Build Your First Android App
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This document is a tutorial for creating a new Android mobile application using Android Studio, detailing steps from starting a project to running the app. Users are instructed to configure their project settings, including naming and package details, and are introduced to essential files like the main activity and layout XML. Finally, the tutorial guides users on how to run their app in the Android Studio emulator, displaying a simple 'hello, world!' message.
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Build Your First Android App
- 1. Build your first app ANDROID MOBILE APPLICATION TRAINING VIDEO - 1 Copyright © 2020 Transpose Solutions. All Rights Reserved.
- 2. OVERVIEW In this tutorial, we will learn how to create a new android project, configure and run the app. Copyright © 2020 Transpose Solutions. All Rights Reserved.
- 3. SYSTEM REQUIRMENT If you have not installed Android Studio, please visit: https://developer.android.com/studio to install Android Studio: Copyright © 2020 Transpose Solutions. All Rights Reserved.
- 4. START A NEW ANDROID STUDIO PROJECT From your task bar/start menu, click open “Android Studio” In the Welcome to Android Studio window: Click Start a new Android Studio project. In the Select a Project Template window: Select Empty Activity and click Next. Copyright © 2020 Transpose Solutions. All Rights Reserved.
- 5. CONFIGURE YOUR PROJECT In the Configure your project window, complete the following Enter "My Mobile App" in the Name field. Enter "com.transposesolutions.mymobileapp" in the Package name field. If you'd like to place the project in a different folder, change its Save location. Select either Java or Kotlin from the Language drop-down menu. Select the lowest version of Android your app will support in the Minimum SDK field. If your app will require legacy library support, mark the Use legacy android.support libraries checkbox. Leave the other options as they are. Click Finish. Copyright © 2020 Transpose Solutions. All Rights Reserved.
- 6. Copyright © 2020 Transpose Solutions. All Rights Reserved.
- 7. REVIEW YOUR PROJECT DIRECTORY Android studio main window appears after some processing with the following files: app > java > com.transposesolutions.mymobileapp > MainActivity. This is the main activity. It's the entry point for your app. When you build and run your app, the system launches an instance of this Activity and loads its layout. app > res > layout > activity_main.xml This XML file defines the layout for the activity's user interface (UI). It contains a TextView element with the text "Hello, World!" app > manifests > AndroidManifest.xml The manifest file describes the fundamental characteristics of the app and defines each of its components. Gradle Scripts > build.gradle There are two files with this name: one for the project, "Project: My Mobile App," and one for the app module, "Module: app.“ Use each module's build.file to control how the Gradle plugin builds your app. Copyright © 2020 Transpose Solutions. All Rights Reserved.
- 8. RUN YOUR APP Use Android studio emulator to run your app: In Android Studio, create an Android Virtual Device (AVD) that the emulator can use to install and run your app. In the toolbar, select your app from the run/debug configurations drop-down menu. From the target device drop-down menu, select the AVD that you want to run your app on. Click Run Android Studio installs the app on the AVD and starts the emulator. You now see "Hello, World!" displayed in the app. Copyright © 2020 Transpose Solutions. All Rights Reserved.
- 9. Thank you for watching the video! Try our next training video - 2 to learn - how to create new layout. Copyright © 2020 Transpose Solutions. All Rights Reserved.