KeyboardKeyListener.java 文件源码

@Override
public boolean onKeyDown(View view, Editable content, int keyCode, KeyEvent event) {
    switch (keyCode) {

    case KeyEvent.KEYCODE_ENTER:
        TextKeyListener.clear(content);
        mHidPayload.assemblePayload(HidKeyPair.ENTER);
        mSocketManager.sendPayload(mHidPayload);
        return true;
    case KeyEvent.KEYCODE_DEL:
        mHidPayload.assemblePayload(HidKeyPair.DEL);
        mSocketManager.sendPayload(mHidPayload);
    case KeyEvent.KEYCODE_VOLUME_UP:
    case KeyEvent.KEYCODE_VOLUME_DOWN:
        mHidPayload.assemblePayload(keyCode);
        mSocketManager.sendPayload(mHidPayload);
    default:
        return mTextKeyListener.onKeyDown(view, content, keyCode, event);
    }
}