IOS jump from app to Safari, open phone call from app

1. Jump from app to Safari

1nsstring* Stridentifier =@"http://www.ybyb.com";2BOOL isexsit =[[uiapplication sharedapplication] Canopenurl:[nsurl Urlwithstring:stridentifier]];3             if(isexsit) {4NSLog (@"App%@ installed", stridentifier);5 [[uiapplication sharedapplication] Openurl:[nsurl Urlwithstring:stridentifier]];6}

2. Open a phone call from the app

1NSString *phonenum =@"10086";//Phone number2         3UIWebView *Phonecallwebview;4Nsurl *phoneurl = [Nsurl urlwithstring:[nsstring stringWithFormat:@"tel:%@", Phonenum]];5          if( !Phonecallwebview) {6Phonecallwebview = [[UIWebView alloc] Initwithframe:cgrectzero];//This webview is just a background view does not need to add to the page7             8              }9 [Phonecallwebview loadrequest:[nsurlrequest requestwithurl:phoneurl];Ten          One[Self.view Addsubview:phonecallwebview];

IOS jump from app to Safari, open phone call from app