android 拦截back键
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_BACK:
// 此处写拦截操作
return true;
}
return super.onKeyDown(keyCode, event);
}
@Override
public void onBackPressed() {
//此处写拦截操作
//super.onBackPressed(); 根据实际需要保留此处代码
}