Question

我有一个音乐播放器以前运行正常。但是，现在升级后，每次我将一个简单的项添加到布局中，如下所示。当我尝试播放歌曲时应用程序会崩溃。我必须清理项目并重新运行，它会起作用。重新运行后，我删除了代码，当我尝试播放时它会再次崩溃。然后我需要再次清理项目才能再次工作。

    <Button android:id="@+id/btnTest"
        android:layout_width="250dp"
        android:layout_height="wrap_content"
        android:text="This is a test"
        android:layout_marginLeft="15dp"
        android:layout_below="@+id/btnTest2"
        />

我尝试与gradle文件同步但它不起作用。我得到的错误是

致命的例外：主要过程：com.musicplayer，PID：30487 android.app.RemoteServiceException：从com.musicplayer包发布的错误通知：无法展开RemoteViews：StatusBarNotification（pkg = com.musicplayer user = UserHandle {0} id = 11 tag = null score = 0 key = 0 | com.musicplayer | 11 | null | 10506：通知（pri = 0 contentView = com.musicplayer / 0x7f040039 vibrate = null sound = null defaults = 0x20 flags = 0x2 color = 0x00000000 vis = PRIVATE））在android.app.ActivityThread $ H.handleMessage（ActivityThread.java:1466）在android.os.Handler.dispatchMessage（Handler.java:102）在android.os.Looper.loop（Looper.java:135）在android.app.ActivityThread.main（ActivityThread.java:5254） at java.lang.reflect.Method.invoke（Native Method）在java.lang.reflect.Method.invoke（Method.java:372）在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run（ZygoteInit.java:903）在com.android.internal.os.ZygoteInit.main（ZygoteInit.java:698）

这是我的远程通知方法

public void showNotification() {
    PendingIntent pendingIntent;
    Intent intent;

    notificationView.setTextViewText(R.id.notify_song_name, mListSongs.get(SONG_POS).getSongName());

    intent = new Intent(ACTION_STOP);
    pendingIntent = PendingIntent.getService(getApplicationContext(), REQUEST_CODE_STOP, intent, PendingIntent.FLAG_UPDATE_CURRENT);
    notificationView.setOnClickPendingIntent(R.id.notify_btn_stop, pendingIntent);

    intent = new Intent(ACTION_PREVIOUS);
    pendingIntent = PendingIntent.getService(getApplicationContext(), REQUEST_CODE_PREVIOUS, intent, PendingIntent.FLAG_UPDATE_CURRENT);
    notificationView.setOnClickPendingIntent(R.id.notify_btn_previous, pendingIntent);

    intent = new Intent(ACTION_NEXT);
    pendingIntent = PendingIntent.getService(getApplicationContext(), REQUEST_CODE_NEXT, intent, PendingIntent.FLAG_UPDATE_CURRENT);
    notificationView.setOnClickPendingIntent(R.id.notify_btn_next, pendingIntent);

    intent = new Intent(ACTION_PAUSE);
    pendingIntent = PendingIntent.getService(getApplicationContext(), REQUEST_CODE_PAUSE, intent, PendingIntent.FLAG_UPDATE_CURRENT);
    notificationView.setOnClickPendingIntent(R.id.notify_btn_pause, pendingIntent);

    intent = new Intent(ACTION_PLAY);
    pendingIntent = PendingIntent.getService(getApplicationContext(), REQUEST_CODE_PLAY, intent, PendingIntent.FLAG_UPDATE_CURRENT);
    notificationView.setOnClickPendingIntent(R.id.notify_btn_play, pendingIntent);

    intent = new Intent(this, MusicPlayerActivity.class);
    intent.setAction(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);
    pendingIntent = PendingIntent.getActivity(this, 0,intent, 0);

    mNotification = notificationBuilder
            .setSmallIcon(R.drawable.app_icon).setOngoing(true)
            .setWhen(System.currentTimeMillis())
           .setContentIntent(pendingIntent)
            .setContent(notificationView)
            .setDefaults(Notification.FLAG_NO_CLEAR)
            .build();
    notificationManager.notify(NOTIFICATION_ID, mNotification);
}

升级后的Android Studio问题

0 个答案: