从观看应用启动主机应用 [英] Launch host app from watch app

问题描述

我知道监视工具包扩展中的 openParentApplication api可以在后台打开主机应用程序，但不能在前台打开。

I know that the openParentApplication api in watch kit extension can open the host app in the background but not in the foreground.

我还尝试使用 openUrl（） api of NSExtensionContext ，如下所示：

I also tried using openUrl() api of NSExtensionContext as below:

NSExtensionContext *ctx = [[NSExtensionContext alloc] init];

NSURL *url = [NSURL URLWithString:@"myScheme://today"];
[ctx openURL:url completionHandler:^(BOOL success) {
    NSLog(@"fun=%s after completion. success=%d", __func__, success);
}];
[ctx completeRequestReturningItems:ctx.inputItems completionHandler:nil];

此处主机应用程序也未启动。我错过了什么吗？或者是不可能
从手表套件扩展中启动主机应用程序？

Here too the host app is not launched. Am I missing something? or is it not possible to launch the host app from watch kit extension?

推荐答案

如果您需要要在前台打开您的父应用，请使用Handoff！

https://developer.apple.com/handoff/

https://developer.apple.com/handoff/

示例：

两者共享：

static let sharedUserActivityType = "com.yourcompany.yourapp.youraction"
static let sharedIdentifierKey = "identifier"

在您的手表上：

updateUserActivity(sharedUserActivityType, userInfo: [sharedIdentifierKey : 123456], webpageURL: nil)

您的iPhone上的App代表：

on your iPhone in App Delegate:

func application(application: UIApplication, willContinueUserActivityWithType userActivityType: String) -> Bool {
    if (userActivityType == sharedUserActivityType) {
        return true
    }
    return false
}

func application(application: UIApplication, continueUserActivity userActivity: NSUserActivity, restorationHandler: ([AnyObject]!) -> Void) -> Bool {
    if (userActivity.activityType == sharedUserActivityType) {
        if let userInfo = userActivity.userInfo as? [String : AnyObject] {
            if let identifier = userInfo[sharedIdentifierKey] as? Int {
                //Do something
                let alert = UIAlertView(title: "Handoff", message: "Handoff has been triggered for identifier \(identifier)" , delegate: nil, cancelButtonTitle: "Thanks for the info!")
                alert.show()
                return true
            }
        }
    }
    return false
}

最后（这一步很重要!!!）：在你的Info.plist中

这篇关于从观看应用启动主机应用的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！