抓住滑动以关闭事件 [英] catch on swipe to dismiss event

问题描述

我正在使用 android 通知在服务完成(成功或失败)后提醒用户，并且我想在该过程完成后删除本地文件.

I'm using an android notification to alert the user once a service is finished (success or failure), and I want to delete local files once the process is done.

我的问题是在失败的情况下 - 我想让用户有一个重试"选项.如果他选择不重试并取消通知，我想删除为处理目的而保存的本地文件(图像...).

My problem is that in the event of failure - I want to let the user a "retry" option. and if he chooses not to retry and to dismiss the notification I want to delete local files saved for the process purposes (images...).

有没有办法捕捉通知的滑动关闭事件?

Is there a way to catch the notification's swipe-to-dismiss event?

推荐答案

DeleteIntent:DeleteIntent 是一个 PendingIntent 对象，它可以与通知关联，并在通知被删除时被触发，以太:

DeleteIntent: DeleteIntent is a PendingIntent object that can be associated with a notification and gets fired when the notification gets deleted, ether by :

• 用户特定操作
• 用户删除所有通知.

您可以将 Pending Intent 设置为广播接收器，然后执行您想要的任何操作.

You can set the Pending Intent to a broadcast Receiver and then perform any action you want.

  Intent intent = new Intent(this, MyBroadcastReceiver.class);
  PendingIntent pendingIntent = PendingIntent.getBroadcast(this.getApplicationContext(), 0, intent, 0);
  Builder builder = new Notification.Builder(this):
 ..... code for your notification
  builder.setDeleteIntent(pendingIntent);

MyBroadcastReceiver

public class MyBroadcastReceiver extends BroadcastReceiver {
      @Override
      public void onReceive(Context context, Intent intent) {
             .... code to handle cancel
         }

  }

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