@Override
public Bitmap getBitmapLogo(Context context) {
Bitmap thumbnailBitmap = null;
if (android.os.Build.VERSION.SDK_INT >= 5) {
Cursor cursor =
context
.getContentResolver()
.query(
android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
null,
android.provider.MediaStore.Video.Media.DATA
+ " = '"
+ file.getAbsolutePath()
+ "'",
null,
null);
if (cursor != null && cursor.moveToFirst()) {
long id =
cursor.getLong(cursor.getColumnIndex(android.provider.MediaStore.Video.Media._ID));
cursor.close();
Bitmap bitmap =
MediaStore.Video.Thumbnails.getThumbnail(
context.getContentResolver(), id, MediaStore.Images.Thumbnails.MICRO_KIND, null);
thumbnailBitmap = bitmap;
} else {
thumbnailBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.ic_video);
}
} else {
thumbnailBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.ic_video);
}
return thumbnailBitmap;
}
/*获取缩略图*/
public Bitmap getThumbnail(
ContentResolver contentResolver,
long originalId,
int kind,
BitmapFactory.Options options,
boolean isVideo) {
Thread thread = Thread.currentThread();
ThreadStatus threadStatus = getOrCreateThreadStatus(thread);
if (!canThreadDecoding(thread)) {
return null;
}
try {
synchronized (threadStatus) {
threadStatus.mThumbRequesting = true;
}
if (isVideo) {
return MediaStore.Video.Thumbnails.getThumbnail(
contentResolver, originalId, thread.getId(), kind, options);
} else {
return MediaStore.Images.Thumbnails.getThumbnail(
contentResolver, originalId, thread.getId(), kind, options);
}
} finally {
synchronized (threadStatus) {
threadStatus.mThumbRequesting = false;
threadStatus.notifyAll();
}
}
}
@Override
public void setViewImage(ImageView v, String s) {
/*
* String[] thumbColumns = { MediaStore.Video.Thumbnails.DATA,
* MediaStore.Video.Thumbnails.VIDEO_ID };
*
* Cursor thumbCursor = managedQuery(
* MediaStore.Video.Thumbnails.EXTERNAL_CONTENT_URI, thumbColumns,
* MediaStore.Video.Thumbnails.VIDEO_ID + "=" + id, null, null);
*/
// Log.d(TAG, "We have " + s);
String[] mediaColumns = {
MediaStore.Video.Media._ID,
MediaStore.Video.Media.DATA,
MediaStore.Video.Media.TITLE,
MediaStore.Video.Media.MIME_TYPE
};
Cursor thumb_cursor =
managedQuery(
MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
mediaColumns,
MediaStore.Video.Media.DATA + " = ? ",
new String[] {s},
null);
if (thumb_cursor.moveToFirst()) {
// Found entry for video via file path. Now we have its
// video_id, we can check for a cache thumbnail or request to
// generate one.
// XXX Check cache, and load from filepath, using code above.
/*
Log
.d(
TAG,
" We have id "
+ thumb_cursor
.getLong(thumb_cursor
.getColumnIndexOrThrow(MediaStore.Video.Media._ID)));
*/
Bitmap bm =
MediaStore.Video.Thumbnails.getThumbnail(
getContentResolver(),
thumb_cursor.getLong(
thumb_cursor.getColumnIndexOrThrow(MediaStore.Video.Media._ID)),
MediaStore.Video.Thumbnails.MICRO_KIND,
null);
if (bm != null && v != null) {
v.setImageBitmap(bm);
}
} else {
// set default icon
v.setImageResource(R.drawable.icon);
}
}
/**
* Loads music data. This method may take long, so be sure to call it asynchronously without
* blocking the main thread.
*/
public void prepare() {
/// Uri uri = android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
Uri uri = android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
Log.i(TAG, "Querying media...");
Log.i(TAG, "URI: " + uri.toString());
// Perform a query on the content resolver. The URI we're passing specifies that we
// want to query for all audio media on external storage (e.g. SD card)
Cursor cur =
mContentResolver.query(
uri, null, null, // MediaStore.Video.Media.IS_MUSIC + " = 1",
null, null);
Log.i(TAG, "Query finished. " + (cur == null ? "Returned NULL." : "Returned a cursor."));
if (cur == null) {
// Query failed...
Log.e(TAG, "Failed to retrieve music: cursor is null :-(");
return;
}
if (!cur.moveToFirst()) {
// Nothing to query. There is no music on the device. How boring.
Log.e(TAG, "Failed to move cursor to first row (no query results).");
return;
}
Log.i(TAG, "Listing...");
// retrieve the indices of the columns where the ID, title, etc. of the song are
int artistColumn = cur.getColumnIndex(MediaStore.Video.Media.ARTIST);
int titleColumn = cur.getColumnIndex(MediaStore.Video.Media.TITLE);
int albumColumn = cur.getColumnIndex(MediaStore.Video.Media.ALBUM);
int durationColumn = cur.getColumnIndex(MediaStore.Video.Media.DURATION);
int idColumn = cur.getColumnIndex(MediaStore.Video.Media._ID);
int dataColumnIndex = cur.getColumnIndex(MediaStore.Video.Media.DATA);
Log.i(TAG, "Title column index: " + String.valueOf(titleColumn));
Log.i(TAG, "ID column index: " + String.valueOf(titleColumn));
// add each song to mItems
do {
Log.i(TAG, "ID: " + cur.getString(idColumn) + " Title: " + cur.getString(titleColumn));
Bitmap thumbnail =
MediaStore.Video.Thumbnails.getThumbnail(
mContentResolver,
cur.getLong(idColumn),
MediaStore.Video.Thumbnails.MICRO_KIND,
null);
mItems.add(
new Item(
thumbnail,
cur.getString(dataColumnIndex),
cur.getLong(idColumn),
cur.getString(artistColumn),
cur.getString(titleColumn),
cur.getString(albumColumn),
cur.getLong(durationColumn)));
} while (cur.moveToNext());
Log.i(TAG, "Done querying media. MediaRetriever is ready.");
}
private Bitmap getThumbnail(long id) {
Bitmap bitmap = null;
BitmapFactory.Options options = new BitmapFactory.Options();
options.inDither = false;
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
options.inScaled = true;
options.inJustDecodeBounds = false;
options.inPurgeable = true;
options.inInputShareable = true;
ContentResolver cr = mContext.getContentResolver();
bitmap = MediaStore.Video.Thumbnails.getThumbnail(cr, id, Images.Thumbnails.MINI_KIND, null);
return bitmap;
}
/** get videos form {@link MediaStore.Video.Media.EXTERNAL_CONTENT_URI} */
public List<MediaInfo> getVideoInfo() {
List<MediaInfo> list = new ArrayList<MediaInfo>();
ContentResolver contentResolver = context.getContentResolver();
Cursor cursor =
contentResolver.query(
DreamConstant.VIDEO_URI, null, null, null, MediaStore.Video.Media.DEFAULT_SORT_ORDER);
if (null == cursor) {
} else {
if (cursor.moveToFirst()) {
MediaInfo mediaInfo = null;
do {
mediaInfo = new MediaInfo();
long id = cursor.getLong(cursor.getColumnIndex(MediaStore.Video.Media._ID));
long duration =
cursor.getLong(cursor.getColumnIndex(MediaStore.Video.Media.DURATION)); // 时长
long size = cursor.getLong(cursor.getColumnIndex(MediaStore.Video.Media.SIZE)); // 文件大小
String url = cursor.getString(cursor.getColumnIndex(MediaStore.Video.Media.DATA)); // 文件路径
String displayName =
cursor.getString(cursor.getColumnIndex(MediaStore.Video.Media.DISPLAY_NAME));
if (new File(url).exists()) {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inDither = false;
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
// get video thumbail
Bitmap bitmap =
MediaStore.Video.Thumbnails.getThumbnail(
contentResolver, id, Images.Thumbnails.MICRO_KIND, options);
mediaInfo.setId(id);
mediaInfo.setDuration(duration);
mediaInfo.setSize(size);
mediaInfo.setUrl(url);
mediaInfo.setDisplayName(displayName);
mediaInfo.setIcon(bitmap);
list.add(mediaInfo);
}
} while (cursor.moveToNext());
}
cursor.close();
}
return list;
}
public synchronized void cancelThreadDecoding(Thread thread, ContentResolver contentResolver) {
ThreadStatus threadStatus = getOrCreateThreadStatus(thread);
threadStatus.mState = State.CANCEL;
if (threadStatus.mOptions != null) {
threadStatus.mOptions.requestCancelDecode();
}
notifyAll();
try {
synchronized (threadStatus) {
while (threadStatus.mThumbRequesting) {
MediaStore.Images.Thumbnails.cancelThumbnailRequest(contentResolver, -1, thread.getId());
MediaStore.Video.Thumbnails.cancelThumbnailRequest(contentResolver, -1, thread.getId());
threadStatus.wait(200);
}
}
} catch (Exception exception) {
}
}
/**
* Attempt to retrieve the thumbnail of given Uri from the MediaStore. This should not be called
* on the UI thread.
*
* @param context
* @param uri
* @param mimeType
* @return
* @author paulburke
*/
public static Bitmap getThumbnail(Context context, Uri uri, String mimeType) {
if (DEBUG) Log.d(TAG, "Attempting to get thumbnail");
if (!isMediaUri(uri)) {
Log.e(TAG, "You can only retrieve thumbnails for images and videos.");
return null;
}
Bitmap bm = null;
if (uri != null) {
final ContentResolver resolver = context.getContentResolver();
Cursor cursor = null;
try {
cursor = resolver.query(uri, null, null, null, null);
if (cursor.moveToFirst()) {
final int id = cursor.getInt(0);
if (DEBUG) Log.d(TAG, "Got thumb ID: " + id);
if (mimeType.contains("video")) {
bm =
MediaStore.Video.Thumbnails.getThumbnail(
resolver, id, MediaStore.Video.Thumbnails.MINI_KIND, null);
} else if (mimeType.contains(FileUtils.MIME_TYPE_IMAGE)) {
bm =
MediaStore.Images.Thumbnails.getThumbnail(
resolver, id, MediaStore.Images.Thumbnails.MINI_KIND, null);
}
}
} catch (Exception e) {
if (DEBUG) Log.e(TAG, "getThumbnail", e);
} finally {
if (cursor != null) cursor.close();
}
}
return bm;
}
