[UIApplication networkActivityIndicatorVisible]
A Boolean value that turns an indicator of network activity on or off.
@property(nonatomic, getter=isNetworkActivityIndicatorVisible) BOOL networkActivityIndicatorVisible
Discussion of [UIApplication networkActivityIndicatorVisible]
Specify
YES if the application should show network activity and NO if it should not. The default value is NO. A spinning indicator in the status bar shows network activity. The application may explicitly hide or show this indicator.
Example of [UIApplication networkActivityIndicatorVisible]
- (void)showNetworkActivityIndicator {
if ([[UIApplication sharedApplication] isStatusBarHidden]) return;
@synchronized ([UIApplication sharedApplication]) {
if (activityCount == 0) {
self.networkActivityIndicatorVisible = YES;
}
activityCount++;
}
}
Example of [UIApplication networkActivityIndicatorVisible]
- (void)hideNetworkActivityIndicator {
if ([[UIApplication sharedApplication] isStatusBarHidden]) return;
@synchronized ([UIApplication sharedApplication]) {
activityCount--;
if (activityCount <= 0) {
self.networkActivityIndicatorVisible = NO;
activityCount=0;
}
}
}
Example of [UIApplication networkActivityIndicatorVisible]
- (void) doActualWork {
[self downloadFunction];
[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
}
- (void) doWork {
[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
[self performSelector:@selector(doActualWork) withObject:Nil afterDelay:0.05];
}