com.nostra13.universalimageloader.core.display.BitmapDisplayer Java Examples

/**
 * 获取图片效果加载配置
 * @param options   {@link DisplayImageOptions}
 * @param displayer {@link BitmapDisplayer}
 * @return {@link DisplayImageOptions}
 */
public static DisplayImageOptions getBitmapDisplayerOptions(final DisplayImageOptions options, final BitmapDisplayer displayer) {
    if (options != null && displayer != null) {
        return cloneImageOptions(options).displayer(displayer).build();
    }
    return null;
}
 

/**
 * 构造图片显示的配置选项
 *
 * @param placeHolderImgRes 默认的占位显示图片
 * @param emptyUrlImgRes    空链接显示的图片
 * @param failedImgRes      加载失败显示的图片
 * @param cacheInMemory     是否内存缓存，图片过大，建议不要内存缓存
 * @return
 */
private static DisplayImageOptions constructDisplayOption(String url, int placeHolderImgRes, int emptyUrlImgRes,
                                                          int failedImgRes, boolean cacheInMemory, BitmapDisplayer displayer) {
    DisplayImageOptions.Builder bulider = new DisplayImageOptions.Builder();
    bulider.cacheOnDisc(true); // 默认开启磁盘缓存 缓存在默认位置
    // /sdcard/Android/data/[package_name]/cache
    bulider.cacheInMemory(cacheInMemory);
    bulider.resetViewBeforeLoading(true);
    bulider.bitmapConfig(Bitmap.Config.RGB_565);
    // bulider.displayer(new FadeInBitmapDisplayer(200));//加载动画
    if (displayer != null) {
        bulider.displayer(displayer);
    }

    if (placeHolderImgRes > 0) {
        bulider.showStubImage(placeHolderImgRes);
    }

    if (emptyUrlImgRes > 0) {
        bulider.showImageForEmptyUri(emptyUrlImgRes);
    }

    if (failedImgRes > 0) {
        bulider.showImageOnFail(failedImgRes);
    }

    return bulider.build();
}
 

/**
 * 加载显示图片
 *
 * @param imageView      显示图片的组件
 * @param url            图片加载的URL
 * @param placeHolderImg 默认的占位显示图片
 * @param emptyUrlImgRes 空链接显示的图片，不定义请置 0
 * @param failedImgRes   加载失败显示的图片，不定义请置 0
 * @param cacheInMemory  是否将图片缓存到内存中 (大图不建议缓存到内存中)
 */
public static void loadImage(ImageView imageView, String url, int placeHolderImg, int emptyUrlImgRes,
                             int failedImgRes, boolean cacheInMemory, BitmapDisplayer displayer) {
    DisplayImageOptions option = constructDisplayOption(url, placeHolderImg, emptyUrlImgRes, failedImgRes,
            cacheInMemory, displayer);
    if (Strings.isEmpty(url)
            || (!url.endsWith(".jpg") && !url.endsWith(".jpeg") && !url.endsWith(".png") && !url.endsWith(".JPG")
            && !url.endsWith(".JPEG") && !url.endsWith(".PNG"))) {
        if (placeHolderImg != 0) {
            imageView.setImageResource(placeHolderImg);
        }
        return;
    }
    imageLoader.displayImage(url, imageView, option);
}
 

public Builder displayer(BitmapDisplayer bitmapdisplayer)
{
    if (bitmapdisplayer == null)
    {
        throw new IllegalArgumentException("displayer can't be null");
    } else
    {
        q = bitmapdisplayer;
        return this;
    }
}
 

public BitmapDisplayer getDisplayer() {
	return displayer;
}
 

/** Creates default implementation of {@link BitmapDisplayer} - {@link SimpleBitmapDisplayer} */
public static BitmapDisplayer createBitmapDisplayer() {
	return new SimpleBitmapDisplayer();
}
 

public BitmapDisplayer getDisplayer() {
	return displayer;
}
 

public BitmapDisplayer getDisplayer() {
	return displayer;
}
 

public UILBitmapLoader(ImageLoader imageLoader, BitmapDisplayer bitmapDisplayer) {
    this.imageLoader = imageLoader;
    this.bitmapDisplayer = bitmapDisplayer;
}
 

public static BitmapDisplayer createUsing(int viewportWidth, int viewportHeight) {
    return new UILFillViewportDisplayer(viewportWidth, viewportHeight);
}
 

public static BitmapDisplayer createBitmapDisplayer()
{
    return new SimpleBitmapDisplayer();
}
 

static BitmapDisplayer q(Builder builder)
{
    return builder.q;
}
 

public BitmapDisplayer getDisplayer()
{
    return q;
}
 

static BitmapDisplayer q(DisplayImageOptions displayimageoptions)
{
    return displayimageoptions.q;
}
 

/** Creates default implementation of {@link BitmapDisplayer} - {@link SimpleBitmapDisplayer} */
public static BitmapDisplayer createBitmapDisplayer() {
	return new SimpleBitmapDisplayer();
}
 

public BitmapDisplayer getDisplayer() {
    return displayer;
}
 

/** Creates default implementation of {@link BitmapDisplayer} - {@link SimpleBitmapDisplayer} */
public static BitmapDisplayer createBitmapDisplayer() {
	return new SimpleBitmapDisplayer();
}
 

public BitmapDisplayer getDisplayer() {
	return displayer;
}
 

/** Creates default implementation of {@link com.nostra13.universalimageloader.core.display.BitmapDisplayer} - {@link com.nostra13.universalimageloader.core.display.SimpleBitmapDisplayer} */
public static BitmapDisplayer createBitmapDisplayer() {
	return new SimpleBitmapDisplayer();
}
 

public BitmapDisplayer getDisplayer() {
	return displayer;
}
 

private BitmapDisplayer getDisplayer() {
    if (VERSION.SDK_INT >= 9) {
        return new FadeInBitmapDisplayer(200);
    }
    return new SimpleBitmapDisplayer();
}
 

public static BitmapDisplayer createBitmapDisplayer() {
    return new SimpleBitmapDisplayer();
}
 

public BitmapDisplayer getDisplayer() {
    return this.displayer;
}
 

/**
 * Creates default implementation of {@link BitmapDisplayer} - {@link SimpleBitmapDisplayer}
 */
public static BitmapDisplayer createBitmapDisplayer() {
    return new SimpleBitmapDisplayer();
}
 

/**
 * Creates default implementation of {@link BitmapDisplayer} - {@link SimpleBitmapDisplayer}
 * 创建图片默认的显示器
 */
public static BitmapDisplayer createBitmapDisplayer() {
	return new SimpleBitmapDisplayer();
}