Find all needed information about Android Support Library Getactionview. Below you can see links where you can find everything you want to know about Android Support Library Getactionview.
https://stackoverflow.com/questions/18438890/menuitemcompat-getactionview-always-returns-null
MenuItemCompat.getActionView always returns null. Ask Question ... You need to use your own namespace when using ActionBarActivity as it is a part of support library. Since you're using android:showAsAction in your xml it works with Activity (which is not from support library) ...
https://developer.android.com/training/appbar/action-views
The Android support libraries provide several specialized action view and action provider widgets. For example, the SearchView widget implements an action view for entering search queries, and the ShareActionProvider widget implements an action provider for sharing information with other apps. You can also define your own action views and action providers.
https://developer.android.com/reference/android/support/v4/view/MenuItemCompat
This package is part of the Android support library which is no longer maintained. The support library has been superseded by AndroidX which is part of Jetpack.We recommend using the AndroidX libraries in all new projects. You should also …boolean: equals(Object arg0)
https://www.tutorialspoint.com/android/android_support_library.htm
The Android Support Library package is a set of code libraries that provide backward-compatible versions of Android framework APIs as well as features that are only available through the library APIs. Each Support Library is backward-compatible to a specific Android API level.
https://developer.android.com/topic/libraries/support-library/revisions
Fragment can use support library versions of Transition for fragment transitions, including shared-element transitions. Content paging library (android.support.content.ContentPager) provides support for paging content exposed via a ContentProvider. Use of this library allows a client to avoid expensive interprocess "cursor window swaps" on the UI thread, providing a compatibility library for the Android …
https://github.com/codepath/android_guides/wiki/Design-Support-Library
Overview At their I/O 2015 conference, Google announced a new design support library, which helps bring a lot of material design components including a navigation drawer view, floating labels, floating action buttons, snackbars, and a new framework to tie motion and scroll events. The library is supported for Android version 2.3 and higher.
https://support.google.com/android/?hl=en
Official Android Help Center where you can find tips and tutorials on using Android and other answers to frequently asked questions.
https://stuff.mit.edu/afs/sipb/project/android/docs/tools/extras/support-library.html
The Support Package includes static "support libraries" that you can add to your Android application in order to use APIs that are either not available for older platform versions or that offer "utility" APIs that aren't a part of the framework APIs.
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