android-jstudio

A Claude skill for creating and structuring Android projects with JStudio — the Android IDE that runs directly on your Android device.

name: jstudio description: > Guide for creating, configuring, and structuring Android projects with JStudio — an Android IDE that runs directly on an Android device. Use this skill whenever the user mentions JStudio, creating an Android project on mobile, Android project structure, or asks for help with MainActivity, AndroidManifest, build.gradle.kts, or Android templates in JStudio. Also triggers for any question about Kotlin DSL, res/, layout/, or values/ folders in a JStudio project context.

JStudio — Android Development on Android

JStudio lets you create and edit Android projects directly from an Android device, with a project structure identical to Android Studio.

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Creating a New Project

Main menu → + New → Android → Project

Available Templates

Template	Recommended Use
Empty Activity	✅ Best choice for beginners
No Activity	Project with no UI
Basic Views Activity	UI with AppBar and FAB
Bottom Navigation Views Activity	Bottom tab navigation
Empty Views Activity	Simple empty view
Navigation Drawer Views Activity	Side drawer menu
Responsive Views Activity	Multi-screen adaptive layout

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Project Configuration

Field	Description
Name	Application name
Package	Unique identifier (e.g. com.yourname.yourapp)
Location	Project creation folder
Language	Kotlin (recommended) or Java
Minimum SDK	Minimum supported Android version
Build Configuration Language	Kotlin DSL .kts (recommended) or Groovy DSL

✅ Modern Best Practices

• Language: Kotlin
• Build config: Kotlin DSL (build.gradle.kts)

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Generated Project Structure

ProjectName/
├── app/
│   ├── src/
│   │   ├── main/
│   │   │   ├── java/package/name/
│   │   │   │   └── MainActivity.kt          ← app entry point
│   │   │   ├── res/
│   │   │   │   ├── drawable/
│   │   │   │   ├── layout/
│   │   │   │   │   └── activity_main.xml    ← UI layout
│   │   │   │   ├── mipmap/                  ← app icons
│   │   │   │   ├── values/                  ← strings, colors, themes
│   │   │   │   └── values-night/            ← dark theme
│   │   │   └── AndroidManifest.xml          ← global config
│   │   ├── androidTest/
│   │   └── test/
│   ├── build.gradle.kts                     ← module dependencies
│   └── proguard-rules.pro
├── build.gradle.kts                         ← root Gradle config
├── gradle.properties
├── settings.gradle.kts
└── gradlew / gradlew.bat

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Key Files

MainActivity.kt

app/src/main/java/package/name/MainActivity.kt

The app's entry point. First file to edit when adding logic.

activity_main.xml

app/src/main/res/layout/activity_main.xml

The UI layout for the main activity. Defines visual components: TextView, Button, ImageView, RecyclerView, etc.

AndroidManifest.xml

app/src/main/AndroidManifest.xml

Global app configuration:

• Activity declarations
• Permissions (Internet, Camera, etc.)
• App metadata

res/values/

• strings.xml — all app text
• colors.xml — color palette
• themes.xml — themes and styles

build.gradle.kts (app module)

Used to add dependencies (external libraries).

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Next Steps After Project Creation

1. Edit the UI → res/layout/activity_main.xml
2. Add logic → MainActivity.kt
3. Add libraries → app/build.gradle.kts
4. Build and test → generate an APK from JStudio

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Upcoming Guides

• Adding a new Activity
• Installing Android libraries
• Using AI to generate Android code
• Building and exporting an APK from JStudio