What is Android v7?
v7 Support Libraries. Set of libraries which require Android 2.1 (API level 7) and higher. Requires also the v4 Support library. v7 appcompat library. Adds support for the Action Bar.
What is Appcompat?
AppCompat (aka ActionBarCompat) started out as a backport of the Android 4.0 ActionBar API for devices running on Gingerbread, providing a common API layer on top of the backported implementation and the framework implementation. AppCompat v21 delivers an API and feature-set that is up-to-date with Android 5.0.
What are support libraries in Android?
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.
What is the purpose of AppCompat library?
1 Answer. When new versions of android are published, Google will have to support the older versions of android. So AppCompat is a set of support libraries which can be used to make the apps developed with newer versions work with older versions.
Is Android v7 supported?
0 (released in July 2017), the minimum supported API level has changed to Android 4.0 (API level 14) for all support library packages. … For example, the support-v4 and the support-v7 package both support a minimum API level of 14, for releases of the Support Library from 26.0. 0 and higher.
What is the difference between Android and AndroidX?
AndroidX is a major improvement to the original Android Support Library. Like the Support Library, AndroidX ships separately from the Android OS and provides backwards-compatibility across Android releases. AndroidX fully replaces the Support Library by providing feature parity and new libraries.
What is Appcompat and AndroidX?
appcompat:appcompat. Official Description: The Support Library is a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren’t a part of the framework APIs. Compatible on devices running API 14 or later.
What is difference between activity and AppCompatActivity?
The differences between them are: Activity is the basic one. Based on Activity , FragmentActivity provides the ability to use Fragment . Based on FragmentActivity , AppCompatActivity provides features to ActionBar .
What is the use of AndroidX?
AndroidX is the open-source project that the Android team uses to develop, test, package, version and release libraries within Jetpack. AndroidX is a major improvement to the original Android Support Library.
Where is the library on my android phone?
You can find your History, Watch Later, Playlists, and other channel details in your Library. To find your Library, go to the bottom menu bar and select Library .
What is an API in android?
API = Application Programming Interface
An API is a set of programming instructions and standards for accessing a web tool or database. A software company releases its API to the public so other software developers can design products that are powered by its service. The API is usually packaged in an SDK.
What are android frameworks?
The android framework is the set of API’s that allow developers to quickly and easily write apps for android phones. It consists of tools for designing UIs like buttons, text fields, image panes, and system tools like intents (for starting other apps/activities or opening files), phone controls, media players, ect.