Android使用Glide加载Gif慢 获取gif时间
1,解决Glide加载Gif非常慢问题
Glide.with(MainActivity.this).load(url).asGif().diskCacheStrategy(DiskCacheStrategy.SOURCE).into(imageView);
为其添加缓存策略,其中缓存策略可以为:Source及None,None及为不缓存,Source缓存原型.如果为ALL和Result就不行
2,加载第一贞:
Glide.with(context).load(gifUrl).asBitmap().into(imageViewGifAsBitmap);
3,控制动画次数:
Glide.with(this).load(getResource()).diskCacheStrategy(DiskCacheStrategy.SOURCE).into(new GlideDrawableImageViewTarget(imageView, 1));
4,GIF 时间:
Glide.with(FirstActivity.this) .load(file) .asGif() .fitCenter() .diskCacheStrategy(DiskCacheStrategy.SOURCE) .listener(new RequestListener<File, GifDrawable>() { @Override public boolean onException(Exception e, File model, Target<GifDrawable> target, boolean isFirstResource) { return false; } @Override public boolean onResourceReady(final GifDrawable resource, File model, Target<GifDrawable> target, boolean isFromMemoryCache, boolean isFirstResource) { new Thread(new Runnable() { @Override public void run() { int duration = 0; try { GifDrawable gifDrawable = (GifDrawable) resource; GifDecoder decoder = gifDrawable.getDecoder(); for (int i = 0; i < gifDrawable.getFrameCount(); i++) { duration += decoder.getDelay(i); } mGifAdTime = duration; } catch (Throwable e) { } } }).start(); return false; } }) .into(mAdImg);
4.+ 版本获取gif时间
Glide.with(FirstActivity.this) .asGif() .load(file) .fitCenter() .diskCacheStrategy(DiskCacheStrategy.DATA) .listener(new RequestListener<GifDrawable>() { @Override public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<GifDrawable> target, boolean isFirstResource) { return false; } @Override public boolean onResourceReady(final GifDrawable resource, Object model, Target<GifDrawable> target, DataSource dataSource, boolean isFirstResource) { new Thread(new Runnable() { @Override public void run() { // 计算动画时长 int duration = 0; try { GifDrawable gifDrawable = (GifDrawable) resource; //设置循环播放次数为1次 gifDrawable.setLoopCount(1); //GifDecoder decoder = gifDrawable.getDecoder();//4.0开始没有这个方法了 Drawable.ConstantState state = gifDrawable.getConstantState(); if (state != null) { //不能混淆GifFrameLoader和GifState类 Object gifFrameLoader = GlideGifUtil.getValue(state, "frameLoader"); if (gifFrameLoader != null) { Object decoder = GlideGifUtil.getValue(gifFrameLoader, "gifDecoder"); if (decoder != null && decoder instanceof GifDecoder) { for (int i = 0; i < gifDrawable.getFrameCount(); i++) { duration += ((GifDecoder) decoder).getDelay(i); } } } } } catch (Throwable e) { } } }).start(); return false; } }) .into(mAdImg);
public class GlideGifUtil { /** * 通过字段名从对象或对象的父类中得到字段的值 * * @param object 对象实例 * @param fieldName 字段名 * @return 字段对应的值 * @throws Exception */ public static Object getValue(Object object, String fieldName) throws Exception { if (object == null) { return null; } if (TextUtils.isEmpty(fieldName)) { return null; } Field field = null; Class<?> clazz = object.getClass(); for (; clazz != Object.class; clazz = clazz.getSuperclass()) { try { field = clazz.getDeclaredField(fieldName); field.setAccessible(true); return field.get(object); } catch (Exception e) { //这里甚么都不要做!并且这里的异常必须这样写,不能抛出去。 //如果这里的异常打印或者往外抛,则就不会执行clazz = clazz.getSuperclass(),最后就不会进入到父类中了 } } return null; } }