1.默认隐藏列表布局防止用户误触。

app/src/main/java/com/xhly/manageapp/ui/main/activity/MainActivity.kt

         viewModel.schoolSetData.observe(this) {
             spUtils.saveJson(Const.SCHOOLSETDEVICE, it)
             initSchoolSet(it)
+            mBinding.rv.visibility=View.VISIBLE
             updateAppRv()
         }
         viewModel.wallpaperData.observe(this) {

app/src/main/res/layout/activity_main.xml

 
             <androidx.recyclerview.widget.RecyclerView
                 android:id="@+id/rv"
+                android:visibility="invisible"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
                 android:layout_marginTop="24dp"