1.當繼承TabActivity時,同學們是不是onKeyDown方法沒用,那是應爲衝突了,可以用dispatchKeyEvent方法
public boolean dispatchKeyEvent(KeyEvent event) {
if(event.getKeyCode()==KeyEvent.KEYCODE_BACK){
return false;
}
else{
// TODO Auto-generated method stub
return super.dispatchKeyEvent(event);
}
}
2.也可以到TabActivity的子Activity用onKeyDown
3.當有雙重TabActivity時可以用
public boolean onKeyDown(int keyCode, KeyEvent event) {
if(keyCode==KeyEvent.KEYCODE_BACK && event.getRepeatCount()==0){
TouchListenerUtils.Back(this.getParent().getParent());
return false;
}else{
return super.onKeyDown(keyCode, event);
}
}
getParent().是指父類的