diff --git a/ultraviewpager/build.gradle b/ultraviewpager/build.gradle
index d99741c..bbe2b7c 100644
--- a/ultraviewpager/build.gradle
+++ b/ultraviewpager/build.gradle
@@ -94,8 +94,10 @@ android {
 dependencies {
     compile fileTree(include: ['*.jar'], dir: 'libs')
     testCompile 'junit:junit:4.12'
-    compile 'com.android.support:support-v4:23.1.1@aar'
-    compile 'com.android.support:recyclerview-v7:23.1.1@aar'
+    compile 'androidx.legacy:legacy-support-v4:1.0.0@aar'
+    compile 'androidx.recyclerview:recyclerview:1.0.0@aar'
+    implementation 'androidx.viewpager:viewpager:1.0.0'
+    implementation 'com.android.support:appcompat-v7'
 }
 
 File deployConfig = rootProject.file('jcenterInstall.gradle')
diff --git a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPager.java b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPager.java
index 70f4674..36ed73f 100644
--- a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPager.java
+++ b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPager.java
@@ -31,16 +31,16 @@
 import android.graphics.Bitmap;
 import android.graphics.Point;
 import android.os.Build;
-import android.support.v4.view.PagerAdapter;
-import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.util.SparseIntArray;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.RelativeLayout;
 
+import androidx.viewpager.widget.PagerAdapter;
+import androidx.viewpager.widget.ViewPager;
+
 /**
  * Created by mikeafc on 15/10/26.<br>
  * UltraViewPager is a super extension for ViewPager.<br>
diff --git a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerAdapter.java b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerAdapter.java
index c2a82d5..0a3732d 100644
--- a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerAdapter.java
+++ b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerAdapter.java
@@ -28,17 +28,15 @@
 
 import android.database.DataSetObserver;
 import android.os.Parcelable;
-import android.support.v4.view.PagerAdapter;
-import android.support.v4.view.ViewPager;
-import android.support.v7.widget.RecyclerView;
+
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.viewpager.widget.PagerAdapter;
+
 import android.util.SparseArray;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.RelativeLayout;
 
-import java.util.HashMap;
-import java.util.Map;
-
 /**
  * Created by mikeafc on 15/11/25.
  */
diff --git a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerIndicator.java b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerIndicator.java
index cff89d2..63a11e0 100644
--- a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerIndicator.java
+++ b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerIndicator.java
@@ -31,12 +31,13 @@
 import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Paint;
-import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
 import android.util.TypedValue;
 import android.view.Gravity;
 import android.view.View;
 
+import androidx.viewpager.widget.ViewPager;
+
 /**
  * Created by mikeafc on 15/11/25.
  */
diff --git a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerView.java b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerView.java
index 1d7d759..9eaa553 100644
--- a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerView.java
+++ b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/UltraViewPagerView.java
@@ -27,14 +27,14 @@
 package com.tmall.ultraviewpager;
 
 import android.content.Context;
-import android.support.v4.view.PagerAdapter;
-import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
-import android.util.TypedValue;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.viewpager.widget.PagerAdapter;
+import androidx.viewpager.widget.ViewPager;
+
 import com.tmall.ultraviewpager.transformer.UltraVerticalTransformer;
 
 /**
diff --git a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraDepthScaleTransformer.java b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraDepthScaleTransformer.java
index bb0db2a..dad675b 100644
--- a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraDepthScaleTransformer.java
+++ b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraDepthScaleTransformer.java
@@ -26,9 +26,10 @@
 
 package com.tmall.ultraviewpager.transformer;
 
-import android.support.v4.view.ViewPager;
 import android.view.View;
 
+import androidx.viewpager.widget.ViewPager;
+
 /**
  * Created by mikeafc on 15/12/3.
  */
diff --git a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraScaleTransformer.java b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraScaleTransformer.java
index cdea434..bc65e3d 100644
--- a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraScaleTransformer.java
+++ b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraScaleTransformer.java
@@ -26,9 +26,10 @@
 
 package com.tmall.ultraviewpager.transformer;
 
-import android.support.v4.view.ViewPager;
 import android.view.View;
 
+import androidx.viewpager.widget.ViewPager;
+
 /**
  * Created by mikeafc on 15/12/3.
  */
diff --git a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraVerticalTransformer.java b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraVerticalTransformer.java
index 1cbfdf4..f827d65 100644
--- a/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraVerticalTransformer.java
+++ b/ultraviewpager/src/main/java/com/tmall/ultraviewpager/transformer/UltraVerticalTransformer.java
@@ -26,9 +26,10 @@
 
 package com.tmall.ultraviewpager.transformer;
 
-import android.support.v4.view.ViewPager;
 import android.view.View;
 
+import androidx.viewpager.widget.ViewPager;
+
 /**
  * Created by mikeafc on 15/11/26.
  */