Android相当于iOS中的NSUserDefaults [英] Android equivalent of NSUserDefaults in iOS

问题描述

我想保存一些简单的数据.在iPhone上，我可以使用Objective-I中的 NSUserDefaults C.

I'd like to save some simple data. On the iPhone, I can do it with NSUserDefaults in Objective-C.

Android中的类似命令是什么?

What is the similar command here in Android?

我只保存了一些变量，只要安装了应用程序即可重复使用.我不想使用复杂的数据库来做到这一点.

I'm just saving a few variables, to be reused as long as the application is installed. I don't want to use a complicated database just to do that.

推荐答案

这是我找到的最简单的解决方案:

This is the most simple solution I've found:

//--Init
int myvar = 12;


//--SAVE Data
SharedPreferences preferences = context.getSharedPreferences("MyPreferences", Context.MODE_PRIVATE);  
SharedPreferences.Editor editor = preferences.edit();
editor.putInt("var1", myvar);
editor.commit();


//--READ data       
myvar = preferences.getInt("var1", 0);  

其中上下文"是当前上下文(例如，活动子类中的可能是 this ).

Where 'context' is the current context (e.g. in an activity subclass could be this).

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