Background Image & Canvas

package self.draw.adrawprogram;

import android.app.Activity;
import android.content.Context;
import android.graphics.Paint;
import android.os.Bundle;
import android.view.View;

public class MainActivity extends Activity {

    MyView myView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        myView = new MyView(this);
        setContentView(myView); // this clears the image from view

    }

    class MyView extends View {
        Paint myPaint = new Paint();

        MyView(Context context) {
            super(context);
            myPaint.setAlpha(0);
        }
    }

}