add icon as svg

* recreate all launcher icons

app/src/main/res/drawable/background_splash.xml

@@ -6,7 +6,7 @@
     <item android:gravity="center" android:width="144dp" android:height="144dp">
         <bitmap
                 android:gravity="fill_horizontal|fill_vertical"
-                android:src="@mipmap/ic_laogai_icon_splash"/>
+                android:src="@drawable/ic_splash_logo"/>
     </item>
 
 </layer-list>

app/src/main/res/layouts/fragments/layout/fragment_on_welcome.xml

@@ -10,17 +10,17 @@
             android:layout_height="match_parent">
 
         <ImageView
-                android:id="@+id/logo"
-                android:layout_width="256dp"
-                android:layout_height="256dp"
-                android:contentDescription="@string/app_name"
-                android:scaleType="fitCenter"
-                app:layout_constraintBottom_toTopOf="@+id/linearLayout3"
-                app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintHorizontal_bias="0.5"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="parent"
-                app:srcCompat="@mipmap/ic_launcher_foreground" />
+            android:id="@+id/logo"
+            android:layout_width="256dp"
+            android:layout_height="256dp"
+            android:contentDescription="@string/app_name"
+            android:scaleType="fitCenter"
+            app:layout_constraintBottom_toTopOf="@+id/linearLayout3"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:srcCompat="@mipmap/ic_laogai_icon_foreground" />
 
         <LinearLayout
                 android:id="@+id/linearLayout3"

app/src/main/res/mipmap-anydpi-v26/ic_laogai_icon.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/ic_launcher_background"/>
-    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+    <background android:drawable="@color/ic_laogai_icon_background"/>
+    <foreground android:drawable="@mipmap/ic_laogai_icon_foreground"/>
 </adaptive-icon>

app/src/main/res/values/colors.xml

@@ -3,7 +3,7 @@
     <color name="colorPrimary">#009688</color>
     <color name="colorPrimaryDark">#009688</color>
     <color name="colorAccent">#0096ff</color>
-    <color name="ic_launcher_background">#ffffff</color>
+    <color name="ic_laogai_icon_background">#ffffff</color>
 
     <!--theme color section, not the working colors-->
     <color name="themePrimaryDark">#000000</color>