判断功能是否可以使用

[[UIApplication sharedApplication]canOpenURL:[NSURL URLWithString:@""]];

参数书写具体调用的功能

[[UIApplication sharedApplication]openURL:[NSURL URLWithString:@""]];

封装方法 传入功能名称 调用功能

• (void)appOpenUrl:(NSString *)urlStr{
  NSURL * url = [NSURL URLWithString:urlStr];
  UIApplication * app = [UIApplication sharedApplication];
  if ([app canOpenURL:url]) {
  [app openURL:url];
  }else{
  NSLog(@"error");
  }
  }

pragma mark -- 打电话

• (IBAction)tell:(UIButton *)sender {
  [self appOpenUrl:@"tel://10086"];
  }

pragma mark -- 发短信

• (IBAction)message:(UIButton *)sender {
  [self appOpenUrl:@"sms://10086"];
  }

pragma mark -- 发邮件

• (IBAction)email:(UIButton *)sender {
  [self appOpenUrl:@"mailto://10086"];
  }

pragma mark -- 浏览器

• (IBAction)browser:(UIButton *)sender {
  [self appOpenUrl:@"http://10086"];
  }

pragma mark -- 应用跳转

• (IBAction)appJump:(UIButton *)sender {
  //添加跳转白名单的操作 LSApplicationQueriesSchemes Xcode7应用跳转
  }
  //application代理方法
  -(BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<NSString *,id> *)options
  {
  NSLog(@"接收到应用传值%@",url.absoluteString);
  return YES;
  }