version:

update:2021.03.16
fix:
add: migrate to androidx

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

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -8,7 +8,7 @@
     tools:context=".activity.MainActivity">
 
 
-    <android.support.constraint.ConstraintLayout
+    <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/bannerLayout"
         android:layout_width="match_parent"
         android:layout_height="@dimen/dp_32"
@@ -55,7 +55,7 @@
             app:layout_constraintBottom_toBottomOf="@+id/textView3"
             app:layout_constraintStart_toEndOf="@+id/textView3"
             app:layout_constraintTop_toTopOf="@+id/textView3" />
-    </android.support.constraint.ConstraintLayout>
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
     <ImageView
         android:id="@+id/imageView"
@@ -325,4 +325,4 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/linearLayout" />
 
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>