如何打开单击通知时打开的当前活动

Question

我尝试了所有方法,但它对我不起作用.我想在点击通知的同时打开或恢复打开任何屏幕的应用程序.

我使用以下方法:

NotificationCompat.BigTextStyle notiStyle = new NotificationCompat.BigTextStyle();
        notiStyle.setBigContentTitle(team);
        notiStyle.bigText(message);

        Intent resultIntent = new Intent(this, MainDrawerActivity.class);
        resultIntent.putExtra("fromNotification", "notification");

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


        TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);



        stackBuilder.addNextIntent(resultIntent);


        PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,
                PendingIntent.FLAG_UPDATE_CURRENT);

        int icon = R.mipmap.ic_launcher;


        return new NotificationCompat.Builder(this).setSmallIcon(icon)
                .setAutoCancel(true)

                .setContentIntent(resultPendingIntent).setContentTitle(team)
                .setContentText(message).setStyle(notiStyle).build(); 

Answer 1

要在不启动任何新活动的情况下将应用程序提升到前台,请启动其启动器意图.

这种方法来自我的一个旧项目.

/**
 * Creates a new launcher intent, equivalent to the intent generated by
 * clicking the icon on the home screen.
 *
 * @return the launcher intent
 */
public static Intent newLauncherIntent(final Context context) {
    final Intent intent = new Intent(context, MainActivity.class);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.setAction(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);
    return intent;
}

如果应用程序正在运行,此方法创建的意图不会启动新任务,即使它具有该标志.

这是获取启动器意图的另一种方法.但是,我发现这个意图总会启动一个新任务,如果应用程序正在运行,这不是你想要的.

final Intent intent = context.getPackageManager()
        .getLaunchIntentForPackage(BuildConfig.APPLICATION_ID);

Answer 2

//I am using write now this can possible    
  NotificationManager notificationManager = (NotificationManager) context
                .getSystemService(Context.NOTIFICATION_SERVICE);
        Notification notification = new Notification(icon, message, when);

        Intent notificationIntent = new Intent(context, HomeActivity.class);

        notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
                | Intent.FLAG_ACTIVITY_SINGLE_TOP);

        PendingIntent intent = PendingIntent.getActivity(context, 0,
                notificationIntent, 0);

        notification.setLatestEventInfo(context, title, message, intent);
        notification.flags |= Notification.FLAG_AUTO_CANCEL;
        notificationManager.notify(0, notification);