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问:ios开发下使用什么命令能退出iphone应用?0+

8,101 views / 2011.05.29 / 11:11 下午

There is no API provided for gracefully terminating an iPhone application. Under the iPhone OS, the user presses the Home button to close applications. Should your application have conditions in which it cannot provide its intended function, the recommended approach is to display an alert for the user that indicates the nature of the problem and possible actions the user could take – turning on WiFi, enabling Location Services, etc. Allow the user to terminate the application at their own discretion.

WARNING: It is possible to quit the application by calling exit. Applications calling exit will appear to the user to have crashed, rather than performing a graceful termination and animating back to the Home screen. Such usage provides a negative experience and is strongly discouraged.

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