iPhone屏幕锁上的Web服务呼叫失败

Question

If the iPhone screen locked automatically or annually while I call any Web Service then the connection breaks and its throw unable to connect server message.

Is there any way I can resume the service call or handle screen lock scenario.

Due to this app goes in inconsistent state some time

Answer 1

When Phone is locked or The App is in background mode. you need to call API as a background service.

Answer 2

Yes, You can handle the screen lock scenario.

[UIApplication sharedApplication].idleTimerDisabled = YES;

you can set this when you start calling web service and stop by set value to NO when you finished your work.

And if it does not work, then you can put this line in appdelegate's method.

- (BOOL) application:(UIApplication*)application didFinishLaunchingWithOptions:(NSDictionary*)launchOptions {
       [UIApplication sharedApplication].idleTimerDisabled = YES;
       return YES;
}

which will disable your automatic screen lock for whole app while running.