Android 相当于 iOS 中的 NSUserDefaults

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时间:2020-08-20 10:51:14  来源:igfitidea点击:

Android equivalent of NSUserDefaults in iOS

androidiosnsuserdefaultscode-translation

提问by christian Muller

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

我想保存一些简单的数据。在 iPhone 上,我可以用NSUserDefaultsObjective-C 来完成。

What is the similar command here in Android?

Android 中的类似命令是什么?

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.

我只是保存了一些变量,只要安装了应用程序就可以重复使用。我不想使用复杂的数据库来做到这一点。

回答by christian Muller

This is the most simple solution I've found:

这是我找到的最简单的解决方案:

//--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);  

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

其中“上下文”是当前上下文(例如,在活动子类中可以是this)。