@Override
public void onBindViewHolder(FolderViewHolder holder, int position) {
final Floder item = mDirPaths.get(position);
loader.displayImage("file://" + item.getFirstImagePath(), holder.iv_dir, options);
//
// hanks.com.mylibrary.util.ImageLoader.getInstance().loadImage(item.getFirstImagePath(),holder.iv_dir);
holder.tv_dirname.setText(item.name + " (" + item.images.size() + "张) ");
holder.ll_root.setSelected(currentImageFolder == item);
holder.itemView.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
resetDirList(item);
}
});
}
/** 得到缩略图 */
private void getThumbnail() {
/** 临时的辅助类，用于防止同一个文件夹的多次扫描 */
HashMap<String, Integer> tmpDir = new HashMap<String, Integer>();
Cursor mCursor =
getContentResolver()
.query(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
new String[] {MediaStore.Images.ImageColumns.DATA},
"",
null,
MediaStore.MediaColumns.DATE_ADDED + " DESC");
Log.e("TAG", mCursor.getCount() + "");
if (mCursor.moveToFirst()) {
do {
// 获取图片的路径
String path = mCursor.getString(0);
Log.e("TAG", path);
imageAll.images.add(new ImageItem(path));
// 获取该图片的父路径名
File parentFile = new File(path).getParentFile();
if (parentFile == null) {
continue;
}
Floder imageFloder = null;
String dirPath = parentFile.getAbsolutePath();
if (!tmpDir.containsKey(dirPath)) {
// 初始化imageFloder
imageFloder = new Floder();
imageFloder.setDir(dirPath);
imageFloder.setFirstImagePath(path);
mDirPaths.add(imageFloder);
Log.d("zyh", dirPath + "," + path);
tmpDir.put(dirPath, mDirPaths.indexOf(imageFloder));
} else {
imageFloder = mDirPaths.get(tmpDir.get(dirPath));
}
imageFloder.images.add(new ImageItem(path));
} while (mCursor.moveToNext());
}
mCursor.close();
for (int i = 0; i < mDirPaths.size(); i++) {
Floder f = mDirPaths.get(i);
Log.d("zyh", i + "-----" + f.getName() + "---" + f.images.size());
}
tmpDir = null;
}
private void initViews() {
loader = ImageLoader.getInstance();
options =
new DisplayImageOptions.Builder()
.showImageOnLoading(R.drawable.default_image)
.showImageForEmptyUri(R.drawable.default_image)
.showImageOnFail(R.drawable.default_image)
.cacheInMemory(true)
.cacheOnDisk(true)
.considerExifParams(true)
.imageScaleType(ImageScaleType.EXACTLY)
.bitmapConfig(Bitmap.Config.RGB_565)
.build();
imageAll = new Floder();
imageAll.setDir("/所有图片");
currentImageFolder = imageAll;
mDirPaths.add(imageAll);
getThumbnail();
}
