system function calls

First, call the system phone

// Call system Call function -(void) callphonenumber{    *allstring = [NSString stringWithFormat:@ "  tel:10086"];    [[UIApplication sharedapplication] Openurl:[nsurl urlwithstring:allstring];}

Second, the message function of invoking the system

// calling the system mailbox    [[UIApplication sharedapplication] Openurl:[nsurl urlwithstring:@ "mailto://[email protected] "]];

Third, safari that calls the system

   [[UIApplication sharedapplication] Openurl:[nsurl urlwithstring:@ "http://www.baidu.com" ]];

Iv. calling the system's SMS kinetic energy

1, this function to carry out some related configuration operation

1) Add Messageui.framework

2) Import header file

#import <MessageUI/MFMessageComposeViewController.h>

3) Compliance with the agreement

<MFMessageComposeViewControllerDelegate>

//call to send SMS method[Self sendsms:@"101"recipientlist:@[@"10010"]];//content, recipient list- (void) Sendsms: (NSString *) bodyofmessage recipientlist: (Nsarray *) recipients{Mfmessagecomposeviewcontroller*controller =[[Mfmessagecomposeviewcontroller alloc] init]; if([Mfmessagecomposeviewcontroller Cansendtext]) {controller.body=Bodyofmessage; Controller.recipients=recipients; Controller.messagecomposedelegate=Self ;    [Self Presentviewcontroller:controller animated:yes completion:nil]; }    }//processing the results of a response sent out- (void) Messagecomposeviewcontroller: (Mfmessagecomposeviewcontroller *Controller Didfinishwithresult: (messagecomposeresult) result{[self dismissviewcontrolleranimated:yes    Completion:nil]; if(Result = =messagecomposeresultcancelled) NSLog (@"Message cancelled"); Else if(Result = =messagecomposeresultsent) NSLog (@"Message sent"); ElseNSLog (@"Message failed"); }

Tip: These functions of calling the system need to be tested on the real machine!

system function calls