Upgrade

build.gradle

@@ -10,8 +10,8 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1' // Add this line
+        classpath 'com.android.tools.build:gradle:4.0.1'
+        //classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1' // Add this line
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

fivestarslibrary/build.gradle

@@ -1,15 +1,15 @@
 apply plugin: 'com.android.library'
-apply plugin: 'com.github.dcendents.android-maven'
+//apply plugin: 'com.github.dcendents.android-maven'
 
 group='com.github.Angtrim'
 
 android {
-    compileSdkVersion 27
-    buildToolsVersion '28.0.3'
+    compileSdkVersion 29
+    buildToolsVersion '29.0.2'
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 27
+        targetSdkVersion 29
         versionCode 1
         versionName "1.0"
     }
@@ -23,6 +23,6 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
 
 }

fivestarslibrary/src/main/java/angtrim/com/fivestarslibrary/FiveStarsDialog.java

@@ -7,7 +7,7 @@
 import android.graphics.PorterDuff;
 import android.graphics.drawable.LayerDrawable;
 import android.net.Uri;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;

gradle.properties

@@ -15,4 +15,6 @@
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
+# org.gradle.parallel=true
+android.enableJetifier=true
+android.useAndroidX=true

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Fri Dec 14 15:24:32 EET 2018
+#Mon Aug 10 07:47:22 CEST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip

sampleapp/build.gradle

@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 28
-    buildToolsVersion '28.0.3'
+    compileSdkVersion 29
+    buildToolsVersion '29.0.2'
 
     defaultConfig {
         applicationId "angtrim.com.sampleapp"
         minSdkVersion 14
-        targetSdkVersion 28
+        targetSdkVersion 29
         versionCode 1
         versionName "1.0"
     }
@@ -21,6 +21,6 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation project(':fivestarslibrary')
 }

sampleapp/src/main/java/angtrim/com/sampleapp/MainActivity.java

@@ -1,7 +1,7 @@
 package angtrim.com.sampleapp;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;