compileSdkVersion and targetSdkVersion upgraded to 31

android/build.gradle

@@ -4,25 +4,25 @@ version '1.0-SNAPSHOT'
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.6.3'
+        classpath 'com.android.tools.build:gradle:3.6.4'
     }
 }
 
 rootProject.allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     defaultConfig {
         minSdkVersion 17

example/android/app/build.gradle

@@ -30,7 +30,7 @@ android {
         targetCompatibility 1.8
     }
 
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     lintOptions {
         disable 'InvalidPackage'
@@ -40,7 +40,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.pichillilorenzo.flutter_inappwebviewexample"
         minSdkVersion 17
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

example/android/build.gradle

@@ -1,18 +1,18 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.android.tools.build:gradle:4.0.2'
     }
 }
 
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }