseResp.ErrCode.ERR_USER_CANCEL:\n weChatPayCallback.onWeChatPayCancel();\n break;\n case BaseResp.ErrCode.ERR_COMM:\n weChatPayCallback.onWeChatPayFailure();\n break;\n case BaseResp.ErrCode.ERR_OK:\n weChatPayCallback.onWeChatPaySuccess();\n break;\n }\n }\n finish(); \/\/\u5efa\u8bae\u5728AndroidManifest.xml\u4e2d\u5c06WXPayEntryActivity\u8bbe\u4e3a\u900f\u660e\u4e3b\u9898\uff0c\u5426\u5219finish\u540e\u4f1a\u9ed1\u5c4f\n }\n }\n}<\/code><\/pre>\nPayActivity<\/p>\n
public class PayActivity extends Activity implements WeChatPayCallback{\n\n @Override\n protected void onCreate(@Nullable Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n }\n\n private void startWeChatPay() {\n IWXAPI iwxapi = WXAPIFactory.createWXAPI(this, WXPayEntryActivity.APP_ID, false);\n APP.getInstance().weChatPayCallback=this;\n\n PayReq req = new PayReq();\n \/\/\u8bbe\u7f6ePayReq\u7684\u5c5e\u6027\uff0c\u4e00\u822c\u7531\u540e\u53f0\u63a5\u53e3\u8fd4\u56de\n \/\/\u50cfreq.appId=xxx\u8fd9\u6837\u8bbe\u7f6e\n iwxapi.sendReq(req); \/\/\u6b64\u5904\u6709\u8fd4\u56de\u503c\uff0c\u5982\u679c\u6210\u529f\u8c03\u8d77\u5fae\u4fe1\u652f\u4ed8\uff0c\u8fd4\u56detrue\uff0c\u5426\u5219\u8fd4\u56defalse\n }\n\n @Override\n public void onWeChatPaySuccess() {\n \/\/\u5fae\u4fe1\u652f\u4ed8\u6210\u529f\n }\n\n @Override\n public void onWeChatPayFailure() {\n \/\/\u5fae\u4fe1\u652f\u4ed8\u5931\u8d25\n }\n\n @Override\n public void onWeChatPayCancel() {\n \/\/\u5fae\u4fe1\u652f\u4ed8\u88ab\u53d6\u6d88\n }\n}<\/code><\/pre>\nAndroidManifest.xml<\/p>\n
<activity\n android:theme="@android:style\/Theme.Translucent.NoTitleBar"\n android:name=".wxapi.WXPayEntryActivity"\n android:screenOrientation="portrait"\n android:configChanges="keyboardHidden|screenSize|orientation"\n android:exported="true"\n android:label="@string\/app_name"\/><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u5fae\u4fe1\u652f\u4ed8\u80fd\u6210\u529f\u5524\u8d77\u7684\u524d\u63d0\u662f\uff0c\u5305\u540d\u4e0e\u7b7e\u540d\u4fe1\u606f\u8981\u4e0e\u5728\u5fae\u4fe1\u540e\u53f0\u914d\u7f6e\u7684\u4fdd\u6301\u4e00\u81f4\u3002\u4ee5\u4e0b\u57fa\u4e8e\u5fae\u4fe1\u652f\u4ed8Android Gra […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[311,371],"tags":[],"class_list":["post-1874","post","type-post","status-publish","format-standard","hentry","category-android-advance","category-wechat-pay"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1874","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=1874"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1874\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}