图片 压缩

public class MainActivity extends AppCompatActivity {private ImageView img;    private final static String IMAGE_URL = "http://f2.kkmh.com/image/170707/6r2pzk9pu.webp-w320";    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        img= (ImageView) findViewById(R.id.img);        ImageLoader.getInstance().displayImage(IMAGE_URL,img);    }}
public class MyApplica extends Application{    @Override    public void onCreate() {        super.onCreate();        ImageLoaderConfiguration config=ImageLoaderConfiguration.createDefault(this);        //初始化        ImageLoader.getInstance().init(config);    }}