[安卓开发] Glide图片加载库的简单封装使用

来源：互联网发布：etcd raft 源码阅读编辑：程序博客网时间：2024/05/02 01:38

Glide简单封装，支持CircleImageView，方便自己使用
Github地址：https://github.com/tpnet/GlideUtils
打开后点一下右上角的 star，谢谢

源码：注释基本都有了

package com.minstone.util.Glide;import android.app.Activity;import android.content.Context;import android.graphics.Bitmap;import android.graphics.drawable.Drawable;import android.widget.ImageView;import com.bumptech.glide.DrawableTypeRequest;import com.bumptech.glide.Glide;import com.bumptech.glide.load.engine.DiskCacheStrategy;import com.bumptech.glide.load.resource.drawable.GlideDrawable;import com.bumptech.glide.load.resource.gif.GifDrawable;import com.bumptech.glide.request.RequestListener;import com.bumptech.glide.request.animation.GlideAnimation;import com.bumptech.glide.request.target.SimpleTarget;import com.bumptech.glide.request.target.Target;import com.minstone.mdoctor.R;import com.minstone.util.DensityUtil;import com.minstone.util.LogUtil;import com.minstone.view.CircleImageView;import java.io.File;/** * Created by litp on 2016/8/6. */public abstract class GlideUtils {    //图片加载监听器    public abstract interface ImageLoadListener {        /**         * 图片加载成功回调         *         * @param uri      图片url 或资源id 或 文件         * @param view     目标载体，不传则为空         * @param resource 返回的资源,GlideDrawable或者Bitmap或者GifDrawable,ImageView.setImageRecourse设置         */        <T, K> void onLoadingComplete(T uri, ImageView view, K resource);        /**         * 图片加载异常返回         *         * @param source   图片地址、File、资源id         * @param e 异常信息         */        <T> void onLoadingError(T source, Exception e);    }    public abstract interface ImageLoadDetailListener {        /**         * 图片加载成功回调         *         * @param uri      图片url 或资源id 或 文件         * @param view     目标载体，不传则为空         * @param resource 返回的资源,GlideDrawable或者Bitmap或者GifDrawable,ImageView.setImageRecourse设置         */        <T, K> void onLoadingComplete(T uri, ImageView view, K resource);        /**         * 图片加载异常返回         *         * @param source   图片地址、File、资源id         * @param e 异常信息         */        <T> void onLoadingError(T source, Exception e);        <T> void onLoadingStart(T source);    }    /**     * 根据上下文和 url获取 Glide的DrawableTypeRequest     *     * @param context 上下文     * @param url     图片连接     * @param <T>     Context类型     * @param <K>     url类型     * @return 返回DrawableTypeRequst<K> 类型     */    private static <T, K> DrawableTypeRequest<K> getContext(T context, K url) {        DrawableTypeRequest<K> type = null;        try{            if (context instanceof android.support.v4.app.Fragment) {                type = Glide.with((android.support.v4.app.Fragment) context).load(url);            } else if (context instanceof android.app.Fragment) {                type = Glide.with((android.app.Fragment) context).load(url);            } else if (context instanceof Activity) {    //包括FragmentActivity                type = Glide.with((Activity) context).load(url);            } else if (context instanceof Context) {                type = Glide.with((Context) context).load(url);            }        }catch (Exception e){            e.printStackTrace();            LogUtil.e("Glide的Context错误");        }        return type;    }    /**     * 图片加载监听类     *     * @param <T> 图片链接 的类型     * @param <K> 图片资源返回类型     * @param <Z> 返回的图片url     */    private static class GlideListener<T, K, Z> implements RequestListener<T, K> {        ImageLoadListener imageLoadListener = null;        Z url;        ImageView imageView = null;        GlideListener(ImageLoadListener imageLoadListener, Z url, ImageView view) {            this.imageLoadListener = imageLoadListener;            this.url = url;            this.imageView = view;        }        GlideListener(ImageLoadListener imageLoadListener, Z url) {            this.imageLoadListener = imageLoadListener;            this.url = url;        }        GlideListener(Z url) {            this.url = url;        }        @Override        public boolean onResourceReady(K resource, T model, Target<K> target, boolean isFromMemoryCache, boolean isFirstResource) {            if (null != imageLoadListener) {                if (imageView != null) {                    imageLoadListener.onLoadingComplete(url, imageView, resource);                } else {                    LogUtil.e("加载完成回调");                    imageLoadListener.onLoadingComplete(url, null, resource);                }            }            return false;        }        @Override        public boolean onException(Exception e, T model, Target<K> target, boolean isFirstResource) {            if (imageLoadListener != null) {                imageLoadListener.onLoadingError(url, e);            }            return false;        }    }    /**     * 获取存储器上的图片,回调返回GlideDrawable     *     * @param context           上下文年     * @param file              文件File     * @param imageLoadListener 回调监听器     */    public static <T> void loadImage(T context, final File file, final ImageLoadListener imageLoadListener) {        DrawableTypeRequest<File> type = getContext(context, file);        if(type != null){            type.listener(new GlideListener<File, GlideDrawable, File>(imageLoadListener, file));        }    }    /**     * 获取资源中的图片，回调返回GlideDrawable     *     * @param context           上下文     * @param resourceId        资源id     * @param imageLoadListener 回调监听器     */    public static <T> void loadImage(T context, final int resourceId, final ImageLoadListener imageLoadListener) {        DrawableTypeRequest<Integer> type = getContext(context, resourceId);        if(type != null){            type.listener(new GlideListener<Integer, GlideDrawable, Integer>(imageLoadListener, resourceId));        }    }    /**     * 获取网络图片，回调返回 GlideDrawable     *     * @param context           上下文     * @param url               图片url     * @param imageLoadListener 回调监听器     */    public static <T> void loadImage(T context, final String url, final ImageLoadListener imageLoadListener) {        DrawableTypeRequest<String> type = getContext(context, url);        if(type != null){            type.listener(new GlideListener<String, GlideDrawable, String>(imageLoadListener, url));        }    }    /**     * 加载存储器上的图片到目标载体     *     * @param file      文件File     * @param imageView 要显示到的图片ImageView     */    public static void loadImage(final File file, final ImageView imageView, final ImageLoadListener imageLoadListener) {        Glide.with(imageView.getContext())                .load(file)                .listener(new GlideListener<File, GlideDrawable, File>(imageLoadListener, file, imageView))                .into(imageView);    }    /**     * 加载资源中的图片到目标载体     *     * @param resourceId 资源id     * @param imageView  图片View     */    public static void loadImage(final int resourceId, final ImageView imageView, final ImageLoadListener imageLoadListener) {        Glide.with(imageView.getContext())                .load(resourceId)                .listener(new GlideListener<Integer, GlideDrawable, Integer>(imageLoadListener, resourceId, imageView))                .into(imageView);    }    /**     * 加载圆形头像，用的是普通ImageView，有动画效果     *     * @param url               图片url     * @param imageView         要显示到的ImageView     * @param imageLoadListener 加载回调监听器     * @param parms             设置占位符和加载失败图片     */    public static void loadCircleImage(final String url, final ImageView imageView, final ImageLoadListener imageLoadListener, final int... parms) {        DrawableTypeRequest<String> type = Glide.with(imageView.getContext()).load(url);        if (parms != null && parms.length > 0) {            type.placeholder(parms[0]);   //占位符            if (parms.length > 1) {                type.error(parms[1]);    //图片加载失败显示图片            }        }        type.transform(new CircleTransform(imageView.getContext()));        type.listener(new GlideListener<String, GlideDrawable, String>(imageLoadListener, url, imageView))                .into(imageView);    }    /**     * 加载网络图片到指定Imageview，支持CircleImageView     *     * @param url               图片url     * @param imageView         要显示的Imageview     * @param imageLoadListener 图片加载回调     * @param parms             第一个是error的图片     */    public static <T> void loadImage(T context,final String url, final ImageView imageView, final ImageLoadListener imageLoadListener, final int... parms) {        DrawableTypeRequest<String> type = getContext(context,url);        if(type != null){            type.asBitmap();            if (parms != null && parms.length > 0) {                type.placeholder(parms[0]);   //占位符                if (parms.length > 1) {                    type.error(parms[1]);    //图片加载失败显示图片                }            }            //单张CircleImageView不允许动画，不然会不显示,            if (imageView instanceof CircleImageView) {                type.dontAnimate();            }            type.listener(new GlideListener<String, GlideDrawable, String>(imageLoadListener, url, imageView))                    .into(imageView);        }    }    /**     * 加载一帧视频，添加圆角     *     * @param url       图片地址     * @param imageView 要加载到的ImageView     */    public static void loadImageFormVideo(String url, ImageView imageView) {        Glide.with(imageView.getContext()).load(url)                .override(DensityUtil.dip2px(150), DensityUtil.dip2px(150))                .placeholder(R.drawable.default_article_image)                .dontAnimate()                .into(imageView);    }    public static <T> void loadImageDetail(final T context, final String url, final ImageView imageView, final Drawable drawable, final ImageLoadDetailListener imageLoadListener) {        DrawableTypeRequest<String> type = getContext(context, url);        if(type != null){            type.into(new SimpleTarget<GlideDrawable>() {                @Override                public void onResourceReady(GlideDrawable resource, GlideAnimation<? super GlideDrawable> glideAnimation) {                    if(imageView != null && resource != null){                        imageView.setImageDrawable(resource);                    }                    if (imageLoadListener != null) {                        imageLoadListener.onLoadingComplete(url, imageView, resource);                    }                }                @Override                public void onStart() {                    super.onStart();                    if(drawable != null && imageView != null){                        imageView.setImageDrawable(drawable);                    }                }                @Override                public void onLoadStarted(Drawable placeholder) {                    super.onLoadStarted(placeholder);                    if (imageLoadListener != null) {                        imageLoadListener.onLoadingStart(placeholder);                    }                }                @Override                public void onLoadFailed(Exception e, Drawable errorDrawable) {                    super.onLoadFailed(e, errorDrawable);                    if (imageLoadListener != null) {                        imageLoadListener.onLoadingError(errorDrawable, e);                    }                }            });        }    }    /**     * 加载bitmap，回调返回 Bitmap     *     * @param context           上下文     * @param url               图片url     * @param imageLoadListener 图片加载监听器     * @param <T>               上下文类型     */    public static <T> void loadImageBitmap(T context, final String url, final ImageLoadListener imageLoadListener) {        DrawableTypeRequest<String> type = getContext(context, url);        if(type != null){            type.asBitmap().listener(new GlideListener<String, Bitmap, String>(imageLoadListener, url));        }    }    /**     * 加载GifDrawable，回调返回 GifDrawable     *     * @param context           上下文     * @param url               图片url     * @param imageLoadListener 图片加载监听器     */    public static <T> void loadImageGif(T context, final String url, final ImageLoadListener imageLoadListener) {        DrawableTypeRequest<String> type = getContext(context, url);        if(type != null){            type.asGif()                    .diskCacheStrategy(DiskCacheStrategy.SOURCE)                    .listener(new GlideListener<String, GifDrawable, String>(imageLoadListener, url));        }}    /**     * 加载GifDrawable，回调返回 GifDrawable     *     * @param url               图片url     * @param imageLoadListener 图片加载监听器     */    public static void loadImageGifThum(final String url, ImageView imageView, final ImageLoadListener imageLoadListener, Drawable drawable) {        if(drawable != null){            imageView.setImageDrawable(drawable);        }        DrawableTypeRequest<String> type = Glide.with(imageView.getContext()).load(url);        type.asBitmap()                .diskCacheStrategy(DiskCacheStrategy.SOURCE)                .listener(new GlideListener<String, Bitmap, String>(imageLoadListener, url))                .into(imageView);    }    /**     * 加载gif图片到指定ImageView     *     * @param url               图片Url     * @param imageView         图片View     * @param imageLoadListener 图片加载监听器     */    public static void loadImageGif(final String url, final ImageView imageView, final ImageLoadListener imageLoadListener) {        DrawableTypeRequest<String> type = Glide.with(imageView.getContext()).load(url);        type.asGif()                .diskCacheStrategy(DiskCacheStrategy.SOURCE)                .listener(new GlideListener<String, GifDrawable, String>(imageLoadListener, url, imageView))                .into(imageView);    }    /**     * 释放内存     *     * @param context 上下文     */    public static void clearMemory(Context context) {        Glide.get(context).clearMemory();    }    /**     * 取消所有正在下载或等待下载的任务。     *     * @param context 上下文     */    public static void cancelAllTasks(Context context) {        LogUtil.e("取消请求");        Glide.with(context).pauseRequests();    }    /**     * 恢复所有任务     */    public static void resumeAllTasks(Context context) {        Glide.with(context).resumeRequests();    }    /**     * 清除磁盘缓存     *     * @param context 上下文     */    public static void clearDiskCache(final Context context) {        new Thread(new Runnable() {            @Override            public void run() {                Glide.get(context).clearDiskCache();            }        }).start();    }    /**     * 清除所有缓存     *     * @param context 上下文     */    public static void cleanAll(Context context) {        clearDiskCache(context);        clearMemory(context);    }}

CircleTransForm.java

package com.minstone.util.Glide;import android.content.Context;import android.graphics.Bitmap;import android.graphics.BitmapShader;import android.graphics.Canvas;import android.graphics.Paint;import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;import com.bumptech.glide.load.resource.bitmap.BitmapTransformation;/** * Created by litp on 2016/8/7. */public class CircleTransform extends BitmapTransformation {    public CircleTransform(Context context) {        super(context);    }    @Override protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) {        return circleCrop(pool, toTransform);    }    private static Bitmap circleCrop(BitmapPool pool, Bitmap source) {        if (source == null) return null;        int size = Math.min(source.getWidth(), source.getHeight());        int x = (source.getWidth() - size) / 2;        int y = (source.getHeight() - size) / 2;        Bitmap squared = Bitmap.createBitmap(source, x, y, size, size);        Bitmap result = pool.get(size, size, Bitmap.Config.ARGB_8888);        if (result == null) {            result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);        }        Canvas canvas = new Canvas(result);        Paint paint = new Paint();        paint.setShader(new BitmapShader(squared, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));        paint.setAntiAlias(true);        float r = size / 2f;        canvas.drawCircle(r, r, r, paint);        return result;    }    @Override public String getId() {        return getClass().getName();    }}

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