Android FCM在应用程序被杀死时部分工作。

huangapple
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英文:

Android FCM working partly while app is killed

问题

以下是您要翻译的内容：

我在我的 MyFirebaseMessagingService.java 中有两种通知构建器，一种传递名为 'lecture_date' 的字符串，并在单击时打开 Lectures_graph.class，而另一种传递名为 'web_url' 的字符串，并在单击时打开 webview_base.class。

我想要实现的目标是：即使应用程序被关闭，也要完全工作的 FCM 通知，通知在单击后必须打开活动（带有额外信息）。

我目前的进展：我可以接收通知以打开 Lectures_graph.class，并带有意图附加项，一切都加载并正常工作。即使我接收到打开 webview_base.class 活动的通知，单击通知时什么都不会发生。

可能有一件事情指向问题 - Logcat 经常告诉我：

E/FirebaseMessaging: 通知挂起意图已取消

我使用 PHP 发送通知（该代码是 100% 正确和工作的），下面的代码代表了发送给 webview_base.class 活动的 JSON 的想法。要发送通知以打开 Lectures_graph.class 活动，我只需将 click_action 从 "OPEN_ACTIVITY_WEBVIEW" 更改为 "OPEN_ACTIVITY_LECTURES" 并更改数据有效载荷。用于 webview_base.class 活动的 PHP 发送这样的数据：

  1. $msg = array
  2.     (
  3.         'body'  => 'test body',
  4.         'title'     => "test title",
  5.         'click_action' => 'OPEN_ACTIVITY_WEBVIEW',
  6.         'channelId' => "newsfeed",
  7.         'vibrate'   => 1,
  8.         'sound'     => 1
  9.         
  10.     );
  13. //通过主题发送通知
  14. $fields = array
  15.     (
  16.         "data" => [
  17.             'web_url' => $_POST['notification_url']
  18.         ],
  19.         'notification'          => $msg,
  20.         'to'  => '/topics/test'
  21.     );

这是我的整个 Android Studio 清单文件：

  1. <?xml version="1.0" encoding="utf-8"?>
  2. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
  3.     xmlns:tools="http://schemas.android.com/tools"
  4.     package="secret">
  6.     <uses-permission android:name="android.permission.INTERNET" />
  7.     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
  8.     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
  9.     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
  10.     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT"/>
  11.     <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
  12.     <uses-permission android:name="android.permission.WAKE_LOCK" />
  14.     <supports-screens
  15.         android:smallScreens="true"
  16.         android:normalScreens="true"
  17.         android:largeScreens="true"
  18.         android:anyDensity="true" />
  20.     <application
  21.         android:allowBackup="false"
  22.         android:icon="@mipmap/ic_launcher"
  23.         android:label="@string/app_name"
  24.         android:roundIcon="@mipmap/ic_launcher_round"
  25.         android:theme="@style/AppTheme.CustomTheme"
  26.         android:usesCleartextTraffic="true"
  27.         tools:targetApi="m">
  29.         <activity
  30.             android:name=".systems.webview_activity.webview_base"
  31.             android:configChanges="orientation|screenSize">
  32.             <intent-filter>
  33.                 <category android:name="android.intent.category.BROWSABLE" />
  34.                 <action android:name="android.intent.action.VIEW" />
  35.                 <data android:scheme="file" />
  36.                 <data android:mimeType="*/*" />
  37.                 <data android:pathPattern=".*\.kdb" />
  38.                 <data android:host="*" />
  40.                 <!-- 即使此方法适用于 Lectures_graph 活动，但对于此方法无效 -->
  41.                 <action android:name="OPEN_ACTIVITY_WEBVIEW" />
  42.                 <category android:name="android.intent.category.DEFAULT" />
  43.             </intent-filter>
  44.         </activity>
  45.         <activity
  46.             android:name=".systems.lectures.Lectures_graph"
  47.             android:configChanges="keyboardHidden|screenSize"
  48.             android:label="@string/title_lectures_graph"
  49.             >
  50.             <intent-filter>
  52.                 <!-- 此意图过滤器对于提供在我的 PHP 文件中的 click_action 的正确响应 -->
  53.                 <action android:name="OPEN_ACTIVITY_LECTURES" />
  54.                 <action android:name="android.intent.action.CREATE_SHORTCUT" />
  55.                 <category android:name="android.intent.category.DEFAULT" />
  56.             </intent-filter>
  57.         </activity>
  58.         <activity
  59.             android:name=".SplashScreen"
  60.             android:configChanges="keyboardHidden|orientation|screenSize" >
  61.             <intent-filter>
  62.                 <action android:name="android.intent.action.MAIN" />
  63.                 <category android:name="android.intent.category.LAUNCHER" />
  64.             </intent-filter>
  65.         </activity>
  66.         <activity
  67.             android:name=".NoInternetConnection"
  68.             android:configChanges="keyboardHidden|orientation|screenSize" />
  69.         <activity
  70.             android:name="secret.systems.about.about_app"
  71.             android:configChanges="orientation|keyboardHidden|screenSize"
  72.             android:theme="@style/FullscreenTheme" />
  73.         <activity
  74.             android:name=".MainActivity"
  75.             android:launchMode="singleTask"
  76.             android:configChanges="orientation|keyboardHidden|screenSize">
  77.         </activity>
  79.         <service
  80.             android:name="secret.services.MyFirebaseMessagingService"
  81.             android:enabled="true"
  82.             android:exported="false">
  83.             <intent-filter>
  84.                 <action android:name="com.google.firebase.MESSAGING_EVENT" />
  85.             </intent-filter>
  86.         </service>
  87.     </application>
  89. </manifest>

MyFirebaseMessagingService.java：

  1. public class MyFirebaseMessagingService extends FirebaseMessagingService {
  3.     private static final String TAG = "MyFirebaseMsgService";
  5.     @Override
  6.     public void onMessageReceived(RemoteMessage remoteMessage) {
  8.         // 检查消息是否包含通知负载。
  9.         if (remoteMessage.getNotification() != null) {
  10.             Log.d(TAG, "Message Notification Body: " + remoteMessage.getNotification().getBody());
  12.             // 从通知中获取键/值
  13.             String lectureDate = remoteMessage.getData().get("lecture_date");
  14.             String web_url = remoteMessage.getData().get("web_url");
  16.             if(lectureDate != null)sendLecturesNotification(remoteMessage.getNotification().getTitle(), remoteMessage.getNotification().getBody(), lectureDate);
  17.             else if(web_url != null) sendNotificationWithURL(remoteMessage.getNotification().getTitle(), remoteMessage.getNotification().getBody(), web_url);
  18.             else Log.e(TAG, "Message.notification is empty!");
  19.         }
  20.     }
  22.     @Override
  23.     public void onNewToken(@NonNull String token) {
  24.         Log.d
  26. <details>
  27. <summary>英文:</summary>
  29. I have 2 kinds of notification builders in my MyFirebaseMessagingService.java, one passes string called &#39;lecture_date&#39; and opens Lectures_graph.class while the other one passes string called &#39;web_url&#39; and opens webview_base.class when clicked.
  31. What i want to achieve : fully working FCM notifications even when app is killed, notifications must open activity (with extras) once they are clicked.
  33. How far i am : I can receive notifications to open Lectures_graph.class with intent extras, everything loads and works just fine. Even if i receive notifications for webview_base.class activity, nothing happens when i click on notification. 
  35. There might be one thing that points to problem - Logcat often tells me this :
  37.     E/FirebaseMessaging: Notification pending intent canceled
  39. Im using PHP to send out notifications (that code is 100% correct and working), code below shows represents the idea of JSON sent out for webview_base.class activity. To send out notifications for Lectures_graph.class activity, i just have to swap click_action from &quot;OPEN_ACTIVITY_WEBVIEW&quot; to &quot;OPEN_ACTIVITY_LECTURES&quot; and change the data payload. PHP for webview_base.class activity sends away such data :
  41.     $msg = array
  42.     	(
  43.     		&#39;body&#39;  =&gt; &#39;test body&#39;,
  44.     	    &#39;title&#39;     =&gt; &quot;test title&quot;,
  45.     	    &#39;click_action&#39; =&gt; &#39;OPEN_ACTIVITY_WEBVIEW&#39;,
  46.     	    &#39;channelId&#39; =&gt; &quot;newsfeed&quot;,
  47.     	    &#39;vibrate&#39;   =&gt; 1,
  48.     	    &#39;sound&#39;		=&gt; 1
  49.     	    
  50.     	);
  51.     
  52.     
  53.     //sends notifications via topics
  54.     $fields = array
  55.     	(
  56.     	    &quot;data&quot; =&gt; [
  57.     	        &#39;web_url&#39; =&gt; $_POST[&#39;notification_url&#39;]
  58.     	    ],
  59.     	    &#39;notification&#39;          =&gt; $msg,
  60.     	    &#39;to&#39;  =&gt; &#39;/topics/test&#39;
  61.     	);
  63. This is my whole manifest file from Android studio :
  66.     &lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;&lt;manifest xmlns:android=&quot;http://schemas.android.com/apk/res/android&quot;
  67.         xmlns:tools=&quot;http://schemas.android.com/tools&quot;
  68.         package=&quot;secret&quot;&gt;
  69.         
  70.         
  71.         &lt;uses-permission android:name=&quot;android.permission.INTERNET&quot; /&gt;
  72.         &lt;uses-permission android:name=&quot;android.permission.WRITE_EXTERNAL_STORAGE&quot; /&gt;
  73.         &lt;uses-permission android:name=&quot;android.permission.READ_EXTERNAL_STORAGE&quot; /&gt;
  74.         &lt;uses-permission android:name=&quot;android.permission.ACCESS_NETWORK_STATE&quot; /&gt;
  75.         &lt;uses-permission android:name=&quot;com.android.launcher.permission.INSTALL_SHORTCUT&quot;/&gt;
  76.         &lt;uses-permission android:name=&quot;com.google.android.c2dm.permission.RECEIVE&quot; /&gt;
  77.         &lt;uses-permission android:name=&quot;android.permission.WAKE_LOCK&quot; /&gt;
  78.         
  79.         &lt;supports-screens
  80.             android:smallScreens=&quot;true&quot;
  81.             android:normalScreens=&quot;true&quot;
  82.             android:largeScreens=&quot;true&quot;
  83.             android:anyDensity=&quot;true&quot; /&gt;
  84.         
  85.         &lt;application
  86.             android:allowBackup=&quot;false&quot;
  87.             android:icon=&quot;@mipmap/ic_launcher&quot;
  88.             android:label=&quot;@string/app_name&quot;
  89.             android:roundIcon=&quot;@mipmap/ic_launcher_round&quot;
  90.             android:theme=&quot;@style/AppTheme.CustomTheme&quot;
  91.             android:usesCleartextTraffic=&quot;true&quot;
  92.             tools:targetApi=&quot;m&quot;&gt;
  93.             &lt;activity
  94.                 android:name=&quot;.systems.webview_activity.webview_base&quot;
  95.                 android:configChanges=&quot;orientation|screenSize&quot;&gt;
  96.                 &lt;intent-filter&gt;
  97.                     &lt;category android:name=&quot;android.intent.category.BROWSABLE&quot; /&gt;
  98.                     &lt;action android:name=&quot;android.intent.action.VIEW&quot; /&gt;
  99.                     &lt;data android:scheme=&quot;file&quot; /&gt;
  100.                     &lt;data android:mimeType=&quot;\*/\*&quot; /&gt;
  101.                     &lt;data android:pathPattern=&quot;.*\\.kdb&quot; /&gt;
  102.                     &lt;data android:host=&quot;*&quot; /&gt;
  103.         
  104.     
  105.     //even if this method worked with Lectures_graph activity
  106.     //it doesnt work with this one
  107.     
  108.                     &lt;action android:name=&quot;OPEN_ACTIVITY_WEBVIEW&quot; /&gt;
  109.                     &lt;category android:name=&quot;android.intent.category.DEFAULT&quot; /&gt;
  110.                 &lt;/intent-filter&gt;
  111.             &lt;/activity&gt;
  112.             &lt;activity
  113.                 android:name=&quot;.systems.lectures.Lectures_graph&quot;
  114.                 android:configChanges=&quot;keyboardHidden|screenSize&quot;
  115.                 android:label=&quot;@string/title_lectures_graph&quot;
  116.                 &gt;
  117.                 &lt;intent-filter&gt;
  118.     
  119.     //this intent filter provides correct response
  120.     //to click_action which is provided in my PHP file
  121.     
  122.     
  123.                     &lt;action android:name=&quot;OPEN_ACTIVITY_LECTURES&quot; /&gt;
  124.                     &lt;action android:name = &quot;android.intent.action.CREATE_SHORTCUT&quot; /&gt;
  125.                     &lt;category android:name=&quot;android.intent.category.DEFAULT&quot; /&gt;
  126.                 &lt;/intent-filter&gt;
  127.             &lt;/activity&gt;
  128.             &lt;activity
  129.                 android:name=&quot;.SplashScreen&quot;
  130.                 android:configChanges=&quot;keyboardHidden|orientation|screenSize&quot; &gt;
  131.             &lt;intent-filter&gt;
  132.                 &lt;action android:name=&quot;android.intent.action.MAIN&quot; /&gt;
  133.                 &lt;category android:name=&quot;android.intent.category.LAUNCHER&quot; /&gt;
  134.             &lt;/intent-filter&gt;
  135.             &lt;/activity&gt;
  136.             &lt;activity
  137.                 android:name=&quot;.NoInternetConnection&quot;
  138.                 android:configChanges=&quot;keyboardHidden|orientation|screenSize&quot; /&gt;
  139.             &lt;activity
  140.                 android:name=&quot;secret.systems.about.about_app&quot;
  141.                 android:configChanges=&quot;orientation|keyboardHidden|screenSize&quot;
  142.                 android:theme=&quot;@style/FullscreenTheme&quot; /&gt;
  143.             &lt;activity
  144.                 android:name=&quot;.MainActivity&quot;
  145.                 android:launchMode=&quot;singleTask&quot;
  146.                 android:configChanges=&quot;orientation|keyboardHidden|screenSize&quot;&gt;
  147.         
  148.             &lt;/activity&gt;
  149.         
  150.             &lt;service
  151.                 android:name=&quot;secret.services.MyFirebaseMessagingService&quot;
  152.                 android:enabled=&quot;true&quot;
  153.                 android:exported=&quot;false&quot;&gt;
  154.                 &lt;intent-filter&gt;
  155.                     &lt;action android:name=&quot;com.google.firebase.MESSAGING_EVENT&quot; /&gt;
  156.                 &lt;/intent-filter&gt;
  157.             &lt;/service&gt;
  158.         &lt;/application&gt;
  159.         
  160.         &lt;/manifest&gt;
  162. MyFirebaseMessagingService.java:
  164.     public class MyFirebaseMessagingService extends FirebaseMessagingService {
  165.     
  166.         private static final String TAG = &quot;MyFirebaseMsgService&quot;;
  167.     
  168.         @Override
  169.         public void onMessageReceived(RemoteMessage remoteMessage) {
  170.     
  171.             // Check if message contains a notification payload.
  172.             if (remoteMessage.getNotification() != null) {
  173.                 Log.d(TAG, &quot;Message Notification Body: &quot; + remoteMessage.getNotification().getBody());
  174.     
  175.                 //get key/value from notification
  176.                 String lectureDate = remoteMessage.getData().get(&quot;lecture_date&quot;);
  177.                 String web_url = remoteMessage.getData().get(&quot;web_url&quot;);
  178.     
  179.                 if(lectureDate != null)sendLecturesNotification(remoteMessage.getNotification().getTitle(), remoteMessage.getNotification().getBody(), lectureDate);
  180.                 else if(web_url != null) sendNotificationWithURL(remoteMessage.getNotification().getTitle(), remoteMessage.getNotification().getBody(), web_url);
  181.                 else Log.e(TAG, &quot;Message.notification is empty!&quot;);
  182.             }
  183.         }
  184.     
  185.         @Override
  186.         public void onNewToken(@NonNull String token) {
  187.             Log.d(TAG, &quot;Refreshed token: &quot; + token);
  188.         }
  189.     
  190.         private void sendLecturesNotification(String title,String messageBody, String date) {
  191.     
  192.             Intent intent;
  193.             intent = new Intent(this, Lectures_graph.class).putExtra(&quot;lecture_date&quot;, date).setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
  194.     
  195.             PendingIntent pendingIntent = PendingIntent.getActivity(this, ((int) System.currentTimeMillis()) /* Request code */, intent,
  196.                     0);
  197.     
  198.             String channelId = getString(R.string.lectures_channel_id);
  199.             Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
  200.             NotificationCompat.Builder notificationBuilder =
  201.                     new NotificationCompat.Builder(this, channelId)
  202.                             .setSmallIcon(R.drawable.secret)
  203.                             .setContentTitle(title)
  204.                             .setContentText(messageBody)
  205.                             .setAutoCancel(true)
  206.                             .setSound(defaultSoundUri)
  207.                             .setContentIntent(pendingIntent);
  208.     
  209.             NotificationManager notificationManager =
  210.                     (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
  211.     
  212.             if (notificationManager != null) {
  213.                 notificationManager.notify(((int) System.currentTimeMillis()), notificationBuilder.build());
  214.             }
  215.     
  216.             Log.d(TAG, &quot;Lectures notification built with date:&quot;+date);
  217.         }
  218.     
  219.         private void sendNotificationWithURL(String title, String messageBody, String web_url) {
  220.     
  221.             Intent intent;
  222.             intent = new Intent(this, webview_base.class).putExtra(&quot;web_url&quot;, web_url).setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
  223.     
  224.             PendingIntent pendingIntent = PendingIntent.getActivity(this, ((int) System.currentTimeMillis()) /* Request code */, intent,
  225.                     0);
  226.     
  227.             String channelId = getString(R.string.newsfeed_channel_id);
  228.             Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
  229.             NotificationCompat.Builder notificationBuilder =
  230.                     new NotificationCompat.Builder(this, channelId)
  231.                             .setSmallIcon(R.drawable.secret)
  232.                             .setContentTitle(title)
  233.                             .setContentText(messageBody)
  234.                             .setAutoCancel(true)
  235.                             .setSound(defaultSoundUri)
  236.                             .setContentIntent(pendingIntent);
  237.     
  238.             NotificationManager notificationManager =
  239.                     (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
  240.     
  241.             if (notificationManager != null) {
  242.                 notificationManager.notify(((int) System.currentTimeMillis()), notificationBuilder.build());
  243.             }
  244.     
  245.             Log.d(TAG, &quot;Webview notification built with URL:&quot;+web_url);
  246.         }
  247.     }
  250. a while ago i was getting an error in logcat that said something like &quot;default FCM channel is not defined&quot;, but im not quite sure thats the problem.
  252. Even if i searched across the whole web, i would like to see better solutions/suggestions for notification (with its payload) handling when app is killed.
  254. </details>
  257. # 答案1
  258. **得分**: 0
  260. 这是我修复了噩梦的方法：
  262. 由于我无法从通知中打开多个特定活动，为什么不直接打开我的应用程序主类并从那里处理额外的变量呢？
  264. 不再为每个想要的活动添加以下内容：
  266. ```xml
  267. <intent-filter>
  268.     <action android:name="OPEN_ACTIVITY_???????" />
  269.     <category android:name="android.intent.category.DEFAULT" />
  270. </intent-filter>

我做了这个：

  1. <activity
  2.     android:name=".MainActivity"
  3.     android:launchMode="singleTask"
  4.     android:configChanges="orientation|keyboardHidden|screenSize">
  5.     <intent-filter>
  6.         <action android:name="OPEN_APP" />
  7.         <category android:name="android.intent.category.DEFAULT" />
  8.     </intent-filter>
  9. </activity>

我在通知负载中添加了额外的变量（例如：'activity' => 'webview'），并在我的PHP代码中重命名了click_action。我在MainActivity.class中处理了所有负载，并从那里调用了所需的Android活动。MainActivity 代码：

  1. Bundle extras = getIntent().getExtras();
  2. if(extras == null) {
  3.     Log.e("MainActivity", "No Activities passed in notification extras");
  4. } else {
  5.     //从通知负载中获取要打开的活动
  6.     String activity = extras.getString("activity");
  7.     if( activity != null){
  8.         switch (activity){
  9.             //webview 活动
  10.             case "webview":
  11.                 //获取 webview 的 URL
  12.                 String web_url = extras.getString("web_url");
  13.                 if(web_url != null){
  14.                     finish();
  15.                     startActivity(new Intent(this, webview_base.class).putExtra("web_url", web_url));
  16.                 }
  17.                 break;
  18.             //lectures 活动
  19.             case "lectures":
  20.                 //获取讲座日期
  21.                 String lecture_date = extras.getString("lecture_date");
  22.                 if(lecture_date != null){
  23.                     finish();
  24.                     startActivity(new Intent(this, Lectures_graph.class).putExtra("lecture_date", lecture_date));
  25.                 }
  26.                 break;
  27.         }
  28.     }
  29. }

希望这对某天的某人有所帮助。

干杯！

英文:

So i fixed my nightmare and here is how :

Since i cant open more than one specific activity from notifications, why could i just open my apps main class and handle extra variable from there ?

Instead of having for each wanted activity

  1.    &lt;intent-filter&gt;
  2. &lt;action android:name=&quot;OPEN_ACTIVITY_???????&quot; /&gt;
  3. &lt;category android:name=&quot;android.intent.category.DEFAULT&quot; /&gt;
  4. &lt;/intent-filter&gt;

i made this :

  1. &lt;activity
  2. android:name=&quot;.MainActivity&quot;
  3. android:launchMode=&quot;singleTask&quot;
  4. android:configChanges=&quot;orientation|keyboardHidden|screenSize&quot;&gt;
  5. &lt;intent-filter&gt;
  6. &lt;action android:name=&quot;OPEN_APP&quot; /&gt;
  7. &lt;category android:name=&quot;android.intent.category.DEFAULT&quot; /&gt;
  8. &lt;/intent-filter&gt;
  9. &lt;/activity&gt;

I added extra variable to notifications payload (examle : 'activity' => 'webview') and renamed click_action in my PHP code. I handled all payloads in MainActivity.class and called wanted android activity from there. MainActivity code :

  1. Bundle extras = getIntent().getExtras();
  2. if(extras == null) {
  3. Log.e(&quot;MainActivity&quot;, &quot;No Activities passed in notification extras&quot;);
  4. } else {
  5. //get opening activity from notification payload
  6. String activity = extras.getString(&quot;activity&quot;);
  7. if( activity != null){
  8. switch (activity){
  9. //webview activity
  10. case &quot;webview&quot;:
  11. //gets url for webview
  12. String web_url = extras.getString(&quot;web_url&quot;);
  13. if(web_url != null){
  14. finish();
  15. startActivity(new Intent(this, webview_base.class).putExtra(&quot;web_url&quot;, web_url));
  16. }
  17. break;
  18. //lectures activity
  19. case &quot;lectures&quot;:
  20. //gets lecture date
  21. String lecture_date = extras.getString(&quot;lecture_date&quot;);
  22. if(lecture_date != null){
  23. finish();
  24. startActivity(new Intent(this, Lectures_graph.class).putExtra(&quot;lecture_date&quot;, lecture_date));
  25. }
  26. break;
  27. }
  28. }
  29. }

Hope this helps someone, someday..

Cheers.

huangapple
  • 本文由 发表于 2020年8月4日 01:07:48
  • 转载请务必保留本文链接：https://go.coder-hub.com/63233910.html
  • android
  • firebase
  • firebase-cloud-messaging
  • java
  • php
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