Question

我已经阅读了围绕这个问题的多个问题和答案，但我不能让它们为我工作。

我收到通知，点击后我想将应用程序带到前面并恢复，而不是关闭并重新启动。

这是我的通知代码

    NotificationCompat.Builder mBuilder =
            new NotificationCompat.Builder(this)
            .setSmallIcon(R.drawable.ic_launcher)
            .setContentTitle("example")
            .setContentText("example");
    // Creates an explicit intent for an Activity in your app
    Intent resultIntent = new Intent(this, MainActivity.class);
    resultIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
    // The stack builder object will contain an artificial back stack for the
    // started Activity.
    // This ensures that navigating backward from the Activity leads out of
    // your application to the Home screen.
    TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
    // Adds the back stack for the Intent (but not the Intent itself)
    stackBuilder.addParentStack(MainActivity.class);
    // Adds the Intent that starts the Activity to the top of the stack
    stackBuilder.addNextIntent(resultIntent);
    PendingIntent resultPendingIntent =
            stackBuilder.getPendingIntent(
                0,
                PendingIntent.FLAG_UPDATE_CURRENT
            );
    mBuilder.setContentIntent(resultPendingIntent);
    NotificationManager mNotificationManager =
        (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    int mId = 0;
    // mId allows you to update the notification later on.
    mNotificationManager.notify(mId, mBuilder.build());

在我的清单文件中我有

        android:launchMode="singleTop"

任何人都可以看到出了什么问题吗？虽然通知拒绝恢复应用程序而是重新启动它，但我没有收到任何错误。

Answer 1

使用此修复：

    NotificationCompat.Builder mBuilder =
            new NotificationCompat.Builder(this)
            .setSmallIcon(R.drawable.ic_launcher)
            .setContentTitle("Sound Asleep")
            .setContentText("Click to play and stop sounds");
    // Creates an explicit intent for an Activity in your app
    final Intent notificationIntent = new Intent(this, MainActivity.class);
    notificationIntent.setAction(Intent.ACTION_MAIN);
    notificationIntent.addCategory(Intent.CATEGORY_LAUNCHER);
    // The stack builder object will contain an artificial back stack for the
    // started Activity.
    // This ensures that navigating backward from the Activity leads out of
    // your application to the Home screen.

    // Adds the back stack for the Intent (but not the Intent itself)
    PendingIntent resultPendingIntent = PendingIntent.getActivity(this,0,notificationIntent,PendingIntent.FLAG_UPDATE_CURRENT);

    mBuilder.setContentIntent(resultPendingIntent);
    NotificationManager mNotificationManager =
        (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    int mId = 0;
    // mId allows you to update the notification later on.
    mNotificationManager.notify(mId, mBuilder.build());
}

在清单中

android:launchMode="singleTop"

Answer 2

我最近有一些类似的问题用这个标志改变你的意图标志：

resultIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP);

编辑：并从清单中删除该启动模式。

希望有所帮助

Answer 3

使用以下代码，可能会有所帮助

NotificationCompat.Builder mBuilder =
        new NotificationCompat.Builder(this)
        .setSmallIcon(R.drawable.ic_launcher)
        .setContentTitle("Sound Asleep")
        .setContentText("Click to play and stop sounds");
// Creates an explicit intent for an Activity in your app
final Intent notificationIntent = new Intent(this, MainActivity.class);
notificationIntent.setAction(Intent.ACTION_MAIN);
notificationIntent.addCategory(Intent.CATEGORY_LAUNCHER);
// The stack builder object will contain an artificial back stack for the
// started Activity.
// This ensures that navigating backward from the Activity leads out of
// your application to the Home screen.

// Adds the back stack for the Intent (but not the Intent itself)
PendingIntent resultPendingIntent = PendingIntent.getActivity(this,0,notificationIntent,PendingIntent.FLAG_ACTIVITY_REORDER_TO_FRONT);

mBuilder.setContentIntent(resultPendingIntent);
NotificationManager mNotificationManager =
    (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
int mId = 0;
// mId allows you to update the notification later on.
mNotificationManager.notify(mId, mBuilder.build());

通知恢复应用程序而不是重新启动

3 个答案: