Simple way to show ALAlert to the whole application on change of network Connectivity.
How to user it :
Include the headerfile for the Network alert and Use the following line of code in the AppDelegate or any controller once.
// supply the navigation ctrl instance to the ALAlertBannerMgr
// otherwise we can't see the alert notification on the UI.
[ALAlertBannerManager sharedManager].navCtrl = self.navCtrl;
You have to write only once this line to your code and alert will be visible to all the controller screen.
used library: https://github.com/alobi/ALAlertBanner
