Glide V4使用 详解Glide最新版V4使用指南

repositories {
 mavenCentral()
 maven { url 'https://maven.google.com' }
}

dependencies {
 compile 'com.github.bumptech.glide:glide:4.3.1'
 annotationProcessor 'com.github.bumptech.glide:compiler:4.3.1'
}

dependencies {
 implementation 'com.github.bumptech.glide:glide:4.3.1'
 annotationProcessor 'com.github.bumptech.glide:compiler:4.3.1'
}

-keep public class * implements com.bumptech.glide.module.GlideModule
-keep public class * extends com.bumptech.glide.module.AppGlideModule
-keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
 **[] $VALUES;
 public *;
}

# for DexGuard only
-keepresourcexmlelements manifest/application/meta-data@value=GlideModule

Glide.with(fragment)
 .load(myUrl)
 .into(imageView);

Glide.with(fragment).clear(imageView);

GlideApp.with(fragment)
 .load(myUrl)
 .placeholder(R.drawable.placeholder)
 .fitCenter()
 .into(imageView);

@GlideModule
public class CustomGlideModule extends AppGlideModule {}

@GlideModule
public final class OkHttpLibraryGlideModule extends LibraryGlideModule {
 @Override
 public void registerComponents(Context context, Registry registry) {
 registry.replace(GlideUrl.class, InputStream.class, new OkHttpUrlLoader.Factory());
 }
}

compile 'com.github.bumptech.glide:okhttp3-integration:4.3.1'

implementation 'com.github.bumptech.glide:okhttp3-integration:4.3.1'

@GlideExtension
public class CustomGlideExtension {
 //缩略图的最小尺寸，单位：px
 private static final int MINI_THUMB_SIZE = 100;

 /**
 * 将构造方法设为私有，作为工具类使用
 */
 private CustomGlideExtension() {
 }

 /**
 * 1.自己新增的方法的第一个参数必须是RequestOptions options
 * 2.方法必须是静态的
 * @param options
 */
 @GlideOption
 public static void miniThumb(RequestOptions options) {
 options
 .fitCenter()
 .override(MINI_THUMB_SIZE);
 }
}

public class GlideOptions extends RequestOptions {

 /**
 * @see CustomGlideExtension#miniThumb(RequestOptions)
 */
 public GlideOptions miniThumb() {
 CustomGlideExtension.miniThumb(this);
 return this;
 }

 /**
 * @see CustomGlideExtension#miniThumb(RequestOptions)
 */
 public static GlideOptions miniThumbOf() {
 return new GlideOptions().miniThumb();
 }
 ...
}

GlideApp.with(fragment)
 .load(url)
 .miniThumb(thumbnailSize)
 .into(imageView);

@GlideExtension
public class CustomGlideExtension {
 private static final RequestOptions DECODE_TYPE_GIF = GlideOptions.decodeTypeOf(GifDrawable.class).lock();
 @GlideType(GifDrawable.class)
 public static void asGIF(RequestBuilder<GifDrawable> requestBuilder) {
 requestBuilder
 .transition(new DrawableTransitionOptions())
 .apply(DECODE_TYPE_GIF);
 }
}

public class GlideRequests extends RequestManager {
 /**
 * @see CustomGlideExtension#asGIF(RequestBuilder)
 */
 public GlideRequest<GifDrawable> asGIF() {
 GlideRequest<GifDrawable> requestBuilder = this.as(GifDrawable.class);
 CustomGlideExtension.asGIF(requestBuilder);
 return requestBuilder;
 }
}

GlideApp.with(fragment)
 .asGIF()
 .load(url)
 .into(imageView);

GlideApp.with(fragment)
 .load(url)
 .placeholder(R.drawable.placeholder) 
 .error(new ColorDrawable(Color.RED))
 .fallback(new ColorDrawable(Color.GREY))
 .into(view);

import static com.bumptech.glide.request.RequestOptions.centerCropTransform;

Glide.with(fragment)
 .load(url)
 .apply(centerCropTransform(context))
 .into(imageView);

Glide.with(fragment)
 .load(url)
 .transition(DrawableTransitionOptions.withCrossFade())
 .into(view);

RequestBuilder<Drawable> requestBuilder = Glide.with(fragment);

RequestBuilder<Bitmap> requestBuilder = Glide.with(fragment).asBitmap();

RequestBuilder<Drawable> requestBuilder = Glide.with(fragment);
requestBuilder.apply(requestOptions);
requestBuilder.transition(transitionOptions);

RequestBuilder<Drawable> requestBuilder =
 Glide.with(fragment)
  .asDrawable()
  .apply(requestOptions);

for (int i = 0; i < numViews; i++) {
 ImageView view = viewGroup.getChildAt(i);
 String url = urls.get(i);
 requestBuilder.load(url).into(view);
}

RequestOptions options = new RequestOptions();
options.centerCrop();

Glide.with(fragment)
 .load(url)
 .apply(options)
 .into(imageView);

Glide.with(fragment)
 .load(url)
 .apply(RequestOptions.fitCenterTransform())
 .into(imageView);

GlideApp.with(fragment)
 .load(url)
 .fitCenter()
 .into(imageView);

Glide.with(fragment)
 .load(url)
 .transform(new MultiTransformation(new FitCenter(), new YourCustomTransformation())
 .into(imageView);

GlideApp.with(this).load(R.drawable.img_default).listener(new RequestListener(){

 @Override
 public boolean onLoadFailed(@Nullable GlideException e, Object model, Target target, boolean isFirstResource) {
 return false;
 }

 @Override
 public boolean onResourceReady(Object resource, Object model, Target target, DataSource dataSource, boolean isFirstResource) {
 if (dataSource == DataSource.MEMORY_CACHE) {
  //当图片位于内存缓存时，glide默认不会加载动画
  imageView.startAnimation(AnimationUtils.loadAnimation(getActivity(), R.anim.fade_in));
 }
 return false;
 }
}).fitCenter().transition(GenericTransitionOptions.with(R.anim.fade_in)).into(imageView);

Glide.with(fragment)
 .load(url)
 .transition(DrawableTransitionOptions.withCrossFade())
 .into(view);

GlideApp.with(mContext)
 .load(imgUrl)
 .placeholder(R.drawable.img_default)
 .dontAnimate()
 .into(holder.imageview);

@GlideModule
public class CustomGlideModule extends AppGlideModule {
 @Override
 public void applyOptions(Context context, GlideBuilder builder) {
 MemorySizeCalculator calculator = new MemorySizeCalculator.Builder(context)
  .setMemoryCacheScreens(2)
  .build();
 builder.setMemoryCache(new LruResourceCache(calculator.getMemoryCacheSize()));
 }
}

@GlideModule
public class CustomGlideModule extends AppGlideModule {
 @Override
 public void applyOptions(Context context, GlideBuilder builder) {
 int memoryCacheSizeBytes = 1024 * 1024 * 20; // 20mb
 builder.setMemoryCache(new LruResourceCache(memoryCacheSizeBytes));
 }
}

@GlideModule
public class YourAppGlideModule extends AppGlideModule {
 @Override
 public void applyOptions(Context context, GlideBuilder builder) {
 builder.setMemoryCache(new CustomGlideMemoryCache());
 }
}

GlideApp.get(context).clearMemory();

 GlideApp.with(getActivity())
  .load(url)
  .skipMemoryCache(true)
  .dontAnimate()
  .centerCrop()
  .into(imageView);

@GlideModule
public class CustomGlideModule extends AppGlideModule {
 @Override
 public void applyOptions(Context context, GlideBuilder builder) {
 int diskCacheSizeBytes = 1024 * 1024 * 100; // 100 MB
 builder.setDiskCache(new InternalCacheDiskCacheFactory(context, diskCacheSizeBytes));
// builder.setDiskCache(new InternalCacheDiskCacheFactory(context, "cacheFolderName", diskCacheSizeBytes));
// builder.setDiskCache(new ExternalCacheDiskCacheFactory(context));
 }
}

@GlideModule
public class CustomGlideModule extends AppGlideModule {
 @Override
 public void applyOptions(Context context, GlideBuilder builder) {
 builder.setDiskCache(new DiskCache.Factory() {
 @Override
 public DiskCache build() {
  return new YourAppCustomDiskCache();
 }
 });
 }
}

GlideApp.get(context).clearDiskCache();

GlideApp.with(getActivity())
  .load(url)
  .diskCacheStrategy(DiskCacheStrategy.ALL)
  .dontAnimate()
  .centerCrop()
  .into(imageView);

@GlideModule
public class CustomGlideModule extends AppGlideModule {
 @Override
 public boolean isManifestParsingEnabled() {
 return false;
 }
}

public class CustomImageViewTarget extends ImageViewTarget<Bitmap> {

 private int width, height;

 public CustomImageViewTarget(ImageView view) {
  super(view);
 }

 public CustomImageViewTarget(ImageView view, int width, int height) {
  super(view);
  this.width = width;
  this.height = height;
 }

 @Override
 public void onResourceReady(Bitmap bitmap, Transition<? super Bitmap> transition) {
  super.onResourceReady(bitmap,transition);
 }

 @Override
 protected void setResource(@Nullable Bitmap resource) {
  view.setImageBitmap(resource);
 }

 @Override
 public void getSize(SizeReadyCallback cb) {
  if (width > 0 && height > 0) {
  cb.onSizeReady(width, height);
  return;
  }
  super.getSize(cb);
 }
 }

GlideApp.with(context)
 .asBitmap()
 .load(url)
 .dontAnimate()
 .placeholder(R.drawable.img_default)
 .into(new CustomImageViewTarget(imageview, 300, 300));

GlideApp.with(mContext)
 .load(url)
 .override(width,height)
 .into(view);

/**
 * Constructor for the target that uses {@link Target#SIZE_ORIGINAL} as the target width and
 * height.
 */
 public SimpleTarget() {
 this(SIZE_ORIGINAL, SIZE_ORIGINAL);
 }

 /**
 * Constructor for the target that takes the desired dimensions of the decoded and/or transformed
 * resource.
 *
 * @param width The width in pixels of the desired resource.
 * @param height The height in pixels of the desired resource.
 */
 public SimpleTarget(int width, int height) {
 this.width = width;
 this.height = height;
 }

Glide.with(itemView.getContext()).asBitmap().load(url).into(new SimpleTarget<Bitmap>() {
 @Override
 public void onResourceReady(Bitmap resource, Transition<? super Bitmap> transition) {

 }
});