Java tutorial
//package com.java2s; //License from project: Open Source License import android.content.Context; import java.io.FileOutputStream; public class Main { /** * Write content to file fileName in internal storage * @param context : context. * @param fileName : file name. * @param content : content to back up. */ public static void saveFileToInternalStorage(Context context, String fileName, String content) { FileOutputStream outputStream; try { outputStream = context.openFileOutput(fileName, Context.MODE_PRIVATE); outputStream.write(content.getBytes()); outputStream.close(); } catch (Exception e) { e.printStackTrace(); } } }