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林尝试使用这个库：WebCachedImageView初始化错误
https://github.com/leocadiotine/WebCachedImageView/
林使用仿真器，API等级17，加WebCachedImageView到的ListView扔ListViewAdapter
public View getView(int pos, View child, ViewGroup parent) {
Holder mHolder;
LayoutInflater layoutInflater;
if (child == null) {
layoutInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
child = layoutInflater.inflate(R.layout.sent_listview_item, null);
mHolder = new Holder();
mHolder.txt_fileName = (TextView) child.findViewById(R.id.txt_sentLV_fileName);
mHolder.img_preview = (WebCachedImageView) child.findViewById(R.id.wciv);
child.setTag(mHolder);
} else {
mHolder = (Holder) child.getTag();
}
mHolder.txt_fileName.setText(fileName.get(pos));
return child;
}
public class Holder {
WebCachedImageView img_preview;
TextView txt_fileName;
}
而且我得到这个错误：
11-28 15:47:51.767: ERROR/AndroidRuntime(1432): FATAL EXCEPTION: AsyncTask #1
java.lang.RuntimeException: An error occured while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:299)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
at java.util.concurrent.FutureTask.run(FutureTask.java:239)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
at java.lang.Thread.run(Thread.java:856)
Caused by: java.lang.NoClassDefFoundError: com.jakewharton.DiskLruCache
at io.leocad.webcachedimageview.CacheManager$2.doInBackground(CacheManager.java:93)
at io.leocad.webcachedimageview.CacheManager$2.doInBackground(CacheManager.java:86)
at android.os.AsyncTask$2.call(AsyncTask.java:287)
at java.util.concurrent.FutureTask.run(FutureTask.java:234)
... 4 more
我在此发生错误：
mDiskCache = DiskLruCache.open(cacheDir, 1, 1, DISK_CACHE_SIZE); https://github.com/leocadiotine/WebCachedImageView/blob/master/code/src/io/leocad/webcachedimageview/CacheManager.java#L93
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