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我在Firebase控制檯上創建了一個項目。我已經在Firebase控制檯上註冊了該軟件包，但是我無法從日誌中獲取任何令牌，甚至無法在應用程序中點擊LOG TOKEN按鈕。FCM演示無法獲取令牌
然後我嘗試使用Firebase控制檯發送消息，並將其設置爲定位到我的應用程序包名稱。我沒有收到來自日誌的任何傳入消息。
代碼：
MainActivity.java
public class MainActivity extends AppCompatActivity {
private final String TAG = "HelloJni";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Intent intent = new Intent(this, RegistrationIntentService.class);
startService(intent);
// Example of a call to a native method
TextView tv = (TextView) findViewById(R.id.sample_text);
tv.setText(stringFromJNI());
if (getIntent().getExtras() != null) {
for (String key : getIntent().getExtras().keySet()) {
Object value = getIntent().getExtras().get(key);
Log.d(TAG, "Key: " + key + " Value: " + value);
}
}
// [END handle_data_extras]
Button subscribeButton = (Button) findViewById(R.id.subscribeButton);
subscribeButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// [START subscribe_topics]
FirebaseMessaging.getInstance().subscribeToTopic("news");
// [END subscribe_topics]
// Log and toast
String msg = getString(R.string.msg_subscribed);
Log.d(TAG, msg + ", " + FirebaseInstanceId.getInstance().getToken());
Toast.makeText(MainActivity.this, msg, Toast.LENGTH_SHORT).show();
}
});
}
RegistrationIntentService.java
public class RegistrationIntentService extends IntentService {
private static final String TAG = "RegIntentService";
public RegistrationIntentService() {
super(TAG);
}
@Override
protected void onHandleIntent(Intent intent) {
String token = FirebaseInstanceId.getInstance().getToken();
Log.i(TAG, "FCM Registration Token: " + token);
}
}
MyFirebaseInstanceIDService.java
public class MyFirebaseInstanceIDService extends FirebaseInstanceIdService {
private static final String TAG = "MyFirebaseIIDService";
@Override
public void onCreate() {
super.onCreate();
Log.e(TAG, "oncreate.........");
}
/**
* Called if InstanceID token is updated. This may occur if the security of
* the previous token had been compromised. Note that this is called when the InstanceID token
* is initially generated so this is where you would retrieve the token.
*/
// [START refresh_token]
@Override
public void onTokenRefresh() {
Log.e(TAG, "onTokenRefresh call...");
// Get updated InstanceID token.
Intent intent = new Intent(this, RegistrationIntentService.class);
startService(intent);
String refreshedToken = FirebaseInstanceId.getInstance().getToken();
Log.d(TAG, "Refreshed token: " + refreshedToken);
// If you want to send messages to this application instance or
// manage this apps subscriptions on the server side, send the
// Instance ID token to your app server.
sendRegistrationToServer(refreshedToken);
}
// [END refresh_token]
/**
* Persist token to third-party servers.
*
* Modify this method to associate the user's FCM InstanceID token with any server-side account
* maintained by your application.
*
* @param token The new token.
*/
private void sendRegistrationToServer(String token) {
Log.d(TAG, " sendRegistrationToServer Refreshed token: " + token);
// TODO: Implement this method to send token to your app server.
}
}
MyFirebaseMessagingService.java
public class MyFirebaseMessagingService extends FirebaseMessagingService {
private static final String TAG = "MyFirebaseMsgService";
@Override
public void onCreate() {
super.onCreate();
Log.e(TAG, "oncreate..........");
}
/**
* Called when message is received.
*
* @param remoteMessage Object representing the message received from Firebase Cloud Messaging.
*/
// [START receive_message]
@Override
public void onMessageReceived(RemoteMessage remoteMessage) {
// [START_EXCLUDE]
// There are two types of messages data messages and notification messages. Data messages are handled
// here in onMessageReceived whether the app is in the foreground or background. Data messages are the type
// traditionally used with GCM. Notification messages are only received here in onMessageReceived when the app
// is in the foreground. When the app is in the background an automatically generated notification is displayed.
// When the user taps on the notification they are returned to the app. Messages containing both notification
// and data payloads are treated as notification messages. The Firebase console always sends notification
// messages. For more see: https://firebase.google.com/docs/cloud-messaging/concept-options
// [END_EXCLUDE]
// TODO(developer): Handle FCM messages here.
Log.d(TAG, "From: " + remoteMessage.getFrom());
// Check if message contains a data payload.
if (remoteMessage.getData().size() > 0) {
Log.d(TAG, "Message data payload: " + remoteMessage.getData());
}
// Check if message contains a notification payload.
if (remoteMessage.getNotification() != null) {
Log.d(TAG, "Message Notification Body: " + remoteMessage.getNotification().getBody());
}
// Also if you intend on generating your own notifications as a result of a received FCM
// message, here is where that should be initiated. See sendNotification method below.
}
// [END receive_message]
/**
* Create and show a simple notification containing the received FCM message.
*
* @param messageBody FCM message body received.
*/
private void sendNotification(String messageBody) {
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_ONE_SHOT);
Uri defaultSoundUri= RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
.setContentTitle("FCM Message")
.setContentText(messageBody)
.setAutoCancel(true)
.setSound(defaultSoundUri)
.setContentIntent(pendingIntent);
NotificationManager notificationManager =
(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(0 /* ID of notification */, notificationBuilder.build());
}
}
AndroidManifest.xml中
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme" >
<activity android:name="com.example.hellojni.MainActivity" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service
android:name="MyFirebaseMessagingService">
<intent-filter>
<action android:name="com.google.firebase.MESSAGING_EVENT"/>
</intent-filter>
</service>
<service
android:name="MyFirebaseInstanceIDService">
<intent-filter>
<action android:name="com.google.firebase.INSTANCE_ID_EVENT"/>
</intent-filter>
</service>
<service android:name="RegistrationIntentService" ></service>
</application>
OnCreate()爲MyFirebaseInstanceIDService和MyFirebaseMessagingService不叫，和令牌返回null。
日誌：
02-20 18:05:28.273 23322-23322 W/InstanceID/Rpc: Failed to resolve REGISTER intent, falling back
02-20 18:05:28.273 23322-23322 W/InstanceID/Rpc: Both Google Play Services and legacy GSF package are missing
02-20 18:05:28.273 23322-23322 W/InstanceID/Rpc: Failed to resolve REGISTER intent, falling back
02-20 18:05:28.273 23322-23322 W/InstanceID/Rpc: Both Google Play Services and legacy GSF package are missing
02-20 18:05:28.273 23322-23322 D/HelloJni: Subscribed to news topic, null