private Category makeCategory(FileInfo file, int type) {
Category category = new Category();
switch (type) {
case TYPE_IMAGE:
category.filePath = file.filePath;
category.alias = ((ImageFile) file).bucketName;
break;
case TYPE_AUDIO:
category.alias = ((AudioFile) file).album;
category.filePath = ((AudioFile) file).album;
break;
case TYPE_VIDEO:
category.filePath = file.filePath;
break;
}
category.uri = category.filePath;
category.init();
category.addFile(file);
return category;
}
public synchronized void initImage() {
if (null == mImageCategory) {
mImageCategory = new ConcurrentHashMap<String, Category>();
}
mImageCategory.clear();
String volumeName = "external";
Uri uri = Images.Media.getContentUri(volumeName);
String[] columns =
new String[] {
BaseColumns._ID,
MediaColumns.DATA,
MediaColumns.DISPLAY_NAME,
MediaColumns.SIZE,
MediaColumns.DATE_ADDED,
MediaColumns.DATE_MODIFIED,
ImageColumns.BUCKET_DISPLAY_NAME,
MediaColumns.MIME_TYPE
};
Cursor cur = null;
try {
cur =
mContext
.getContentResolver()
.query(uri, columns, buildSelectionByCategory(TYPE_IMAGE), null, null);
if (cur == null) {
return;
}
if (!cur.moveToFirst()) {
return;
}
do {
ImageFile file = ImageFile.getInfo(cur);
if (null == file) {
continue;
}
// 取一张图片的路径，add by yangbing
// if (MediaOpenSettingConstants.sImagePath == null) {
// if (file.fullFilePath != null && !"".equals(file.fullFilePath)) {
// MediaOpenSettingConstants.sImagePath = file.fullFilePath;
// }
// }
if (mImageCategory.containsKey(file.filePath)) {
Category category = mImageCategory.get(file.filePath);
category.addFile(file);
} else {
Category category = new Category();
category.filePath = file.filePath;
category.uri = category.filePath;
category.alias = file.bucketName;
category.init();
category.addFile(file);
mImageCategory.put(file.filePath, category);
}
} while (cur.moveToNext());
} catch (SQLiteException e) {
Log.e("FileEngine", "init image error");
} finally {
if (cur != null) {
cur.close();
}
}
}
public synchronized void initVideo() {
if (null == mVideoCategory) {
mVideoCategory = new ConcurrentHashMap<String, Category>();
}
mVideoCategory.clear();
String volumeName = "external";
Uri uri = Video.Media.getContentUri(volumeName);
String[] columns =
new String[] {
BaseColumns._ID,
MediaColumns.DATA,
MediaColumns.DISPLAY_NAME,
MediaColumns.SIZE,
MediaColumns.DATE_ADDED,
MediaColumns.DATE_MODIFIED,
VideoColumns.DURATION,
MediaColumns.MIME_TYPE
};
Cursor cur = null;
try {
cur =
mContext
.getContentResolver()
.query(uri, columns, buildSelectionByCategory(TYPE_AUDIO), null, null);
if (cur == null) {
return;
}
if (!cur.moveToFirst()) {
return;
}
do {
VideoFile file = VideoFile.getInfo(cur);
if (null == file) {
continue;
}
if (mVideoCategory.containsKey(file.filePath)) {
Category category = mVideoCategory.get(file.filePath);
category.addFile(file);
} else {
Category category = new Category();
category.filePath = file.filePath;
category.uri = category.filePath;
category.init();
category.addFile(file);
mVideoCategory.put(file.filePath, category);
}
} while (cur.moveToNext());
} catch (SQLiteException e) {
Log.e("FileEngine", "init video error");
} finally {
if (cur != null) {
cur.close();
}
}
}
public synchronized void initAudio() {
if (null == mAudioCategory) {
mAudioCategory = new ConcurrentHashMap<String, Category>();
}
mAudioCategory.clear();
Uri uri = Audio.Media.EXTERNAL_CONTENT_URI;
String[] columns =
new String[] {
BaseColumns._ID,
MediaColumns.DATA,
MediaColumns.DISPLAY_NAME,
MediaColumns.SIZE,
MediaColumns.DATE_ADDED,
MediaColumns.DATE_MODIFIED,
AudioColumns.DURATION,
AudioColumns.ARTIST,
AudioColumns.ALBUM,
AudioColumns.ALBUM_ID,
MediaColumns.MIME_TYPE,
MediaColumns.TITLE
};
Cursor cur = null;
try {
cur =
mContext
.getContentResolver()
.query(uri, columns, buildSelectionByCategory(TYPE_AUDIO), null, null);
if (cur == null) {
return;
}
if (!cur.moveToFirst()) {
return;
}
do {
AudioFile file = AudioFile.getInfo(cur);
if (null == file) {
continue;
}
// 取一首歌曲的路径，add by yangbing
// if (MediaOpenSettingConstants.sMusicPath == null) {
// if (file.fullFilePath != null && !"".equals(file.fullFilePath)) {
// MediaOpenSettingConstants.sMusicPath = file.fullFilePath;
// }
// }
if (mAudioCategory.containsKey(file.album)) {
Category category = mAudioCategory.get(file.album);
category.addFile(file);
} else {
Category category = new Category();
category.filePath = file.album;
category.uri = category.filePath;
category.alias = file.album;
category.addFile(file);
mAudioCategory.put(category.filePath, category);
}
} while (cur.moveToNext());
} catch (SQLiteException e) {
Log.e("FileEngine", "init audio error");
} finally {
if (cur != null) {
cur.close();
}
}
}