Downgrade minSdkVersion to 17; migrate to AndroidX support libraries (#3

)

app/build.gradle

@@ -1,19 +1,18 @@
 apply plugin: 'com.android.library'
 apply plugin: 'maven'
-apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 group = 'com.github.denisviana'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
     defaultConfig {
-        minSdkVersion 21
-        targetSdkVersion 27
+        minSdkVersion 17
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
         release {
@@ -26,9 +25,9 @@ android {
 dependencies {
     implementation project(':imagesteps')
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
-    implementation 'com.android.support:appcompat-v7:27.0.2'
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.0.0-beta01'
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    androidTestImplementation 'androidx.test:runner:1.1.0-alpha4'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha4'
 }

app/src/androidTest/java/io/github/denisviana/imagesteps/ExampleInstrumentedTest.kt

@@ -1,7 +1,7 @@
 package io.github.denisviana.imagesteps
 
-import android.support.test.InstrumentationRegistry
-import android.support.test.runner.AndroidJUnit4
+import androidx.test.InstrumentationRegistry
+import androidx.test.runner.AndroidJUnit4
 
 import org.junit.Test
 import org.junit.runner.RunWith

app/src/main/java/io/github/denisviana/imagesteps/MainActivity.kt

@@ -1,7 +1,7 @@
 package io.github.denisviana.imagesteps
 
 import android.os.Bundle
-import android.support.v7.app.AppCompatActivity
+import androidx.appcompat.app.AppCompatActivity
 import kotlinx.android.synthetic.main.main_activity.*
 
 /**

build.gradle

@@ -1,14 +1,13 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.2.21'
-    ext.kotlin_version = '1.1.51'
+    ext.kotlin_version = '1.2.51'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.3.0-alpha03'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong

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

@@ -1,6 +1,6 @@
-#Sat Feb 17 14:10:02 BRST 2018
+#Thu Jul 26 20:34:38 NZST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-rc-1-all.zip

imagesteps/build.gradle

@@ -2,17 +2,16 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 27
-
+    compileSdkVersion 28
 
 
     defaultConfig {
-        minSdkVersion 21
-        targetSdkVersion 27
-        versionCode 4
-        versionName "1.0.4"
+        minSdkVersion 17
+        targetSdkVersion 28
+        versionCode 5
+        versionName "1.0.5"
 
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
     }
 
@@ -28,11 +27,11 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 
-    implementation 'com.android.support:appcompat-v7:27.0.2'
+    implementation 'androidx.appcompat:appcompat:1.0.0-beta01'
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    androidTestImplementation 'androidx.test:runner:1.1.0-alpha4'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha4'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
 repositories {
     mavenCentral()

imagesteps/src/androidTest/java/io/github/denisviana/imagestep/ExampleInstrumentedTest.java

@@ -1,8 +1,8 @@
 package io.github.denisviana.imagestep;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;

imagesteps/src/main/java/io/github/denisviana/imagestep/ImageSteps.kt

@@ -6,8 +6,8 @@ import android.content.Context
 import android.graphics.Color
 import android.graphics.drawable.GradientDrawable
 import android.os.Build
-import android.support.annotation.DrawableRes
-import android.support.v4.view.ViewPager
+import androidx.annotation.DrawableRes
+import androidx.viewpager.widget.ViewPager
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View