diff --git a/wearable/wear/RuntimePermissionsWear/Application/src/main/AndroidManifest.xml b/wearable/wear/RuntimePermissionsWear/Application/src/main/AndroidManifest.xml
index d8a6a28..b8edf30 100644
--- a/wearable/wear/RuntimePermissionsWear/Application/src/main/AndroidManifest.xml
+++ b/wearable/wear/RuntimePermissionsWear/Application/src/main/AndroidManifest.xml
@@ -20,10 +20,6 @@
     android:versionCode="1"
     android:versionName="1.0">
 
-    <uses-sdk
-        android:minSdkVersion="18"
-        android:targetSdkVersion="23" />
-
     <!-- Permissions for phone. -->
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 
diff --git a/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/IncomingRequestPhoneService.java b/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/IncomingRequestPhoneService.java
index 2c036cd..023665e 100644
--- a/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/IncomingRequestPhoneService.java
+++ b/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/IncomingRequestPhoneService.java
@@ -20,11 +20,11 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Environment;
-import android.support.v4.app.ActivityCompat;
 import android.util.Log;
 
-import com.example.android.wearable.runtimepermissions.common.Constants;
+import androidx.core.app.ActivityCompat;
 
+import com.example.android.wearable.runtimepermissions.common.Constants;
 import com.google.android.gms.tasks.OnCompleteListener;
 import com.google.android.gms.tasks.Task;
 import com.google.android.gms.wearable.DataMap;
diff --git a/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/MainPhoneActivity.java b/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/MainPhoneActivity.java
index d2c3ea1..c915d48 100644
--- a/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/MainPhoneActivity.java
+++ b/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/MainPhoneActivity.java
@@ -20,18 +20,18 @@
 import android.app.Activity;
 import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.os.Bundle;
 import android.os.Environment;
 import android.os.Looper;
-import android.support.v4.app.ActivityCompat;
-import android.support.v7.app.AppCompatActivity;
-import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
 
-import com.example.android.wearable.runtimepermissions.common.Constants;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
 
+import com.example.android.wearable.runtimepermissions.common.Constants;
 import com.google.android.gms.tasks.OnCompleteListener;
 import com.google.android.gms.tasks.Task;
 import com.google.android.gms.wearable.CapabilityClient;
diff --git a/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/PhonePermissionRequestActivity.java b/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/PhonePermissionRequestActivity.java
index 0b10e35..f27b3a9 100644
--- a/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/PhonePermissionRequestActivity.java
+++ b/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/PhonePermissionRequestActivity.java
@@ -20,12 +20,13 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.v4.app.ActivityCompat;
-import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.View;
 
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+
 /**
  * This is a simple splash screen (activity) for giving more details on why the user should approve
  * phone permissions for storage. If they choose to move forward, the permission screen
diff --git a/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/WearPermissionRequestActivity.java b/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/WearPermissionRequestActivity.java
index 3340ef6..0a63e9e 100644
--- a/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/WearPermissionRequestActivity.java
+++ b/wearable/wear/RuntimePermissionsWear/Application/src/main/java/com/example/android/wearable/runtimepermissions/WearPermissionRequestActivity.java
@@ -18,11 +18,12 @@
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.support.v4.app.ActivityCompat;
-import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.View;
 
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+
 /**
  * This is a simple splash screen (activity) for giving more details on why the user should approve
  * phone permissions for storage. If they choose to move forward, the permission screen
diff --git a/wearable/wear/RuntimePermissionsWear/Shared/build.gradle b/wearable/wear/RuntimePermissionsWear/Shared/build.gradle
index c8b3782..d11e010 100644
--- a/wearable/wear/RuntimePermissionsWear/Shared/build.gradle
+++ b/wearable/wear/RuntimePermissionsWear/Shared/build.gradle
@@ -6,7 +6,7 @@
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.0'
+        classpath 'com.android.tools.build:gradle:3.3.2'
     }
 }
 
diff --git a/wearable/wear/RuntimePermissionsWear/Wearable/src/main/AndroidManifest.xml b/wearable/wear/RuntimePermissionsWear/Wearable/src/main/AndroidManifest.xml
index 385d3ce..e56ec85 100644
--- a/wearable/wear/RuntimePermissionsWear/Wearable/src/main/AndroidManifest.xml
+++ b/wearable/wear/RuntimePermissionsWear/Wearable/src/main/AndroidManifest.xml
@@ -20,10 +20,6 @@
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.BODY_SENSORS" />
 
-    <uses-sdk
-        android:minSdkVersion="21"
-        android:targetSdkVersion="23" />
-
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
diff --git a/wearable/wear/RuntimePermissionsWear/Wearable/src/main/java/com/example/android/wearable/runtimepermissions/IncomingRequestWearService.java b/wearable/wear/RuntimePermissionsWear/Wearable/src/main/java/com/example/android/wearable/runtimepermissions/IncomingRequestWearService.java
index 408b470..6c4c82e 100644
--- a/wearable/wear/RuntimePermissionsWear/Wearable/src/main/java/com/example/android/wearable/runtimepermissions/IncomingRequestWearService.java
+++ b/wearable/wear/RuntimePermissionsWear/Wearable/src/main/java/com/example/android/wearable/runtimepermissions/IncomingRequestWearService.java
@@ -21,11 +21,11 @@
 import android.content.pm.PackageManager;
 import android.hardware.Sensor;
 import android.hardware.SensorManager;
-import android.support.v4.app.ActivityCompat;
 import android.util.Log;
 
-import com.example.android.wearable.runtimepermissions.common.Constants;
+import androidx.core.app.ActivityCompat;
 
+import com.example.android.wearable.runtimepermissions.common.Constants;
 import com.google.android.gms.tasks.OnCompleteListener;
 import com.google.android.gms.tasks.Task;
 import com.google.android.gms.wearable.CapabilityClient;
diff --git a/wearable/wear/RuntimePermissionsWear/Wearable/src/main/java/com/example/android/wearable/runtimepermissions/MainWearActivity.java b/wearable/wear/RuntimePermissionsWear/Wearable/src/main/java/com/example/android/wearable/runtimepermissions/MainWearActivity.java
index 685f200..1f26f03 100644
--- a/wearable/wear/RuntimePermissionsWear/Wearable/src/main/java/com/example/android/wearable/runtimepermissions/MainWearActivity.java
+++ b/wearable/wear/RuntimePermissionsWear/Wearable/src/main/java/com/example/android/wearable/runtimepermissions/MainWearActivity.java
@@ -23,16 +23,16 @@
 import android.hardware.SensorManager;
 import android.os.Bundle;
 import android.os.Looper;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.app.FragmentActivity;
-import android.support.wear.ambient.AmbientModeSupport;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
 
-import com.example.android.wearable.runtimepermissions.common.Constants;
+import androidx.core.app.ActivityCompat;
+import androidx.fragment.app.FragmentActivity;
+import androidx.wear.ambient.AmbientModeSupport;
 
+import com.example.android.wearable.runtimepermissions.common.Constants;
 import com.google.android.gms.tasks.OnCompleteListener;
 import com.google.android.gms.tasks.Task;
 import com.google.android.gms.wearable.CapabilityClient;
diff --git a/wearable/wear/RuntimePermissionsWear/Wearable/src/main/res/layout/activity_main.xml b/wearable/wear/RuntimePermissionsWear/Wearable/src/main/res/layout/activity_main.xml
index b0e9034..f6c4af7 100644
--- a/wearable/wear/RuntimePermissionsWear/Wearable/src/main/res/layout/activity_main.xml
+++ b/wearable/wear/RuntimePermissionsWear/Wearable/src/main/res/layout/activity_main.xml
@@ -12,7 +12,7 @@
   limitations under the License.
   -->
 
-<android.support.wear.widget.BoxInsetLayout
+<androidx.wear.widget.BoxInsetLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
@@ -62,4 +62,4 @@
             android:text="@string/hello_wear_activity_main" />
     </LinearLayout>
 
-</android.support.wear.widget.BoxInsetLayout>
+</androidx.wear.widget.BoxInsetLayout>
diff --git a/wearable/wear/RuntimePermissionsWear/Wearable/src/main/res/layout/activity_request_permission_on_phone.xml b/wearable/wear/RuntimePermissionsWear/Wearable/src/main/res/layout/activity_request_permission_on_phone.xml
index f96d80b..7df1bb6 100644
--- a/wearable/wear/RuntimePermissionsWear/Wearable/src/main/res/layout/activity_request_permission_on_phone.xml
+++ b/wearable/wear/RuntimePermissionsWear/Wearable/src/main/res/layout/activity_request_permission_on_phone.xml
@@ -12,7 +12,7 @@
   limitations under the License.
   -->
 
-<android.support.wear.widget.BoxInsetLayout
+<androidx.wear.widget.BoxInsetLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
@@ -40,7 +40,7 @@
             android:paddingRight="6dp"
             android:textColor="#000000"/>
 
-        <android.support.v4.widget.Space
+        <androidx.legacy.widget.Space
             android:layout_width="18dp"
             android:layout_height="18dp"/>
 
@@ -57,7 +57,7 @@
                 app:circle_color="#0086D4"
                 android:src="@drawable/ic_cc_open_on_phone"/>
 
-            <android.support.v4.widget.Space
+            <androidx.legacy.widget.Space
                 android:layout_width="8dp"
                 android:layout_height="8dp"/>
 
@@ -71,4 +71,4 @@
                 android:textColor="#0086D4"/>
         </LinearLayout>
     </LinearLayout>
-</android.support.wear.widget.BoxInsetLayout>
\ No newline at end of file
+</androidx.wear.widget.BoxInsetLayout>
\ No newline at end of file
diff --git a/wearable/wear/RuntimePermissionsWear/gradle.properties b/wearable/wear/RuntimePermissionsWear/gradle.properties
new file mode 100644
index 0000000..94f8472
--- /dev/null
+++ b/wearable/wear/RuntimePermissionsWear/gradle.properties
@@ -0,0 +1,22 @@
+
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Settings specified in this file will override any Gradle settings
+# configured through the IDE.
+
+# For more details on how to configure your build environment visit
+# 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.
+# Default value: -Xmx10248m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+
+# 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
+
+android.useAndroidX=true
+android.enableJetifier=true
diff --git a/wearable/wear/RuntimePermissionsWear/template-params.xml b/wearable/wear/RuntimePermissionsWear/template-params.xml
index 420265f..0ea4c62 100644
--- a/wearable/wear/RuntimePermissionsWear/template-params.xml
+++ b/wearable/wear/RuntimePermissionsWear/template-params.xml
@@ -21,20 +21,25 @@
     <package>com.example.android.wearable.runtimepermissions</package>
 
     <minSdk>18</minSdk>
-    <targetSdkVersion>27</targetSdkVersion>
+    <targetSdkVersion>28</targetSdkVersion>
 
     <minSdkVersionWear>23</minSdkVersionWear>
-    <targetSdkVersionWear>26</targetSdkVersionWear>
+    <targetSdkVersionWear>28</targetSdkVersionWear>
     <multiDexEnabled>true</multiDexEnabled>
 
     <wearable>
         <has_handheld_app>true</has_handheld_app>
     </wearable>
 
-    <dependency>com.android.support:appcompat-v7:27.1.1</dependency>
-    <dependency>com.android.support:design:27.1.1</dependency>
+    <androidX>true</androidX>
 
-    <dependency_wearable>com.android.support:wear:27.1.1</dependency_wearable>
+    <dependency>androidx.appcompat:appcompat:1.0.2</dependency>
+    <dependency>com.google.android.material:material:1.0.0</dependency>
+    <dependency>androidx.legacy:legacy-support-v13:1.0.0</dependency>
+
+    <dependency_wearable>androidx.wear:wear:1.0.0</dependency_wearable>
+    <dependency_wearable>androidx.legacy:legacy-support-v13:1.0.0</dependency_wearable>
+
 
     <strings>
         <intro>