title: In mobile showing background good, but in bluestacks showing white background
body: <p>I have problem, i setted bakground image, it showing good in mobile, but in bluestacks emulator it shows white background.... Why? What is the problem?
  Can somebody help me to fix this problem?</p>
  
  <p>The problem with: android:background="@drawable/map_new_9"</p>
  
  <p>activity_main.xml</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto"
  xmlns:tools="http://schemas.android.com/tools"
  tools:ignore="ContentDescription"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  tools:context=".MainActivity"
  android:id="@+id/base"&gt;
  
  ...
  ...
  
  
      &lt;androidx.constraintlayout.widget.ConstraintLayout
          android:id="@+id/base1"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:orientation="vertical"
          app:layout_constraintBottom_toBottomOf="parent"
          app:layout_constraintEnd_toEndOf="parent"
          app:layout_constraintStart_toStartOf="parent"
          app:layout_constraintTop_toTopOf="parent"&gt;
  
          &lt;ImageView
              android:id="@+id/base2"
              android:layout_width="match_parent"
              android:layout_height="1920dp"
              android:background="@drawable/map_new_9"
              app:layout_constraintBottom_toBottomOf="parent"
              app:layout_constraintEnd_toEndOf="parent"
              app:layout_constraintStart_toStartOf="parent"
              app:layout_constraintTop_toTopOf="parent" /&gt;
  &lt;/androidx.constraintlayout.widget.ConstraintLayout&gt;
  &lt;/ScrollView&gt;
  &lt;/androidx.constraintlayout.widget.ConstraintLayout&gt;
  </code></pre>