我想在我的Android应用程序中使用音量按钮。我被告知海豚浏览器这样做。谁知道怎么做?
答案 0 :(得分:34)
我想它看起来像这样:
public boolean onKeyDown(int keyCode, KeyEvent event)
{
if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN || keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
// Do your thing
return true;
} else {
return super.onKeyDown(keyCode, event);
}
}
答案 1 :(得分:29)
在你的活动中,
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
int keyCode = event.getKeyCode();
switch (keyCode) {
case KeyEvent.KEYCODE_VOLUME_UP:
case KeyEvent.KEYCODE_VOLUME_DOWN:
return true;
default:
return super.dispatchKeyEvent(event);
}
}