Uri to path, path to Uri

절대경로 -> uri

  public Uri getUriFromPath(String filePath) {
    Cursor cursor = getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
      null, "_data = '" + filePath + "'", null, null);

    cursor.moveToNext();
    int id = cursor.getInt(cursor.getColumnIndex("_id"));
    Uri uri = ContentUris.withAppendedId(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, id);

    return uri;
  }

uri -> 절대경로

  public String getRealPathFromURI(Uri contentUri) {

    String[] proj = { MediaStore.Images.Media.DATA };

    Cursor cursor = getContentResolver().query(contentUri, proj, null, null, null);
    cursor.moveToNext();
    String path = cursor.getString(cursor.getColumnIndex(MediaStore.MediaColumns.DATA));
    Uri uri = Uri.fromFile(new File(path));

    cursor.close();
    return path;
  }

Uri to path, path to Uri

Uri에서 절대경로, 절대경로에서 Uri