23

我有一个应用程序，它有一个持续的通知来帮助记忆。我希望能够使用其中一个操作按钮关闭此通知，但我不想在按下按钮时打开应用程序。我更喜欢使用内置的通知操作按钮，而不是创建 RemoteViews 对象来填充通知。我看到一篇文章提到在我的应用程序中接收到的这个按钮上使用广播接收器，虽然他的教程非常无用，但听起来这是朝着正确的方向发展。

Intent resultIntent = new Intent(getBaseContext(), Dashboard.class);
    TaskStackBuilder stackBuilder = TaskStackBuilder.create(getBaseContext());
        stackBuilder.addParentStack(Dashboard.class);
        stackBuilder.addNextIntent(resultIntent);
        PendingIntent resultPendingIntent =
                stackBuilder.getPendingIntent(
                    0,
                    PendingIntent.FLAG_UPDATE_CURRENT
                );
    Intent cancel = new Intent(getBaseContext(), CancelNotification.class);
        stackBuilder.addParentStack(Dashboard.class);
        stackBuilder.addNextIntent(cancel);
        PendingIntent pendingCancel =
                stackBuilder.getPendingIntent(
                    0,
                    PendingIntent.FLAG_UPDATE_CURRENT
                );

    NotificationCompat.Builder mb = new NotificationCompat.Builder(getBaseContext());
        mb.setSmallIcon(R.drawable.cross_icon);
        mb.setContentTitle(ref);
        mb.setContentText(ver);
        mb.setPriority(NotificationCompat.PRIORITY_LOW);
        mb.setOngoing(true);
        mb.setStyle(new NotificationCompat.BigTextStyle().bigText(ver));
        mb.setContentIntent(resultPendingIntent);
        mb.addAction(R.drawable.ic_cancel_dark, "Dismiss", pendingCancel);

    manager.notify(1, mb.build());
4

2 回答 2

78

从这个开始：

int final NOTIFICATION_ID = 1;

//Create an Intent for the BroadcastReceiver
Intent buttonIntent = new Intent(context, ButtonReceiver.class);
buttonIntent.putExtra("notificationId",NOTIFICATION_ID);

//Create the PendingIntent
PendingIntent btPendingIntent = PendingIntent.getBroadcast(context, 0, buttonIntent,0);

//Pass this PendingIntent to addAction method of Intent Builder
NotificationCompat.Builder mb = new NotificationCompat.Builder(getBaseContext());
.....
.....
.....
mb.addAction(R.drawable.ic_Action, "My Action", btPendingIntent);
manager.notify(NOTIFICATION_ID, mb.build());

创建广播接收器：

public class ButtonReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {

        int notificationId = intent.getIntExtra("notificationId", 0);

        // Do what you want were.
        ..............
        ..............

        // if you want cancel notification
        NotificationManager manager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
        manager.cancel(notificationId);
    }
}

如果您不想在用户单击通知时显示任何活动，请setContentIntent以这种方式定义传入的意图： 

PendingIntent resultPendingIntent = PendingIntent.getActivity(context,  0, new Intent(), 0);
......
......
mb.setContentIntent(resultPendingIntent);

要在单击时关闭通知托盘，请setAutoCancel()在构建通知时调用 true：mb.setAutoCancel(true);

于 2013-11-02T19:09:33.913 回答
5

接受的解决方案不适用于 Android 8.1 及更高版本。

遵循与接受的答案相同的步骤，但更新此行：

//Create the PendingIntent
PendingIntent btPendingIntent = PendingIntent.getBroadcast(context, 0, buttonIntent, PendingIntent.FLAG_UPDATE_CURRENT);

也可以看看PendingIntent.FLAG_UPDATE_CURRENT

于 2019-01-13T09:29:02.697 回答