Use AndroidX

demoapp/build.gradle

@@ -26,7 +26,7 @@ android {
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     testImplementation 'junit:junit:4.12'
-    implementation 'com.android.support:appcompat-v7:28.0.0'
-    implementation 'com.android.support:design:28.0.0'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'com.google.android.material:material:1.1.0-alpha01'
     implementation project(':turbolinks')
 }

demoapp/src/main/java/com/basecamp/turbolinks/demo/MainActivity.java

@@ -2,12 +2,13 @@
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
 
-import com.basecamp.turbolinks.TurbolinksSession;
 import com.basecamp.turbolinks.TurbolinksAdapter;
+import com.basecamp.turbolinks.TurbolinksSession;
 import com.basecamp.turbolinks.TurbolinksView;
 
+import androidx.appcompat.app.AppCompatActivity;
+
 public class MainActivity extends AppCompatActivity implements TurbolinksAdapter {
     // Change the BASE_URL to an address that your VM or device can hit.
     private static final String BASE_URL = "http://10.0.1.100:9292";

gradle.properties

@@ -15,4 +15,6 @@
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
+# org.gradle.parallel=true
+android.enableJetifier=true
+android.useAndroidX=true

turbolinks/build.gradle

@@ -38,7 +38,7 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
     implementation 'com.google.code.gson:gson:2.8.0'
     implementation 'org.apache.commons:commons-lang3:3.4'
 

turbolinks/src/main/java/com/basecamp/turbolinks/TurbolinksSession.java

@@ -9,7 +9,6 @@
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
-import android.support.v4.widget.SwipeRefreshLayout;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -23,6 +22,8 @@
 import java.util.Date;
 import java.util.HashMap;
 
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+
 /**
  * <p>The main concrete class to use Turbolinks 5 in your app.</p>
  */

turbolinks/src/main/java/com/basecamp/turbolinks/TurbolinksSwipeRefreshLayout.java

@@ -1,9 +1,10 @@
 package com.basecamp.turbolinks;
 
 import android.content.Context;
-import android.support.v4.widget.SwipeRefreshLayout;
 import android.util.AttributeSet;
 
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+
 /**
  * <p>Custom SwipeRefreshLayout for Turbolinks.</p>
  */