Red Digital reminder on the top right foot of IOS App

IOS8.0 previously displayed directly:

UIApplication *application=// set icon on the update number application.applicationiconbadgenumber=3 ;

IOS8.0 The following code is required to let the user choose whether to display

float versionnumber=if8.0) {// notification Settings    Uiusernotificationsettings *settings = [uiusernotificationsettings settingsfortypes: Uiusernotificationtypebadge Categories:nil];     // receive user's Choice     [[UIApplication sharedapplication] registerusernotificationsettings:settings];}

Similar to the following effect:

Red Digital reminder on the top right foot of IOS App