android 解决imageloader加载内存溢出

jar 下载地址

http://pan.baidu.com/s/1eRYdu8M

创建 ImageManager

/**
 * Created by meixi on 2016/12/27. 17:23
 * 邮箱 [e-mail]
 */
import android.graphics.Bitmap;

import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;
import com.zscainiao.video_.R;

public class ImageManager {
/**
 * 获取图片加载
 *
 * @return
 */
 public static ImageLoader getInstance() {
return ImageLoader.getInstance();
    }

/**
 * 新闻图片缓存设置
 */

 private static DisplayImageOptions newsHeadOptions;

    public static DisplayImageOptions getNewsHeadOptions() {
if (newsHeadOptions == null) {
newsHeadOptions = new DisplayImageOptions.Builder()
                    .showImageForEmptyUri(R.drawable.item)
                    .showImageOnFail(R.drawable.item)
                    .showImageOnLoading(R.drawable.item)
                    .cacheInMemory(true) // 缓存内存
                    .cacheOnDisc(true)// 缓存文件
                    .build();
        }
return newsHeadOptions;
    }

private static DisplayImageOptions viewsHeadOptions;

    public static DisplayImageOptions getViewsHeadOptions() {
if (viewsHeadOptions == null) {
viewsHeadOptions = new DisplayImageOptions.Builder()
                    .showImageOnLoading(R.drawable.item)
                    .showImageForEmptyUri(R.drawable.item)
                    .showImageOnFail(R.drawable.item)
                    .resetViewBeforeLoading(false).cacheOnDisc(true)
                    .cacheInMemory(true).imageScaleType(ImageScaleType.EXACTLY)
                    .bitmapConfig(Bitmap.Config.RGB_565)
                    .considerExifParams(true)
                    .displayer(new FadeInBitmapDisplayer(100)).build();
        }
return viewsHeadOptions;
    }

private static DisplayImageOptions userImageOptions;

    public static DisplayImageOptions getUserImageOptions() {
if (userImageOptions == null) {
userImageOptions = new DisplayImageOptions.Builder()
                    .showImageForEmptyUri(R.drawable.item)
                    .showImageOnFail(R.drawable.item)
                    .cacheInMemory(true) // 缓存内存
                    .cacheOnDisc(true)// 缓存文件
                    .build();
        }
return userImageOptions;
    }

}

引用ImageManager读取URL显示图片

ImageManager.getInstance().displayImage(url, imageView, ImageManager.getViewsHeadOptions());