/** 得到图片集 */
void buildImagesBucketList() {
long startTime = System.currentTimeMillis();
// 构造缩略图索引
getThumbnail();
// 构造相册索引
String columns[] =
new String[] {
BaseColumns._ID,
ImageColumns.BUCKET_ID,
ImageColumns.PICASA_ID,
MediaColumns.DATA,
MediaColumns.DISPLAY_NAME,
MediaColumns.TITLE,
MediaColumns.SIZE,
ImageColumns.BUCKET_DISPLAY_NAME
};
// 得到一个游标
Cursor cur = cr.query(Media.EXTERNAL_CONTENT_URI, columns, null, null, null);
if (cur.moveToFirst()) {
// 获取指定列的索引
int photoIDIndex = cur.getColumnIndexOrThrow(BaseColumns._ID);
int photoPathIndex = cur.getColumnIndexOrThrow(MediaColumns.DATA);
int photoNameIndex = cur.getColumnIndexOrThrow(MediaColumns.DISPLAY_NAME);
int photoTitleIndex = cur.getColumnIndexOrThrow(MediaColumns.TITLE);
int photoSizeIndex = cur.getColumnIndexOrThrow(MediaColumns.SIZE);
int bucketDisplayNameIndex = cur.getColumnIndexOrThrow(ImageColumns.BUCKET_DISPLAY_NAME);
int bucketIdIndex = cur.getColumnIndexOrThrow(ImageColumns.BUCKET_ID);
int picasaIdIndex = cur.getColumnIndexOrThrow(ImageColumns.PICASA_ID);
// 获取图片总数
int totalNum = cur.getCount();
do {
String _id = cur.getString(photoIDIndex);
String name = cur.getString(photoNameIndex);
String path = cur.getString(photoPathIndex);
String title = cur.getString(photoTitleIndex);
String size = cur.getString(photoSizeIndex);
String bucketName = cur.getString(bucketDisplayNameIndex);
String bucketId = cur.getString(bucketIdIndex);
String picasaId = cur.getString(picasaIdIndex);
Log.i(
TAG,
_id
+ ", bucketId: "
+ bucketId
+ ", picasaId: "
+ picasaId
+ " name:"
+ name
+ " path:"
+ path
+ " title: "
+ title
+ " size: "
+ size
+ " bucket: "
+ bucketName
+ "---");
ImageBucket bucket = bucketList.get(bucketId);
if (bucket == null) {
bucket = new ImageBucket();
bucketList.put(bucketId, bucket);
bucket.imageList = new ArrayList<ImageItem>();
bucket.bucketName = bucketName;
}
bucket.count++;
ImageItem imageItem = new ImageItem();
imageItem.imageId = _id;
imageItem.imagePath = path;
imageItem.thumbnailPath = thumbnailList.get(_id);
bucket.imageList.add(imageItem);
} while (cur.moveToNext());
}
Iterator<Entry<String, ImageBucket>> itr = bucketList.entrySet().iterator();
while (itr.hasNext()) {
Map.Entry<String, ImageBucket> entry = itr.next();
ImageBucket bucket = entry.getValue();
Log.d(TAG, entry.getKey() + ", " + bucket.bucketName + ", " + bucket.count + " ---------- ");
for (int i = 0; i < bucket.imageList.size(); ++i) {
ImageItem image = bucket.imageList.get(i);
Log.d(TAG, "----- " + image.imageId + ", " + image.imagePath + ", " + image.thumbnailPath);
}
}
hasBuildImagesBucketList = true;
long endTime = System.currentTimeMillis();
Log.d(TAG, "use time: " + (endTime - startTime) + " ms");
}
