package com.arayray.bootanimationutility;

import java.io.File;
import java.io.InputStream;

import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Movie;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;

	public class GifDemo extends Activity {

		static File PREVIEW_LOCATION = new File(Environment.getExternalStorageDirectory() + "/bootanimation/preview/");

        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(new GIFView(this));
        }
        private static class GIFView extends View{
            Movie movie;
            InputStream is=null;
            long moviestart;
            public GIFView(Context context) {
                super(context);
                String location = PREVIEW_LOCATION  + DownloadActivity.getBOOTANIMATION() + ".gif";
                is = context.getResources().openRawResource(location);
                movie = Movie.decodeStream(is);
            }

			@Override
            protected void onDraw(Canvas canvas) {
                super.onDraw(canvas);
                long now=android.os.SystemClock.uptimeMillis();

                 if (moviestart == 0) {
                	 // first time
                     moviestart = now;
                 }
                 int relTime = (int)((now - moviestart) % movie.duration()) ;
                     movie.setTime(relTime);
                     movie.draw(canvas, 100, 200);
                     this.invalidate();
            }
        }
    }