Suspended

Jason H Mon, 22 Aug 2016 19:31:08 -0700

The problem AFAIK, is the delegate is not set when the app is launched.

A real main looks like:

int main(int argc, char *argv[])
{
    int retVal = UIApplicationMain(argc, argv, nil, @"HelloViewAppDelegate");


}

 

But our main()s instantiate a QApplication. Only after that do we set the app delegate, so the initial call to didFinishLaunchingWithOptions is lost to whatever default delegate Qt provides.

 

Someone correct me if I am wrong, but I'm pretty sure that is it.

Sent: Monday, August 22, 2016 at 7:53 PM
From: "Nuno Santos" <nunosan...@imaginando.pt>
To: "Manoel Neto" <manoelne...@gmail.com>
Cc: "Jason H" <jh...@gmx.com>, interest@qt-project.org
Subject: Re: [Interest] Location when the App is Killed/Terminated/Suspended

I think didFinishLaunchingWithOptions will only get called when the app is first loaded.

Have you tried the following ones?

- (void)applicationWillResignActive:(UIApplication *)application;

- (void)applicationDidEnterBackground:(UIApplication *)application;

-(void)applicationWillTerminate:(UIApplication *)application;

Nuno

On 22 Aug 2016, at 23:19, Manoel Neto <manoelne...@gmail.com> wrote:

Hi Jason, thanks for your reply. My problem is not how to build
AppDelegate (I did this and it is ok when the app is active or in
background.). The question is: how to call
didFinishLaunchingWithOptions "when the ap is Killed, suspended or
terminated." ? Apple says that if an app uses "The significant-change
location service", iOS will wake it up if there's a location update to
be delivered, even if the app is terminated. But i cant make it work
using QT.

Best R,

Manoel

On Mon, Aug 22, 2016 at 6:54 PM, Jason H <jh...@gmx.com> wrote:
@implementation QtAppDelegate

+(QtAppDelegate *)sharedQtAppDelegate{
       static dispatch_once_t pred;
       static QtAppDelegate *shared = nil;
       dispatch_once(&pred, ^{
               shared = [[super alloc] init];
       });
       return shared;
}

...

void QtAppDelegateInitialize()
{
       [[UIApplication sharedApplication] setDelegate:[QtAppDelegate sharedQtAppDelegate]];
}

// int main() {

#if defined(Q_OS_IOS)
       QtAppDelegateInitialize();
#endif

Sent: Monday, August 22, 2016 at 4:47 PM
From: "Manoel Neto" <manoelne...@gmail.com>
To: interest@qt-project.org
Subject: [Interest] Location when the App is Killed/Terminated/Suspended

Hi ,
  I'm building an APP using QT/QML for IOS / Android and need to use
location when the APP is Killed, suspended or terminated. For IOS i
did an Objective C implementation and used
startMonitoringSignificantLocationChanges method from
CLLocationManager class.

Briefly, I extended the QIOSApplicationDelegate to have access to the
didFinishLaunchingWithOptions method. There i check the option key "
UIApplicationLaunchOptionsLocationKey" and, if ok, start monitoring
Location using a LocationManager Delegate. The Background App Refresh
is enable for the Location updates to work in the background.

I folow an example code (in IOS) tha works great even when the app is
Killed, suspended or terminated. The only diference from my QT code
is that in QT i use QIOSApplicationDelegate instead of system delegate
in IOS. But in QT the didFinishLaunchingWithOptions is never called
when the ap is Killed, suspended or terminated.

- (BOOL)application:(UIApplication *)application
didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
.....
   shareModel = [LocationManager sharedManager];
      if ([launchOptions objectForKey:UIApplicationLaunchOptionsLocationKey]) {
           [shareModel startMonitoringLocation];
      }
}

Any suggestion?

Best R,
Manoel

--
Manoel Carvalho Marques Neto
manoelne...@gmail.com
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--
Manoel Carvalho Marques Neto
manoelne...@gmail.com
_______________________________________________
Interest mailing list
Interest@qt-project.org
http://lists.qt-project.org/mailman/listinfo/interest

_______________________________________________
Interest mailing list
Interest@qt-project.org
http://lists.qt-project.org/mailman/listinfo/interest

Re: [Interest] Location when the App is Killed/Terminated/Suspended

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