Créer une application mobile sur Android (Formation débutant)

Introduction

This tutorial will guide you through the process of creating a mobile application for Android using Kotlin and XML. Whether you're a beginner or looking to enhance your skills, this step-by-step guide will help you understand the essential components of Android app development.

Step 1: Install Prerequisites

Before starting development, ensure you have the necessary tools installed:

• Download Android Studio from the official website: Android Studio
• Install Kotlin and XML plugins if they are not included in the Android Studio setup.

Step 2: Add Resources to Your Project

• Download the project resources from the provided link: Download Resources
• Unzip the resources and add them to your Android project:
  • Place images in the res/drawable folder.
  • Add layout files in the res/layout folder.

Step 3: Create Your First Activity

• In Android Studio, create a new activity:
  • Go to File > New > Activity > Empty Activity.
  • Name your activity (e.g., MainActivity).
• Update the AndroidManifest.xml to declare your new activity.

Step 4: Set Up the Emulator

• Launch Android Virtual Device (AVD) Manager:
  • Go to Tools > AVD Manager.
  • Create a new virtual device.
• Choose a device model and system image, then finish the setup.

Step 5: Create a List

• Use a RecyclerView to display a list of items:
  • Add RecyclerView to your layout XML file.
  • Create a corresponding adapter class to bind data to the RecyclerView.
• Example code snippet for setting up a RecyclerView:

  val recyclerView = findViewById<RecyclerView>(R.id.recyclerView)
  recyclerView.layoutManager = LinearLayoutManager(this)
  recyclerView.adapter = MyAdapter(myDataList)
  

Step 6: Create a Custom Plant Class

• Define a data class for plant objects:

  data class Plant(val name: String, val description: String, val imageResource: Int)
  

Step 7: Set Up the Database

• Use Firebase for storing data:
  • Create a Firebase project and integrate it into your app.
  • Use Firestore or Realtime Database to store plant information.

Step 8: Display Plant Details

• Create a new activity to show details of a selected plant:
  • Pass data using Intent from the list activity to the details activity.
  • Update the layout to display the plant's image, name, and description.

Step 9: Create a Collection Page

• Design a layout to show the user's collection of plants.
• Use a RecyclerView to list the user's saved plants.

Step 10: Add Plant Feature

• Create an activity for adding new plants:
  • Include input fields for plant name, description, and image.
  • Implement functionality to save the new plant to the database.

Step 11: Implement Navigation Bar

• Use BottomNavigationView for easy navigation between different sections of your app:
  • Add it to your main layout XML file.
  • Set up listeners to switch between fragments or activities.

Step 12: Add an App Icon

• Design or choose an app icon.
• Add the icon to the res/mipmap directory and update the AndroidManifest.xml to use it.

Conclusion

Congratulations! You have built a basic Android application using Kotlin and XML. This tutorial covered installation, resource management, UI design, and database integration. As next steps, consider exploring additional features like user authentication, enhancing UI/UX, or publishing your app on the Google Play Store. Happy coding!