diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 8b35467..f96d923 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -19,13 +19,14 @@
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher"
         android:supportsRtl="true"
         android:theme="@style/RecThemeLight">
         <service android:name=".services.RecordingService" />
         <service
             android:name=".services.TileService"
-            android:label="@string/tile_start_recording"
             android:icon="@drawable/ic_mic_24dp"
+            android:label="@string/tile_start_recording"
             android:permission="android.permission.BIND_QUICK_SETTINGS_TILE">
             <intent-filter>
                 <action android:name="android.service.quicksettings.action.QS_TILE" />
diff --git a/app/src/main/java/com/github/axet/audiorecorder/app/AudioApplication.java b/app/src/main/java/com/github/axet/audiorecorder/app/AudioApplication.java
index e0b9d5d..5d521a3 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/app/AudioApplication.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/app/AudioApplication.java
@@ -437,7 +437,7 @@ public class AudioApplication extends com.github.axet.audiolibrary.app.MainAppli
                 .setText(text)
                 .setMainIntent(main)
                 .setChannel(channelStatus)
-                .setSmallIcon(R.drawable.ic_mic);
+                .setSmallIcon(R.drawable.ic_launcher_notification);
         NotificationManagerCompat nm = NotificationManagerCompat.from(this);
         nm.notify((int) System.currentTimeMillis(), builder.build());
     }
diff --git a/app/src/main/java/com/github/axet/audiorecorder/services/RecordingService.java b/app/src/main/java/com/github/axet/audiorecorder/services/RecordingService.java
index 883075f..ee84eda 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/services/RecordingService.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/services/RecordingService.java
@@ -18,7 +18,6 @@ import android.widget.RemoteViews;
 
 import com.github.axet.androidlibrary.app.AlarmManager;
 import com.github.axet.androidlibrary.services.PersistentService;
-import com.github.axet.androidlibrary.widgets.NotificationChannelCompat;
 import com.github.axet.androidlibrary.widgets.OptimizationPreferenceCompat;
 import com.github.axet.androidlibrary.widgets.ProximityShader;
 import com.github.axet.androidlibrary.widgets.RemoteNotificationCompat;
@@ -88,7 +87,7 @@ public class RecordingService extends PersistentService {
     }
 
     public static void startService(Context context, String targetFile, boolean recording, boolean encoding, String duration) {
-        OptimizationPreferenceCompat.startService(context, new Intent(context, RecordingService.class)
+        start(context, new Intent(context, RecordingService.class)
                 .putExtra("targetFile", targetFile)
                 .putExtra("recording", recording)
                 .putExtra("encoding", encoding)
@@ -250,8 +249,9 @@ public class RecordingService extends PersistentService {
                 .setText(text)
                 .setWhen(notification)
                 .setMainIntent(main)
-                .setOngoing(true)
-                .setSmallIcon(R.drawable.ic_mic);
+                .setAdaptiveIcon(R.drawable.ic_launcher_foreground)
+                .setSmallIcon(R.drawable.ic_launcher_notification)
+                .setOngoing(true);
 
         return builder.build();
     }
diff --git a/app/src/main/res/drawable-hdpi-v11/ic_mic.png b/app/src/main/res/drawable-hdpi-v11/ic_launcher_notification.png
similarity index 100%
rename from app/src/main/res/drawable-hdpi-v11/ic_mic.png
rename to app/src/main/res/drawable-hdpi-v11/ic_launcher_notification.png
diff --git a/app/src/main/res/drawable-hdpi/ic_mic.png b/app/src/main/res/drawable-hdpi/ic_launcher_notification.png
similarity index 100%
rename from app/src/main/res/drawable-hdpi/ic_mic.png
rename to app/src/main/res/drawable-hdpi/ic_launcher_notification.png
diff --git a/app/src/main/res/drawable-mdpi-v11/ic_mic.png b/app/src/main/res/drawable-mdpi-v11/ic_launcher_notification.png
similarity index 100%
rename from app/src/main/res/drawable-mdpi-v11/ic_mic.png
rename to app/src/main/res/drawable-mdpi-v11/ic_launcher_notification.png
diff --git a/app/src/main/res/drawable-mdpi/ic_mic.png b/app/src/main/res/drawable-mdpi/ic_launcher_notification.png
similarity index 100%
rename from app/src/main/res/drawable-mdpi/ic_mic.png
rename to app/src/main/res/drawable-mdpi/ic_launcher_notification.png
diff --git a/app/src/main/res/drawable-xhdpi-v11/ic_mic.png b/app/src/main/res/drawable-xhdpi-v11/ic_launcher_notification.png
similarity index 100%
rename from app/src/main/res/drawable-xhdpi-v11/ic_mic.png
rename to app/src/main/res/drawable-xhdpi-v11/ic_launcher_notification.png
diff --git a/app/src/main/res/drawable-xhdpi/ic_mic.png b/app/src/main/res/drawable-xhdpi/ic_launcher_notification.png
similarity index 100%
rename from app/src/main/res/drawable-xhdpi/ic_mic.png
rename to app/src/main/res/drawable-xhdpi/ic_launcher_notification.png
diff --git a/app/src/main/res/drawable-xxhdpi-v11/ic_mic.png b/app/src/main/res/drawable-xxhdpi-v11/ic_launcher_notification.png
similarity index 100%
rename from app/src/main/res/drawable-xxhdpi-v11/ic_mic.png
rename to app/src/main/res/drawable-xxhdpi-v11/ic_launcher_notification.png
diff --git a/app/src/main/res/drawable-xxhdpi/ic_mic.png b/app/src/main/res/drawable-xxhdpi/ic_launcher_notification.png
similarity index 100%
rename from app/src/main/res/drawable-xxhdpi/ic_mic.png
rename to app/src/main/res/drawable-xxhdpi/ic_launcher_notification.png
diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..0d025f9
--- /dev/null
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#008577"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml
new file mode 100644
index 0000000..6bc81af
--- /dev/null
+++ b/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,15 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <group
+        android:pivotX="12"
+        android:pivotY="12"
+        android:scaleX="0.6"
+        android:scaleY="0.6">
+        <path
+            android:fillColor="#FFF"
+            android:pathData="M12,14c1.66,0 2.99,-1.34 2.99,-3L15,5c0,-1.66 -1.34,-3 -3,-3S9,3.34 9,5v6c0,1.66 1.34,3 3,3zm5.3,-3c0,3 -2.54,5.1 -5.3,5.1S6.7,14 6.7,11H5c0,3.41 2.72,6.23 6,6.72V21h2v-3.28c3.28,-0.48 6,-3.3 6,-6.72h-1.7z"/>
+    </group>
+</vector>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 6345f44..c2fb838 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.4.0'
+        classpath 'com.android.tools.build:gradle:3.4.1'
         classpath 'com.github.axet:gradle-android-dx:0.0.4'
     }
 }