Migrate to Android X

build.gradle

@@ -1,25 +1,17 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
+        classpath 'com.android.tools.build:gradle:3.2.1'
     }
 }
 
-ext {
-    supportLibraryVersion = '26.1.0'
-}
-
 allprojects {
     repositories {
+        google()
         jcenter()
-        maven { url "https://maven.google.com" }
     }
 }
 

gradle.properties

@@ -9,6 +9,8 @@
 
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
+android.enableJetifier=true
+android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536m
 
 # When configured, Gradle will run in incubating parallel mode.

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip

library/build.gradle

@@ -9,12 +9,11 @@ ext {
 }
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion "26.0.1"
+    compileSdkVersion 28
 
     defaultConfig {
-        minSdkVersion 16
-        targetSdkVersion 26
+        minSdkVersion 19
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
     }
@@ -27,12 +26,12 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
 
-    compile "com.android.support:appcompat-v7:$rootProject.supportLibraryVersion"
-    compile "com.android.support:recyclerview-v7:$rootProject.supportLibraryVersion"
+    implementation "androidx.appcompat:appcompat:1.0.0"
+    implementation "androidx.recyclerview:recyclerview:1.0.0"
 
-    compile "com.andkulikov:transitionseverywhere:1.7.6"
+    implementation "com.andkulikov:transitionseverywhere:1.8.0"
 }
 
 apply from: 'https://raw.githubusercontent.com/blundell/release-android-library/master/android-release-aar.gradle'

library/src/main/java/cz/intik/overflowindicator/OverflowDataObserver.java

@@ -1,49 +1,49 @@
 package cz.intik.overflowindicator;
 
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 
 /**
  * Data observer which notifies {@link OverflowPagerIndicator} of changed data
  *
  * @author Petr Introvic <introvic.petr@gmail.com>
- *         created 03.10.2017.
+ * created 03.10.2017.
  */
 
 class OverflowDataObserver extends RecyclerView.AdapterDataObserver {
 
-	private OverflowPagerIndicator mOverflowPagerIndicator;
-
-	OverflowDataObserver(OverflowPagerIndicator overflowPagerIndicator) {
-		mOverflowPagerIndicator = overflowPagerIndicator;
-	}
-
-	@Override
-	public void onChanged() {
-		mOverflowPagerIndicator.updateIndicatorsCount();
-	}
-
-	@Override
-	public void onItemRangeInserted(int positionStart, int itemCount) {
-		mOverflowPagerIndicator.updateIndicatorsCount();
-	}
-
-	@Override
-	public void onItemRangeChanged(int positionStart, int itemCount) {
-		mOverflowPagerIndicator.updateIndicatorsCount();
-	}
-
-	@Override
-	public void onItemRangeChanged(int positionStart, int itemCount, Object payload) {
-		mOverflowPagerIndicator.updateIndicatorsCount();
-	}
-
-	@Override
-	public void onItemRangeRemoved(int positionStart, int itemCount) {
-		mOverflowPagerIndicator.updateIndicatorsCount();
-	}
-
-	@Override
-	public void onItemRangeMoved(int fromPosition, int toPosition, int itemCount) {
-		mOverflowPagerIndicator.updateIndicatorsCount();
-	}
+    private OverflowPagerIndicator mOverflowPagerIndicator;
+
+    OverflowDataObserver(OverflowPagerIndicator overflowPagerIndicator) {
+        mOverflowPagerIndicator = overflowPagerIndicator;
+    }
+
+    @Override
+    public void onChanged() {
+        mOverflowPagerIndicator.updateIndicatorsCount();
+    }
+
+    @Override
+    public void onItemRangeInserted(int positionStart, int itemCount) {
+        mOverflowPagerIndicator.updateIndicatorsCount();
+    }
+
+    @Override
+    public void onItemRangeChanged(int positionStart, int itemCount) {
+        mOverflowPagerIndicator.updateIndicatorsCount();
+    }
+
+    @Override
+    public void onItemRangeChanged(int positionStart, int itemCount, Object payload) {
+        mOverflowPagerIndicator.updateIndicatorsCount();
+    }
+
+    @Override
+    public void onItemRangeRemoved(int positionStart, int itemCount) {
+        mOverflowPagerIndicator.updateIndicatorsCount();
+    }
+
+    @Override
+    public void onItemRangeMoved(int fromPosition, int toPosition, int itemCount) {
+        mOverflowPagerIndicator.updateIndicatorsCount();
+    }
 }