Fix timing on iOS Toolbar #12363
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Fix timing on iOS Toolbar #12363
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src/Controls/tests/DeviceTests/Elements/Shell/ShellTests.iOS.cs
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This reverts commit d2a0048. # Conflicts: # src/Controls/tests/DeviceTests/Elements/NavigationPage/NavigationPageTests.cs
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Description of Change
With MAUI we moved the code for processing
Toolbarlogic up into the xplat layer by way of an xplatToolbarcontrol. This allowed us to consolidate the toolbar logic that was copy and pasted across all platforms and between shell and non-shell. On iOS the shell toolbar management is handled byShellPageToolbarTrackerwhich gets instantiated for every single page. The code inside that tracker needs to ignore anytoolbarupdates if it's not the currently visible page.iOS is also a little bit tricky to wire up with regards to timing the back button title text. The BackButton text is based on the
UIViewController.NavigationItemof the previous page so we have to pull theBackButtonBehavioroff the incoming page and set it on theNavItemof the previous page before the current page is visible.NavigationPagegets around this by making it so the user has to setNavigationPage.BackButtonTitleon the previous page.NavigationPagebasically replicates howiOSpropagates back button text where asShelllets you set the back button text on the currently visible page.Issues Fixed
Fixes (but reverted) #10945
Fixes (but reverted) #11691
Fixes (but reverted) #9269
Fixes (but reverted) #9842
Fixes (but reverted) #9687