iPhone home button pressed

In my app has a button that opens开发者_如何学JAVA the browser and my application was for background. I just want to close the app when the home button is clicked.

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Not sure if I understand your question correctly, but if you want your app to quit (rather than going to the background), you'll have to set the UIApplicationExitsOnSuspend key in your Info.plist to YES.

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This has been asked and answered many times. I just answered it a few hours ago:

to load the data when application starts in ipad