Migrate to androidX and update versions

app/build.gradle

@@ -1,14 +1,14 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 30
     defaultConfig {
         applicationId "com.alexfu.countdownview.sample"
         minSdkVersion 16
-        targetSdkVersion 27
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
     buildTypes {
         release {
@@ -19,10 +19,10 @@ android {
 }
 
 dependencies {
-    implementation 'com.android.support:appcompat-v7:27.0.1'
-    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
     implementation project(":library")
-    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'
+    testImplementation 'junit:junit:4.13'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 }

app/src/androidTest/java/com/alexfu/countdownview/sample/ExampleInstrumentedTest.java

@@ -1,8 +1,8 @@
 package com.alexfu.countdownview.sample;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;

app/src/main/java/com/alexfu/countdownview/sample/MainActivity.java

@@ -1,7 +1,7 @@
 package com.alexfu.countdownview.sample;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.view.View;
 import android.widget.Button;
 import android.widget.Toast;

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

@@ -21,21 +21,21 @@
         android:layout_height="wrap_content"
         android:orientation="horizontal">
 
-        <android.support.v7.widget.AppCompatButton
+        <androidx.appcompat.widget.AppCompatButton
             android:id="@+id/button_start"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="Start"
             app:backgroundTint="#C8E6C9"/>
 
-        <android.support.v7.widget.AppCompatButton
+        <androidx.appcompat.widget.AppCompatButton
             android:id="@+id/button_reset"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="Reset"
             app:backgroundTint="#FFF9C4"/>
 
-        <android.support.v7.widget.AppCompatButton
+        <androidx.appcompat.widget.AppCompatButton
             android:id="@+id/button_stop"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"

build.gradle

@@ -7,9 +7,9 @@ buildscript {
         maven { url "https://jitpack.io" }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:4.0.1'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
-        classpath 'com.github.alexfu:androidautoversion:296be43'
+        classpath 'com.github.alexfu:androidautoversion:3.3.0'
     }
 }
 

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 @@
-#Tue Nov 14 15:10:28 EST 2017
+#Sat Oct 03 09:41:16 EEST 2020
 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-6.1.1-all.zip

library/build.gradle

@@ -4,12 +4,12 @@ apply plugin: 'com.github.alexfu.androidautoversion'
 group='com.github.alexfu'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 30
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 27
+        targetSdkVersion 30
 
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
 
     }
 
@@ -23,8 +23,8 @@ android {
 }
 
 dependencies {
-    implementation 'com.android.support:appcompat-v7:27.0.1'
-    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'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    testImplementation 'junit:junit:4.13'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 }

library/src/main/java/com/alexfu/countdownview/CountDownView.java

@@ -8,7 +8,7 @@
 import android.graphics.Paint;
 import android.os.CountDownTimer;
 import android.os.Parcelable;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.Layout;
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;