Fix adaptive icon

config.xml

@@ -19,6 +19,7 @@
     <preference name="ShowSplashScreenSpinner" value="false"/>
 
     <platform name="android">
+	<preference name="android-minSdkVersion" value="21" />
         <preference name="HeaderColor" value="#324150"/>
         <preference name="StatusBarBackgroundColor" value=""/>
         <allow-intent href="market:*"/>
@@ -28,6 +29,7 @@
         <icon background="res/android/mipmap-xhdpi/ic_launcher_background.png" density="xhdpi" foreground="res/android/mipmap-xhdpi/ic_launcher_foreground.png" src="res/android/mipmap-xhdpi/ic_launcher.png" />
         <icon background="res/android/mipmap-xxhdpi/ic_launcher_background.png" density="xxhdpi" foreground="res/android/mipmap-xxhdpi/ic_launcher_foreground.png" src="res/android/mipmap-xxhdpi/ic_launcher.png" />
         <icon background="res/android/mipmap-xxxhdpi/ic_launcher_background.png" density="xxxhdpi" foreground="res/android/mipmap-xxxhdpi/ic_launcher_foreground.png" src="res/android/mipmap-xxxhdpi/ic_launcher.png" />
+	<resource-file src="res/android/mipmap-anydpi-v26/ic_launcher.xml" target="app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml" />
 
         <splash src="res/android/drawable-land-hdpi/screen.png" density="land-hdpi"/>
         <splash src="res/android/drawable-land-ldpi/screen.png" density="land-ldpi"/>

res/android/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="@mipmap/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>