Question

我正在尝试通过运行两个不同的活动来发出一个通知，其中有两个按钮可以执行两个不同的操作。通知及其按钮显示在通知栏上，但是按下任一按钮都无法启动指定的活动。

以下是代码：

private void addNotification() {
    int requestID = (int) System.currentTimeMillis();

    NotificationCompat.Builder builder = (android.support.v7.app.NotificationCompat.Builder) new NotificationCompat.Builder(this)
            .setSmallIcon(R.drawable.ibutton)
            .setContentTitle("Timer running..")
            .setContentText(timerString);

    Intent notificationIntent = new Intent(this, MainActivity.class);
    PendingIntent contentIntent = PendingIntent.getActivity(this, requestID, notificationIntent,
            PendingIntent.FLAG_UPDATE_CURRENT);
    builder.setContentIntent(contentIntent);

    //Add buttons to notification
    //First make the intent
    Intent pauseIntent = new Intent(this, pauseActivity.class);
    //Wrap it in pending intent to trigger later
    PendingIntent pausePendingIntent = PendingIntent.getActivity(this, requestID, pauseIntent, PendingIntent.FLAG_UPDATE_CURRENT);
    //Then add the action to your notification
    builder.addAction(R.drawable.pause, "Pause", pausePendingIntent);

    //Same again for stop button
    Intent stopIntent = new Intent(this, stopActivity.class);
    PendingIntent stopPendingIntent = PendingIntent.getActivity(this, requestID, stopIntent, PendingIntent.FLAG_UPDATE_CURRENT);
    builder.addAction(R.drawable.stop, "Stop", stopPendingIntent);

    // Add as notification
    NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    int mNotificationId = 001;
    notificationManager.notify(mNotificationId, builder.build());


}

编辑：我尝试启动的其中一项活动的示例：

public class stopActivity {
  public stopActivity() {
    MainActivity.stopped = true;
  }
}

如果有更简单的方法可以简单地从通知栏中的按钮更改MainActivity中变量的值，那么我也很想听到，但据我所知，唯一的选择是启动一项新活动

Answer 1

编辑：我尝试启动的其中一项活动的示例：

public class stopActivity {public stopActivity（）{       MainActivity.stopped = true; }}

这不是Activity。 Activity extends Activity！

这只是一个POJO课程，你无法按照你PendingIntent的方式开始它。

只需使用Intent MainActivity {＆＃34;额外＆＃34;改变它的价值。这是一个例子：

Intent pauseIntent = new Intent(this, MainActivity.class);
pauseIntent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
pauseIntent.putExtra("pause", true);
PendingIntent pausePendingIntent = PendingIntent.getActivity(this, requestID, pauseIntent, PendingIntent.FLAG_UPDATE_CURRENT);
//Then add the action to your notification
builder.addAction(R.drawable.pause, "Pause", pausePendingIntent);

然后，在MainActivity.onNewIntent()：

if (intent.hasExtra("pause")) {
    this.paused = true; // whatever you want to do when "pause" is pressed
}

通知按钮（.addaction）未启动活动

1 个答案: