Migrate to AndroidX.

Author: sharmadhiraj

AndroidPagingLibraryStepByStepImplementationGuide.zip

@@ -5,15 +5,15 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
     defaultConfig {
         applicationId "com.sharmadhiraj.androidpaginglibrarystepbystepimplementationguide"
         minSdkVersion 16
         //noinspection OldTargetApi
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
         release {
@@ -30,20 +30,20 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 
     //Support
-    implementation 'com.android.support:appcompat-v7:27.1.1'
-    implementation 'com.android.support:design:27.1.1'
-    implementation 'com.android.support:recyclerview-v7:27.1.1'
-    implementation 'com.android.support:cardview-v7:27.1.1'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'com.google.android.material:material:1.0.0'
+    implementation 'androidx.recyclerview:recyclerview:1.0.0'
+    implementation 'androidx.cardview:cardview:1.0.0'
 
     //Architecture Components
-    implementation "android.arch.lifecycle:extensions:1.1.1"
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
 
     //Paging
-    implementation "android.arch.paging:runtime:1.0.1"
+    implementation 'androidx.paging:paging-runtime:2.1.0'
 
     //Networking
-    implementation 'com.squareup.retrofit2:retrofit:2.4.0'
-    implementation 'com.squareup.retrofit2:converter-gson:2.4.0'
+    implementation 'com.squareup.retrofit2:retrofit:2.6.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.6.0'
     implementation 'com.squareup.retrofit2:adapter-rxjava2:2.4.0'
 
     //Rx
@@ -55,6 +55,6 @@ dependencies {
 
     //Testing
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'androidx.test:runner:1.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 }

app/build.gradle

@@ -1,7 +1,7 @@
 package com.sharmadhiraj.androidpaginglibrarystepbystepimplementationguide
 
-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/androidTest/java/com/sharmadhiraj/androidpaginglibrarystepbystepimplementationguide/ExampleInstrumentedTest.kt

@@ -1,13 +1,13 @@
 package com.sharmadhiraj.androidpaginglibrarystepbystepimplementationguide
 
-import android.support.v7.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView
 import android.view.LayoutInflater
 import android.view.View
 import android.view.View.VISIBLE
 import android.view.ViewGroup
 import kotlinx.android.synthetic.main.item_list_footer.view.*
 
-class ListFooterViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+class ListFooterViewHolder(view: View) : androidx.recyclerview.widget.RecyclerView.ViewHolder(view) {
 
     fun bind(status: State?) {
         itemView.progress_bar.visibility = if (status == State.LOADING) VISIBLE else View.INVISIBLE

app/src/main/java/com/sharmadhiraj/androidpaginglibrarystepbystepimplementationguide/ListFooterViewHolder.kt

@@ -1,7 +1,7 @@
 package com.sharmadhiraj.androidpaginglibrarystepbystepimplementationguide
 
-import android.arch.lifecycle.MutableLiveData
-import android.arch.paging.PageKeyedDataSource
+import androidx.lifecycle.MutableLiveData
+import androidx.paging.PageKeyedDataSource
 import io.reactivex.Completable
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.CompositeDisposable

app/src/main/java/com/sharmadhiraj/androidpaginglibrarystepbystepimplementationguide/NewsDataSource.kt

@@ -1,7 +1,7 @@
 package com.sharmadhiraj.androidpaginglibrarystepbystepimplementationguide
 
-import android.arch.lifecycle.MutableLiveData
-import android.arch.paging.DataSource
+import androidx.lifecycle.MutableLiveData
+import androidx.paging.DataSource
 import io.reactivex.disposables.CompositeDisposable
 
 class NewsDataSourceFactory(

app/src/main/java/com/sharmadhiraj/androidpaginglibrarystepbystepimplementationguide/NewsDataSourceFactory.kt

@@ -1,10 +1,10 @@
 package com.sharmadhiraj.androidpaginglibrarystepbystepimplementationguide
 
-import android.arch.lifecycle.Observer
-import android.arch.lifecycle.ViewModelProviders
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
 import android.os.Bundle
-import android.support.v7.app.AppCompatActivity
-import android.support.v7.widget.LinearLayoutManager
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
 import android.view.View
 import android.widget.LinearLayout
 import kotlinx.android.synthetic.main.activity_news_list.*
@@ -26,7 +26,7 @@ class NewsListActivity : AppCompatActivity() {
 
     private fun initAdapter() {
         newsListAdapter = NewsListAdapter { viewModel.retry() }
-        recycler_view.layoutManager = LinearLayoutManager(this, LinearLayout.VERTICAL, false)
+        recycler_view.layoutManager = androidx.recyclerview.widget.LinearLayoutManager(this, LinearLayout.VERTICAL, false)
         recycler_view.adapter = newsListAdapter
         viewModel.newsList.observe(this, Observer {
             newsListAdapter.submitList(it)

app/src/main/java/com/sharmadhiraj/androidpaginglibrarystepbystepimplementationguide/NewsListActivity.kt

@@ -1,23 +1,23 @@
 package com.sharmadhiraj.androidpaginglibrarystepbystepimplementationguide
 
-import android.arch.paging.PagedListAdapter
-import android.support.v7.util.DiffUtil
-import android.support.v7.widget.RecyclerView
+import androidx.paging.PagedListAdapter
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.RecyclerView
 import android.view.ViewGroup
 
 class NewsListAdapter(private val retry: () -> Unit)
-    : PagedListAdapter<News, RecyclerView.ViewHolder>(NewsDiffCallback) {
+    : PagedListAdapter<News, androidx.recyclerview.widget.RecyclerView.ViewHolder>(NewsDiffCallback) {
 
     private val DATA_VIEW_TYPE = 1
     private val FOOTER_VIEW_TYPE = 2
 
     private var state = State.LOADING
 
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): androidx.recyclerview.widget.RecyclerView.ViewHolder {
         return if (viewType == DATA_VIEW_TYPE) NewsViewHolder.create(parent) else ListFooterViewHolder.create(retry, parent)
     }
 
-    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+    override fun onBindViewHolder(holder: androidx.recyclerview.widget.RecyclerView.ViewHolder, position: Int) {
         if (getItemViewType(position) == DATA_VIEW_TYPE)
             (holder as NewsViewHolder).bind(getItem(position))
         else (holder as ListFooterViewHolder).bind(state)

app/src/main/java/com/sharmadhiraj/androidpaginglibrarystepbystepimplementationguide/NewsListAdapter.kt

@@ -1,10 +1,10 @@
 package com.sharmadhiraj.androidpaginglibrarystepbystepimplementationguide
 
-import android.arch.lifecycle.LiveData
-import android.arch.lifecycle.Transformations
-import android.arch.lifecycle.ViewModel
-import android.arch.paging.LivePagedListBuilder
-import android.arch.paging.PagedList
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.Transformations
+import androidx.lifecycle.ViewModel
+import androidx.paging.LivePagedListBuilder
+import androidx.paging.PagedList
 import io.reactivex.disposables.CompositeDisposable
 
 class NewsListViewModel : ViewModel() {

app/src/main/java/com/sharmadhiraj/androidpaginglibrarystepbystepimplementationguide/NewsListViewModel.kt

@@ -1,13 +1,13 @@
 package com.sharmadhiraj.androidpaginglibrarystepbystepimplementationguide
 
-import android.support.v7.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import com.squareup.picasso.Picasso
 import kotlinx.android.synthetic.main.item_news.view.*
 
-class NewsViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+class NewsViewHolder(view: View) : androidx.recyclerview.widget.RecyclerView.ViewHolder(view) {
 
     fun bind(news: News?) {
         if (news != null) {

app/src/main/java/com/sharmadhiraj/androidpaginglibrarystepbystepimplementationguide/NewsViewHolder.kt

@@ -17,7 +17,7 @@
         android:gravity="center"
         android:text="ERROR !! Tap to retry." />
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/recycler_view"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"

app/src/main/res/layout/activity_news_list.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:card_view="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/card_view"
@@ -33,4 +33,4 @@
 
     </LinearLayout>
 
-</android.support.v7.widget.CardView>
+</androidx.cardview.widget.CardView>

app/src/main/res/layout/item_news.xml

@@ -1,13 +1,13 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.2.51'
+    ext.kotlin_version = '1.3.41'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.android.tools.build:gradle:3.4.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong

build.gradle

@@ -6,6 +6,8 @@
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # 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.
 # This option should only be used with decoupled projects. More details, visit

gradle.properties

@@ -1,6 +1,6 @@
-#Thu Aug 02 15:05:56 NPT 2018
+#Tue Jul 30 14:59:45 NPT 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip