add a launcher icon

app/src/main/AndroidManifest.xml

@@ -5,7 +5,7 @@
 
     <application
         android:allowBackup="true"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@mipmap/launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
@@ -39,9 +39,7 @@
             android:screenOrientation="portrait"/>
 
         <receiver
-            android:name=".MyWidgetProvider"
-            android:icon="@mipmap/ic_launcher"
-            android:label="@string/app_name">
+            android:name=".MyWidgetProvider">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
             </intent-filter>