title: Setting preference layout and changing the attribute in it
body: <p>is it possible to access programmatically a layout which is set to a Preference?</p>
  
  <p>Here is what I have, a very simple project - proof of concept</p>
  
  <p>The Preference Activity:</p>
  
  <pre><code>package com.example;
  
  import android.os.Bundle;
  import android.preference.PreferenceActivity;
  import android.util.Log;
  import android.view.View;
  
  public class PreferenceExampleActivity extends PreferenceActivity {
      /** Called when the activity is first created. */
      @Override
      public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          addPreferencesFromResource(R.xml.preferences);
  
          ImageView v = (ImageView) findViewById(R.id.iconka);
  
      }
  }
  </code></pre>
  
  <p>The resource XML:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;PreferenceScreen
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:key="settings"&gt;
      &lt;PreferenceCategory 
          android:title="Category Setting Name" 
          android:order="1" 
          android:key="Main"&gt;
          &lt;Preference 
              android:order="1" 
              android:title="Setting" 
              android:summary="Setting1" 
              android:layout="@layout/profile_preference_row"
              android:key="profile" /&gt;
      &lt;/PreferenceCategory&gt;
  &lt;/PreferenceScreen&gt;
  </code></pre>
  
  <p>The custom layout for the Preference:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  
  &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
      android:id="@android:id/widget_frame"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:minHeight="?android:attr/listPreferredItemHeight"
      android:gravity="center_vertical"
      android:paddingRight="?android:attr/scrollbarSize"&gt;
  
  
  
      &lt;RelativeLayout
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_marginLeft="15dip"
          android:layout_marginRight="6dip"
          android:layout_marginTop="6dip"
          android:layout_marginBottom="6dip"
          android:layout_weight="1"&gt;
  
          &lt;TextView android:id="@+android:id/title"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:singleLine="true"
              android:textAppearance="?android:attr/textAppearanceLarge"
              android:ellipsize="marquee"
              android:fadingEdge="horizontal" /&gt;
  
          &lt;TextView android:id="@+android:id/summary"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_below="@android:id/title"
              android:layout_alignLeft="@android:id/title"
              android:textAppearance="?android:attr/textAppearanceSmall"
              android:textColor="?android:attr/textColorSecondary"
              android:maxLines="4" /&gt;
  
      &lt;/RelativeLayout&gt;
      &lt;ImageView
          android:id="@+id/iconka"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_gravity="center"
          /&gt;
  &lt;/LinearLayout&gt;
  </code></pre>
  
  <p>What I want is to be able to access the "iconka" ImageView from the Activity and change the image from there. I am using API 8 (Android 2.2)</p>
  
  <p>Currently the "v" is null and I don't have any idea why is that.</p>
  
  <p>A hint will be much appreciated!</p>
  
  <p><strong>Update - The Solution:</strong> 
  Actually, I needed a custom preference which I can modify for my needs. This one is a practical guide how to create your own Custom preference in your project:
  <a href="http://android-journey.blogspot.com/2010/01/for-almost-any-application-we-need-to.html" rel="noreferrer">Android &amp; Amir - Android Preferences </a>
  See the part when the author creates a custom preference class.</p>