iOS 拨打电话三种方式总结

1,拨打完电话回不到原来的应用,会停留在通讯录里,而且是不弹出提示直接拨打

NSMutableString *str=[[NSMutableStringalloc]initWithFormat:@"tel:%@",@"电话号码"];

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]];

2,打完电话后回到原来的程序,也会弹出提示

NSMutableString *str=[[NSMutableStringalloc]initWithFormat:@"tel:%@",@"电话号码"];

UIWebView *callWebview = [[UIWebViewalloc]init];

[callWebviewloadRequest:[NSURLRequestrequestWithURL:[NSURLURLWithString:str]]];

[self.view addSubview:callWebview];

3,这种方法也会回去到原来的程序里(注意这里的telprompt),也会弹出提示

NSMutableString* str=[[NSMutableStringalloc]initWithFormat:@"telprompt://%@",@"电话号码"];

[[UIApplicationsharedApplication]openURL:[NSURLURLWithString:str]];

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