我使用以下代码来监听Android软键盘上0-9按键的按下:
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if(keyCode == KeyEvent.KEYCODE_0)
{
return super.onKeyDown(keyCode, event);
}
if(keyCode == KeyEvent.KEYCODE_1)
{
return super.onKeyDown(keyCode, event);
}
if(keyCode == KeyEvent.KEYCODE_2)
{
return super.onKeyDown(keyCode, event);
}
if(keyCode == KeyEvent.KEYCODE_3)
{
return super.onKeyDown(keyCode, event);
}
if(keyCode == KeyEvent.KEYCODE_4)
{
return super.onKeyDown(keyCode, event);
}
if(keyCode == KeyEvent.KEYCODE_5)
{
return super.onKeyDown(keyCode, event);
}
if(keyCode == KeyEvent.KEYCODE_6)
{
return super.onKeyDown(keyCode, event);
}
if(keyCode == KeyEvent.KEYCODE_7)
{
return super.onKeyDown(keyCode, event);
}
if(keyCode == KeyEvent.KEYCODE_8)
{
return super.onKeyDown(keyCode, event);
}
if(keyCode == KeyEvent.KEYCODE_9)
{
Log.d("Keycode", "Got KeyCode 9");
return super.onKeyDown(keyCode, event);
}
return true;
}
当我以以下模式显示软输入键盘时,代码有效:
然而,当我以以下模式显示软输入键盘时,它不起作用:
为什么会这样呢?