Created
July 18, 2016 14:51
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Getting filePath from Uri
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@SuppressLint("NewApi") | |
private static String getRealPathFromUri(boolean isKitKat, final Context context, final Uri uri) { | |
// DocumentProvider | |
if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) { | |
// ExternalStorageProvider | |
if (isExternalStorageDocument(uri)) { | |
final String docId = DocumentsContract.getDocumentId(uri); | |
final String[] split = docId.split(":"); | |
final String type = split[0]; | |
if ("primary".equalsIgnoreCase(type)) { | |
return Environment.getExternalStorageDirectory() + "/" + split[1]; | |
} | |
// TODO handle non-primary volumes | |
} | |
// DownloadsProvider | |
else if (isDownloadsDocument(uri)) { | |
final String id = DocumentsContract.getDocumentId(uri); | |
final Uri contentUri = ContentUris.withAppendedId( | |
Uri.parse("content://downloads/public_downloads"), Long.valueOf(id)); | |
return getDataColumn(context, contentUri, null, null); | |
} | |
// MediaProvider | |
else if (isMediaDocument(uri)) { | |
final String docId = DocumentsContract.getDocumentId(uri); | |
final String[] split = docId.split(":"); | |
final String type = split[0]; | |
Uri contentUri = null; | |
if ("image".equals(type)) { | |
contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; | |
} else if ("video".equals(type)) { | |
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; | |
} else if ("audio".equals(type)) { | |
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI; | |
} | |
final String selection = "_id=?"; | |
final String[] selectionArgs = new String[] { | |
split[1] | |
}; | |
return getDataColumn(context, contentUri, selection, selectionArgs); | |
} | |
} | |
// MediaStore (and general) | |
else if ("content".equalsIgnoreCase(uri.getScheme())) { | |
return getDataColumn(context, uri, null, null); | |
} | |
// File | |
else if ("file".equalsIgnoreCase(uri.getScheme())) { | |
return uri.getPath(); | |
} | |
return null; | |
} | |
/** | |
* Get the value of the data column for this Uri. This is useful for | |
* MediaStore Uris, and other file-based ContentProviders. | |
* | |
* @param context The context. | |
* @param uri The Uri to query. | |
* @param selection (Optional) Filter used in the query. | |
* @param selectionArgs (Optional) Selection arguments used in the query. | |
* @return The value of the _data column, which is typically a file path. | |
*/ | |
private static String getDataColumn(Context context, Uri uri, String selection, | |
String[] selectionArgs) { | |
Cursor cursor = null; | |
final String column = "_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; | |
} | |
/** | |
* @param uri The Uri to check. | |
* @return Whether the Uri authority is ExternalStorageProvider. | |
*/ | |
private static boolean isExternalStorageDocument(Uri uri) { | |
return "com.android.externalstorage.documents".equals(uri.getAuthority()); | |
} | |
/** | |
* @param uri The Uri to check. | |
* @return Whether the Uri authority is DownloadsProvider. | |
*/ | |
private static boolean isDownloadsDocument(Uri uri) { | |
return "com.android.providers.downloads.documents".equals(uri.getAuthority()); | |
} | |
/** | |
* @param uri The Uri to check. | |
* @return Whether the Uri authority is MediaProvider. | |
*/ | |
private static boolean isMediaDocument(Uri uri) { | |
return "com.android.providers.media.documents".equals(uri.getAuthority()); | |
} |
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