Formation pour débutants sur la création d’une application mobile Android.

How to Create an Android Mobile Application Using Java and XML

In this video, we will learn how to create a mobile application using Java programming language and XML. Don’t worry, even if you don’t know these two languages, you will still be able to follow the tutorial. So, let’s get started.

Section 1: Project Setup
First, we will create an application that collects different plant species using our mobile devices. To begin, we need to download the necessary resources, such as images and fonts from Once downloaded, we will proceed to download Android Studio, an Integrated Development Environment or IDE used by developers to create applications.

As with any software, Android Studio also has minimum system requirements. It is recommended to have a 64-bit Windows operating system and at least 4GB of RAM. Once, we have met the requirements, we can start the installation of Android Studio on our computer.

Section 2: Starting a New Project
After successfully installing Android Studio, we can now proceed to create a new project. First, we need to choose the default activity to use – in this case, we will choose a blank activity. We will then configure our project with a name, package id and project location. It is essential to select the minimum SDK to use, and in this case, we will use the Lollipop version (API 21).

Section 3: Understanding the Project Structure
Now, that the project is created, let us take a look at its structure. On the left side, we will see all the project files, which are arranged in a module. We can have one or more modules for an application.

Section 4: Designing the User Interface using XML
Next, we will design the user interface by creating a layout file using XML. It is in this file that we will assign colors, styles, icons, components, and other elements visible in the application. Android Studio provides the option to use a Design view or Code view – we will use the Design view to make it easier.

Section 5: Adding functionality to the Application using Java
Once, the user interface is created, we will add code that will make the application functional. To do this, we will write Java code that will communicate with the layout created in step 4. The Java code will contain instructions on what to do when buttons are clicked, when data is entered, or when information is received from an API.

Section 6: Testing the Application
The last step is to test the application on our mobile device or emulator. Android Studio has an emulator that simulates a mobile device where we can test the application without using an actual device. Once tested, we can make the necessary changes before deploying the application.

In conclusion, creating a mobile application using Java and XML using Android Studio is a process that can seem intimidating at first. However, with this tutorial, anyone can learn how to create an application that is functional and visually appealing. So, start developing and be excited about the many possibilities that creating mobile applications can bring.

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