Java tutorial
//package com.java2s; /* * Copyright 2015 OpenMarket Ltd * * 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.Context; import android.os.Environment; import java.io.File; public class Main { /** * @param context the context * @param filename the filename * @return true if a file named "filename" is stored in the downloads directory */ public static Boolean doesFileExistInDownloads(Context context, String filename) { File dstDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS); if (dstDir != null) { dstDir.mkdirs(); } File dstFile = new File(dstDir, filename); return dstFile.exists(); } }