Java StringSignature类代码示例

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
@Override protected void load(final Context context) throws Exception {
	String profileUrl = "...";
	long lastProfileCache = context.getSharedPreferences("profile", 0)
	                               .getLong("lastCacheTime", System.currentTimeMillis());
	Glide // display a fresh version
	      .with(context)
	      .load(profileUrl)
	      .thumbnail(Glide // display a cached version
	                       .with(context)
	                       .using(new NetworkDisablingLoader<>()) // only if exists in disk cache
	                       .load(profileUrl)
	                       .signature(new StringSignature(String.valueOf(lastProfileCache)))
	                       .diskCacheStrategy(SOURCE)
	      )
	      .diskCacheStrategy(NONE) // downloaded right now
	      .into(imageView)
	;
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
private void cache(String url, final Bitmap bitmap) {
	Key key = new StringSignature(url);
	// the key here is that Engine uses fetcher.getId() for constructing OriginalKey from EngineKey
	// see Engine.load and also signature can be ignored because it is an EmptySignature instance for most
	App.getInstance().getDiskCache().put(key, new Writer() {
		@TargetApi(VERSION_CODES.KITKAT) // for try-with-resources
		@Override public boolean write(File file) {
			try (OutputStream out = new FileOutputStream(file)) {
				// mimic default behavior you can also use Bitmap.compress
				BitmapPool pool = Glide.get(getContext()).getBitmapPool();
				BitmapResource resource = BitmapResource.obtain(bitmap, pool);
				new BitmapEncoder().encode(resource, out);
				return true;
			} catch (IOException e) {
				e.printStackTrace();
				return false;
			}
		}
	});
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
@Override
public Object instantiateItem(final ViewGroup container, int position) {
    final PhotoView view = new PhotoView(ImageBrowserActivity.this);
    view.setScaleType(ImageView.ScaleType.FIT_CENTER);
    ImageFile file = mList.get(position);
    RequestManager requestManager = Glide.with(ImageBrowserActivity.this);
    DrawableRequestBuilder requestBuilder;
    if (file.getEditCount() > 0) {
        requestBuilder = requestManager.load(file.getEditedPath())
                .signature(new StringSignature(file.getEditCount() + ""));
    } else {
        requestBuilder = requestManager.load(file.getPath());
    }
    requestBuilder
            .crossFade()
            .placeholder(R.mipmap.ic_place_holder).into(view);
    container.addView(view);
    return view;
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
@Override
public void onBindViewHolder(final AnchorHotViewHolder holder, final int position) {
    Glide.with(mContext).load(mData.get(position)).signature(new StringSignature(new Random().nextInt(1000) + "")).into(holder.iv_item_donate);
    holder.itemView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            Intent intent = new Intent(mContext, ImagePagerActivity.class);
            // 图片url,为了演示这里使用常量，一般从数据库中或网络中获取
            intent.putExtra(ImagePagerActivity.EXTRA_IMAGE_URLS, formatPic());
            intent.putExtra(ImagePagerActivity.EXTRA_IMAGE_INDEX, position);
            mContext.startActivity(intent);
            ((Activity) mContext).overridePendingTransition(R.anim.zoomin, 0);
        }
    });

}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Override protected void load(Context context) {
	GenericRequestBuilder<Bitmap, Bitmap, Bitmap, Bitmap> glide = Glide
			.with(context)
			.using(new PassthroughModelLoader<Bitmap, Bitmap>(), Bitmap.class)
			.from(Bitmap.class)
			.as(Bitmap.class)
			.decoder(new BitmapBitmapResourceDecoder(context))
			.cacheDecoder(new FileToStreamDecoder<Bitmap>(new StreamBitmapDecoder(context)))
			.encoder(new BitmapEncoder())
			// or .diskCacheStrategy(DiskCacheStrategy.NONE) instead of last 2
			;

	// simulate a bitmap input
	Drawable drawable = ContextCompat.getDrawable(context, android.R.drawable.sym_def_app_icon);
	Bitmap bitmap = Bitmap.createBitmap(
			drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Config.ARGB_8888);
	Canvas canvas = new Canvas(bitmap);
	drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
	drawable.draw(canvas);

	glide
			.clone()
			.load(bitmap)
			.signature(new StringSignature("android.R.drawable.sym_def_app_icon")) // required for caching
			.diskCacheStrategy(DiskCacheStrategy.NONE) // but can't really cache it, see #122 comments
			.transform(new CenterCrop(context))
			.into(imageView)
	;
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
    ImageThumbnailHolder viewHolder = (ImageThumbnailHolder) holder;

    ImageFile file = mSelectedThumbnailList.get(position);

    RequestManager requestManager = Glide.with(ImageBrowserActivity.this);
    DrawableRequestBuilder requestBuilder;
    if (file.getEditCount() > 0) {
        requestBuilder = requestManager.load(file.getEditedPath())
                .signature(new StringSignature(file.getEditCount() + ""));
    } else {
        requestBuilder = requestManager.load(file.getPath());
    }
    requestBuilder.centerCrop()
            .crossFade()
            .placeholder(R.mipmap.ic_place_holder).into(viewHolder.imageView);

    if (mList.get(mCurrentIndex).getId() == file.getId()) {
        viewHolder.ivBlock.setVisibility(View.VISIBLE);
    } else {
        viewHolder.ivBlock.setVisibility(View.GONE);
    }
    if (mIsPreview) {
        viewHolder.shadow.setVisibility(file.isSelected() ? View.GONE : View.VISIBLE);
    }
    viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            mViewPager.setCurrentItem(Integer.valueOf(mSelectedPosition.get(position)), false);
            mRecyclerView.scrollToPosition(position);
        }
    });
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
public void uploadIconSucceed(File file, String token) {
    qiniuToken = token;
    Glide.with(context).load(file).asBitmap().centerCrop().signature(new StringSignature(new Date().getTime() + "")).into(new BitmapImageViewTarget(iv_info_icon) {
        @Override
        protected void setResource(Bitmap resource) {
            RoundedBitmapDrawable circularBitmapDrawable =
                    RoundedBitmapDrawableFactory.create(context.getResources(), resource);
            circularBitmapDrawable.setCircular(true);
            iv_info_icon.setImageDrawable(circularBitmapDrawable);
        }
    });
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
private void updateProfileCache(final Context context, String profileUrl) {
	final long lastProfileCache = System.currentTimeMillis();
	Glide
			.with(context)
			.load(profileUrl)
			.signature(new StringSignature(String.valueOf(lastProfileCache)))
			.diskCacheStrategy(SOURCE)
			.listener(new SaveLastProfileCacheTime(context, lastProfileCache))
			.preload()
	;
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
@Override protected void load(final Context context) throws Exception {
	final ImageView imageView = this.imageView;
	toto = toto + 1;
	Glide
			.with(context.getApplicationContext())
			.load("http://lorempixel.com/400/200/sports")
			.signature(new StringSignature(Integer.toString(toto)))
			.centerCrop()
			.listener(new LoggingListener<String, GlideDrawable>())
			.into(imageView)
	;
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
@Override protected void load1(Context context, ImageView imageView) throws Exception {
	Glide
			.with(this)
			// default timeout is 2.5 seconds (com.bumptech.glide.load.data.HttpUrlFetcher)
			.load("https://httpbin.org/delay/12") // force a timeout: 2.5 < 12
			.signature(new StringSignature("load1")) // distinguish from other load to make sure loader is picked up
			.placeholder(R.drawable.glide_placeholder)
			.error(R.drawable.glide_error)
			.listener(new LoggingListener<String, GlideDrawable>("load1"))
			.into(new LoggingTarget<>("load1", Log.VERBOSE, new GlideDrawableImageViewTarget(imageView)))
	;
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
@Override protected void load2(Context context, ImageView imageView) throws Exception {
	Glide
			.with(this)
			.using(new StreamModelLoaderWrapper<>(new OkHttpUrlLoader(longTimeoutClient)))
			.load(new GlideUrl("https://httpbin.org/delay/12")) // timeout increased: 15 > 10, so it'll pass
			.signature(new StringSignature("load2")) // distinguish from other load to make sure loader is picked up
			.placeholder(R.drawable.glide_placeholder)
			// since the test URL returns a JSON stream, the load will fail,
			// let's still add an error to see that the load fails slower than the other,
			// meaning the image was actually tried to be decoded
			.error(R.drawable.glide_error)
			.listener(new LoggingListener<GlideUrl, GlideDrawable>("load2"))
			.into(new LoggingTarget<>("load2", Log.VERBOSE, new GlideDrawableImageViewTarget(imageView)))
	;
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
@Override
protected void onHandleIntent(Intent intent) {

    Uri imageUri = intent.getParcelableExtra(SOURCE_IMAGE_URI);

    String watermarkJson = intent.getStringExtra(WATERMARK_JSON);
    Watermark watermark = Watermark.fromJson(watermarkJson, getAssets());

    String outputPath = intent.getStringExtra(OUTPUT_PATH);
    File outFile = new File(outputPath);

    int targetWidth = intent.getIntExtra(OUTPUT_WIDTH, 0);
    int targetHeight =  intent.getIntExtra(OUTPUT_HEIGHT, 0);
    mOutputDestination = intent.getIntExtra(OUTPUT_DESTINATION, INTENT_EXPORT);

    Bitmap outputBitmap = null;
    Exception exception = null;

    try {
        // add signature so Glide reloads - otherwise it might use cached buffer which was written on
        outputBitmap = Glide.with(getApplicationContext())
                                   .loadFromMediaStore(imageUri)
                                   .asBitmap()
                                   .signature(new StringSignature(ImageUtil.getTimestamp()))
                                   .into(targetWidth, targetHeight)
                                   .get();

    } catch (InterruptedException | ExecutionException e) {
        exception = e;
    }

    if (exception != null) {
        String resultMessage = String.format("%s load error %s", TAG, exception.getMessage());
        Log.e(TAG, resultMessage);
        publishResults("", RESULT_ERROR_CODE, resultMessage);
    } else {
        saveImageFile(outputBitmap, watermark, outFile);
    }
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
private void saveImg(String url){
    //检查是否有sd卡
    if (saveDir == null) {
        showToast(R.string.save_not_sd);
        return;
    }

    // 检查本地是否有
    String fileName = getFileNameByUrl(url);
    File localFile = new File(saveDir,fileName);
    if (localFile.exists()){
        showToast(R.string.save_exist);
        return;
    }

    // 检查glide的disk是否有
    DiskCache diskCache = DiskLruCacheWrapper.get(cacheDir, App.DEFAULT_DISK_CACHE_SIZE);
    File diskTempFile = diskCache.get(new StringSignature(url));
    if (diskTempFile == null || !diskTempFile.exists()){
        showToast(R.string.save_not_downloaded);
        return;
    }

    // 检查是否在队列中

    if (mUrlSet.contains(url)){
        showToast(R.string.save_saving);
        return;
    }

    mExecutorService.execute(new SaveImgRunnable(url,diskTempFile.getAbsolutePath(),localFile.getAbsolutePath()));
    mUrlSet.add(url);
    showToast(R.string.save_start);
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
public GlidePhotoData(Activity activity, ImageView view, int defaultResID, String lastModify, int maxsize, String subdomain, String url) {
    mImageView = view;
    mIdentify = subdomain + url;
    mUrl = url;
    mMaxSize = maxsize;
    Glide.with(activity)
            .load(url)
            .placeholder(defaultResID)
            .signature(new StringSignature(lastModify))
            .decoder(mResourceDecoder)
            .crossFade()
            .fitCenter()
            .into(mImageView);
}
 

import com.bumptech.glide.signature.StringSignature; //导入依赖的package包/类
public static void loadAvatar(RequestManager glide, ImageView view, String avatarUrl) {
    String cacheKey = null;
    if (avatarUrl != null)
        cacheKey = AVATAR_CACHE_KEYS.get(avatarUrl);
    if (cacheKey == null) {
        if (avatarUrl == null || NOT_FOUND_AVATARS.containsKey(avatarUrl)) {
            avatarUrl = DEFAULT_AVATAR_FILE.getAbsolutePath();
        }
        cacheKey = avatarUrl;
    }
    if (HiSettingsHelper.getInstance().isCircleAvatar()) {
        glide.load(avatarUrl)
                .signature(new StringSignature(cacheKey))
                .diskCacheStrategy(DiskCacheStrategy.NONE)
                .bitmapTransform(new CropCircleTransformation(HiApplication.getAppContext()))
                .error(DEFAULT_USER_ICON)
                .crossFade()
                .into(view);
    } else {
        glide.load(avatarUrl)
                .signature(new StringSignature(cacheKey))
                .diskCacheStrategy(DiskCacheStrategy.NONE)
                .centerCrop()
                .error(DEFAULT_USER_ICON)
                .crossFade()
                .into(view);
    }
}