BGAUILImageLoader.java

/**
 * Copyright 2016 bingoogolapple
 * <p/>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.bingoogolapple.photopicker.imageloader;

import android.app.Activity;
import android.graphics.Bitmap;
import android.support.annotation.DrawableRes;
import android.view.View;
import android.widget.ImageView;

import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.assist.ImageSize;
import com.nostra13.universalimageloader.core.imageaware.ImageViewAware;
import com.nostra13.universalimageloader.core.listener.SimpleImageLoadingListener;

import cn.bingoogolapple.photopicker.util.BGAPhotoPickerUtil;

/**
 * 作者:王浩 邮件:bingoogolapple@gmail.com
 * 创建时间:16/6/25 下午5:39
 * 描述:
 */
public class BGAUILImageLoader extends BGAImageLoader {

    private void initImageLoader() {
        if (!ImageLoader.getInstance().isInited()) {
            DisplayImageOptions options = new DisplayImageOptions.Builder().cacheInMemory(true).cacheOnDisk(true).build();
            ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(BGAPhotoPickerUtil.sApp).threadPoolSize(3).defaultDisplayImageOptions(options).build();
            ImageLoader.getInstance().init(config);
        }
    }

    @Override
    public void display(ImageView imageView, String path, @DrawableRes int loadingResId, @DrawableRes int failResId, int width, int height, final DisplayDelegate delegate) {
        initImageLoader();

        DisplayImageOptions options = new DisplayImageOptions.Builder()
                .showImageOnLoading(loadingResId)
                .showImageOnFail(failResId)
                .cacheInMemory(true)
                .build();
        ImageSize imageSize = new ImageSize(width, height);

        ImageLoader.getInstance().displayImage(getPath(path), new ImageViewAware(imageView), options, imageSize, new SimpleImageLoadingListener() {
            @Override
            public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
                if (delegate != null) {
                    delegate.onSuccess(view, imageUri);
                }
            }
        }, null);
    }

    @Override
    public void download(String path, final DownloadDelegate delegate) {
        initImageLoader();

        ImageLoader.getInstance().loadImage(getPath(path), new SimpleImageLoadingListener() {
            @Override
            public void onLoadingComplete(String imageUri, View view, final Bitmap loadedImage) {
                if (delegate != null) {
                    delegate.onSuccess(imageUri, loadedImage);
                }
            }

            @Override
            public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
                if (delegate != null) {
                    delegate.onFailed(imageUri);
                }
            }
        });
    }

    @Override
    public void pause(Activity activity) {
        initImageLoader();
        ImageLoader.getInstance().pause();
    }

    @Override
    public void resume(Activity activity) {
        initImageLoader();
        ImageLoader.getInstance().resume();
    }
}