Android图片放大修改代码

package com.jinyan.TestImage;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import Android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.widget.Button;
import android.widget.ImageView;

public class TestImage extends Activity {
        /** Called when the activity is first created. */

private static final String tag = "TestImage.............";
       
        String imageUrl = "http://i.pbase.com/o6/92/229792/1/80199697.uAs58yHk.50pxCross_of_the_Knights_Templar_svg.png";
        Bitmap bmImg;
        ImageView imView;

Button button1;
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.main);
                imView = (ImageView) findViewById(R.id.imview);
                imView.setImageBitmap(returnBitMap(imageUrl));

Bitmap bitmap = returnBitMap(imageUrl);

imView.setImageDrawable(resizeImage(bitmap, 600, 600));
        }
       
        public Bitmap returnBitMap(String url) {
                URL myFileUrl = null;
                Bitmap bitmap = null;
                try {
                        myFileUrl = new URL(url);
                } catch (MalformedURLException e) {
                        e.printStackTrace();
                }
                try {
                        HttpURLConnection conn = (HttpURLConnection) myFileUrl
                                        .openConnection();
                        conn.setDoInput(true);
                        conn.connect();
                        InputStream is = conn.getInputStream();
                        bitmap = BitmapFactory.decodeStream(is);
                        is.close();
                } catch (IOException e) {
                        e.printStackTrace();
                }
                Log.v(tag,bitmap.toString());
               
                return bitmap;
        }

public static Drawable resizeImage(Bitmap bitmap, int w, int h) {

// load the origial Bitmap
                Bitmap BitmapOrg = bitmap;