android常用控件总结(11)

android 常用控件总结

DisplayToast("按下：右方向键");

break;

}

return super.onKeyDown(keyCode, event);

}

/* 按键弹起所触发的事件*/

public boolean onKeyUp(int keyCode, KeyEvent event){

switch (keyCode){

case KeyEvent.KEYCODE_DPAD_CENTER:

DisplayToast("弹起：中键");

break;

case KeyEvent.KEYCODE_DPAD_UP:

DisplayToast("弹起：上方向键");

break;

case KeyEvent.KEYCODE_DPAD_DOWN:

DisplayToast("弹起：下方向键");

break;

case KeyEvent.KEYCODE_DPAD_LEFT:

DisplayToast("弹起：左方向键");

break;

case KeyEvent.KEYCODE_DPAD_RIGHT:

DisplayToast("弹起：右方向键");

break;

}

return super.onKeyUp(keyCode, event);

}

//用于响应按键重复点击，官方API指出onKeyMultiple方法总是返回false,即它没有handle,因此必须重写才能实现-------------------此方法没用过具体情况怎么样不是很清楚？

public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event){

return super.onKeyMultiple(keyCode, repeatCount, event);

}