#15 Version 3.0 - Update libraries, convert to Kotlin, Maven -> Jitpack

Author: intik

README.md

@@ -25,12 +25,30 @@ _Disclaimer: Having too many pages in recycler means that user needs to swipe a
 
 ## Usage
 
+### Migration to 3.0 from 2.x
+
+Make sure you have Jitpack dependency in root gradle file.
+
+Follow [this instructions](https://github.com/andkulikov/Transitions-Everywhere#migration-from-1x-guide) to update
+TransitionsEverywhere which migrated to Jetpack androidx.transition to prevent import crashes.
+
 ### Gradle dependency
 
-In your gradle add dependency:
+In your root gradle add dependency to Jitpack:
+
+```gradle
+buildscript {
+    repositories {
+        xxx
+        maven { url 'https://jitpack.io' }
+    }
+}
+```
+
+In you module gradle add dependency to library:
 
 ```gradle
-compile "cz.intik:overflow-pager-indicator:$latestVersion"
+implementation "cz.intik:overflow-pager-indicator:$latestVersion"
 ```
 
 ### Layout
@@ -103,6 +121,8 @@ You can easily change dot fill color and dot stroke color via xml attributes lik
 
 ### Changelog
 
+3.0.0 Remove library from Bintray, use simply Jitpack. Convert library to Kotlin and update to TransitionsEverywhere 2.0 (which uses androidx.transition.X heavily)
+
 2.0.0 Migrate to AndroidX, add color customization options (big thanks [Javi Chaqués](https://github.com/javichaques))
 
 1.2.1 bugfix (thanks [Sajad Abasi](https://github.com/sajadabasi))

build.gradle

@@ -1,10 +1,14 @@
 buildscript {
+    ext.kotlin_version = '1.3.50'
+
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        // Tools 3.4.1+ requires Gradle 5+ which is not supported by JitPack, yet
+        classpath 'com.android.tools.build:gradle:3.2.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
@@ -17,4 +21,4 @@ allprojects {
 
 task clean(type: Delete) {
     delete rootProject.buildDir
-}
+}

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Jun 07 09:45:04 CEST 2017
+#Fri Aug 30 13:26:26 CEST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip

library/build.gradle

@@ -1,21 +1,25 @@
 apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-android'
 
 ext {
-    PUBLISH_GROUP_ID = 'cz.intik'
+    PUBLISH_GROUP_ID = 'cz.intik.overflowpagerindicator'
     PUBLISH_ARTIFACT_ID = 'overflow-pager-indicator'
-    PUBLISH_VERSION = '2.0.0'
-
-    // gradlew clean build generateRelease
+    PUBLISH_VERSION = '3.0.0'
 }
 
 android {
     compileSdkVersion 28
 
+    compileOptions {
+        kotlinOptions.freeCompilerArgs += ['-module-name', "$PUBLISH_GROUP_ID.$PUBLISH_ARTIFACT_ID"]
+    }
+
     defaultConfig {
         minSdkVersion 16
         targetSdkVersion 28
-        versionCode 2
-        versionName "2.0.0"
+        versionCode 3
+        versionName PUBLISH_VERSION
     }
     buildTypes {
         release {
@@ -25,11 +29,14 @@ android {
     }
 }
 
+repositories {
+    mavenCentral()
+}
+
 dependencies {
     implementation "androidx.appcompat:appcompat:1.0.2"
     implementation "androidx.recyclerview:recyclerview:1.0.0"
 
-    implementation "com.andkulikov:transitionseverywhere:1.8.0"
-}
-
-apply from: 'https://raw.githubusercontent.com/blundell/release-android-library/master/android-release-aar.gradle'
+    implementation "com.andkulikov:transitionseverywhere:2.0.0"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}

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

@@ -0,0 +1,31 @@
+package cz.intik.overflowindicator
+
+import androidx.recyclerview.widget.RecyclerView
+
+/**
+ * Data observer which notifies [OverflowPagerIndicator] of changed data
+ *
+ * @author Petr Introvic <[email protected]>
+ * created 03.10.2017.
+ */
+
+internal class OverflowDataObserver(private val overflowPagerIndicator: OverflowPagerIndicator) :
+    RecyclerView.AdapterDataObserver() {
+
+    override fun onChanged() = overflowPagerIndicator.updateIndicatorsCount()
+
+    override fun onItemRangeInserted(positionStart: Int, itemCount: Int) =
+        overflowPagerIndicator.updateIndicatorsCount()
+
+    override fun onItemRangeChanged(positionStart: Int, itemCount: Int) =
+        overflowPagerIndicator.updateIndicatorsCount()
+
+    override fun onItemRangeChanged(positionStart: Int, itemCount: Int, payload: Any?) =
+        overflowPagerIndicator.updateIndicatorsCount()
+
+    override fun onItemRangeRemoved(positionStart: Int, itemCount: Int) =
+        overflowPagerIndicator.updateIndicatorsCount()
+
+    override fun onItemRangeMoved(fromPosition: Int, toPosition: Int, itemCount: Int) =
+        overflowPagerIndicator.updateIndicatorsCount()
+}