HKInfoway offers custom android application development services created by highly skilled android app developers to help your business grow.

1. Android App Development Services
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2. What is Android Development?
● Any application developed to be supported by the Android Operating
system using the android software development kit (sdk) on android
studio is the process of android development.
● The open-source operating system designed by Google especially for
mobiles is Android. Android OS has been developed using Linux Kernel.
● Because of the ability of easily modifiable (as its open source), most of the
android developers have used different GUIs even when all of them use
the same basic operating system.
● The open source code used for the development of android applications
is Android Open Source Project (AOSP).

3. What is Android Development?
● Any application for android system can be easily created by
installing the freely available SDK. These applications support any
device which is built in android OS and written In Java. These run on
Java Virtual Machines (JVM).
● With over 2 million monthly active users, Android has been the most
best-selling OS since 2011. Android comes with different versions of
it and each comes with new features; distinct from all the old ones.
The latest Android which hit the market is Android 13.

4. Android Application Architecture

5. Android Architecture for development:
● The Android architecture starts with the main user interface which
supports the front end of the android applications; these can include
applications such as calculator, clock, Email and alarm etc.
● The second layer of the android architecture is the android framework
which consists of the windows firewall, service providers and all the
various managers such as packages manager and activity manager etc.
● The third layer consists of the Libraries and Android runtime which
consists of SQL, SSL, SQLite and Lib-c etc. The lowest layer of an OS
system consists of the Kernel which has all the drivers such as Wi-Fi driver
and Bluetooth driver etc.

6. API Level:
● As android has different versions in the market each having
distinct features, the main asset behind it is the Application
Programming Interface (also known as API) Level which is the
specific API framework identifier.
● Different versions of Android have different features and
advancements.

7. Android Development Basics –Libraries:
The libraries are the basic tools for the development of the android applications. Some
of the libraries used in android development and their main features are:
● Android.app
● Android.content
● Android.database
● Android.opengl
● Android.os
● Android.text
● Android.view
● Android.widget
● Android.webkit

8. What is Android Application Framework:
The Android applications are created in the dedicated IDE Android Studio, using which any specific
resolution can be set for any version of android.
The front end high level services are provided by the Application framework – Java in the form of
classes. The basic activities in the android application framework is:
Activity Manager: This is the Java class included in the android application which interacts with all the
activities currently possessing the application interface and running on the program overhead.
Content Providers: The content provider class in Android works as to provide data to other classes of
the application. It works as the intermediary, on the requests which are controlled by the class name
Content Resolver.
It can also act as a data centralizer where it contains all the data and rest of the apps can access it from
there. The developer can perform the CRUD (create, read, update, delete) operations on the data
provided by content provider

9. What is Android Application Framework:
Resource Managers: It is a tool window which manages all the resources embedded with
the application being created. Giant drawables can be easily imported in the project via the
resource provider. The application logo which is named as mipmap in the application
settings is also a type of resource managed by the Resource Manager.
Notifications Managers: The titlebar of the android app is where the notification resides
and it can be easily altered by the notification manager. Notifications can be created via the
notification class which uses the notification manager class from the context.
View System. (Layouts): This basically is how the user interacts with the screen and views
the functions displayed. Objects in these are called widgets such as buttons, TextView and
ImageView etc. There are various layout types available such as Linear Layout and Constraint
Layout. These layouts can be declared either at time of creating the user interface (UI) in xml
or at runtime.

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