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The design and implementation of Android applications require an in-depth knowledge of programming. Often, it's helpful to break down a new technology when you encounter it for the first time. In general, Android app development will be quite similar to what you already know as a web developer - although you'll need to learn a number of more nuanced concepts to build mobile apps. In the case of smartphones, developers need to keep their code flexible so that it can adapt to different user interface scenarios. Smaller screens, simpler processors, and many different manufacturers make Android an especially challenging platform. To become an Android developer, what do you need to know? This is what some of the brightest developers told us: 1. JAVA Java is the primary programming language used to develop Android apps. Learning the Java programming language for the first time can be challenging for some programmers who are more familiar with languages like JavaScript or Ruby. It has the same object-oriented architecture as JavaScript and Ruby, but it is more precise in handling data types. Developing mobile applications can be more challenging than conventional apps, as developers need to carefully decide what types of data they are going to work with and how much memory they will use. 2. XML UNDERSTANDING In order to encode data for mobile applications, the XML encoding standard was created. There are many similarities between XML and HTML – they both use angled brackets, the opening, and closing elements, as well as deep nesting. Essentially, it allows for consistent communication between devices. Layouts serve as the foundational UI definition of Android applications and are created using XML in the Android world. As with web developers who use JavaScript to change elements in their websites at runtime, Android developers can also write Java code to modify layout elements once the Android app is running. For Android developers, mastering XML basics is crucial. 3. ANDROID SDK Though SDK conjures up images of spy tools packaged in a briefcase, it is actually a set of prepackaged code. The Android SDKs give developers access to the camera and accelerometer of mobile devices by providing Java modules. An important element of the Android SDK is Gradle, a library that enables developers to develop applications. Imagine you want to integrate your app with a social media site such as Facebook. Then, when your application compiles, you'll tell Gradle that you're using the code library (or SDK) Facebook provides so your code stays organized when compiling. The new Android developer must learn how to put together an Android application using the different SDKs for Android. 4. ANDROID STUDIO Developers of Android applications use Android Studio as their integrated development environment (IDE). Built on top of IntelliJ's well-known IDE, Android Studio has terrific built-in support for most major Android SDKs out of the box. Additionally, Android Studio includes many of the feature’s developers expect from a complete IDE. Auto-complete helps you complete your code as you type. A code debugger allows you to identify where errors are occurring in your code. 5. APIS If you are developing an Android application, you'll probably want to use multiple services. A third-party service may provide you with a calendar, or you may want your users to be able to monitor stock prices. A good Android app developing company will offer APIs and will let you know how to query the data in a secure and consistent manner. Google allows you to communicate with an API that already exists, but it also makes it easy for you to connect to its own APIs via your Android application. 6. DATABASES The majority of data stored by your app probably won't be stored on your device at any time. Instead of interacting with your phone's database, your app will be related to an external database. Data storage in the cloud can be made convenient by using cloud services such as Firebase or Parse. Java libraries are available on these platforms as well, so you can easily cache some data in your app. If you want to enable offline use of the app, this synchronization between local storage and the remote database is essential. Conclusion: If you are in an Android app development project that users find useful, good execution will only be effective. You should write down your hypothesis before starting to build any mobile application - who is it going to serve and what are its goals? All need to be considered.
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September 2021
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