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    <h2>EDIT</h2> <p>If i understood well what you are trying to do, substitute your code with this:</p> <p>CustomizeDialog.java</p> <pre><code>import android.app.Dialog; import android.content.Context; import android.graphics.Bitmap; import android.graphics.drawable.AnimationDrawable; import android.os.Bundle; import android.view.WindowManager; import android.widget.Button; import android.widget.ImageView; public class CustomizeDialog extends Dialog { Button okButton; ImageView imageAnim = null; Bitmap bm; Context ctx; AnimationDrawable frameAnimation; public CustomizeDialog(Context context) { super(context); ctx = context; } @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); WindowManager.LayoutParams params = getWindow().getAttributes(); params.x = 30; params.height = 500; params.width = 500; params.y = 50; getWindow().setAttributes(params); setContentView(R.layout.test); frameAnimation = new AnimationDrawable(); frameAnimation.addFrame(ctx.getResources().getDrawable(R.drawable.fb1), 1000); frameAnimation.addFrame(ctx.getResources().getDrawable(R.drawable.fb2), 1000); frameAnimation.addFrame(ctx.getResources().getDrawable(R.drawable.fb3), 1000); frameAnimation.addFrame(ctx.getResources().getDrawable(R.drawable.fb4), 1000); // set false for loop animation frameAnimation.setOneShot(false); imageAnim = (ImageView) findViewById(R.id.img); imageAnim.setBackgroundDrawable(frameAnimation); imageAnim.post(new Starter()); } class Starter implements Runnable { public void run() { frameAnimation.start(); } } } </code></pre> <p>text.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" &gt; &lt;TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Gallery animated" /&gt; &lt;ImageView android:id="@+id/img" android:layout_width="154dp" android:layout_height="217dp" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>This code show a dialog in which 4 images are loaded every second (in loop). It works. By the way, there were a lot of problems with your code.</p> <p>1) First of all, you have to put variable reference to xml layout after setContentView and not before!</p> <p>2) you can't cast <em>AnimationDrawable</em> to <em>BitmapDrawable</em> when you did <em>AnimationDrawable frameAnimation = (AnimationDrawable) img.getBackground()</em></p> <p>3) I don't understand why you tried to set <em>img.setImageBitmap(bm)</em> with a NULL bitmap variable (<em>bm</em> was never set).</p> <p>4) You have to initialize contentView in onCreate method, not in CustomDialog constructor.</p> <p>5) You have to use Thread for not stopping UI loading. If you put animation loop inside code dialog creation, dialog can be stopped and shown not correctly.</p> <p>Hope this help you</p>
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    1. COthis method is also getting same error,
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    2. COPls post xml layout content, so i can recreate project and error in my eclipse
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    3. COi edit my previous post with my code for your refference
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