java.lang.IllegalArgumentException: setShowActionsInCompactView: 动作 1 越界(最大 0)

java.lang.IllegalArgumentException: setShowActionsInCompactView: action 1 out of bounds (max 0)

我正在 android 中为广播应用构建媒体样式通知。这是我的通知代码:

NotificationCompat.Action action = new android.support.v4.app.NotificationCompat.Action.Builder(imgNotificationAction, "playPause", pendingIntent).build();
    //create new notification
    NotificationCompat.Builder notificationBuilder = (NotificationCompat.Builder) new NotificationCompat.Builder(this)
            .setShowWhen(false)
            .setStyle(new NotificationCompat.MediaStyle()
                    .setMediaSession(mediaSession.getSessionToken())
                    .setShowActionsInCompactView(0, 1, 2))
            .setColor(ContextCompat.getColor(this, R.color.colorPrimary))
            //.setLargeIcon(largeIcon)
            .setSmallIcon(android.R.drawable.stat_sys_headset)
            .setContentText(radioName)
            .setContentTitle("Igala Radio presents")
            .setContentInfo("Igala language radio")
            .setContentIntent(pendingIntent)
            .addAction(action);

    NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());

但我在 Log cat 中遇到以下异常:

Caused by: java.lang.IllegalArgumentException: setShowActionsInCompactView: action 1 out of bounds (max 0)
                                                                 at android.app.Notification$MediaStyle.makeMediaContentView(Notification.java:4493)
                                                                 at android.app.Notification$MediaStyle.populateContentView(Notification.java:4427)
                                                                 at android.app.Notification$Style.buildStyled(Notification.java:3894)
                                                                 at android.app.Notification$MediaStyle.buildStyled(Notification.java:4415)
                                                                 at android.app.Notification$Builder.build(Notification.java:3638)
                                                                 at android.support.v4.app.NotificationCompatApi21$Builder.build(NotificationCompatApi21.java:132)
                                                                 at android.support.v7.app.NotificationCompat$LollipopExtender.build(NotificationCompat.java:484)
                                                                 at android.support.v4.app.NotificationCompat$NotificationCompatImplApi21.build(NotificationCompat.java:827)
                                                                 at android.support.v4.app.NotificationCompat$Builder.build(NotificationCompat.java:1744)
                                                                 at com.radio.igala.Service.PlayService.buildNotification(PlayService.java:253)
                                                                 at com.radio.igala.Service.PlayService.onStartCommand(PlayService.java:127)
                                                                 at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3216)
                                                                 at android.app.ActivityThread.access00(ActivityThread.java:188) 
                                                                 at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1628) 
                                                                 at android.os.Handler.dispatchMessage(Handler.java:111) 
                                                                 at android.os.Looper.loop(Looper.java:210) 
                                                                 at android.app.ActivityThread.main(ActivityThread.java:5839) 
                                                                 at java.lang.reflect.Method.invoke(Native Method) 
                                                                 at java.lang.reflect.Method.invoke(Method.java:372) 
                                                                 at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1113) 
                                                                 at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:879) 

我想知道为什么它说 action 1 out of bounds (max 0)。这是否意味着我无法在其中添加任何操作?

我认为发生错误是因为您在 setShowActionsInCompactView() 之后定义了操作 (addAction())。

这样,当 notificationBuilder 还没有任何操作时,您正在尝试 setShowActionsInCompactView。也就是说,它的内部数组有0个元素(Max 0)

你能试试这样的东西吗:

NotificationCompat.Builder notificationBuilder = (NotificationCompat.Builder) new NotificationCompat.Builder(this)
        .addAction(action)
        ...
        .setStyle(new NotificationCompat.MediaStyle()
                .setMediaSession(mediaSession.getSessionToken())
                .setShowActionsInCompactView(0, 1, 2))
        ....;

编辑

我发现的另一个错误是:

您只创建了一项操作:

NotificationCompat.Action action = new android.support.v4.app.NotificationCompat.Action.Builder(imgNotificationAction, "playPause", pendingIntent).build();

但是在这里,您设置了 3 个操作:

.setShowActionsInCompactView(0, 1, 2))

操作数 setShowActionsInCompactView() 应与您通过 addAction() 添加的操作数匹配。

您可以添加更多操作(创建新操作并再次调用 addAction() 或仅向 setShowActionsInCompactView() 发送一个参数