Swift:如何在点击UIButton时打开一个新的应用程序

时间:2015-11-26 06:55:06

标签: ios iphone xcode swift

我有一个应用程序,当点击一个uibutton时,我想打开另一个已安装的应用程序(即Waze)。我怎么能这样做?非常感谢。

6 个答案:

答案 0 :(得分:13)

试试这个。例如,您想要打开Instagram应用程序:

    var instagramHooks = "instagram://user?username=johndoe"
    var instagramUrl = NSURL(string: instagramHooks)
    if UIApplication.sharedApplication().canOpenURL(instagramUrl!)
    {  
        UIApplication.sharedApplication().openURL(instagramUrl!)

     } else {
        //redirect to safari because the user doesn't have Instagram
        UIApplication.sharedApplication().openURL(NSURL(string: "http://instagram.com/")!)
    }

答案 1 :(得分:5)

在SecondApp中

转到SecondApp的plist文件,你需要添加一个带有字符串iOSDevTips的URL Schemes(当然你可以写另一个字符串。这取决于你)。

enter image description here

2。在FirstApp

使用以下操作创建一个按钮:

- (void)buttonPressed:(UIButton *)button
{
  NSString *customURL = @"iOSDevTips://";

  if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:customURL]])
  {
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:customURL]];
  }
  else
  {
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"URL error"
                              message:[NSString stringWithFormat:@"No custom URL defined for %@", customURL]
                              delegate:self cancelButtonTitle:@"Ok" 
                              otherButtonTitles:nil];
    [alert show];
  }

}

就是这样。现在,当您可以单击FirstApp中的按钮时,它应该打开SecondApp。

有关详细信息,请参阅here

答案 2 :(得分:2)

您可以查看Waze Community以供参考。

Objective-C代码段:

if ([[UIApplication sharedApplication]
canOpenURL:[NSURL URLWithString:@"waze://"]]) {

  // Waze is installed. Launch Waze and start navigation
  NSString *urlStr =
    [NSString stringWithFormat:@"waze://?ll=%f,%f&navigate=yes",
    latitude, longitude];

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

 } else {

  // Waze is not installed. Launch AppStore to install Waze app
  [[UIApplication sharedApplication] openURL:[NSURL
    URLWithString:@"http://itunes.apple.com/us/app/id323229106"]];
}

Swift代码段:

if UIApplication.shared.canOpenURL(URL(string: "waze://")!) {
    // Waze is installed. Launch Waze and start navigation
    let urlStr = String(format: "waze://?ll=%f, %f&navigate=yes", latitude, longitude)
    UIApplication.shared.openURL(URL(string: urlStr)!)
} else {
    // Waze is not installed. Launch AppStore to install Waze app
    UIApplication.shared.openURL(URL(string: "http://itunes.apple.com/us/app/id323229106")!)
}

答案 3 :(得分:1)

在swift4 waze中

class FullMapVC: UIViewController {

    var lat:CLLocationDegrees?
    var long:CLLocationDegrees?

    func wazeMaps()
    {
        let openUrl = URL(string: "waze://?ll=\(String(describing: lat!)),\(String(describing: long!))&navigate=yes")!
        UIApplication.shared.open(openUrl , options:[:]) { (success) in
            if !success
            {

            }
        }
    }

}

如果您想使用谷歌地图

,请更换网址
 let openUrl = URL(string: "comgooglemaps://?saddr=&daddr=\(String(describing: lat!)),\(String(describing: long!))&directionsmode=driving")!

答案 4 :(得分:0)

在Swift 4中,您可以使用:

    if let url = URL(string: "\(myUrl)") {
    UIApplication.shared.open(url, options: [:], completionHandler: nil)
}

答案 5 :(得分:0)

对于 Swift 4 / 5 / ...,你可以像这样正确地做:

if let url = URL(string: url), UIApplication.shared.canOpenURL(url) {
    UIApplication.shared.open(url)
} else {
    // display error ?
}
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