销毁片段的按钮仍然可见

问题描述

我有一个简单的片段:

public class DriverListFragment extends Fragment {


    public DriverListFragment() {
    }

    public static DriverListFragment newInstance(String param1,String param2) {
        return  new DriverListFragment();
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_driver_list,container,false);
    }


    ListView listViewDriver;
    Driverlistadapter adapter;
    RoomWithRxJavaviewmodel viewmodel;
    FloatingActionButton btnopenDriverAddFragment2;
    CustomLinearLayout customLinearLayout;
    public void onViewCreated(View view,@Nullable Bundle savedInstanceState) {
    
        listViewDriver = view.findViewById(R.id.listAllDrivers);
        viewmodel = new RoomWithRxJavaviewmodel(getActivity().getApplication());
        btnopenDriverAddFragment2 = view.findViewById(R.id.btnopenDriverAddFragment2);
        customLinearLayout = (CustomLinearLayout) view.findViewById(R.id.cusll);

        Snackbar.make(customLinearLayout,"Text to display",Snackbar.LENGTH_LONG).show();

    }

}

我从我的主要活动中调用

final DriverListFragment fragment = new DriverListFragment();
final FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
transaction.add(R.id.frameLHaupt,fragment,"FragmentHaupt");
transaction.disallowAddToBackStack(); //main fragment,so no popbackstack
transaction.commit();

我的布局:

<?xml version="1.0" encoding="utf-8"?>
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 xmlns:app="http://schemas.android.com/apk/res-auto"
 app:layout_behavior=".pkgActivity.MoveUpwardBehavIoUr"
 tools:context=".pkgTestforend.DriverListFragment">


    <ListView
        android:id="@+id/listAllDrivers"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
    </ListView>


    <com.example.dochjavatestimplementation.pkgTestforend.CustomLinearLayout
        android:layout_width="match_parent"
        android:id="@+id/cusll"
        android:layout_height="match_parent"
        >

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">
            <com.google.android.material.floatingactionbutton.FloatingActionButton
                android:id="@+id/btnopenDriverAddFragment2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:src="@drawable/baseline_person_add_24"
                />

        </RelativeLayout>

    </com.example.dochjavatestimplementation.pkgTestforend.CustomLinearLayout>


</androidx.coordinatorlayout.widget.CoordinatorLayout>

问题是我的零食栏会弹出我的自定义线性布局几秒钟,如果我在按钮/线性布局仍然向上时旋转手机,按钮仍然可见,尽管它应该被销毁,因为 oncreate 再次被调用

default state

当我旋转手机时:

rotateed stte

旋转手机时按钮状态不应该被破坏是什么原因?

解决方法

<img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" /> <img class="bg-image" src="" alt="default" />替换transaction.add(R.id.frameLHaupt,fragment,"FragmentHaupt");