Android is a Linux-based mobile operating system. Today, more than 2 billion people are utilizing android devices and more than 2.8 million of Android applications are accessible in the market. The Android applications that we use today have changed the way we communicate or interface with the entire world simply sitting at one spot. The Android application developer jobs has turned out to be more necessary, enriching and fulfilling to this modern global economy. It wouldn’t be wrong if you think Android app development is one of the coolest jobs right now.
Necessary Tools for Android App Development
The Android application can be developed on various operating systems like Windows, Mac or Linux. Below is a list of the tools you need to develop an Android application:
Java Development Kit
Java Development Kit (JDK) is a collection of tools for example, Java Virtual Machine (JVM) and Java Runtime Environment (JRE) that were required to compose, aggregate and run any applications written in the Java programming language. Java is the essential building block of Android app development. To build any Android application, you should have good knowledge of Java and its key features.
Android Studio IntelliJ is the official integrated development environment (IDE) for Android app development based on IDEA. This IDE provides more exciting features that helps in increasing productivity when creating apps. This official IDE is available at https://developer.android.com/studio/index.html, which does not include any cost to build applications on all types of Android devices with different screen sizes and resolutions.
Read also : 4 Major Android Application Components
Terminologies Related to Android
XML : In Android, XML is used to design an application's UI such as layouts, views, buttons, text fields, etc. and also in data feeding from the Internet.
View : A view is a UI that captures the rectangular area on the screen to drag and handle user events.
Layout : Layout is the parent of view. It arranges all the views in a proper manner on the screen.
Activity : An activity can be referred to as your device’s screen which you see. Users can put UI elements in any order in the created window of the user's choice.
Emulator : An emulator is an Android virtual device. Through this virtual device, you can select the target Android version or platform to run and test the developed application.
Manifest file : Manifest file contains all the essential information about the application like app icon, app name, launcher activity, and required permissions etc.
Service : Services are application components that can be used for long running background processes. Because there is no UI, there is no limit on activities. Other application components can start the service, and the service will continue to run even if the user switches from one application to another.
Broadcast Receiver : Broadcast receiver is another building block of Android application development that allows you to register for system and app events. It works in such a way that, when the event triggers for the first time all the registered receivers through this broadcast receiver will get notified for all the events by Android Runtime. To learn more about the broadcast receiver, kindly refer the Android Basic Building Blocks.
Content Providers are used to share data between two applications. This can be implemented in two ways:
- When you want to apply an existing content provider to another application.
- When you want to create a new content provider that can share your data with other apps
Intent is a messaging object which can be used to communicate between two or more components like activities, services, broadcast receiver etc. Intent can also be used to start an activity or service or to deliver a broadcast message.
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