2014/10/15 下午 10:13:56

iphone Programming Glossary: setbrightness

Is there a way of adjusting the screen brightness programmatically?

http://stackoverflow.com/questions/3779667/is-there-a-way-of-adjusting-the-screen-brightness-programmatically

iphone ios share improve this question Edit iOS 5 now includes a screen brightness API . UIScreen mainScreen setBrightness 0.5 Previous answer No this capability is not exposed via public APIS. Edit Note that a future possible iOS release may..

IOS5 setBrightness didn't work with applicationWillResignActive

http://stackoverflow.com/questions/8280734/ios5-setbrightness-didnt-work-with-applicationwillresignactive

setBrightness didn't work with applicationWillResignActive I use UIScreen mainScreen setBrightness in sdk 5.0 to change the system background.. setBrightness didn't work with applicationWillResignActive I use UIScreen mainScreen setBrightness in sdk 5.0 to change the system background light in my app. The following steps work with my app Active the app get the.. mainScreen brightness NSUserDefaults standardUserDefaults setFloat sysBright forKey @ sysBright UIScreen mainScreen setBrightness appBright doesn't work when i ResignActive with the home button void applicationWillResignActive UIApplication application..

applicationWillResignActive and setBrightness not working?

http://stackoverflow.com/questions/8316358/applicationwillresignactive-and-setbrightness-not-working

and setBrightness not working I use UIScreen mainScreen setBrightness in sdk 5.0 to change the system background light in my app. The following.. and setBrightness not working I use UIScreen mainScreen setBrightness in sdk 5.0 to change the system background light in my app. The following steps work with my app Active the app get the.. mainScreen brightness NSUserDefaults standardUserDefaults setFloat sysBright forKey @ sysBright UIScreen mainScreen setBrightness appBright doesn't work when i ResignActive with the home button void applicationWillResignActive UIApplication application..

iPhone: How can we programmatically change the brightness of the screen?

http://stackoverflow.com/questions/8936999/iphone-how-can-we-programmatically-change-the-brightness-of-the-screen

How to set UIScreen Brightness Using UISlider in iOS4 from Setting.bundle

http://stackoverflow.com/questions/9783513/how-to-set-uiscreen-brightness-using-uislider-in-ios4-from-setting-bundle

lots of googling got one code. UISlider slider UISlider sender float fBrightness slider.value UIScreen mainScreen setBrightness fBrightness But this code is worked Only iOS5 not in iOS4 when i am using this code in my apps i got warning and my app.. in iOS4 when i am using this code in my apps i got warning and my app crash warning 'UIScreen' may not respond to ' setBrightness ' so please anyone help me how to empliments this feature in iOS4 thank you EDIT Solution void ActionBrightness NSUserDefaults..