diff --git a/android/.idea/caches/build_file_checksums.ser b/android/.idea/caches/build_file_checksums.ser
index 1e89f76..7ab9c9d 100644
Binary files a/android/.idea/caches/build_file_checksums.ser and b/android/.idea/caches/build_file_checksums.ser differ
diff --git a/android/.idea/caches/gradle_models.ser b/android/.idea/caches/gradle_models.ser
index dac55d8..9f9ee55 100644
Binary files a/android/.idea/caches/gradle_models.ser and b/android/.idea/caches/gradle_models.ser differ
diff --git a/android/.idea/codeStyles/Project.xml b/android/.idea/codeStyles/Project.xml
deleted file mode 100644
index 30aa626..0000000
--- a/android/.idea/codeStyles/Project.xml
+++ /dev/null
@@ -1,29 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <code_scheme name="Project" version="173">
-    <Objective-C-extensions>
-      <file>
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
-      </file>
-      <class>
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
-      </class>
-      <extensions>
-        <pair source="cpp" header="h" fileNamingConvention="NONE" />
-        <pair source="c" header="h" fileNamingConvention="NONE" />
-      </extensions>
-    </Objective-C-extensions>
-  </code_scheme>
-</component>
\ No newline at end of file
diff --git a/android/.idea/modules.xml b/android/.idea/modules.xml
index 5db90c1..0824775 100644
--- a/android/.idea/modules.xml
+++ b/android/.idea/modules.xml
@@ -3,6 +3,7 @@
   <component name="ProjectModuleManager">
     <modules>
       <module fileurl="file://$PROJECT_DIR$/flutter_unity_widget.iml" filepath="$PROJECT_DIR$/flutter_unity_widget.iml" />
+      <module fileurl="file://$PROJECT_DIR$/flutter_unity_widget.iml" filepath="$PROJECT_DIR$/flutter_unity_widget.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index 8f999d6..62328b3 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Mar 05 10:11:03 WAT 2019
+#Fri Mar 27 12:55:44 CET 2020
 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/android/src/main/java/com/rexraphael/flutterunitywidget/UnityUtils.java b/android/src/main/java/com/rexraphael/flutterunitywidget/UnityUtils.java
index bb4730d..68bbf9f 100644
--- a/android/src/main/java/com/rexraphael/flutterunitywidget/UnityUtils.java
+++ b/android/src/main/java/com/rexraphael/flutterunitywidget/UnityUtils.java
@@ -1,11 +1,9 @@
 package com.rexraphael.flutterunitywidget;
 
 import android.app.Activity;
-import android.content.ContextWrapper;
 import android.graphics.PixelFormat;
 import android.os.Build;
 import android.view.ViewGroup;
-import android.view.WindowManager;
 
 import com.unity3d.player.UnityPlayer;