navigationUnclick() is sometimes not invoked

In some cases, navigationUnclick() is not called when the user clicks and releases the trackball. This is reproducible with any device or Simulator I have test it with (8300, 8900, 9000, 9700).

The use case is the following: the user clicks on an item in a ListField and expects a context menu is displayed if they release the ball within a fixed period of time. If they continue to hold the ball until the end of the period, the default action is executed.

The navigationUnclick() event is necessary to stop the stopwatch and to display the context menu. However, it seems that the first time the user clicks on an element, the navigationUnclick() method is never called. On the presses, the method is called.

The problem is that when certain operations occur, appear to us a 'busy indicator' top of the screen and turn off the painting during this period. In this case, the busy light interfered with the invocation of Navigation.unClick (). In this case turn off busy indicator has solved the problem.

Tags: BlackBerry Developers

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