* feat(list-view): Adds the ability to check whether or not an Item at index is Visible on screen within a listView
* feat(list-view): add the unit-test for checking if list-item is visible.
* clean(list-view): fix invalid reference in list-view-common
* chore(list-view): remove unused logic
* test(list-view) updates the tests for checking if item at index is visible
* chore(ListView Tests): update the test_check_if_item_at_index_is_visible unit test to include 40 children, and test if the last item is visible or not.
* Chore(ListView IOS): Apply requested changes to the for-loop, and replace with Array.some for readability.
* chore(ListView android): Fix TSLint issues.
* cache page on forward navigation
Still some failing navigation tests
* Current page is kept alive when navigating forward
Refactoring code and removing all hacks and flags
Remove one module circular reference
* Disable Page recycling because when there is transition between pages the nativeView stays animated (e.g. when transition is Fade the hidden page nativeView stays with Alpha 0)
Disable recycling if there is native anitmation
* Fix failing tests on ios & android API17
Fix wrong urls in http tests
Made some timer tests async
* Animations are not stored in BackstackEntry instead of Fragment because fragments could die (activity die) and recreated and we lose animations.
* Fix android crash when activity is recreated.
Refactoring transitionListener.
* enable recycling of nativeView
* backgroundInternal is reset if setting new value leads to background.isEmpty() == true.
* android background.getDefault always return copy of the background. Now all controls that mutate the background can be reset to initial state (e.g. Button & ActionBar)
passing resources to copied background so it respect density.
fix properties initNativeView
* reset padding when backgroundInternal is reset.
* Fix text reset
Fix padding reset
* fix tsc errors
* fix ugly text rendering.
* Add unit tests for recycling native views
Fix several issues that came from the above tests
Fix maxLength property missing a converter callback
Remove old files
* Remove old files
* Revert backgroundInternal setter
* change the order of tests so that appium can work again
* Remove suggestion on every TextView & TextField init (strangely it is enabled after view is recycled....)
* Fix function to get parent layout if specified
* Button stateListAnimator restored when button is recycled
zIndex defaultValue is now undefined instead of NaN
* revert zIndex.setNative to always clear stateListAnimator because it was breaking one UI test (setting value=0 was returning the previous stateListAnimator)
* fix search-bar backgound-color recycling
* Fix alignments setters
* Fix imageView recycling
Fix button recycling
Fix edit-text recycling
resetNativeView is called only if recycleNativeView flag is true
* Fix incorrect merge
* Fix text-view & text-field textTransform
* Fix EditText text reset
* Fix runtime crash on ARM emulator API 21
* Fix text-base minHeight. maxHeight reset
Fix reset of isUserInteractionEnabled
* Fix action-bar systemIcon
Fix CSS applying
* refactoring
* fix console
* remove StyleScope import - it is private and cannot be imported in public .d.ts
* Fix formattedText implementation for iOS
Fix typeof undefined checks
Add slow tests message
Improve tests speed
* fix tslint
reduce transitions duration in test
* waitUntilReady will throw if timeout
fix tests that needs to wait without throwing
improve test speed
