Java Code Examples for android.provider.MediaStore.MediaColumns#DATA

/**
 * 获取图片路径
 *
 * @param uri
 * @param
 */
public static String getImagePath(Uri uri, Activity context) {

    String[] projection = {MediaColumns.DATA};
    Cursor cursor = context.getContentResolver().query(uri, projection,
            null, null, null);
    if (cursor != null) {
        cursor.moveToFirst();
        int columIndex = cursor.getColumnIndexOrThrow(MediaColumns.DATA);
        String ImagePath = cursor.getString(columIndex);
        cursor.close();
        return ImagePath;
    }

    return uri.toString();
}
 

/**
 * Get the file path from the Media Content Uri for video, audio or images.
 *
 * @param mediaContentUri Media content Uri.
 **/
public static String getPathForMediaUri(Context context, Uri mediaContentUri) {

    Cursor cur = null;
    String path = null;

    try {
        String[] projection = {MediaColumns.DATA};
        cur = context.getContentResolver().query(mediaContentUri, projection, null, null, null);

        if (cur != null && cur.getCount() != 0) {
            cur.moveToFirst();
            path = cur.getString(cur.getColumnIndexOrThrow(MediaColumns.DATA));
        }

        // Log.v( TAG, "#getRealPathFromURI Path: " + path );
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (cur != null && !cur.isClosed())
            cur.close();
    }

    return path;
}
 

private static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
    Cursor cursor = null;
    final String column = MediaColumns.DATA;
    final String[] projection = { column };

    try {
        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {
            final int column_index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(column_index);
        }
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
    return null;
}
 

public static String getImagePath(Uri uri, Activity context) {

        String[] projection = {MediaColumns.DATA};
        Cursor cursor = context.getContentResolver().query(uri, projection,
                null, null, null);
        if (cursor != null) {
            cursor.moveToFirst();
            int columIndex = cursor.getColumnIndexOrThrow(MediaColumns.DATA);
            String ImagePath = cursor.getString(columIndex);
            cursor.close();
            return ImagePath;
        }

        return uri.toString();
    }
 

private static String getPathFromUri(Context context, Uri imageUri) {
    String filePath = "";

    if (imageUri.toString().startsWith("content://com.android.gallery3d.provider")) {
        imageUri = Uri.parse(imageUri.toString().replace("com.android.gallery3d", "com.google.android.gallery3d"));
    }

    Cursor cursor = null;
    try {
        String column = MediaColumns.DATA;
        String[] proj = {MediaColumns.DATA};

        cursor = context.getContentResolver().query(imageUri, proj, null, null, null);
        cursor.moveToFirst();

        if (imageUri.toString().startsWith("content://com.google.android.gallery3d")) {
            filePath = imageUri.toString();
        } else {
            filePath = cursor.getString(cursor.getColumnIndexOrThrow(column));
        }
    } catch (Exception ignore) {
        // Google Drive content provider throws an exception that we ignore
        // content://com.google.android.apps.docs.storage
    } finally {
        Helper.closeQuietly(cursor);
    }

    if (isNullOrEmpty(filePath) || !new File(filePath).exists() ||
            imageUri.toString().startsWith("content://com.google.android.gallery3d")) {
        filePath = imageUri.toString();
    }

    return filePath;
}
 

private static String getPathFromUri(Context context, Uri imageUri) {
    String filePath = "";

    if (imageUri.toString().startsWith("content://com.android.gallery3d.provider")) {
        imageUri = Uri.parse(imageUri.toString().replace("com.android.gallery3d", "com.google.android.gallery3d"));
    }

    Cursor cursor = null;
    try {
        String column = MediaColumns.DATA;
        String[] proj = {MediaColumns.DATA};

        cursor = context.getContentResolver().query(imageUri, proj, null, null, null);
        cursor.moveToFirst();

        if (imageUri.toString().startsWith("content://com.google.android.gallery3d")) {
            filePath = imageUri.toString();
        } else {
            filePath = cursor.getString(cursor.getColumnIndexOrThrow(column));
        }
    } catch (Exception ignore) {
        // Google Drive content provider throws an exception that we ignore
        // content://com.google.android.apps.docs.storage
    } finally {
        Helper.closeQuietly(cursor);
    }

    if (isNullOrEmpty(filePath) || !new File(filePath).exists() ||
            imageUri.toString().startsWith("content://com.google.android.gallery3d")) {
        filePath = imageUri.toString();
    }

    return filePath;
}
 

/**
 * @param context
 * @param id
 */
public static void setRingtone(Context context, long id) {
    ContentResolver resolver = context.getContentResolver();
    // Set the flag in the database to mark this as a ringtone
    Uri ringUri = ContentUris.withAppendedId(Media.EXTERNAL_CONTENT_URI, id);
    try {
        ContentValues values = new ContentValues(2);
        values.put(AudioColumns.IS_RINGTONE, "1");
        values.put(AudioColumns.IS_ALARM, "1");
        resolver.update(ringUri, values, null, null);
    } catch (UnsupportedOperationException ex) {
        // most likely the card just got unmounted
        return;
    }

    String[] cols = new String[] {
            BaseColumns._ID, MediaColumns.DATA, MediaColumns.TITLE
    };

    String where = BaseColumns._ID + "=" + id;
    Cursor cursor = query(context, Media.EXTERNAL_CONTENT_URI, cols, where, null, null);
    try {
        if (cursor != null && cursor.getCount() == 1) {
            // Set the system setting to make this the current ringtone
            cursor.moveToFirst();
            Settings.System.putString(resolver, Settings.System.RINGTONE, ringUri.toString());
            String message = context.getString(R.string.set_as_ringtone, cursor.getString(2));
            Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
        }
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}
 

private static String getPathFromUri(Context context, Uri imageUri) {
    String filePath = "";

    if (imageUri.toString().startsWith("content://com.android.gallery3d.provider")) {
        imageUri = Uri.parse(imageUri.toString().replace("com.android.gallery3d", "com.google.android.gallery3d"));
    }

    Cursor cursor = null;
    try {
        String column = MediaColumns.DATA;
        String[] proj = {MediaColumns.DATA};

        cursor = context.getContentResolver().query(imageUri, proj, null, null, null);
        cursor.moveToFirst();

        if (imageUri.toString().startsWith("content://com.google.android.gallery3d")) {
            filePath = imageUri.toString();
        } else {
            filePath = cursor.getString(cursor.getColumnIndexOrThrow(column));
        }
    } catch (Exception ignore) {
        // Google Drive content provider throws an exception that we ignore
        // content://com.google.android.apps.docs.storage
    } finally {
        Helper.closeQuietly(cursor);
    }

    if (isNullOrEmpty(filePath) || !new File(filePath).exists() ||
            imageUri.toString().startsWith("content://com.google.android.gallery3d")) {
        filePath = imageUri.toString();
    }

    return filePath;
}
 

/**
 * 获取指定uri的本地绝对路径
 * 
 * @param uri
 * @return
 */
@SuppressWarnings("deprecation")
protected String getAbsoluteImagePath(Uri uri) {
	// can post image
	String[] proj = { MediaColumns.DATA };
	Cursor cursor = managedQuery(uri, proj, // Which columns to return
			null, // WHERE clause; which rows to return (all rows)
			null, // WHERE clause selection arguments (none)
			null); // Order-by clause (ascending by name)

	int column_index = cursor.getColumnIndexOrThrow(MediaColumns.DATA);
	cursor.moveToFirst();

	return cursor.getString(column_index);
}
 

public static Uri getContentUriFromFile(final Context ctx,
        final File imageFile) {
    Uri uri = null;
    final ContentResolver cr = ctx.getContentResolver();
    // Columns to return
    final String[] projection = { BaseColumns._ID, MediaColumns.DATA };
    // Look for a picture which matches with the requested path
    // (MediaStore stores the path in column Images.Media.DATA)
    final String selection = MediaColumns.DATA + " = ?";
    final String[] selArgs = { imageFile.toString() };

    final Cursor cursor = cr.query(Images.Media.EXTERNAL_CONTENT_URI,
            projection, selection, selArgs, null);

    if (cursor.moveToFirst()) {

        String id;
        final int idColumn = cursor.getColumnIndex(BaseColumns._ID);
        id = cursor.getString(idColumn);
        uri = Uri.withAppendedPath(Images.Media.EXTERNAL_CONTENT_URI, id);
    }
    cursor.close();
    if (uri != null) {
        Log.d(ImageHelper.TAG,
                "Found picture in MediaStore : " + imageFile.toString()
                        + " is " + uri.toString());
    } else {
        Log.d(ImageHelper.TAG, "Did not find picture in MediaStore : "
                + imageFile.toString());
    }
    return uri;
}
 

private void getData() {

        data = new ArrayList<ImageOrVideoItem>();
        Uri imagesUri, videoUri;
        Cursor imageCursor, videoCursor;
        String imageAbsolutePath;
        int image_column_index_data, image_title,

                column_index_data_FOR_VIDEO, image_date_insert, video_date_insert, video_title, video_description;

        imagesUri = android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
        String[] imageProjection =
                {
                        MediaColumns.DATA,
                        MediaStore.Images.Media.BUCKET_DISPLAY_NAME,
                        MediaStore.Images.Media.DATE_ADDED,
                        MediaStore.Images.Media.MIME_TYPE
                };


        imageCursor = this.getContentResolver().query(imagesUri, imageProjection, null, null, MediaStore.Images.ImageColumns.DATE_TAKEN + " DESC");
        MIME_TYPE = imageCursor.getColumnIndexOrThrow(MediaStore.Images.Media.MIME_TYPE);
        image_column_index_data = imageCursor.getColumnIndexOrThrow(MediaColumns.DATA);
        image_title = imageCursor.getColumnIndexOrThrow(MediaStore.Images.Media.BUCKET_DISPLAY_NAME);
        image_date_insert = imageCursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATE_ADDED);


        String[] videoProjection =
                {
                        MediaStore.Video.VideoColumns.DATA,
                        MediaStore.Video.VideoColumns.BUCKET_DISPLAY_NAME,
                        MediaStore.Video.VideoColumns.DURATION,
                        MediaStore.Video.VideoColumns.DATE_ADDED
                };

        videoUri = android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
        videoCursor = this.getContentResolver().query(videoUri, videoProjection, null, null, null);
        column_index_data_FOR_VIDEO = videoCursor.getColumnIndexOrThrow(MediaColumns.DATA);
        video_date_insert = videoCursor.getColumnIndexOrThrow(MediaStore.Video.VideoColumns.DATE_ADDED);
        video_title = videoCursor.getColumnIndexOrThrow(MediaStore.Video.VideoColumns.BUCKET_DISPLAY_NAME);
        video_description = videoCursor.getColumnIndexOrThrow(MediaStore.Video.VideoColumns.DURATION);
        if (videoCursor.getColumnCount() > 0 && video_selector) {
            while (videoCursor.moveToNext()) {
                String videoPath = videoCursor.getString(column_index_data_FOR_VIDEO);

                ImageOrVideoItem video = new ImageOrVideoItem
                        (null,
                                videoCursor.getString(video_title),
                                videoCursor.getString(video_description),
                                videoPath,
                                true,
                                Long.parseLong(videoCursor.getString(video_date_insert))
                        );

                data.add(video);
            }

            videoCursor.close();
        }

        if (imageCursor.getColumnCount() > 0 && picture_selector) {

            while (imageCursor.moveToNext()) {
                //gif pictures will cause problem in preview
                if (imageCursor.getString(MIME_TYPE).toLowerCase().contains("image/gif"))
                    continue;

                //**********************************************************************************
                // let's calculate from how long the picture is token
                //**********************************************************************************
                long time = Long.parseLong(imageCursor.getString(image_date_insert));
                long now = System.currentTimeMillis();
                CharSequence relativeTimeStr = DateUtils.getRelativeTimeSpanString(time * 1000, now,
                        DateUtils.SECOND_IN_MILLIS, DateUtils.FORMAT_ABBREV_RELATIVE);
                //**********************************************************************************

                imageAbsolutePath = imageCursor.getString(image_column_index_data);
                data.add(new ImageOrVideoItem(
                        null,
                        imageCursor.getString(image_title),
                        (String) relativeTimeStr,
                        imageAbsolutePath,
                        false,
                        time)
                );


            }

            imageCursor.close();
        }

        Collections.sort(data, ImageOrVideoItem.getCompByName());


    }
 

/**
 * Opens the specified file and readies it for playback.
 *
 * @param path The full path of the file to be opened.
 */
public boolean open(String path) {
    synchronized (this) {
        if (path == null) {
            return false;
        }

        // if mCursor is null, try to associate path with a database cursor
        if (mCursor == null) {

            ContentResolver resolver = getContentResolver();
            Uri uri;
            String where;
            String selectionArgs[];
            if (path.startsWith("content://media/")) {
                uri = Uri.parse(path);
                where = null;
                selectionArgs = null;
            } else {
                // Remove schema for search in the database
                // Otherwise the file will not found
                String data = path;
                if( data.startsWith("file://") ){
                    data = data.substring(7);
                }
                uri = Audio.Media.getContentUriForPath(path);
                where = MediaColumns.DATA + "=?";
                selectionArgs = new String[] {
                    data
                };
            }

            try {
                mCursor = resolver.query(uri, mCursorCols, where, selectionArgs, null);
                if (mCursor != null) {
                    if (mCursor.getCount() == 0) {
                        mCursor.close();
                        mCursor = null;
                    } else {
                        mCursor.moveToNext();
                        ensurePlayListCapacity(1);
                        mPlayListLen = 1;
                        mPlayList[0] = mCursor.getLong(IDCOLIDX);
                        mPlayPos = 0;
                    }
                }
            } catch (UnsupportedOperationException ex) {
            }

            updateAlbumBitmap();
        }
        mFileToPlay = path;
        mPlayer.setDataSource(mFileToPlay);
        if (mPlayer.isInitialized()) {
            mOpenFailedCounter = 0;
            return true;
        }
        stop(true);
        return false;
    }
}
 

/**
   * Reload the queue after we remove a track
   */
  private void reloadQueueCursor() {
      String[] cols = new String[] {
              BaseColumns._ID, MediaColumns.TITLE, MediaColumns.DATA, AudioColumns.ALBUM,
              AudioColumns.ARTIST, AudioColumns.ARTIST_ID
      };
      StringBuilder selection = new StringBuilder();
      selection.append(AudioColumns.IS_MUSIC + "=1");
      selection.append(" AND " + MediaColumns.TITLE + " != ''");
      Uri uri = Audio.Media.EXTERNAL_CONTENT_URI;
      long[] mNowPlaying = MusicUtils.getQueue();
      if (mNowPlaying.length == 0) {
      }
      selection = new StringBuilder();
      selection.append(BaseColumns._ID + " IN (");
      for (int i = 0; i < mNowPlaying.length; i++) {
          selection.append(mNowPlaying[i]);
          if (i < mNowPlaying.length - 1) {
              selection.append(",");
          }
      }
      selection.append(")");
if(mCursor != null)
	mCursor.close();
      mCursor = MusicUtils.query(getActivity(), uri, cols, selection.toString(), null, null);
      String[] audioCols = new String[] { BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ARTIST, AudioColumns.ALBUM}; 
      MatrixCursor playlistCursor = new MatrixCursor(audioCols);
  	for(int i = 0; i < mNowPlaying.length; i++){
  		mCursor.moveToPosition(-1);
  		while (mCursor.moveToNext()) {
              long audioid = mCursor.getLong(mCursor.getColumnIndexOrThrow(BaseColumns._ID));
          	if( audioid == mNowPlaying[i]) {
                  String trackName = mCursor.getString(mCursor.getColumnIndexOrThrow(MediaColumns.TITLE));
                  String artistName = mCursor.getString(mCursor.getColumnIndexOrThrow(AudioColumns.ARTIST));
                  String albumName = mCursor.getString(mCursor.getColumnIndexOrThrow(AudioColumns.ALBUM));
          		playlistCursor.addRow(new Object[] {audioid, trackName, artistName ,albumName});

          	}
          }
  	}
if(mCursor != null)
	mCursor.close();
      mCursor = playlistCursor;
      mAdapter.changeCursor(playlistCursor);
  }