* Added textField, valueField and selectedValue properties
textField and valueField - should be used with arrays of JSON objects
textField - tells the listview which property should be used to display each item
valueField - tells the listview, which property should be used to update the selectedValue
selectedValue - is the property that will contain the selectedValue, if valueField is specified, then it will contain the value from that field, otherwise it will contain the whole selected item
* Example showing textField, valueField and selectedValue in action
* Update import paths
* fix(action-bar): #5743 navController may be null
From my own Crashlytics:
`stderr: file:///app/vendor.js:1:860568: JS ERROR TypeError: null is not an object (evaluating 'a.viewControllers')`
```
file:///app/vendor.js:1:860489
var l,p=a.viewControllers.indexOfObject(n);if(p>0&&p<a.viewControllers.count&&(t=a.viewControllers[p-1]),t)
```
which corresponds to:
2fc1d8a8d4/tns-core-modules/ui/action-bar/action-bar.ios.ts (L132)
further up `navController` is checked for truthiness:
2fc1d8a8d4/tns-core-modules/ui/action-bar/action-bar.ios.ts (L119)
So applying same logic.
* Adjusted per request
Adding android typings for API levels from 17 to 27
BREAKING CHANGES:
There is no longer added `I` prefix in the names of the interfaces. For example `android.view.IMenuItem` is now `android.view.MenuItem`. This matches the original name of the interface in the android framework.
* Fix typings for nativeValueChange
* Update properties.d.ts
Changed parameter name of nativeValueChange from “target” to “owner”
Fixed white space to match coding style
* Update properties.d.ts
Fixed white space
* fix: crash at application launch on Android P
Reference: https://developer.android.com/preview/restrictions-non-sdk-interfaces
Android P introduces new restrictions on the use of non-SDK interfaces, whether directly, via reflection, or via JNI. These restrictions are applied whenever an app references a non-SDK interface or attempts to obtain its handle using reflection or JNI.
In particular, remove reflection via Class.getDeclaredField() and fallback default transition to fade transition.
* refactor: create default transition based on SDK version
Create default transition and setup default animations based on SDK version.
This is to avoid reflection via Class.getDeclaredMethod() for Android P where it throws.
* refactor: extract isAndroidP method
* feat(view): introduce LayoutChanged event
* test(view): add LayoutChanged event tests
* chore(view-android): attach to onLayoutChange only if listener attached
* feat(view-android): override on/off in order to attach and detach from OnLayoutChangeListener
* feat(tabview): add tab text font size property
* chore(tabview): set tab font size default value
* chore(tabview): move font implementation to widget
* chore(tabview): fix font size get return type
* feat(ios): Added support for css gradients.
* feat(android): Added support for css gradients.
* fix: Fixed gradient borders on ios
* fix(gradient): added backgroundGradient to View and Style.
* fix(ios-gradients): fixed ios gradients covering view content.
* test(gradient): Added ui app tests for background gradients.
* test(gradient): Added a test ensuring background gradient property is applied to style.
* style(gradient): Fixed tslint errors.
* fix(gradient): Removed the background-gradient property and added the gradient to background-image.
* style: fixed a consecutive blank line tslint error.
* fix(tests): fixed the bug that was causing tests to fail.
* chore(linear-gradient): fix equality comparer
* test(gradient): add linear gradients test app
* chore(tslint): update with latest tslint rules
