如何设置我们作为图形图像在Android上的MP3专辑 [英] how to set our image as artwork in a mp3 album in android

问题描述

我创建了我们想要插入为其.MP3文件，没有任何艺术品艺术品的应用程序。还有我也想取代旧的作品与SD卡拍摄的新形象，每当我要恢复老的作品，能够检索。请帮助别人。

I am creating an application in which we want to insert an artwork for which .mp3 file which have no any artwork. as well as i also want to replace old artwork with new image taken from sdcard, and whenever i want to restore old artwork, able to retrieve it. please help someone.

推荐答案

希望这有助于你 -

Hope this help you-

   ContentResolver res = context.getContentResolver();
    Uri uri = ContentUris.withAppendedId(sArtworkUri, album_id);
    if (uri != null) {
        InputStream in = null;
        try {
            in = res.openInputStream(uri);
            return BitmapFactory.decodeStream(in, null, sBitmapOptions);
        } catch (FileNotFoundException ex) {
            // The album art thumbnail does not actually exist. Maybe the user deleted it, or
            // maybe it never existed to begin with.
            Bitmap bm = getArtworkFromFile(context, null, album_id);
            if (bm != null) {
                // Put the newly found artwork in the database.
                // Note that this shouldn't be done for the "unknown" album,
                // but if this method is called correctly, that won't happen.

                // first write it somewhere
                String file = Environment.getExternalStorageDirectory()
                    + "/albumthumbs/" + String.valueOf(System.currentTimeMillis());
                if (ensureFileExists(file)) {
                    try {
                        OutputStream outstream = new FileOutputStream(file);
                        if (bm.getConfig() == null) {
                            bm = bm.copy(Bitmap.Config.RGB_565, false);
                            if (bm == null) {
                                return getDefaultArtwork(context);
                            }
                        }
                        boolean success = bm.compress(Bitmap.CompressFormat.JPEG, 75, outstream);
                        outstream.close();
                        if (success) {
                            ContentValues values = new ContentValues();
                            values.put("album_id", album_id);
                            values.put("_data", file);
                            Uri newuri = res.insert(sArtworkUri, values);
                            if (newuri == null) {
                                // Failed to insert in to the database. The most likely
                                // cause of this is that the item already existed in the
                                // database, and the most likely cause of that is that
                                // the album was scanned before, but the user deleted the
                                // album art from the sd card.
                                // We can ignore that case here, since the media provider
                                // will regenerate the album art for those entries when
                                // it detects this.
                                success = false;
                            }
                        }
                        if (!success) {
                            File f = new File(file);
                            f.delete();
                        }
                    } catch (FileNotFoundException e) {
                        Log.e(TAG, "error creating file", e);
                    } catch (IOException e) {
                        Log.e(TAG, "error creating file", e);
                    }
                }
            } else {
                bm = getDefaultArtwork(context);
            }
            return bm;
        } finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
            }
        }
    }

来自答案 - <一个href=\"http://stackoverflow.com/questions/2504726/how-can-i-update-the-album-art-path-using-contentresolver\">How使用ContentResolver的我可以更新专辑封面路径？

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