adding background image

.idea/misc.xml

@@ -3,7 +3,8 @@
   <component name="DesignSurface">
     <option name="filePathToZoomLevelMap">
       <map>
-        <entry key="..\:/Users/wishwa/StudioProjects/Skidndiseaseapp/app/src/main/res/layout/activity_main.xml" value="0.12771739130434784" />
+        <entry key="..\:/Users/wishwa/StudioProjects/Skidndiseaseapp/app/src/main/res/layout/activity_main.xml" value="0.19270833333333334" />
+        <entry key="..\:/Users/wishwa/StudioProjects/Skidndiseaseapp/app/src/main/res/layout/fragment_camera.xml" value="0.1" />
         <entry key="..\:/Users/wishwa/StudioProjects/Skidndiseaseapp/app/src/main/res/layout/fragment_chat.xml" value="0.12771739130434784" />
         <entry key="..\:/Users/wishwa/StudioProjects/Skidndiseaseapp/app/src/main/res/layout/fragment_medc.xml" value="0.12771739130434784" />
         <entry key="..\:/Users/wishwa/StudioProjects/Skidndiseaseapp/app/src/main/res/layout/fragment_search.xml" value="0.12771739130434784" />

app/src/main/res/layout/activity_main.xml

@@ -4,6 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@drawable/background"
     tools:context=".MainActivity">
 
     <FrameLayout

app/src/main/res/layout/fragment_camera.xml

@@ -3,6 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@drawable/background"
     tools:context=".CameraFragment">
 
     <!-- TODO: Update blank fragment layout -->

app/src/main/res/layout/fragment_chat.xml

@@ -3,6 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@drawable/background"
     tools:context=".ChatFragment">
 
     <!-- TODO: Update blank fragment layout -->

app/src/main/res/layout/fragment_medc.xml

@@ -3,6 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@drawable/background"
     tools:context=".MedcFragment">
 
     <!-- TODO: Update blank fragment layout -->

app/src/main/res/layout/fragment_search.xml

@@ -3,7 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background=""
+    android:background="@drawable/background"
     tools:context=".SearchFragment">
 
     <!-- TODO: Update blank fragment layout -->