iOS 打电话 带提示框

方法一

NSMutableString *
str=[[NSMutableString alloc] initWithFormat:@"telprompt://%@",@"8004002136"];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]]

方法二

NSMutableString *
str=[[NSMutableString alloc] initWithFormat:@"tel:%@",@"4001234569"];
UIWebView *
callWebview = [[UIWebView alloc] init];

[callWebview loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:str]]];

[self.view addSubview:callWebview];