back建home建的问题

捕获 何种按键的方法：

@Override public boolean onKeyDown(int keyCode, KeyEvent event) {     if (keyCode == KeyEvent.KEYCODE_BACK) {         moveTaskToBack(true);         return true;     }     return super.onKeyDown(keyCode, event); } 

?红色的是要加入。或者你一参考

http://android-developers.blogspot.com/2009/12/back-and-other-hard-keys-three-stories.html使用

@Override
public void onBackPressed() {
// do something on back.
return;
}

捕获back建