diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 19818a0..9536fe2 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -15,7 +15,6 @@
             <option value="$PROJECT_DIR$/imageeditlibrary" />
           </set>
         </option>
-        <option name="resolveModulePerSourceSet" value="false" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/.idea/modules.xml b/.idea/modules.xml
index 796785e..b452719 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -4,7 +4,13 @@
     <modules>
       <module fileurl="file://$PROJECT_DIR$/ImageEditor-Android.iml" filepath="$PROJECT_DIR$/ImageEditor-Android.iml" />
       <module fileurl="file://$PROJECT_DIR$/.idea/modules/demo/ImageEditor-Android.demo.iml" filepath="$PROJECT_DIR$/.idea/modules/demo/ImageEditor-Android.demo.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/demo/ImageEditor-Android.demo.androidTest.iml" filepath="$PROJECT_DIR$/.idea/modules/demo/ImageEditor-Android.demo.androidTest.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/demo/ImageEditor-Android.demo.main.iml" filepath="$PROJECT_DIR$/.idea/modules/demo/ImageEditor-Android.demo.main.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/demo/ImageEditor-Android.demo.unitTest.iml" filepath="$PROJECT_DIR$/.idea/modules/demo/ImageEditor-Android.demo.unitTest.iml" />
       <module fileurl="file://$PROJECT_DIR$/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.iml" filepath="$PROJECT_DIR$/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.androidTest.iml" filepath="$PROJECT_DIR$/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.androidTest.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.main.iml" filepath="$PROJECT_DIR$/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.main.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.unitTest.iml" filepath="$PROJECT_DIR$/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.unitTest.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/modules/demo/ImageEditor-Android.demo.iml b/.idea/modules/demo/ImageEditor-Android.demo.iml
index f68909c..33bdc1b 100644
--- a/.idea/modules/demo/ImageEditor-Android.demo.iml
+++ b/.idea/modules/demo/ImageEditor-Android.demo.iml
@@ -5,7 +5,7 @@
       <configuration>
         <option name="GRADLE_PROJECT_PATH" value=":demo" />
         <option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" value="4.2.1" />
-        <option name="LAST_KNOWN_AGP_VERSION" value="4.2.1" />
+        <option name="LAST_KNOWN_AGP_VERSION" value="4.2.2" />
       </configuration>
     </facet>
     <facet type="android" name="Android">
@@ -30,55 +30,10 @@
     <output-test url="file://$MODULE_DIR$/../../../demo/build/intermediates/javac/debugUnitTest/classes" />
     <exclude-output />
     <content url="file://$MODULE_DIR$/../../../demo">
-      <sourceFolder url="file://$MODULE_DIR$/../../../demo/build/generated/res/resValues/debug" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../demo/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../demo/src/main/assets" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../demo/src/main/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../demo/src/main/res" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../demo/build/generated/ap_generated_sources/debug/out" isTestSource="false" generated="true" />
       <excludeFolder url="file://$MODULE_DIR$/../../../demo/.gradle" />
       <excludeFolder url="file://$MODULE_DIR$/../../../demo/build" />
     </content>
     <orderEntry type="jdk" jdkName="Android API 31 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="Gradle: androidx.collection:collection:1.1.0" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-common:2.1.0" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.arch.core:core-common:2.1.0" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.annotation:annotation:1.1.0" level="project" />
-    <orderEntry type="library" name="Gradle: com.nostra13.universalimageloader:universal-image-loader:1.9.4" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.constraintlayout:constraintlayout-solver:2.0.4" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.constraintlayout:constraintlayout:2.0.4@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.appcompat:appcompat:1.2.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.fragment:fragment:1.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.appcompat:appcompat-resources:1.2.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.recyclerview:recyclerview:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.legacy:legacy-support-core-ui:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.drawerlayout:drawerlayout:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.viewpager:viewpager:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.legacy:legacy-support-core-utils:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.loader:loader:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.activity:activity:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.vectordrawable:vectordrawable-animated:1.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.vectordrawable:vectordrawable:1.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.coordinatorlayout:coordinatorlayout:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.slidingpanelayout:slidingpanelayout:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.customview:customview:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.swiperefreshlayout:swiperefreshlayout:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.asynclayoutinflater:asynclayoutinflater:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.core:core:1.3.1@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.cursoradapter:cursoradapter:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-runtime:2.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.versionedparcelable:versionedparcelable:1.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-viewmodel:2.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.savedstate:savedstate:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-livedata:2.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-livedata-core:2.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.arch.core:core-runtime:2.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.interpolator:interpolator:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.documentfile:documentfile:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.localbroadcastmanager:localbroadcastmanager:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.print:print:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: com.makeramen:roundedimageview:2.3.0@aar" level="project" />
-    <orderEntry type="module" module-name="ImageEditor-Android.imageeditlibrary" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.iml b/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.iml
index e600fab..01c756b 100644
--- a/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.iml
+++ b/.idea/modules/imageeditlibrary/ImageEditor-Android.imageeditlibrary.iml
@@ -5,7 +5,7 @@
       <configuration>
         <option name="GRADLE_PROJECT_PATH" value=":imageeditlibrary" />
         <option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" value="4.2.1" />
-        <option name="LAST_KNOWN_AGP_VERSION" value="4.2.1" />
+        <option name="LAST_KNOWN_AGP_VERSION" value="4.2.2" />
       </configuration>
     </facet>
     <facet type="android" name="Android">
@@ -31,102 +31,10 @@
     <output-test url="file://$MODULE_DIR$/../../../imageeditlibrary/build/intermediates/javac/debugUnitTest/classes" />
     <exclude-output />
     <content url="file://$MODULE_DIR$/../../../imageeditlibrary">
-      <sourceFolder url="file://$MODULE_DIR$/../../../imageeditlibrary/build/generated/res/resValues/debug" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../imageeditlibrary/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../imageeditlibrary/src/main/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../imageeditlibrary/src/main/res" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../imageeditlibrary/src/test/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../imageeditlibrary/build/generated/ap_generated_sources/debug/out" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/../../../imageeditlibrary/src/main/assets" type="java-resource" />
       <excludeFolder url="file://$MODULE_DIR$/../../../imageeditlibrary/.gradle" />
       <excludeFolder url="file://$MODULE_DIR$/../../../imageeditlibrary/build" />
     </content>
-    <orderEntry type="jdk" jdkName="Android API 30 Platform" jdkType="Android SDK" />
+    <orderEntry type="jdk" jdkName="Android API 31 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" scope="TEST" name="Gradle: junit:junit:4.12" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.robolectric:robolectric:3.3.2" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.robolectric:shadows-core:3.3.2" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: com.google.android.apps.common.testing.accessibility.framework:accessibility-test-framework:2.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.hamcrest:hamcrest-library:1.3" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.hamcrest:hamcrest-core:1.3" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.robolectric:robolectric-junit:3.3.2" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.robolectric:robolectric-resources:3.3.2" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.robolectric:robolectric-sandbox:3.3.2" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.robolectric:robolectric-utils:3.3.2" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.robolectric:robolectric-annotations:3.3.2" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.robolectric:shadow-api:3.3.2" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.assertj:assertj-core:2.6.0" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.ow2.asm:asm-commons:5.0.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.ow2.asm:asm-tree:5.0.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.ow2.asm:asm:5.0.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: com.google.guava:guava:20.0" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: com.almworks.sqlite4java:sqlite4java:0.282" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: com.ibm.icu:icu4j:53.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: com.google.protobuf:protobuf-java:2.6.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.bouncycastle:bcprov-jdk16:1.46" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: com.thoughtworks.xstream:xstream:1.4.8" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: xmlpull:xmlpull:1.1.3.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: xpp3:xpp3_min:1.1.4c" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven:maven-ant-tasks:2.1.3" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.ant:ant:1.8.0" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.ant:ant-launcher:1.8.0" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven:maven-project:2.2.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven:maven-artifact-manager:2.2.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven:maven-error-diagnostics:2.2.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven:maven-settings:2.2.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven:maven-profile:2.2.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven:maven-plugin-registry:2.2.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.codehaus.plexus:plexus-container-default:1.0-alpha-9-stable-1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: classworlds:classworlds:1.1-alpha-2" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven:maven-artifact:2.2.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven:maven-model:2.2.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven.wagon:wagon-file:1.0-beta-6" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven.wagon:wagon-http-lightweight:1.0-beta-6" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven.wagon:wagon-http-shared:1.0-beta-6" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven.wagon:wagon-provider-api:1.0-beta-6" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.apache.maven:maven-repository-metadata:2.2.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.codehaus.plexus:plexus-utils:1.5.15" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: org.codehaus.plexus:plexus-interpolation:1.11" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: backport-util-concurrent:backport-util-concurrent:3.1" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: nekohtml:xercesMinimal:1.9.6.2" level="project" />
-    <orderEntry type="library" scope="TEST" name="Gradle: nekohtml:nekohtml:1.9.6.2" level="project" />
-    <orderEntry type="library" name="Gradle: com.nostra13.universalimageloader:universal-image-loader:1.9.4" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.collection:collection:1.1.0" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-common:2.1.0" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.arch.core:core-common:2.1.0" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.annotation:annotation:1.1.0" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.constraintlayout:constraintlayout-solver:2.0.4" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.recyclerview:recyclerview:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.constraintlayout:constraintlayout:2.0.4@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.appcompat:appcompat:1.2.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: com.makeramen:roundedimageview:2.3.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.legacy:legacy-support-core-ui:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.fragment:fragment:1.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.appcompat:appcompat-resources:1.2.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.drawerlayout:drawerlayout:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.legacy:legacy-support-core-utils:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.viewpager:viewpager:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.coordinatorlayout:coordinatorlayout:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.slidingpanelayout:slidingpanelayout:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.customview:customview:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.swiperefreshlayout:swiperefreshlayout:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.asynclayoutinflater:asynclayoutinflater:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.loader:loader:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.activity:activity:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.vectordrawable:vectordrawable-animated:1.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.vectordrawable:vectordrawable:1.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.core:core:1.3.1@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.cursoradapter:cursoradapter:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-runtime:2.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.versionedparcelable:versionedparcelable:1.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.interpolator:interpolator:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-viewmodel:2.1.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.savedstate:savedstate:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-livedata:2.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-livedata-core:2.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.arch.core:core-runtime:2.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.documentfile:documentfile:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.localbroadcastmanager:localbroadcastmanager:1.0.0@aar" level="project" />
-    <orderEntry type="library" name="Gradle: androidx.print:print:1.0.0@aar" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/ImageEditor-Android.iml b/ImageEditor-Android.iml
index c5e42e7..e43515c 100644
--- a/ImageEditor-Android.iml
+++ b/ImageEditor-Android.iml
@@ -7,7 +7,7 @@
       </configuration>
     </facet>
   </component>
-  <component name="NewModuleRootManager">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/.gradle" />
diff --git a/build.gradle b/build.gradle
index e3fa820..470cac9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
         maven { url "https://jitpack.io" }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.1'
+        classpath 'com.android.tools.build:gradle:4.2.2'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
diff --git a/demo/build.gradle b/demo/build.gradle
index 23c488d..0eabe58 100644
--- a/demo/build.gradle
+++ b/demo/build.gradle
@@ -2,12 +2,12 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 31
-    buildToolsVersion '28.0.3'
+    buildToolsVersion '30.0.3'
 
     defaultConfig {
         applicationId "com.xinlan.imageeditandroid"
         minSdkVersion 19
-        targetSdkVersion 24
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
     }
@@ -21,6 +21,6 @@ android {
 
 dependencies {
     api fileTree(include: ['*.jar'], dir: 'libs')
-    api 'androidx.appcompat:appcompat:1.0.0'
+    api 'androidx.appcompat:appcompat:1.4.2'
     api project(':imageeditlibrary')
 }
diff --git a/imageeditlibrary/build.gradle b/imageeditlibrary/build.gradle
index f3c750e..f6dae53 100644
--- a/imageeditlibrary/build.gradle
+++ b/imageeditlibrary/build.gradle
@@ -1,8 +1,8 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 30
-    buildToolsVersion '28.0.3'
+    compileSdkVersion 31
+    buildToolsVersion '30.0.3'
 
     defaultConfig {
         minSdkVersion 19
@@ -30,10 +30,10 @@ dependencies {
     testImplementation "org.robolectric:robolectric:3.3.2"
 
     api 'com.nostra13.universalimageloader:universal-image-loader:1.9.4'
-    api 'androidx.recyclerview:recyclerview:1.0.0'
-    api 'androidx.appcompat:appcompat:1.0.0'
+    api 'androidx.recyclerview:recyclerview:1.2.1'
+    api 'androidx.appcompat:appcompat:1.4.2'
     api 'com.makeramen:roundedimageview:2.3.0'
-    api 'androidx.constraintlayout:constraintlayout:2.0.4'
+    api 'androidx.constraintlayout:constraintlayout:2.1.4'
 
 }