diff --git a/app/build.gradle b/app/build.gradle
index bfab01b30..22506c57a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -25,8 +25,21 @@ android {
 }
 
 dependencies {
-    compile project(':picture_library')
-    testCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1'
-    debugCompile 'com.squareup.leakcanary:leakcanary-android:1.5.1'
-    releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0-beta01'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+
+    implementation "io.reactivex.rxjava2:rxjava:${cfgs.rxjava}"
+    implementation "io.reactivex.rxjava2:rxandroid:${cfgs.rxandroid}"
+
+    implementation project(':picture_library')
+    testImplementation 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1'
+    debugImplementation 'com.squareup.leakcanary:leakcanary-android:1.5.1'
+    releaseImplementation 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1'
+
+    //glide
+    implementation 'com.github.bumptech.glide:glide:4.9.0'
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.9.0'
+
 }
diff --git a/app/src/main/java/com/luck/pictureselector/FullyGridLayoutManager.java b/app/src/main/java/com/luck/pictureselector/FullyGridLayoutManager.java
index 435f9904d..66ed12574 100644
--- a/app/src/main/java/com/luck/pictureselector/FullyGridLayoutManager.java
+++ b/app/src/main/java/com/luck/pictureselector/FullyGridLayoutManager.java
@@ -1,8 +1,8 @@
 package com.luck.pictureselector;
 
 import android.content.Context;
-import android.support.v7.widget.GridLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 import android.view.ViewGroup;
 
diff --git a/app/src/main/java/com/luck/pictureselector/MainActivity.java b/app/src/main/java/com/luck/pictureselector/MainActivity.java
index 3adf6cf06..712451dcf 100644
--- a/app/src/main/java/com/luck/pictureselector/MainActivity.java
+++ b/app/src/main/java/com/luck/pictureselector/MainActivity.java
@@ -4,10 +4,10 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Environment;
-import android.support.annotation.IdRes;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.GridLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.IdRes;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.Log;
 import android.view.View;
 import android.widget.CheckBox;
diff --git a/app/src/main/java/com/luck/pictureselector/PhotoFragment.java b/app/src/main/java/com/luck/pictureselector/PhotoFragment.java
index cb2e42b8d..fddab0720 100644
--- a/app/src/main/java/com/luck/pictureselector/PhotoFragment.java
+++ b/app/src/main/java/com/luck/pictureselector/PhotoFragment.java
@@ -3,11 +3,11 @@
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.IdRes;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
-import android.support.v7.widget.GridLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.IdRes;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/app/src/main/java/com/luck/pictureselector/PhotoFragmentActivity.java b/app/src/main/java/com/luck/pictureselector/PhotoFragmentActivity.java
index 5e1c017ff..80af023ec 100644
--- a/app/src/main/java/com/luck/pictureselector/PhotoFragmentActivity.java
+++ b/app/src/main/java/com/luck/pictureselector/PhotoFragmentActivity.java
@@ -2,7 +2,7 @@
 
 import android.Manifest;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.widget.Toast;
 
 import com.luck.picture.lib.config.PictureConfig;
diff --git a/app/src/main/java/com/luck/pictureselector/SimpleActivity.java b/app/src/main/java/com/luck/pictureselector/SimpleActivity.java
index b0125bfb3..e7ca75112 100644
--- a/app/src/main/java/com/luck/pictureselector/SimpleActivity.java
+++ b/app/src/main/java/com/luck/pictureselector/SimpleActivity.java
@@ -1,7 +1,7 @@
 package com.luck.pictureselector;
 
 import android.content.Intent;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
diff --git a/app/src/main/java/com/luck/pictureselector/adapter/GridImageAdapter.java b/app/src/main/java/com/luck/pictureselector/adapter/GridImageAdapter.java
index 7898335f8..d9134682c 100644
--- a/app/src/main/java/com/luck/pictureselector/adapter/GridImageAdapter.java
+++ b/app/src/main/java/com/luck/pictureselector/adapter/GridImageAdapter.java
@@ -2,8 +2,8 @@
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.widget.RecyclerView;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 07d4ec340..1cbb4e3e5 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -48,7 +48,7 @@
             android:textSize="15sp" />
     </RelativeLayout>
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/recycler"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
diff --git a/build.gradle b/build.gradle
index 2561bc83f..88b76d292 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.1'
+        classpath 'com.android.tools.build:gradle:3.4.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/config.gradle b/config.gradle
index bac7d7a86..59e0d466c 100644
--- a/config.gradle
+++ b/config.gradle
@@ -10,9 +10,9 @@ ext {
             ucropVersionName     : "2.2.0-native",
 
             //open version control
-            androidSupportVersion: "27.0.2",
+            androidSupportVersion: "28.0.0",
             glide                : "4.9.0",
-            rxjava               : "2.1.3",
-            rxandroid            : "2.0.1"
+            rxjava               : "2.2.10",
+            rxandroid            : "2.1.1"
     ]
 }
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 10a5704f2..0875374a8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -25,4 +25,6 @@ POM_LICENCE_URL=http://www.apache.org/licenses/LICENSE-2.0
 POM_LICENCE_DIST=repo
 POM_DEVELOPER_ID=yalantis
 POM_DEVELOPER_NAME=Yalantis
-android.enableAapt2=false
\ No newline at end of file
+android.useAndroidX=true
+android.enableJetifier=true
+#android.enableAapt2=false
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index bc219c9a9..55b15179e 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Mar 04 17:37:16 CST 2019
+#Tue Jul 23 16:50:15 CST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip
diff --git a/picture_library/build.gradle b/picture_library/build.gradle
index cc9e67db8..ac2680c3e 100644
--- a/picture_library/build.gradle
+++ b/picture_library/build.gradle
@@ -24,13 +24,13 @@ android {
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-    compile project(':ucrop')
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation project(':ucrop')
     //noinspection GradleCompatible
-    compile "com.android.support:appcompat-v7:${cfgs.androidSupportVersion}"
+    implementation 'androidx.appcompat:appcompat:1.0.2'
     //noinspection GradleCompatible
-    compile "com.android.support:recyclerview-v7:${cfgs.androidSupportVersion}"
-    compile "com.github.bumptech.glide:glide:${cfgs.glide}"
-    compile "io.reactivex.rxjava2:rxjava:${cfgs.rxjava}"
-    compile "io.reactivex.rxjava2:rxandroid:${cfgs.rxandroid}"
+    implementation 'androidx.recyclerview:recyclerview:1.0.0'
+    implementation "com.github.bumptech.glide:glide:${cfgs.glide}"
+    implementation "io.reactivex.rxjava2:rxjava:${cfgs.rxjava}"
+    implementation "io.reactivex.rxjava2:rxandroid:${cfgs.rxandroid}"
 }
diff --git a/picture_library/src/main/java/com/luck/picture/lib/PictureBaseActivity.java b/picture_library/src/main/java/com/luck/picture/lib/PictureBaseActivity.java
index fb7a29ceb..91ccff279 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/PictureBaseActivity.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/PictureBaseActivity.java
@@ -10,8 +10,8 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.MediaStore;
-import android.support.annotation.NonNull;
-import android.support.v4.app.FragmentActivity;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.FragmentActivity;
 import android.text.TextUtils;
 
 import com.luck.picture.lib.compress.Luban;
@@ -41,8 +41,6 @@
 
 import io.reactivex.Flowable;
 import io.reactivex.android.schedulers.AndroidSchedulers;
-import io.reactivex.functions.Consumer;
-import io.reactivex.functions.Function;
 import io.reactivex.schedulers.Schedulers;
 
 /**
diff --git a/picture_library/src/main/java/com/luck/picture/lib/PictureExternalPreviewActivity.java b/picture_library/src/main/java/com/luck/picture/lib/PictureExternalPreviewActivity.java
index 325afc045..e7ebba8d5 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/PictureExternalPreviewActivity.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/PictureExternalPreviewActivity.java
@@ -7,9 +7,9 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
-import android.support.annotation.Nullable;
-import android.support.v4.view.PagerAdapter;
-import android.support.v4.view.ViewPager;
+import androidx.annotation.Nullable;
+import androidx.viewpager.widget.PagerAdapter;
+import androidx.viewpager.widget.ViewPager;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/PictureFileProvider.java b/picture_library/src/main/java/com/luck/picture/lib/PictureFileProvider.java
index fa19e649f..2b58041d8 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/PictureFileProvider.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/PictureFileProvider.java
@@ -1,6 +1,6 @@
 package com.luck.picture.lib;
 
-import android.support.v4.content.FileProvider;
+import androidx.core.content.FileProvider;
 
 /**
  * Created by Mankin on 2017/8/29.
diff --git a/picture_library/src/main/java/com/luck/picture/lib/PicturePreviewActivity.java b/picture_library/src/main/java/com/luck/picture/lib/PicturePreviewActivity.java
index 18d4f8791..e0f5309c0 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/PicturePreviewActivity.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/PicturePreviewActivity.java
@@ -3,8 +3,8 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Handler;
-import android.support.annotation.Nullable;
-import android.support.v4.view.ViewPager;
+import androidx.annotation.Nullable;
+import androidx.viewpager.widget.ViewPager;
 import android.text.TextUtils;
 import android.view.View;
 import android.view.animation.Animation;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/PictureSelectionModel.java b/picture_library/src/main/java/com/luck/picture/lib/PictureSelectionModel.java
index 6af7a80fb..caaf312b4 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/PictureSelectionModel.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/PictureSelectionModel.java
@@ -2,17 +2,15 @@
 
 import android.app.Activity;
 import android.content.Intent;
-import android.support.annotation.FloatRange;
-import android.support.annotation.IntRange;
-import android.support.annotation.StyleRes;
-import android.support.v4.app.Fragment;
+import androidx.annotation.FloatRange;
+import androidx.annotation.IntRange;
+import androidx.annotation.StyleRes;
+import androidx.fragment.app.Fragment;
 
-import com.luck.picture.lib.config.PictureConfig;
 import com.luck.picture.lib.config.PictureSelectionConfig;
 import com.luck.picture.lib.entity.LocalMedia;
 import com.luck.picture.lib.tools.DoubleUtils;
 
-import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
diff --git a/picture_library/src/main/java/com/luck/picture/lib/PictureSelector.java b/picture_library/src/main/java/com/luck/picture/lib/PictureSelector.java
index 80cd816b3..e49949f99 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/PictureSelector.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/PictureSelector.java
@@ -3,8 +3,8 @@
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
 
 import com.luck.picture.lib.config.PictureConfig;
 import com.luck.picture.lib.config.PictureMimeType;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/PictureSelectorActivity.java b/picture_library/src/main/java/com/luck/picture/lib/PictureSelectorActivity.java
index 529f0aa73..e8822e005 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/PictureSelectorActivity.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/PictureSelectorActivity.java
@@ -10,11 +10,11 @@
 import android.os.Handler;
 import android.os.Message;
 import android.provider.MediaStore;
-import android.support.annotation.RequiresApi;
-import android.support.v4.content.FileProvider;
-import android.support.v7.widget.GridLayoutManager;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.SimpleItemAnimator;
+import androidx.annotation.RequiresApi;
+import androidx.core.content.FileProvider;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.SimpleItemAnimator;
 import android.view.View;
 import android.view.WindowManager;
 import android.view.animation.Animation;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/adapter/PictureAlbumDirectoryAdapter.java b/picture_library/src/main/java/com/luck/picture/lib/adapter/PictureAlbumDirectoryAdapter.java
index 24ac9f5e0..59a8b6e8e 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/adapter/PictureAlbumDirectoryAdapter.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/adapter/PictureAlbumDirectoryAdapter.java
@@ -2,9 +2,9 @@
 
 import android.content.Context;
 import android.graphics.Bitmap;
-import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
-import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
-import android.support.v7.widget.RecyclerView;
+import androidx.core.graphics.drawable.RoundedBitmapDrawable;
+import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/adapter/PictureImageGridAdapter.java b/picture_library/src/main/java/com/luck/picture/lib/adapter/PictureImageGridAdapter.java
index 3ac89f978..f8b0035a5 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/adapter/PictureImageGridAdapter.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/adapter/PictureImageGridAdapter.java
@@ -6,8 +6,8 @@
 import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.widget.RecyclerView;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/adapter/SimpleFragmentAdapter.java b/picture_library/src/main/java/com/luck/picture/lib/adapter/SimpleFragmentAdapter.java
index 2d58fc0b0..71285267f 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/adapter/SimpleFragmentAdapter.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/adapter/SimpleFragmentAdapter.java
@@ -5,7 +5,7 @@
 import android.graphics.Bitmap;
 import android.graphics.PointF;
 import android.os.Bundle;
-import android.support.v4.view.PagerAdapter;
+import androidx.viewpager.widget.PagerAdapter;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/compress/Luban.java b/picture_library/src/main/java/com/luck/picture/lib/compress/Luban.java
index a8c64a797..e51b5024b 100755
--- a/picture_library/src/main/java/com/luck/picture/lib/compress/Luban.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/compress/Luban.java
@@ -314,7 +314,7 @@ public InputStream openInternal() throws IOException {
 
                 @Override
                 public String getPath() {
-                    return media.isCut() ? media.getCutPath() : media.getCompressPath();
+                    return media.isCut() ? media.getCutPath() : media.getPath();//media.getCompressPath();
                 }
 
             });
diff --git a/picture_library/src/main/java/com/luck/picture/lib/config/PictureMimeType.java b/picture_library/src/main/java/com/luck/picture/lib/config/PictureMimeType.java
index a0275de46..a967ae9d4 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/config/PictureMimeType.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/config/PictureMimeType.java
@@ -7,7 +7,7 @@
 import android.net.Uri;
 import android.os.Build;
 import android.provider.MediaStore;
-import android.support.annotation.RequiresApi;
+import androidx.annotation.RequiresApi;
 import android.text.TextUtils;
 
 import com.luck.picture.lib.R;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/config/PictureSelectionConfig.java b/picture_library/src/main/java/com/luck/picture/lib/config/PictureSelectionConfig.java
index 327ff8602..d2bca9d06 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/config/PictureSelectionConfig.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/config/PictureSelectionConfig.java
@@ -2,7 +2,7 @@
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.StyleRes;
+import androidx.annotation.StyleRes;
 
 import com.luck.picture.lib.R;
 import com.luck.picture.lib.entity.LocalMedia;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/decoration/GridSpacingItemDecoration.java b/picture_library/src/main/java/com/luck/picture/lib/decoration/GridSpacingItemDecoration.java
index af9c466bf..6bc766c63 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/decoration/GridSpacingItemDecoration.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/decoration/GridSpacingItemDecoration.java
@@ -1,7 +1,7 @@
 package com.luck.picture.lib.decoration;
 
 import android.graphics.Rect;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 
 /**
diff --git a/picture_library/src/main/java/com/luck/picture/lib/decoration/RecycleViewDivider.java b/picture_library/src/main/java/com/luck/picture/lib/decoration/RecycleViewDivider.java
index a3da694dd..a21d46f22 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/decoration/RecycleViewDivider.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/decoration/RecycleViewDivider.java
@@ -6,9 +6,9 @@
 import android.graphics.Paint;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 
 /**
diff --git a/picture_library/src/main/java/com/luck/picture/lib/immersive/ImmersiveManage.java b/picture_library/src/main/java/com/luck/picture/lib/immersive/ImmersiveManage.java
index 82ff45988..605660a78 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/immersive/ImmersiveManage.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/immersive/ImmersiveManage.java
@@ -3,7 +3,7 @@
 import android.app.Activity;
 import android.graphics.Color;
 import android.os.Build;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.view.Window;
 import android.view.WindowManager;
 
diff --git a/picture_library/src/main/java/com/luck/picture/lib/model/LocalMediaLoader.java b/picture_library/src/main/java/com/luck/picture/lib/model/LocalMediaLoader.java
index 24adbf9a9..5a4c53967 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/model/LocalMediaLoader.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/model/LocalMediaLoader.java
@@ -4,8 +4,7 @@
 import android.database.Cursor;
 import android.net.Uri;
 import android.provider.MediaStore;
-import android.support.annotation.NonNull;
-import android.support.v4.app.FragmentActivity;
+import androidx.annotation.NonNull;
 
 import com.luck.picture.lib.R;
 import com.luck.picture.lib.config.PictureConfig;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/permissions/RxPermissions.java b/picture_library/src/main/java/com/luck/picture/lib/permissions/RxPermissions.java
index a3060d908..a494df5c7 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/permissions/RxPermissions.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/permissions/RxPermissions.java
@@ -4,7 +4,7 @@
 import android.app.Activity;
 import android.app.FragmentManager;
 import android.os.Build;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.TextUtils;
 
 import java.util.ArrayList;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/permissions/RxPermissionsFragment.java b/picture_library/src/main/java/com/luck/picture/lib/permissions/RxPermissionsFragment.java
index bb5f55941..c4b03ad66 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/permissions/RxPermissionsFragment.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/permissions/RxPermissionsFragment.java
@@ -5,7 +5,7 @@
 import android.content.pm.PackageManager;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.util.Log;
 
 import java.util.HashMap;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/photoview/PhotoViewAttacher.java b/picture_library/src/main/java/com/luck/picture/lib/photoview/PhotoViewAttacher.java
index e679a7d64..644fc80b0 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/photoview/PhotoViewAttacher.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/photoview/PhotoViewAttacher.java
@@ -20,7 +20,7 @@
 import android.graphics.Matrix.ScaleToFit;
 import android.graphics.RectF;
 import android.graphics.drawable.Drawable;
-import android.support.v4.view.MotionEventCompat;
+import androidx.core.view.MotionEventCompat;
 import android.view.GestureDetector;
 import android.view.MotionEvent;
 import android.view.View;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/rxbus2/RxUtils.java b/picture_library/src/main/java/com/luck/picture/lib/rxbus2/RxUtils.java
index 347d4ff94..01afc616c 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/rxbus2/RxUtils.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/rxbus2/RxUtils.java
@@ -2,7 +2,7 @@
 
 package com.luck.picture.lib.rxbus2;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import java.util.concurrent.TimeUnit;
 
diff --git a/picture_library/src/main/java/com/luck/picture/lib/tools/PictureFileUtils.java b/picture_library/src/main/java/com/luck/picture/lib/tools/PictureFileUtils.java
index ae3236edf..d8afb5c6e 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/tools/PictureFileUtils.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/tools/PictureFileUtils.java
@@ -19,7 +19,7 @@
 import android.os.Environment;
 import android.provider.DocumentsContract;
 import android.provider.MediaStore;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/picture_library/src/main/java/com/luck/picture/lib/widget/FolderPopWindow.java b/picture_library/src/main/java/com/luck/picture/lib/widget/FolderPopWindow.java
index ee88ab44a..04d30de00 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/widget/FolderPopWindow.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/widget/FolderPopWindow.java
@@ -7,9 +7,9 @@
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.os.Handler;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.animation.Animation;
diff --git a/picture_library/src/main/java/com/luck/picture/lib/widget/PreviewViewPager.java b/picture_library/src/main/java/com/luck/picture/lib/widget/PreviewViewPager.java
index d05ebe351..c0c00d937 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/widget/PreviewViewPager.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/widget/PreviewViewPager.java
@@ -1,7 +1,7 @@
 package com.luck.picture.lib.widget;
 
 import android.content.Context;
-import android.support.v4.view.ViewPager;
+import androidx.viewpager.widget.ViewPager;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 
diff --git a/picture_library/src/main/java/com/luck/picture/lib/widget/longimage/CompatDecoderFactory.java b/picture_library/src/main/java/com/luck/picture/lib/widget/longimage/CompatDecoderFactory.java
index 1af2847f1..903b41686 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/widget/longimage/CompatDecoderFactory.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/widget/longimage/CompatDecoderFactory.java
@@ -1,6 +1,6 @@
 package com.luck.picture.lib.widget.longimage;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 /**
  * Compatibility factory to instantiate decoders with empty public constructors.
diff --git a/picture_library/src/main/java/com/luck/picture/lib/widget/longimage/SubsamplingScaleImageView.java b/picture_library/src/main/java/com/luck/picture/lib/widget/longimage/SubsamplingScaleImageView.java
index a72d99642..a1b4dcf8c 100644
--- a/picture_library/src/main/java/com/luck/picture/lib/widget/longimage/SubsamplingScaleImageView.java
+++ b/picture_library/src/main/java/com/luck/picture/lib/widget/longimage/SubsamplingScaleImageView.java
@@ -37,8 +37,8 @@
 import android.os.Handler;
 import android.os.Message;
 import android.provider.MediaStore;
-import android.support.annotation.AnyThread;
-import android.support.annotation.NonNull;
+import androidx.annotation.AnyThread;
+import androidx.annotation.NonNull;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
 import android.util.Log;
diff --git a/picture_library/src/main/res/layout/picture_selector.xml b/picture_library/src/main/res/layout/picture_selector.xml
index ab540642e..10b644b81 100644
--- a/picture_library/src/main/res/layout/picture_selector.xml
+++ b/picture_library/src/main/res/layout/picture_selector.xml
@@ -70,7 +70,7 @@
     </RelativeLayout>
 
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/picture_recycler"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
diff --git a/picture_library/src/main/res/layout/picture_window_folder.xml b/picture_library/src/main/res/layout/picture_window_folder.xml
index 6a85508d3..311038f4f 100644
--- a/picture_library/src/main/res/layout/picture_window_folder.xml
+++ b/picture_library/src/main/res/layout/picture_window_folder.xml
@@ -5,7 +5,7 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/folder_list"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
diff --git a/ucrop/build.gradle b/ucrop/build.gradle
index 60ad14daf..3820df9f2 100644
--- a/ucrop/build.gradle
+++ b/ucrop/build.gradle
@@ -31,8 +31,10 @@ android {
 
 dependencies {
     //noinspection GradleCompatible
-    compile "com.android.support:appcompat-v7:${cfgs.androidSupportVersion}"
+    implementation 'androidx.appcompat:appcompat:1.0.2'
     //noinspection GradleCompatible
-    compile "com.android.support:recyclerview-v7:${cfgs.androidSupportVersion}"
-    implementation "com.github.bumptech.glide:glide:${cfgs.glide}"
+    implementation 'androidx.recyclerview:recyclerview:1.0.0'
+    //glide
+    implementation 'com.github.bumptech.glide:glide:4.9.0'
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.9.0'
 }
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/PictureMultiCuttingActivity.java b/ucrop/src/main/java/com/yalantis/ucrop/PictureMultiCuttingActivity.java
index fd73d0ae9..24833c998 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/PictureMultiCuttingActivity.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/PictureMultiCuttingActivity.java
@@ -9,17 +9,17 @@
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.annotation.ColorInt;
-import android.support.annotation.DrawableRes;
-import android.support.annotation.IdRes;
-import android.support.annotation.IntDef;
-import android.support.annotation.NonNull;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.Toolbar;
+import androidx.annotation.ColorInt;
+import androidx.annotation.DrawableRes;
+import androidx.annotation.IdRes;
+import androidx.annotation.IntDef;
+import androidx.annotation.NonNull;
+import androidx.core.content.ContextCompat;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.appcompat.widget.Toolbar;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.Menu;
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/PicturePhotoGalleryAdapter.java b/ucrop/src/main/java/com/yalantis/ucrop/PicturePhotoGalleryAdapter.java
index 5e32e9066..58c518c58 100755
--- a/ucrop/src/main/java/com/yalantis/ucrop/PicturePhotoGalleryAdapter.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/PicturePhotoGalleryAdapter.java
@@ -17,7 +17,7 @@
 package com.yalantis.ucrop;
 
 import android.content.Context;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/UCrop.java b/ucrop/src/main/java/com/yalantis/ucrop/UCrop.java
index 9b7a06c99..3b3122ded 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/UCrop.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/UCrop.java
@@ -10,12 +10,12 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Parcelable;
-import android.support.annotation.ColorInt;
-import android.support.annotation.DrawableRes;
-import android.support.annotation.FloatRange;
-import android.support.annotation.IntRange;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.ColorInt;
+import androidx.annotation.DrawableRes;
+import androidx.annotation.FloatRange;
+import androidx.annotation.IntRange;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import com.yalantis.ucrop.model.AspectRatio;
 
@@ -143,7 +143,7 @@ public void start(@NonNull Context context, @NonNull Fragment fragment) {
      *
      * @param fragment Fragment to receive result
      */
-    public void start(@NonNull Context context, @NonNull android.support.v4.app.Fragment fragment) {
+    public void start(@NonNull Context context, @NonNull androidx.fragment.app.Fragment fragment) {
         start(context, fragment, REQUEST_CROP);
     }
 
@@ -164,7 +164,7 @@ public void start(@NonNull Context context, @NonNull Fragment fragment, int requ
      * @param fragment    Fragment to receive result
      * @param requestCode requestCode for result
      */
-    public void start(@NonNull Context context, @NonNull android.support.v4.app.Fragment fragment, int requestCode) {
+    public void start(@NonNull Context context, @NonNull androidx.fragment.app.Fragment fragment, int requestCode) {
         fragment.startActivityForResult(getIntent(context), requestCode);
     }
 
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/UCropActivity.java b/ucrop/src/main/java/com/yalantis/ucrop/UCropActivity.java
index d2d0a59ee..b8ae5dffd 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/UCropActivity.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/UCropActivity.java
@@ -9,15 +9,15 @@
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.annotation.ColorInt;
-import android.support.annotation.DrawableRes;
-import android.support.annotation.IdRes;
-import android.support.annotation.IntDef;
-import android.support.annotation.NonNull;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
+import androidx.annotation.ColorInt;
+import androidx.annotation.DrawableRes;
+import androidx.annotation.IdRes;
+import androidx.annotation.IntDef;
+import androidx.annotation.NonNull;
+import androidx.core.content.ContextCompat;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.Menu;
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/UCropMulti.java b/ucrop/src/main/java/com/yalantis/ucrop/UCropMulti.java
index f28a739c5..0e1a04c76 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/UCropMulti.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/UCropMulti.java
@@ -10,12 +10,12 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Parcelable;
-import android.support.annotation.ColorInt;
-import android.support.annotation.DrawableRes;
-import android.support.annotation.FloatRange;
-import android.support.annotation.IntRange;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.ColorInt;
+import androidx.annotation.DrawableRes;
+import androidx.annotation.FloatRange;
+import androidx.annotation.IntRange;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import com.yalantis.ucrop.model.AspectRatio;
 import com.yalantis.ucrop.model.CutInfo;
@@ -146,7 +146,7 @@ public void start(@NonNull Context context, @NonNull Fragment fragment) {
      *
      * @param fragment Fragment to receive result
      */
-    public void start(@NonNull Context context, @NonNull android.support.v4.app.Fragment fragment) {
+    public void start(@NonNull Context context, @NonNull androidx.fragment.app.Fragment fragment) {
         start(context, fragment, REQUEST_MULTI_CROP);
     }
 
@@ -167,7 +167,7 @@ public void start(@NonNull Context context, @NonNull Fragment fragment, int requ
      * @param fragment    Fragment to receive result
      * @param requestCode requestCode for result
      */
-    public void start(@NonNull Context context, @NonNull android.support.v4.app.Fragment fragment, int requestCode) {
+    public void start(@NonNull Context context, @NonNull androidx.fragment.app.Fragment fragment, int requestCode) {
         fragment.startActivityForResult(getIntent(context), requestCode);
     }
 
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/callback/BitmapCropCallback.java b/ucrop/src/main/java/com/yalantis/ucrop/callback/BitmapCropCallback.java
index afe82e43d..16d73db33 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/callback/BitmapCropCallback.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/callback/BitmapCropCallback.java
@@ -1,7 +1,7 @@
 package com.yalantis.ucrop.callback;
 
 import android.net.Uri;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 public interface BitmapCropCallback {
 
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/callback/BitmapLoadCallback.java b/ucrop/src/main/java/com/yalantis/ucrop/callback/BitmapLoadCallback.java
index 186c3982e..d764dd847 100755
--- a/ucrop/src/main/java/com/yalantis/ucrop/callback/BitmapLoadCallback.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/callback/BitmapLoadCallback.java
@@ -2,8 +2,8 @@
 
 import android.graphics.Bitmap;
 import android.net.Uri;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import com.yalantis.ucrop.model.ExifInfo;
 
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/model/AspectRatio.java b/ucrop/src/main/java/com/yalantis/ucrop/model/AspectRatio.java
index 65ca4548c..79cd270b2 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/model/AspectRatio.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/model/AspectRatio.java
@@ -2,7 +2,7 @@
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 /**
  * Created by Oleksii Shliama [https://github.com/shliama] on 6/24/16.
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/task/BitmapCropTask.java b/ucrop/src/main/java/com/yalantis/ucrop/task/BitmapCropTask.java
index e3948759d..36bb01c7c 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/task/BitmapCropTask.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/task/BitmapCropTask.java
@@ -9,8 +9,8 @@
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.ParcelFileDescriptor;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import android.util.Log;
 
 import com.yalantis.ucrop.callback.BitmapCropCallback;
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/task/BitmapLoadTask.java b/ucrop/src/main/java/com/yalantis/ucrop/task/BitmapLoadTask.java
index 32702c34d..42af41c2e 100755
--- a/ucrop/src/main/java/com/yalantis/ucrop/task/BitmapLoadTask.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/task/BitmapLoadTask.java
@@ -10,9 +10,9 @@
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.ParcelFileDescriptor;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.v4.content.ContextCompat;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/util/BitmapLoadUtils.java b/ucrop/src/main/java/com/yalantis/ucrop/util/BitmapLoadUtils.java
index 13d045865..494a99d8c 100755
--- a/ucrop/src/main/java/com/yalantis/ucrop/util/BitmapLoadUtils.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/util/BitmapLoadUtils.java
@@ -9,8 +9,8 @@
 import android.media.ExifInterface;
 import android.net.Uri;
 import android.os.Build;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import android.util.Log;
 import android.view.Display;
 import android.view.WindowManager;
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/util/FileUtils.java b/ucrop/src/main/java/com/yalantis/ucrop/util/FileUtils.java
index df0b1d93e..f15b035ae 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/util/FileUtils.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/util/FileUtils.java
@@ -25,7 +25,7 @@
 import android.os.Environment;
 import android.provider.DocumentsContract;
 import android.provider.MediaStore;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/util/RotationGestureDetector.java b/ucrop/src/main/java/com/yalantis/ucrop/util/RotationGestureDetector.java
index 4fd8e5c38..66896edab 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/util/RotationGestureDetector.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/util/RotationGestureDetector.java
@@ -1,6 +1,6 @@
 package com.yalantis.ucrop.util;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.view.MotionEvent;
 
 public class RotationGestureDetector {
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/view/CropImageView.java b/ucrop/src/main/java/com/yalantis/ucrop/view/CropImageView.java
index 3e2597676..5365e2873 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/view/CropImageView.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/view/CropImageView.java
@@ -6,9 +6,9 @@
 import android.graphics.Matrix;
 import android.graphics.RectF;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.IntRange;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.IntRange;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import android.util.AttributeSet;
 
 import com.yalantis.ucrop.R;
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/view/OverlayView.java b/ucrop/src/main/java/com/yalantis/ucrop/view/OverlayView.java
index 2da56521a..2411c8b65 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/view/OverlayView.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/view/OverlayView.java
@@ -8,9 +8,9 @@
 import android.graphics.RectF;
 import android.graphics.Region;
 import android.os.Build;
-import android.support.annotation.ColorInt;
-import android.support.annotation.IntRange;
-import android.support.annotation.NonNull;
+import androidx.annotation.ColorInt;
+import androidx.annotation.IntRange;
+import androidx.annotation.NonNull;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/view/TransformImageView.java b/ucrop/src/main/java/com/yalantis/ucrop/view/TransformImageView.java
index b6d385a0f..0a12e56e4 100755
--- a/ucrop/src/main/java/com/yalantis/ucrop/view/TransformImageView.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/view/TransformImageView.java
@@ -6,9 +6,9 @@
 import android.graphics.RectF;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import android.support.annotation.IntRange;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.IntRange;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.widget.ImageView;
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/view/UCropView.java b/ucrop/src/main/java/com/yalantis/ucrop/view/UCropView.java
index 38d1f2fc7..7741d5f7d 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/view/UCropView.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/view/UCropView.java
@@ -3,7 +3,7 @@
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.RectF;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.widget.FrameLayout;
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/view/widget/AspectRatioTextView.java b/ucrop/src/main/java/com/yalantis/ucrop/view/widget/AspectRatioTextView.java
index 43397f49d..c4745e7df 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/view/widget/AspectRatioTextView.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/view/widget/AspectRatioTextView.java
@@ -8,9 +8,9 @@
 import android.graphics.Paint;
 import android.graphics.Rect;
 import android.os.Build;
-import android.support.annotation.ColorInt;
-import android.support.annotation.NonNull;
-import android.support.v4.content.ContextCompat;
+import androidx.annotation.ColorInt;
+import androidx.annotation.NonNull;
+import androidx.core.content.ContextCompat;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.Gravity;
diff --git a/ucrop/src/main/java/com/yalantis/ucrop/view/widget/HorizontalProgressWheelView.java b/ucrop/src/main/java/com/yalantis/ucrop/view/widget/HorizontalProgressWheelView.java
index 42f1cd740..49415649e 100644
--- a/ucrop/src/main/java/com/yalantis/ucrop/view/widget/HorizontalProgressWheelView.java
+++ b/ucrop/src/main/java/com/yalantis/ucrop/view/widget/HorizontalProgressWheelView.java
@@ -6,8 +6,8 @@
 import android.graphics.Paint;
 import android.graphics.Rect;
 import android.os.Build;
-import android.support.annotation.ColorInt;
-import android.support.v4.content.ContextCompat;
+import androidx.annotation.ColorInt;
+import androidx.core.content.ContextCompat;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
diff --git a/ucrop/src/main/res/layout/ucrop_activity_photobox.xml b/ucrop/src/main/res/layout/ucrop_activity_photobox.xml
index a70d6a7f3..d15a935d8 100644
--- a/ucrop/src/main/res/layout/ucrop_activity_photobox.xml
+++ b/ucrop/src/main/res/layout/ucrop_activity_photobox.xml
@@ -3,7 +3,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <android.support.v7.widget.Toolbar
+    <androidx.appcompat.widget.Toolbar
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -19,7 +19,7 @@
             android:textColor="@color/ucrop_color_toolbar_widget"
             android:textSize="18sp" />
 
-    </android.support.v7.widget.Toolbar>
+    </androidx.appcompat.widget.Toolbar>
 
     <FrameLayout
         android:id="@+id/ucrop_frame"
diff --git a/ucrop/src/main/res/layout/ucrop_picture_activity_multi_cutting.xml b/ucrop/src/main/res/layout/ucrop_picture_activity_multi_cutting.xml
index 27bd85831..4798afe5c 100644
--- a/ucrop/src/main/res/layout/ucrop_picture_activity_multi_cutting.xml
+++ b/ucrop/src/main/res/layout/ucrop_picture_activity_multi_cutting.xml
@@ -7,7 +7,7 @@
     android:background="@color/ucrop_color_crop_background"
     android:orientation="vertical">
 
-    <android.support.v7.widget.Toolbar
+    <androidx.appcompat.widget.Toolbar
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -23,9 +23,9 @@
             android:textColor="@color/ucrop_color_toolbar_widget"
             android:textSize="18sp" />
 
-    </android.support.v7.widget.Toolbar>
+    </androidx.appcompat.widget.Toolbar>
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/recyclerView"
         android:layout_width="match_parent"
         android:layout_height="90dp"