Cannot open a SystemDialog before you start the event more in 10.3.1 loop

In my app, I'm a housekeeper in the main application class constructor. The first thing I do is to warn the user about the use of data and give them the opportunity to accept and to accept and never ask again or give up commissioning. If they choose to have an abortion, I put a flag on the object of the main application I've read in main.cpp after instantiation of the main class. If the abandonment of the Pavilion is the main event loop is not started and the application closes without loading all the data from the carrier or WiFi network.

It worked perfectly in every version of OS 10.0 to 10.2.1 but less 10.3.1 as soon as I hit the line where the dialog box is open in fact the app hangs up, but ONLY WHEN RUNNING ON a PHYSICAL DEVICE. On a 10.3.1 Simulator it still works like it used to.

Has anyone else seen elsewhere?

OK, I found a work around for this. The application event loop must not be running, but I found that a SystemDialog does not display on 10.3.1 until AFTER the root of the application has been staged. This was NOT true for older versions of OS.

Pre-OS 10.3.1 this code works fine:

// ---This code works as expected under OS 10.0 - 10.2.1, but not on 10.3.1bb::system::SystemDialog dialog;
dialog.setTitle( tr( "Title" ) );
dialog.setBody( tr( "Body" ) );
dialog.exec();

QmlDocument *qml = QmlDocument::create( "asset:///main.qml" ).parent( this );
AbstractPane *root = qml->createRootObject();
app->setScene( root );

.. .but on a device running 10.3.1 the app will lock on the line of dialog.exec () (it works well on a 10.3.1 if Simulator). The following change, however, works very well on a device running 10.3.1:

// ---This code works fine under all versions of BlackBerry 10 OS, including 10.3.1QmlDocument *qml = QmlDocument::create( "asset:///main.qml" ).parent( this );
AbstractPane *root = qml->createRootObject();
app->setScene( root );

bb::system::SystemDialog dialog;
dialog.setTitle( tr( "Title" ) );
dialog.setBody( tr( "Body" ) );
dialog.exec();

Tags: BlackBerry Developers

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