简书链接:平板对于的遥控按键响应
文章字数：44,阅读全文大约需要1分钟

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    switch (keyCode) {
        case KeyEvent.KEYCODE_BACK:
            Toast.makeText(this, "返回键", Toast.LENGTH_SHORT).show();
            break;
        case KeyEvent.KEYCODE_MENU:
            Toast.makeText(this, "菜单键盘", Toast.LENGTH_SHORT).show();
            break;
        case KeyEvent.KEYCODE_DPAD_CENTER:
            Toast.makeText(this, "ok键", Toast.LENGTH_SHORT).show();
            break;
        case KeyEvent.KEYCODE_DPAD_DOWN:
            Toast.makeText(this, "频道-", Toast.LENGTH_SHORT).show();
            break;
        case KeyEvent.KEYCODE_DPAD_UP:
            Toast.makeText(this, "频道+", Toast.LENGTH_SHORT).show();
            break;
        case KeyEvent.KEYCODE_DPAD_RIGHT:
            Toast.makeText(this, "方向右", Toast.LENGTH_SHORT).show();
            break;
        case KeyEvent.KEYCODE_VOLUME_DOWN:
            Toast.makeText(this, "音量-", Toast.LENGTH_SHORT).show();
            break;
        case KeyEvent.KEYCODE_VOLUME_UP:
            Toast.makeText(this, "音量+", Toast.LENGTH_SHORT).show();
            break;
        default:
            Toast.makeText(this, "you click  kecode:" + keyCode, Toast.LENGTH_SHORT).show();
            break;
    }

}

https://developer.android.com/tv/