diff --git a/app/build.gradle b/app/build.gradle
index 5dd0015..b508b2d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,13 +2,13 @@ apply plugin: 'com.android.application'
 
 android {
 
-    compileSdkVersion 27
+    compileSdkVersion 29
 
 
     defaultConfig {
         applicationId "gun0912.tedbottompickerdemo"
         minSdkVersion 16
-        targetSdkVersion 26
+        targetSdkVersion 29
         versionCode 1
         versionName "1.0.0"
         multiDexEnabled true
@@ -39,13 +39,13 @@ repositories {
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     testImplementation 'junit:junit:4.12'
-    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
     implementation project(':tedbottompicker')
-    implementation 'com.android.support:multidex:1.0.3'
+    implementation 'androidx.multidex:multidex:2.0.1'
 
     implementation 'gun0912.ted:tedpermission:2.2.0'
-    implementation 'com.github.bumptech.glide:glide:4.7.1'
-    annotationProcessor 'com.github.bumptech.glide:compiler:4.7.1'
+    implementation "com.github.bumptech.glide:glide:$glide_version"
+    annotationProcessor "com.github.bumptech.glide:compiler:$glide_version"
 
     debugImplementation 'com.squareup.leakcanary:leakcanary-android:1.6.3'
     releaseImplementation 'com.squareup.leakcanary:leakcanary-android-no-op:1.6.3'
diff --git a/app/src/main/java/gun0912/tedbottompickerdemo/MainActivity.java b/app/src/main/java/gun0912/tedbottompickerdemo/MainActivity.java
index 754e98e..f869c2b 100644
--- a/app/src/main/java/gun0912/tedbottompickerdemo/MainActivity.java
+++ b/app/src/main/java/gun0912/tedbottompickerdemo/MainActivity.java
@@ -3,7 +3,6 @@
 import android.Manifest;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.util.TypedValue;
 import android.view.LayoutInflater;
@@ -14,11 +13,14 @@
 import android.widget.ImageView;
 import android.widget.Toast;
 
+import androidx.appcompat.app.AppCompatActivity;
+
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.RequestManager;
 import com.bumptech.glide.request.RequestOptions;
 import com.gun0912.tedpermission.PermissionListener;
 import com.gun0912.tedpermission.TedPermission;
+import com.theartofdev.edmodo.cropper.CropImageView;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -64,6 +66,8 @@ public void onPermissionGranted() {
                             //.setPeekHeight(getResources().getDisplayMetrics().heightPixels/2)
                             .setSelectedUri(selectedUri)
                             //.showVideoMedia()
+                            .setCropper(true)
+                            .setResize(500, 500, CropImageView.RequestSizeOptions.RESIZE_INSIDE)
                             .setPeekHeight(1200)
                             .show(uri -> {
                                 Log.d("ted", "uri: " + uri);
@@ -105,6 +109,9 @@ public void onPermissionGranted() {
                     TedBottomPicker.with(MainActivity.this)
                             //.setPeekHeight(getResources().getDisplayMetrics().heightPixels/2)
                             .setPeekHeight(1600)
+                            .setCropper(true)
+                            .setCropperRatio(1, 1)
+                            .setResize(500, 500, CropImageView.RequestSizeOptions.RESIZE_INSIDE)
                             .showTitle(false)
                             .setCompleteButtonText("Done")
                             .setEmptySelectionText("No Select")
@@ -114,7 +121,6 @@ public void onPermissionGranted() {
                                 showUriList(uriList);
                             });
 
-
                 }
 
                 @Override
diff --git a/app/src/main/java/gun0912/tedbottompickerdemo/MyApplication.java b/app/src/main/java/gun0912/tedbottompickerdemo/MyApplication.java
index ae7ee41..74a29f3 100644
--- a/app/src/main/java/gun0912/tedbottompickerdemo/MyApplication.java
+++ b/app/src/main/java/gun0912/tedbottompickerdemo/MyApplication.java
@@ -1,7 +1,8 @@
 package gun0912.tedbottompickerdemo;
 
 import android.app.Application;
-import android.support.multidex.MultiDexApplication;
+
+import androidx.multidex.MultiDexApplication;
 
 import com.squareup.leakcanary.LeakCanary;
 
diff --git a/build.gradle b/build.gradle
index f3f92b4..9c82403 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,21 +1,26 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
+    ext.glide_version = '4.9.0'
     repositories {
         jcenter()
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.2'
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
+        classpath 'com.android.tools.build:gradle:3.4.2'
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
+
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0'
     }
+
 }
 
 allprojects {
     repositories {
         jcenter()
         google()
+        maven { url "https://jitpack.io" }
+
     }
 
     group = GROUP
diff --git a/gradle.properties b/gradle.properties
index 76e05fe..df08931 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -29,3 +29,5 @@ LIBRARY_DESCRIPTION = 'TedBottomPicker is simple image picker using bottom sheet
 
 POM_ARTIFACT_ID=tedbottompicker
 POM_NAME=TedBottomPicker
+android.enableJetifier=true
+android.useAndroidX=true
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ec6dc00..04bd6f8 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,7 @@
-#Wed Jun 05 20:54:30 KST 2019
+#Thu Sep 05 11:11:10 NPT 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/tedbottompicker/build.gradle b/tedbottompicker/build.gradle
index b94dd0e..72c7084 100644
--- a/tedbottompicker/build.gradle
+++ b/tedbottompicker/build.gradle
@@ -3,12 +3,12 @@ apply plugin: 'com.android.library'
 
 android {
 
-    compileSdkVersion 27
+    compileSdkVersion 29
 
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 24
+        targetSdkVersion 29
         versionCode 1
         versionName "1.0"
     }
@@ -45,14 +45,19 @@ repositories {
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     testCompile 'junit:junit:4.12'
-    implementation 'com.android.support:appcompat-v7:27.1.1'
-    api 'com.android.support:design:27.1.1'
-    implementation 'com.android.support:support-annotations:27.1.1'
-    javadocDeps 'com.android.support:support-annotations:27.1.1'
-    implementation 'com.github.bumptech.glide:glide:4.9.0'
-    annotationProcessor 'com.github.bumptech.glide:compiler:4.9.0'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    api 'com.google.android.material:material:1.0.0'
+    implementation 'androidx.annotation:annotation:1.1.0'
+    javadocDeps 'androidx.annotation:annotation:1.1.0'
+    implementation "com.github.bumptech.glide:glide:$glide_version"
+    annotationProcessor "com.github.bumptech.glide:compiler:$glide_version"
+
     implementation 'gun0912.ted:tedonactivityresult:1.0.6'
     implementation "io.reactivex.rxjava2:rxjava:2.2.6"
+    api 'com.theartofdev.edmodo:android-image-cropper:2.8.0'
+
+
+
 }
 
 apply from: rootProject.file('publish.gradle')
\ No newline at end of file
diff --git a/tedbottompicker/proguard-rules.pro b/tedbottompicker/proguard-rules.pro
index 39552e4..296c806 100644
--- a/tedbottompicker/proguard-rules.pro
+++ b/tedbottompicker/proguard-rules.pro
@@ -23,4 +23,5 @@
 }
 
 # for DexGuard only
--keepresourcexmlelements manifest/application/meta-data@value=GlideModule
\ No newline at end of file
+-keepresourcexmlelements manifest/application/meta-data@value=GlideModule
+-keep class androidx.appcompat.widget.** { *; }
diff --git a/tedbottompicker/src/main/AndroidManifest.xml b/tedbottompicker/src/main/AndroidManifest.xml
index 016b06c..82a9df3 100644
--- a/tedbottompicker/src/main/AndroidManifest.xml
+++ b/tedbottompicker/src/main/AndroidManifest.xml
@@ -5,7 +5,7 @@
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <application>
     <provider
-            android:name="android.support.v4.content.FileProvider"
+            android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.provider"
             android:exported="false"
             android:grantUriPermissions="true">
@@ -13,6 +13,8 @@
                 android:name="android.support.FILE_PROVIDER_PATHS"
                 android:resource="@xml/provider_paths"/>
         </provider>
+        <activity android:name="com.theartofdev.edmodo.cropper.CropImageActivity"
+            android:theme="@style/Base.Theme.AppCompat"/>
      </application>
 
 
diff --git a/tedbottompicker/src/main/java/gun0912/tedbottompicker/GridSpacingItemDecoration.java b/tedbottompicker/src/main/java/gun0912/tedbottompicker/GridSpacingItemDecoration.java
index 87e1526..b728e4e 100644
--- a/tedbottompicker/src/main/java/gun0912/tedbottompicker/GridSpacingItemDecoration.java
+++ b/tedbottompicker/src/main/java/gun0912/tedbottompicker/GridSpacingItemDecoration.java
@@ -1,9 +1,10 @@
 package gun0912.tedbottompicker;
 
 import android.graphics.Rect;
-import android.support.v7.widget.RecyclerView;
 import android.view.View;
 
+import androidx.recyclerview.widget.RecyclerView;
+
 /**
  * Created by TedPark on 2016. 8. 30..
  */
diff --git a/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedBottomPicker.java b/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedBottomPicker.java
index cc6e8cf..0804179 100644
--- a/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedBottomPicker.java
+++ b/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedBottomPicker.java
@@ -1,6 +1,7 @@
 package gun0912.tedbottompicker;
 
-import android.support.v4.app.FragmentActivity;
+
+import androidx.fragment.app.FragmentActivity;
 
 public class TedBottomPicker extends TedBottomSheetDialogFragment {
 
diff --git a/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedBottomSheetDialogFragment.java b/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedBottomSheetDialogFragment.java
index ac9e277..2ee3423 100644
--- a/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedBottomSheetDialogFragment.java
+++ b/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedBottomSheetDialogFragment.java
@@ -1,7 +1,6 @@
 package gun0912.tedbottompicker;
 
 import android.Manifest;
-import android.app.Activity;
 import android.app.Dialog;
 import android.content.Intent;
 import android.content.pm.PackageManager;
@@ -13,23 +12,6 @@
 import android.os.Bundle;
 import android.os.Environment;
 import android.provider.MediaStore;
-import android.support.annotation.ColorRes;
-import android.support.annotation.DimenRes;
-import android.support.annotation.DrawableRes;
-import android.support.annotation.IntDef;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.StringRes;
-import android.support.design.widget.BottomSheetBehavior;
-import android.support.design.widget.BottomSheetDialogFragment;
-import android.support.design.widget.CoordinatorLayout;
-import android.support.v4.app.FragmentActivity;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
-import android.support.v4.content.ContextCompat;
-import android.support.v4.content.FileProvider;
-import android.support.v7.widget.GridLayoutManager;
-import android.support.v7.widget.RecyclerView;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -40,10 +22,30 @@
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.annotation.ColorRes;
+import androidx.annotation.DimenRes;
+import androidx.annotation.DrawableRes;
+import androidx.annotation.IntDef;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.core.content.ContextCompat;
+import androidx.core.content.FileProvider;
+import androidx.fragment.app.FragmentActivity;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.request.RequestOptions;
+import com.google.android.material.bottomsheet.BottomSheetBehavior;
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment;
 import com.gun0912.tedonactivityresult.TedOnActivityResult;
 import com.gun0912.tedonactivityresult.listener.OnActivityResultListener;
+import com.theartofdev.edmodo.cropper.CropImage;
+import com.theartofdev.edmodo.cropper.CropImageView;
 
 import java.io.File;
 import java.io.IOException;
@@ -58,6 +60,8 @@
 import gun0912.tedbottompicker.adapter.GalleryAdapter;
 import gun0912.tedbottompicker.util.RealPathUtil;
 
+import static android.app.Activity.RESULT_OK;
+
 public class TedBottomSheetDialogFragment extends BottomSheetDialogFragment {
 
     private static final String EXTRA_CAMERA_IMAGE_URI = "camera_image_uri";
@@ -280,12 +284,26 @@ private void complete(final Uri uri) {
             }
 
         } else {
-            builder.onImageSelectedListener.onImageSelected(uri);
-            dismissAllowingStateLoss();
+            if (builder.setCropper) {
+                openCropper(uri);
+            } else {
+                builder.onImageSelectedListener.onImageSelected(uri);
+                dismissAllowingStateLoss();
+            }
         }
 
     }
 
+    private void openCropper(Uri uri) {
+        CropImage.ActivityBuilder bi = CropImage.activity(uri);
+        if (builder.ratioX > 0) {
+            bi.setAspectRatio(builder.ratioX, builder.ratioY);
+        }
+        if (builder.resizeWidth > 0)
+            bi.setRequestedSize(builder.resizeWidth, builder.resizeHeight, builder.resizeOption);
+        bi.start(getContext(), this);
+    }
+
     private void addUri(final Uri uri) {
         if (selectedUriList.size() == builder.selectMaxCount) {
             String message;
@@ -298,8 +316,15 @@ private void addUri(final Uri uri) {
             Toast.makeText(getActivity(), message, Toast.LENGTH_SHORT).show();
             return;
         }
+        if (builder.setCropper) {
+            openCropper(uri);
+        } else {
+            setToLayout(uri);
+        }
 
+    }
 
+    private void setToLayout(Uri uri) {
         selectedUriList.add(uri);
 
         final View rootView = LayoutInflater.from(getActivity()).inflate(R.layout.tedbottompicker_selected_item, null);
@@ -345,6 +370,26 @@ public void onClick(View v) {
 
     }
 
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (requestCode == CropImage.CROP_IMAGE_ACTIVITY_REQUEST_CODE) {
+            CropImage.ActivityResult result = CropImage.getActivityResult(data);
+            if (resultCode == RESULT_OK) {
+                Uri resultUri = result.getUri();
+                if (isMultiSelect()) setToLayout(resultUri);
+                else {
+                    builder.onImageSelectedListener.onImageSelected(resultUri);
+                    dismissAllowingStateLoss();
+
+                }
+
+            } else if (resultCode == CropImage.CROP_IMAGE_ACTIVITY_RESULT_ERROR_CODE) {
+                Exception error = result.getError();
+                errorMessage(error.getMessage());
+            }
+        }
+    }
+
     private void removeImage(Uri uri) {
 
         selectedUriList.remove(uri);
@@ -409,7 +454,7 @@ private void startCameraIntent() {
                 .setListener(new OnActivityResultListener() {
                     @Override
                     public void onActivityResult(int resultCode, Intent data) {
-                        if (resultCode == Activity.RESULT_OK) {
+                        if (resultCode == RESULT_OK) {
                             onActivityResultCamera(cameraImageUri);
                         }
                     }
@@ -507,7 +552,7 @@ private void startGalleryIntent() {
                 .setListener(new OnActivityResultListener() {
                     @Override
                     public void onActivityResult(int resultCode, Intent data) {
-                        if (resultCode == Activity.RESULT_OK) {
+                        if (resultCode == RESULT_OK) {
                             onActivityResultGallery(data);
                         }
                     }
@@ -630,6 +675,12 @@ public abstract static class BaseBuilder<T extends BaseBuilder> {
         private int spacing = 1;
         private boolean includeEdgeSpacing = false;
         private int peekHeight = -1;
+        private boolean setCropper = false;
+        private int resizeWidth = 0;
+        private int resizeHeight = 0;
+        private CropImageView.RequestSizeOptions resizeOption = CropImageView.RequestSizeOptions.NONE;
+        private int ratioX = 0;
+        private int ratioY = 0;
         private int titleBackgroundResId;
         private int selectMaxCount = Integer.MAX_VALUE;
         private int selectMinCount = 0;
@@ -747,6 +798,24 @@ public T setPeekHeight(int peekHeight) {
             return (T) this;
         }
 
+        public T setCropper(boolean setCropper) {
+            this.setCropper = setCropper;
+            return (T) this;
+        }
+
+        public T setCropperRatio(int ratioX, int ratioY) {
+            this.ratioX = ratioX;
+            this.ratioY = ratioY;
+            return (T) this;
+        }
+
+        public T setResize(int resizeWidth, int resizeHeight, CropImageView.RequestSizeOptions resizeOption) {
+            this.resizeWidth = resizeWidth;
+            this.resizeHeight = resizeHeight;
+            this.resizeOption = resizeOption;
+            return (T) this;
+        }
+
         public T setPeekHeightResId(@DimenRes int dimenResId) {
             this.peekHeight = fragmentActivity.getResources().getDimensionPixelSize(dimenResId);
             return (T) this;
diff --git a/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedRxBottomPicker.java b/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedRxBottomPicker.java
index fc9a8e0..95c20b2 100644
--- a/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedRxBottomPicker.java
+++ b/tedbottompicker/src/main/java/gun0912/tedbottompicker/TedRxBottomPicker.java
@@ -1,7 +1,8 @@
 package gun0912.tedbottompicker;
 
 import android.net.Uri;
-import android.support.v4.app.FragmentActivity;
+
+import androidx.fragment.app.FragmentActivity;
 
 import java.util.List;
 
diff --git a/tedbottompicker/src/main/java/gun0912/tedbottompicker/adapter/GalleryAdapter.java b/tedbottompicker/src/main/java/gun0912/tedbottompicker/adapter/GalleryAdapter.java
index 89e93a2..309cb8b 100644
--- a/tedbottompicker/src/main/java/gun0912/tedbottompicker/adapter/GalleryAdapter.java
+++ b/tedbottompicker/src/main/java/gun0912/tedbottompicker/adapter/GalleryAdapter.java
@@ -5,14 +5,15 @@
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.provider.MediaStore;
-import android.support.annotation.IntDef;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.widget.RecyclerView;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.annotation.IntDef;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.RecyclerView;
+
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.request.RequestOptions;
 
diff --git a/tedbottompicker/src/main/java/gun0912/tedbottompicker/view/TedEmptyRecyclerView.java b/tedbottompicker/src/main/java/gun0912/tedbottompicker/view/TedEmptyRecyclerView.java
index d31c0ed..9d58502 100644
--- a/tedbottompicker/src/main/java/gun0912/tedbottompicker/view/TedEmptyRecyclerView.java
+++ b/tedbottompicker/src/main/java/gun0912/tedbottompicker/view/TedEmptyRecyclerView.java
@@ -1,12 +1,13 @@
 package gun0912.tedbottompicker.view;
 
 import android.content.Context;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.v7.widget.RecyclerView;
 import android.util.AttributeSet;
 import android.view.View;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.RecyclerView;
+
 public class TedEmptyRecyclerView extends RecyclerView {
 	@Nullable
 	View emptyView;
diff --git a/tedbottompicker/src/main/res/layout/tedbottompicker_content_view.xml b/tedbottompicker/src/main/res/layout/tedbottompicker_content_view.xml
index bf5b154..3441f4c 100644
--- a/tedbottompicker/src/main/res/layout/tedbottompicker_content_view.xml
+++ b/tedbottompicker/src/main/res/layout/tedbottompicker_content_view.xml
@@ -117,7 +117,7 @@
             />
     -->
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/rc_gallery"
         android:layout_width="match_parent"
         android:layout_height="match_parent"