在 Android 中单击 Firebase 通知时将数据发送到 activity

Question

在我的应用程序中，我想将 fireBase 用于 notification。
我想在点击通知时（当应用程序关闭时，我的意思是应用程序是 background）用 putExtra 发送数据到 mainActivity.
我写了下面的代码，但是当点击 notification 时（在应用程序中是后台）但是显示 null for getStringExtra !

MyNotificationManager class :

public class MyNotificationManager {

    private Context mCtx;
    private Uri soundUri;
    private static MyNotificationManager mInstance;

    public MyNotificationManager(Context context) {
        mCtx = context;
    }

    public static synchronized MyNotificationManager getInstance(Context context) {
        if (mInstance == null) {
            mInstance = new MyNotificationManager(context);
        }
        return mInstance;
    }

    public void displayNotification(String title, String body) {

        soundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);

        Intent intent = new Intent(mCtx, MainActivity.class);
        intent.putExtra("fcm_notification", "Y");

        PendingIntent pendingIntent = PendingIntent.getActivity(mCtx, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);

        NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mCtx, Constants.NOTIF_CHANNEL_ID)
                .setSmallIcon(R.mipmap.ic_launcher)
                .setContentTitle(title)
                .setSound(soundUri)
                .setAutoCancel(true)
                .setVibrate(new long[]{100, 200, 300, 400, 500, 400, 300, 200, 400})
                .setContentText(body)
                .setContentIntent(pendingIntent);

        NotificationManager mNotifyMgr = (NotificationManager) mCtx.getSystemService(NOTIFICATION_SERVICE);

        if (mNotifyMgr != null) {
            mNotifyMgr.notify(1, mBuilder.build());
        }
    }
}

MyFirebaseMessagingService class :

public class MyFirebaseMessagingService extends FirebaseMessagingService {

    @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        showNotify(remoteMessage.getFrom(), remoteMessage.getNotification().getBody());
    }

    private void showNotify(String title, String body) {
        MyNotificationManager myNotificationManager = new MyNotificationManager(getApplicationContext());
        //myNotificationManager.displayNotification(title, body);
        myNotificationManager.displayNotification(title, body);
    }
}

主要活动class:

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
if (checkIntent()) return;
}

@Override
protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);
    new Handler().postDelayed(new Runnable() {
        @Override
        public void run() {
            checkIntent();
        }
    }, 1000);
}

private boolean checkIntent() {
    String value = getIntent().getStringExtra("fcm_notification");
    Toast.makeText(context, "" + value, Toast.LENGTH_SHORT).show();

    if (value == null) return false;

    if (value.equals("Y")) {
        startActivity(new Intent(this, LandingActivity.class));
        // open one activity.

    } else if (value.equals("another thing")) {
        // open another activity.
    }

    finish();
    return true;
}

当点击通知时（在应用程序上是背景），在 Toast 中显示 null 消息 String value = getIntent().getStringExtra("fcm_notification");

我该如何解决？

Answer 1

从控制台发送通知时，添加来自 'Advanced options' 的自定义数据：

出于某种原因，firebase 不允许密钥以 fcm 开头。您不能使用 fcm_notification。使用不同的密钥。

如上图，领取密钥如下：

String value = getIntent().getStringExtra("test_key");

Answer 2

试试这个：

Intent intent = new Intent(mCtx, MainActivity.class);
intent.putExtra("EXTRA_DATA", title);

并获得：

String value = getIntent().getStringExtra("EXTRA_DATA");

最好换个密钥。此外，您似乎需要从控制台发送数据，然后将数据发送到另一个 Activity.

我已经使用当前通知 title 检查它是否 returns 标题或 not.If 它返回了值，所以，请尝试从控制台发送数据。

在 Android 中单击 Firebase 通知时将数据发送到 activity

Send data to activity when Firebase notification is clicked in Android

java

android

android-intent

android-notifications

firebase