How to build your first full-stack Android app

How to build your first full-stack Android app


Now that the Android Software Development Kit, or SDK, has all the capabilities and functionality made accessible by Google, developing native Android apps is more straightforward.

We can assist if this is your first time trying to make an Android app development Sydney and you need help developing your first full-stack Android app.

This tutorial will walk you through creating a straightforward Android application while introducing you to critical Android-specific ideas like event handlers, layouts, and activities.

Components of Android apps

The architecture of Android is clearly defined and modular. It divides an app into many parts. The Android ecosystem establishes several different component categories.


The main interactions in the app are represented by its actions. A UI screen is connected to one training. Android app development in Sydney is simply a collection of activities associated with user-initiated navigation to deliver the app’s many features.


Background processes that help the program run more smoothly include services. They could also be active when the user engages with another app or when the app is dismissed.

Receivers of broadcasts:

Receivers of broadcasts function similarly to mobile phone notifications. The phone may produce these internally, such as an alarm start or a low battery warning.

Content Providers: The data repositories that house the app’s data are known as content providers. These can be database resources, filesystem resources, or any other kind of persistent storage that the phone hardware offers.

What to do first

Knowing Java or Kotlin is one of the requirements for becoming an Android developer. These two programming languages are used to create Android applications.

Wireframing software like Pencil may be used to design the whole app layout, but since this is your first project, let’s keep things straightforward. You may quickly sketch out the app’s workflow in a notebook to get started right away.

It’s crucial to plan the app’s layout since it determines where each component will go.

Before you start developing apps, you must complete the following two stages.

  1. Install and configure Android Studio’s most recent version.
  2. Android Marshmallow or newer on a device or emulator


The items shown on the screen are the front-end elements of an Android app. The frontend of an application is created by an Android developer by:

  1. Developing a Task
  2. Laying Out a Design

An activity is one of the most crucial elements in creating an Android app. The first step in giving app users a user interface is to create an action. There may be one or more activities in an Android app. An email client app, for instance, typically contains three efforts: first, users sign up. Second, they log in, and third, they compose an email.

For your project, you should build an activity.

Right-click on your app in Android Studio’s Project window.

Make the New > Activity > Empty Activity selection.

Remember to check the Launcher Activity and hit Finish after naming the activity MainActivity.

Users may access the activity by utilizing the Android launcher with Launcher Activity.

There is at least one layout connected to each app activity. The Android Studio automatically creates an open structure for a movement when you build it in the previous stage. A markup file called activity main.xml will be produced for the abovementioned activity. Write the code.


Being a full-stack developer, you know the differences between frontend and backend development. Users can see the frontend components, buttons, and clock in the Android App interface above. The buttons’ functionality, such as when users press “Time In India” or “Time in Germany,” is not active.

The backend process, often Java, handles the navigation between two layouts in Android app development.

By creating a file in Android Studio, we create event handlers for the two buttons. Present the code in this file.

Restarting the app requires pressing Shift-F10. Now, pressing buttons must result in the intended outcomes.

posting the application to the Google Play Store

Ensure the app conforms with all Google’s Play Policies before launching it on the Play Store.

For a one-time $25 membership charge, you must create a Google Play Developer Account to access the Google Play Console.

You may upload your Android app via the Console, which allows you to upload your Android app as an. Aab file (Android App Bundle)


To create your first full-stack app, you can be a familiar Android developer. To build an Android app development Sydney from scratch, this instruction will be helpful as you get more experience.

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