如何获取其他视图控制器中的nsuserdefault值 [英] How to get the nsuserdefault value in other viewcontrollers
本文介绍了如何获取其他视图控制器中的nsuserdefault值的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有两个viewcontrollers。在我的第一个viewcontroller:
I have two viewcontrollers. In my first viewcontroller:
{
NSString *string=textField.text;
NSUserDefaults *data = [NSUserDefaults standardUserDefaults];
[data setObject:string forKey:@"strings"];
[data synchronize];
}
如何获取我的其他viewcontroller中的字符串值?
How do I get the string value in my other viewcontroller?
推荐答案
这里你可以在你的应用程序中使用这个NSUserDefaults的store值。
$ b
Here you can use this in anyway in your application for store value of NSUserDefaults.
// --- Saving
NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];
// saving an NSString
[prefs setObject:@"TextToSave" forKey:@"keyToLookupString"];
// saving an NSInteger
[prefs setInteger:42 forKey:@"integerKey"];
// saving a Double
[prefs setDouble:3.1415 forKey:@"doubleKey"];
// saving a Float
[prefs setFloat:1.2345678 forKey:@"floatKey"];
// This is suggested to synch prefs, but is not needed (I didn't put it in my tut)
[prefs synchronize];
这里你可以在应用程序中使用这个来获取NSUserDefaults的值。 strong>
Here you can use this in anyway in your application for get value of NSUserDefaults.
// --- Retrieving
NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];
// getting an NSString
NSString *myString = [prefs stringForKey:@"keyToLookupString"];
// getting an NSInteger
NSInteger myInt = [prefs integerForKey:@"integerKey"];
// getting an Float
float myFloat = [prefs floatForKey:@"floatKey"];
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