Java tutorial
//package com.java2s; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.Environment; import java.io.File; public class Main { /** * Forces the Android gallery to refresh its thumbnail images. * @param context * @param fdelete */ private static void refreshGalleryImages(Context context, File fdelete) { try { context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" + Environment.getExternalStorageDirectory()))); } catch (Exception e1) { try { Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE); Uri contentUri = Uri.fromFile(fdelete); mediaScanIntent.setData(contentUri); context.sendBroadcast(mediaScanIntent); } catch (Exception e2) { } } } }