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Launch host app from watch app

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

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];

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?

like image 676
Ganesh Nayak Avatar asked Dec 30 '14 06:12

Ganesh Nayak


1 Answers

As of Beta 3 of iOS 8.2 it is currently not possible to open iOS app to foreground. As you said openParentApplication can open app in background. Unfortunately there is no sign of API to open app on iPhone.

Multiple posts on Apple Dev Forums mentioned that it's not possible

https://devforums.apple.com/message/1076125#1076125

Correct, a notification can still declare a background action that the iPhone app will handle, so in that sense it can launch the iPhone app. But the iPhone app cannot be brought to the foreground by a WatchKit app.

And other post

https://devforums.apple.com/message/1082620#1082620

On a device, it[Watch app] will not - bring your iOS app to the foreground.

like image 106
lvp Avatar answered Sep 23 '22 19:09

lvp