Scan Android SD card for new files

Question

My app allows a user to save an image to their SD card. But I\'m not sure how to make it appear in the gallery until you unmount and remount the SD card. I have googled for

Answer 1

Use MediaScannerConnection:

http://developer.android.com/reference/android/media/MediaScannerConnection.html

It can be a little bit of a pain because of the multiple levels of asynchronous calls, so as of API 8 (Froyo) there is a helper function:

http://developer.android.com/reference/android/media/MediaScannerConnection.html#scanFile(android.content.Context, java.lang.String[], java.lang.String[], android.media.MediaScannerConnection.OnScanCompletedListener)