Android数据保存-阿里云

android中Json数据保存方式

package com.example.savejsonproject; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.PrintS...

android 19 activity纵横屏切换的数据保存与恢复

Bundle类：竖屏的activity换到横屏的activity的时候，会把竖屏的activity杀掉横屏的activity创建，竖屏的activity会有一些计算结果，可以用数据存起来，存到内存里面，然后存在横屏的activity。 Intent类putExtra("user", user);传数...

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android数据保存之greendao

有时我们的数据属于保存到数据库，对于Android应用和IOS应用，我们一般都会使用SQLite这个嵌入式的数据库作为我们保存数据的工具。由于我们直接操作数据库比较麻烦，而且管理起来也非常的麻烦，以前用ormlite，最近项目尝试用greendao来保存数据。使用gradle导入greendao包...

android中数据保存

android中如何实现：假如当前是activity A，然后点击按钮到activity B,跳转到activity B需要从后台访问数据的。然后又回退到A，这时又想点击按钮到B。如何实现这时点击按钮不再需要访问后台而直接到B

SharedPreferences之Android数据保存

本文参考Google官方文档http://developer.android.com/training/basics/data-storage/shared-preferences.html 在Android中最简单的数据保存方式就数——SharedPreferences。如果你想要保存一些较小的...

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