app/src/main/res/layout/activity_main.xml
@@ -5,7 +5,7 @@ android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="cn.flightfeather.thirdapp.module.MainActivity"> tools:context="cn.flightfeather.thirdappmodule.module.MainActivity"> <FrameLayout android:id="@+id/fl_fragment_container" android:layout_width="match_parent"