iOS打电话、发短信、发邮件实例代码

#import <messageui/messageui.h>

@interface viewcontroller ()<mfmessagecomposeviewcontrollerdelegate>

- (void)sendermessage{
  if([mfmessagecomposeviewcontroller cansendtext]) {
    ///短信实例化
    mfmessagecomposeviewcontroller * messagevc = [[mfmessagecomposeviewcontroller alloc] init];
    ///目标号码，可以多个
    messagevc.recipients = @[@"18888888888",@"15555555555"];
    messagevc.navigationbar.tintcolor = [uicolor redcolor];
    messagevc.body = @"发送的内容-发送的内容-发送的内容";
    messagevc.messagecomposedelegate = self;
    [self presentviewcontroller:messagevc animated:yes completion:nil];
    [[[[messagevc viewcontrollers] lastobject] navigationitem] settitle:@"title"];
  }
  else {
    nslog(@"当前设备不支持短信功能");
  }
  
}

-(void)messagecomposeviewcontroller:(mfmessagecomposeviewcontroller *)controller didfinishwithresult:(messagecomposeresult)result {
  ///dismiss mfmessagecomposeviewcontroller
  [controller dismissviewcontrolleranimated:yes completion:nil];
  if (result == messagecomposeresultsent) {
    nslog(@"信息发送成功！");
  }
  else if (result == messagecomposeresultfailed){
    nslog(@"信息发送失败！");
  }
  else if (result == messagecomposeresultcancelled){
    nslog(@"点击了取消");
  }
  else{
    
  }
}

- (void)dialphone{
  ///该方法直接拨打，不会弹出呼叫（取消）
  [[uiapplication sharedapplication]openurl:[nsurl urlwithstring:@"tel://18888888888"]];
  
  ///该方法会弹出是否取消呼叫
  uiwebview*callwebview =[[uiwebview alloc] init];
  nsurl *telurl =[nsurl urlwithstring:@"tel:18888888888"];
  [callwebview loadrequest:[nsurlrequest requestwithurl:telurl]];
  [self.view addsubview:callwebview];
}

- (void)senderemail{
  nsstring *urlstr =@"mailto:xxxxxxxx@xxxx.com?subject=邮件主题(此参数可不传)&body=邮件内容(此参数可不传)";
  nsurl *url = [nsurl urlwithstring:urlstr] ;
  [[uiapplication sharedapplication] openurl:url];
}

- (void)senderqq{
  ///111111111111为qq号码
  nsstring *url = @"mqq://im/chat?chat_type=wpa&uin=111111111111&version=1&src_type=web";
  [[uiapplication sharedapplication] openurl:[nsurl urlwithstring:url]];
}