[英]My app crashes when I press navigation item twice using map View
这是我的onNavigationItemSelected方法:
}
像这样做:
int id = item.getItemId();
FragmentTransaction fragmentTransaction;
if (id == R.id.nav_sports) {
fragment = new FragmentOne();
} else if (id == R.id.nav_food) {
fragment = new FragmentTwo();
} else if (id == R.id.nav_security) {
fragment = new FragmentThree();
}
if (fragment != null) {
fragmentTransaction = getSupportFragmentManager().beginTransaction();
fragmentTransaction.replace(R.id.containerView, fragment).commit();
}
public void onDestroyView() {
super.onDestroyView();
FragmentManager fManager = getActivity().getSupportFragmentManager();
Fragment frag = fManager.findFragmentById(R.id.map);
if (frag != null)
fManager.beginTransaction().remove(frag).commit();
}
将此保留在您的片段中
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.