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Android 应用程序未打开时,应用程序未收到通知_Android_Google Cloud Messaging_Broadcastreceiver - Fatal编程技术网

Android 应用程序未打开时,应用程序未收到通知

Android 应用程序未打开时,应用程序未收到通知,android,google-cloud-messaging,broadcastreceiver,Android,Google Cloud Messaging,Broadcastreceiver,whatsap等应用程序即使在用户未打开应用程序时也会收到通知。但就我而言,这并没有发生。我收到一个类的通知,该类继承自GcmListenerService,如下所示 public class GCMPushReceiverService extends GcmListenerService { //This method will be called on every new message received @Override public void onMessageReceived(

whatsap等应用程序即使在用户未打开应用程序时也会收到通知。但就我而言,这并没有发生。我收到一个类的通知,该类继承自
GcmListenerService
,如下所示

public class GCMPushReceiverService extends GcmListenerService {


//This method will be called on every new message received
@Override
public void onMessageReceived(String from, Bundle data) {
    //Getting the message from the bundle
    String message = data.getString("message");


    Log.e("msg",message);

    //Displaying a notiffication with the message
     setNotification(message);
    }
}
我发现有类似于
gcmbroadcastereceiver
wakefulbroadcasterreceiver
的东西可能会对我有所帮助。但我对它的实施感到困惑。如果我可以在
WakefulBroadcastReceiver
onReceive()
方法中接收消息,那么我为什么要使用
GcmListenerService
?谁能帮助我以正确的方式实施它

我的清单文件如下

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.app">

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />

<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
<uses-permission android:name="com.example.localmarket.permission.C2D_MESSAGE" />
 <application
    android:name="com.example.app"
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:supportsRtl="true"

   <activity android:name=".SplashActivity"
         android:theme="@style/Theme.Transparent"
        android:screenOrientation="portrait">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
   <!--   GCM Receiver -->
    <receiver
        android:name="com.google.android.gms.gcm.GcmReceiver"
        android:exported="true"
        android:permission="com.google.android.c2dm.permission.SEND">
        <intent-filter>
            <action android:name="com.google.android.c2dm.intent.RECEIVE" />

            <!--<category android:name="com.gnirt69.gcmexample" />-->
        </intent-filter>
    </receiver>

    <!--             GCM Receiver Service -->
    <service
        android:name=".GCMPushReceiverService"
        android:exported="false">
        <intent-filter>
            <action android:name="com.google.android.c2dm.intent.RECEIVE" />
        </intent-filter>
    </service>



    <!--             GCM Registration Intent Service -->
    <service
        android:name=".GCMRegistrationIntentService"
        android:exported="false">
        <intent-filter>
            <action android:name="com.google.android.gms.iid.InstanceID" />
        </intent-filter>
    </service>


</application>
</manifest>


我认为fcm应该有一些后端更改。因此,我现在无法迁移到fcm。

可能重复尝试迁移到fcm,它很容易使用,而且非常简单。我认为应该对fcm进行一些后端更改。因此,我现在不能使用它。那么你能帮我解决这个问题吗?GCM和FCM应用服务器是一样的。您唯一可以更改的是向其发出请求的url,但您甚至不必更改。在客户端开始使用FCM时,不需要进行后端更改。服务器端的GCM可以向使用FCM的客户端发送消息。