title: Android image not showing in imageview
body: <p>I am having problems with my xml file. I want to show a picture but the picture is not showing. Strange thing is I am using the same picture in an other part of my app and there everithing is working fine. The foto I am using is also showing in android studio but not on my phone. You can find my xml below.</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout 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"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:background="@color/backgroundcollor"&gt;  
  
   &lt;ImageView
      android:id="@+id/imgPersoon"
      android:layout_width="100dp"
      android:layout_height="100dp"
      android:layout_alignParentTop="true"
      android:layout_centerHorizontal="true"
      android:layout_marginTop="65dp"
      android:adjustViewBounds="true"
      android:scaleType="fitXY"
      app:srcCompat="@drawable/persoon" /&gt;
  
  &lt;ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"
      android:layout_below="@+id/imgPersoon"
      android:fillViewport="false"
      android:orientation="vertical"
      android:padding="10dp"&gt;
  &lt;RelativeLayout
      android:layout_width="match_parent"
      android:layout_height="wrap_content"&gt;
  
          &lt;TextView
              android:id="@+id/txtName"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:layout_alignParentStart="true"
              android:layout_marginTop="14dp"
              android:text="Naam:"
              android:textAlignment="center"
              android:textColor="@color/colorPrimary" /&gt;
  
      &lt;EditText
              android:id="@+id/txtFirstName"
              android:layout_width="match_parent"
              android:layout_height="25dp"
              android:layout_below="@+id/txtName"
              android:layout_centerHorizontal="true"
              android:layout_marginLeft="10dp"
              android:layout_marginRight="10dp"
              android:background="@drawable/rounded_button_grey"
              android:ems="10"
              android:inputType="textPersonName"
              android:text="Name"
              android:textSize="14sp" /&gt;
  
      &lt;EditText
          android:id="@+id/txtLastName"
          android:layout_width="match_parent"
          android:layout_height="25dp"
          android:layout_below="@+id/txtFirstName"
          android:layout_centerHorizontal="true"
          android:layout_marginLeft="10dp"
          android:layout_marginTop="10dp"
          android:layout_marginRight="10dp"
          android:background="@drawable/rounded_button_grey"
          android:ems="10"
          android:inputType="textPersonName"
          android:text="Name"
          android:textSize="14sp" /&gt;
  
      &lt;TextView
          android:id="@+id/txtDate"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:layout_below="@+id/txtLastName"
          android:layout_marginTop="14dp"
          android:text="Naam:"
          android:textAlignment="center"
          android:textColor="@color/colorPrimary" /&gt;
  
  &lt;/RelativeLayout&gt;
  
  &lt;/ScrollView&gt;
  &lt;/RelativeLayout&gt;
  </code></pre>