benny-shotvibe / gist:1e0d745b7bc68a9c3256
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| // This is an outdated way to do this. |
| // Inspired by: |
| // http://stackoverflow.com/questions/8560501/android-save-image-into-gallery/8722494#8722494 |
| // https://gist.github.com/samkirton/0242ba81d7ca00b475b9 |
| public static void saveImageToGallery( ContentResolver cr, String imagePath) < |
| String title = » Saved From Glance » ; |
| String description = title; |
| ContentValues values = new ContentValues (); |
| values . put( MediaStore . Images . Media . TITLE , title); |
| values . put( MediaStore . Images . Media . DISPLAY_NAME , title); |
| values . put( MediaStore . Images . Media . DESCRIPTION , description); |
| values . put( MediaStore . Images . Media . MIME_TYPE , » image/jpeg » ); |
| // Add the date meta data to ensure the image is added at the front of the gallery |
| long millis = System . currentTimeMillis(); |
| values . put( MediaStore . Images . Media . DATE_ADDED , millis / 1000L ); |
| values . put( MediaStore . Images . Media . DATE_MODIFIED , millis / 1000L ); |
| values . put( MediaStore . Images . Media . DATE_TAKEN , millis); |
| Uri url = null ; |
| try < |
| url = cr . insert( MediaStore . Images . Media . EXTERNAL_CONTENT_URI , values); |
| if (imagePath != null ) < |
| final int BUFFER_SIZE = 1024 ; |
| FileInputStream fileStream = new FileInputStream (imagePath); |
| try < |
| OutputStream imageOut = cr . openOutputStream(url); |
| try < |
| byte [] buffer = new byte [ BUFFER_SIZE ]; |
| while ( true ) < |
| int numBytesRead = fileStream . read(buffer); |
| if (numBytesRead 0 ) < |
| break ; |
| > |
| imageOut . write(buffer, 0 , numBytesRead); |
| > |
| > finally < |
| imageOut . close(); |
| > |
| > finally < |
| fileStream . close(); |
| > |
| long id = ContentUris . parseId(url); |
| // Wait until MINI_KIND thumbnail is generated. |
| Bitmap miniThumb = MediaStore . Images . Thumbnails . getThumbnail(cr, id, MediaStore . Images . Thumbnails . MINI_KIND , null ); |
| // This is for backward compatibility. |
| storeThumbnail(cr, miniThumb, id, 50F , 50F , MediaStore . Images . Thumbnails . MICRO_KIND ); |
| > else < |
| cr . delete(url, null , null ); |
| > |
| > catch ( Exception e) < |
| if (url != null ) < |
| cr . delete(url, null , null ); |
| > |
| > |
| > |
| /** |
| * A copy of the Android internals StoreThumbnail method, it used with the insertImage to |
| * populate the android.provider.MediaStore.Images.Media#insertImage with all the correct |
| * meta data. The StoreThumbnail method is private so it must be duplicated here. |
| * @see android.provider.MediaStore.Images.Media (StoreThumbnail private method) |
| */ |
| private static Bitmap storeThumbnail( |
| ContentResolver cr, |
| Bitmap source, |
| long id, |
| float width, |
| float height, |
| int kind) < |
| // create the matrix to scale it |
| Matrix matrix = new Matrix (); |
| float scaleX = width / source . getWidth(); |
| float scaleY = height / source . getHeight(); |
| matrix . setScale(scaleX, scaleY); |
| Bitmap thumb = Bitmap . createBitmap(source, 0 , 0 , |
| source . getWidth(), |
| source . getHeight(), matrix, |
| true |
| ); |
| ContentValues values = new ContentValues ( 4 ); |
| values . put( MediaStore . Images . Thumbnails . KIND , kind); |
| values . put( MediaStore . Images . Thumbnails . IMAGE_ID , ( int ) id); |
| values . put( MediaStore . Images . Thumbnails . HEIGHT , thumb . getHeight()); |
| values . put( MediaStore . Images . Thumbnails . WIDTH , thumb . getWidth()); |
| Uri url = cr . insert( MediaStore . Images . Thumbnails . EXTERNAL_CONTENT_URI , values); |
| try < |
| OutputStream thumbOut = cr . openOutputStream(url); |
| thumb . compress( Bitmap . CompressFormat . JPEG , 100 , thumbOut); |
| thumbOut . close(); |
| return thumb; |
| > catch ( FileNotFoundException ex) < |
| return null ; |
| > catch ( IOException ex) < |
| return null ; |
| > |
| > |
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