Java tutorial
//package com.java2s; /** * Copyright (C) 2013-2014 EaseMob Technologies. All rights reserved. * <p/> * 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.os.Environment; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; public class Main { public static void put(String s, String name) { try { File saveFile = new File(Environment.getExternalStorageDirectory() + "/hhtlog/" + name + ".txt"); if (!saveFile.exists()) { File dir = new File(saveFile.getParent()); dir.mkdirs(); saveFile.createNewFile(); } FileOutputStream outStream = new FileOutputStream(saveFile); outStream.write(s.getBytes()); outStream.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }