diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 61a9130..fb7f4a8 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="1.8" />
+    <bytecodeTargetLevel target="11" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 35715e5..43e2dcb 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -6,6 +6,7 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="11" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 7bb9736..360e6d4 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index 5002b52..e1c164b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,6 +1,5 @@
 plugins {
     id 'com.android.application'
-    id 'org.jetbrains.kotlin.android'
 }
 
 android {
@@ -27,9 +26,7 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-    kotlinOptions {
-        jvmTarget = '1.8'
-    }
+
 }
 
 dependencies {
diff --git a/autoScroll/build.gradle b/autoScroll/build.gradle
index 7b46701..e212ec9 100644
--- a/autoScroll/build.gradle
+++ b/autoScroll/build.gradle
@@ -1,6 +1,5 @@
 plugins {
     id 'com.android.library'
-    id 'org.jetbrains.kotlin.android'
 }
 
 android {
@@ -25,9 +24,6 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-    kotlinOptions {
-        jvmTarget = '1.8'
-    }
 }
 
 dependencies {
diff --git a/settings.gradle b/settings.gradle
index cc6adce..58d37b9 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -10,6 +10,7 @@ dependencyResolutionManagement {
     repositories {
         google()
         mavenCentral()
+        jcenter()
         maven { url 'https://jitpack.io' }
     }
 }