Drawable : Programmatic

Drawable : Programmatic

package <<packageName>>;

import android.app.Activity;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import course.examples.Graphics.Bubble.R;

public class <<activityName>> extends Activity {
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
//Set the layout for the main activity view.  
		setContentView(R.layout.main);

//Create a empty RelativeLayout holder to act as the frame. 
		RelativeLayout relativeLayout = (RelativeLayout) findViewById(R.id.frame);

//Create a new ImageView instance Call the setImageDrawable method on the new instance and set to the bitmap file

		ImageView <<ImageViewInstanceName>> = new ImageView(getApplicationContext());
		<<ImageViewInstanceName>>.setImageDrawable(getResources().getDrawable(R.drawable.b128));

//  Set width and height by referencing value in dimen.xml file.  
		int width = (int) getResources().getDimension(R.dimen.image_width);
		int height = (int) getResources().getDimension(R.dimen.image_height);

//Set layout params, using the addRule().   
		RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(
				width, height);
		params.addRule(RelativeLayout.CENTER_IN_PARENT);

		<<ImageViewInstanceName>>.setLayoutParams(params);

//Add the view to relativeLayout frame. 
		relativeLayout.addView(<<ImageViewInstanceName>>);
	}
}

========================
//layout file, empty RelativeLayout "frame"  

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/frame"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#FF444444" >

</RelativeLayout>