在自定义通知中执行按钮单击操作：Android

Question

我正在尝试执行一些操作，例如暂停音乐，在 android 中单击自定义通知的按钮时播放音乐。 目前我正在这样做，

    int icon = R.drawable.ic_launcher;
    long when = System.currentTimeMillis();
    Notification notification = new Notification(icon, "Custom Notification", when);

    NotificationManager mNotificationManager = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);

    RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.layout);
    contentView.setTextViewText(R.id.textView1, "Custom notification");
    contentView.setOnClickPendingIntent(R.id.button1, pIntent);
    notification.contentView = contentView;

    Intent notificationIntent = new Intent(this, MainActivity.class);
    PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
    notification.contentIntent = contentIntent;

    notification.flags |= Notification.FLAG_NO_CLEAR; //Do not clear the notification
    notification.defaults |= Notification.DEFAULT_LIGHTS; // LED
    notification.defaults |= Notification.DEFAULT_VIBRATE; //Vibration
    notification.defaults |= Notification.DEFAULT_SOUND; // Sound

    mNotificationManager.notify(1, notification);

但是这个带我去另一个活动。 无论如何要对同一活动实施通知操作。

例如..假设我提出了一个通知，当用户按下它时，它不会带我去一些活动，而是在我当前的活动/服务中调用一些常规方法

Answer 1

首先为您的按钮分配一个意图：

    RemoteViews contentView = new RemoteViews(context.getPackageName(), R.layout.player_notify_layout);
    Intent buttonsIntent = new Intent(context, NotifyActivityHandler.class);
    buttonsIntent.putExtra("do_action", "play");
    contentView.setOnClickPendingIntent(R.id.imgPlayPause, PendingIntent.getActivity(context, 0, buttonsIntent, 0));

然后创建一个活动来处理通知发生的每个动作：

    public class NotifyActivityHandler extends Activity {
           public static final String PERFORM_NOTIFICATION_BUTTON = "perform_notification_button";
           
           @Override
           protected void onCreate(Bundle savedInstanceState) {
               super.onCreate(savedInstanceState);

               String action = (String) getIntent().getExtras().get("do_action");
               if (action != null) {
                   if (action.equals("play")) {
                       // for example play a music
                   } else if (action.equals("close")) {
                       // close current notification
                   }
               }

               finish();
         }
    }

最后，您应该在 AndroidManifest.xml 中定义活动。您也可以查看此link。