Java tutorial
//package com.java2s; /* * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.ContentValues; import android.content.Context; import android.net.Uri; import android.provider.MediaStore.Images; import java.io.File; public class Main { private static final int MILLISEC_PER_SEC = 1000; /** * Update content. * * @param context * context * @param sourceUri * source uri * @param file * output file * @return source uri */ public static Uri updateContent(Context context, Uri sourceUri, File file) { long now = System.currentTimeMillis() / MILLISEC_PER_SEC; final ContentValues values = new ContentValues(); values.put(Images.Media.DATE_MODIFIED, now); values.put(Images.Media.DATE_ADDED, now); values.put(Images.Media.SIZE, file.length()); context.getContentResolver().update(sourceUri, values, null, null); return sourceUri; } }