Java tutorial
//package com.java2s; /* * Copyright (c) 2014, KJFrameForAndroid (kymjs123@gmail.com). * * 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 java.io.File; import java.util.ArrayList; import java.util.List; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.provider.MediaStore; public class Main { public static List<String> listAlldir(Context cxt) { Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI); Uri uri = intent.getData(); List<String> list = new ArrayList<String>(); String[] proj = { MediaStore.Images.Media.DATA }; Cursor cursor = cxt.getContentResolver().query(uri, proj, null, null, null); while (cursor.moveToNext()) { String path = cursor.getString(0); list.add(new File(path).getAbsolutePath()); } return list; } }