For example I have this problem now. I have wrote this code:

package com.Prova;

import android.app.Activity;
import android.os.Bundle;
import android.graphics.*;

public class prova extends Activity {


    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.main);
    }

    Paint paint;
    protected void onDraw(Canvas canvas){

        Bitmap
bitmap=BitmapFactory.decodeResource(getResources(),R.drawable.divano3);
        canvas.drawBitmap(bitmap, 0, 0, paint);
    }
}

But it doesn't work like if the onDraw method don't work. How is
possible?

On 20 Mar, 12:45, Mark Murphy <mmur...@commonsware.com> wrote:
> massimo wrote:
> > For example, I have try to use the demo files of Lunar. But there
> > isn't a file inside di example. There isn't R.java file.
>
> R.java is generated as part of the compile process. You will find it in
> the gen/ directory tree after your first build.
>
> --
> Mark Murphy (a Commons 
> Guy)http://commonsware.com|http://twitter.com/commonsguy
>
> Android Training...At Your Office:http://commonsware.com/training

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