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Android 应用程序在关闭时未收到 FCM 通知

转载 作者:塔克拉玛干 更新时间:2023-11-01 21:45:39 25 4
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我正在检查 Firebase Cloud Messaging发送通知。已经实现了它,当应用程序处于打开状态时它会收到通知。但如果我关闭应用程序,它就不再发出通知。有什么解决办法吗?

代码:

WebRequest wRequest;
wRequest = WebRequest.Create("https://fcm.googleapis.com/fcm/send");
wRequest.Method = "post";
wRequest.ContentType = " application/json;charset=UTF-8";
wRequest.Headers.Add(string.Format("Authorization: key={0}", AppId));

wRequest.Headers.Add(string.Format("Sender: id={0}", SenderId));

string postData = "{\"registration_ids\":[\"" + regIds + "\"], \"data\": "+ value +"}";

Byte[] bytes = Encoding.UTF8.GetBytes(postData);
wRequest.ContentLength = bytes.Length;

Stream stream = wRequest.GetRequestStream();
stream.Write(bytes, 0, bytes.Length);
stream.Close();

WebResponse wResponse = wRequest.GetResponse();

消息服务-

public class MessagingService extends FirebaseMessagingService {
@Override
public void onMessageReceived(RemoteMessage remoteMessage) {
Map<String, String> data = remoteMessage.getData();
sendNotification(data);
}

public void showMessage(Map<String, String> serverData) {
Intent i = new Intent(this,MainActivity.class);
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

PendingIntent pendingIntent = PendingIntent.getActivity(this,0,i,PendingIntent.FLAG_UPDATE_CURRENT);

NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
.setAutoCancel(true)
.setContentTitle(serverData.get("Title"))
.setContentText(serverData.get("Message"))
.setSmallIcon(R.drawable.common_google_signin_btn_icon_dark)
.setContentIntent(pendingIntent);

NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

manager.notify(Integer.parseInt(serverData.get("ItemId")),builder.build());
}

private void sendNotification(Map<String, String> serverData) {
Intent intent = new Intent(this, MainActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
PendingIntent pendingIntent = PendingIntent.getActivity(this,0 /* request code */, intent,PendingIntent.FLAG_UPDATE_CURRENT);

long[] pattern = {500,500,500,500,500};

Uri defaultSoundUri= RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);

NotificationCompat.Builder notificationBuilder = (NotificationCompat.Builder) new NotificationCompat.Builder(this)
.setSmallIcon(R.drawable.common_google_signin_btn_icon_dark)
.setContentTitle(serverData.get("Title"))
.setContentText(serverData.get("Message"))
.setAutoCancel(true)
.setVibrate(pattern)
.setLights(Color.BLUE,1,1)
.setSound(defaultSoundUri)
.setContentIntent(pendingIntent);

NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(Integer.parseInt(serverData.get("ItemId")), notificationBuilder.build());
}

}

主要 Activity -

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
FirebaseMessaging.getInstance().subscribeToTopic("test");
FirebaseInstanceId.getInstance().getToken();
}
}

list -

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="test.com.firebasenotify">
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>

<service android:name=".MessagingService">
<intent-filter>
<action android:name="com.google.firebase.MESSAGING_EVENT" />
</intent-filter>
</service>
<service android:name=".InstanceIDService">
<intent-filter>
<action android:name="com.google.firebase.INSTANCE_ID_EVENT" />
</intent-filter>
</service>

</application>

</manifest>

最佳答案

代码没有问题。我正在使用 Mi note 4,但不知何故,当应用程序关闭时它不会在 Mi4 中显示通知。我用其他安卓设备测试过,它工作正常。

感谢 Tim Castelijns 和 Frank van Puffelen 参与对话。

关于Android 应用程序在关闭时未收到 FCM 通知,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37856787/

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