Why Java for Android application development

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If you want to get started with application development, Google provides a Java API to get started and compiles your files into classes. Why did Android prefer Java for its development platform? There are multiple reasons such as; Java is a commonly used language and many programmers know it, it can run on a virtual machine (VM) so no need to recompile for different phones, better security, many development tools available for Java, and Java Course in Jaipur is a known industry language with most phones compatible with it.
                      
JAVA COURSE | PERFECT COMPUTER CLASSES

Though Google provides the Java API, Android does not use JVM to execute class files. Rather, it uses Dalvik Virtual Machine (DVM). The class files are compiled into Dalvik Executable (DEX) format, and bundled as Android Package (APK) along with other resources.
With Java, if you are aware of object-oriented programming principles, creating applications for android will be much simpler than iOS app development.

Pre-Requisites

Before you can begin Java programming for Android, you will need certain tools installed. Ensure that you download the Android SDK Bundle, which includes the Android SDK and Integrated Development Environment (IDE). After you download the bundle, unzip the contents and double-click the SDK Manager.exe file. Once the installation is complete, from the Start menu, start Eclipse IDE that was bundled with the SDK.

Developing an app using Java for Android

For expert level users of Java, programming for Android will not be difficult. Let us understand how one can go about developing an application using a step-by-step approach.
  1. Creating an Android project in the Eclipse IDE. Here you specify certain project options such as name of the project, what Android version the project will run on, app name, class name, package name and so on.
  2. Configure the project and select a launcher icon. This means you are providing workspace details and selecting the appropriate size of the launcher icon.
  3. Creating activities is a very important aspect of app development. This activity is nothing but different activities a user gets to do on-screen. After you are done with selecting the type of activities, the project is now open with relevant resource files for you to begin the actual Java for android coding.
The user experience elements and the look of your app is defined using the activity_main.xml file in the /res/layout folder from the package. In this file, you will modify the string attributes and add views for the app. You can also add radio buttons or text fields based on the app requirement and design. By right-clicking on the element you added, you can select properties and modify them based on your layout.

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