A Plane-Geometry Android App (CLI-friendly)

A simple Android app built for educational purposes. It calculates the area and perimeter of basic 2D shapes — squares, rectangles, and triangles.

This project is designed to be built, run, and documented entirely from the command line — no Android Studio required.

Features

• ✍️ Simple UI defined in XML layouts
• ⚙️ CLI workflow for build, install, run, and screenshot capture via scripts
• 📸 Auto-screenshot source code using carbon-now-cli

Project Structure

Only the folders relevant to day-to-day work are shown below.

app/
├── src/
│ └── main/
│ ├── java/ # Source code (.kt / .java)
│ ├── res/ # Layouts, Drawables, etc.
│ └── AndroidManifest.xml
├── build.gradle # App-level Gradle file
gradle/
├── wrapper/ # Gradle wrapper
gradlew, gradlew\.bat # Wrapper scripts
build.gradle # Root-level Gradle
settings.gradle

CLI Workflow

Build APK

./gradlew assembleDebug

Install to emulator or device

adb install -r app/build/outputs/apk/debug/app-debug.apk

Run the app

adb shell monkey -p com.ubl.tugas_mp -c android.intent.category.LAUNCHER 1

Uninstall the app

adb uninstall com.ubl.tugas_mp

Capturing Code Screenshots

1. Install the CLI tool

npm install -g carbon-now-cli

2. Run the helper script

./generate_screenshots.sh

The script will:

• Copy all .java, .kt, and .xml files into screenshots/
• Generate syntax-highlighted PNG screenshots from the .kt and .java sources

Output structure

Once the script finishes, you’ll find:

screenshots/
├── com/ubl/tugas_mp/MainActivity.kt
├── com/ubl/tugas_mp/MainActivity.png
└── res/layout/activity_main.xml

Author

Field	Value
Name	Aris Jirat Kurniawan
Student ID	2311510438
University	Information Technology, Jakarta
Course	Mobile Programming

Next Steps

A few possible directions for this project:

• Add custom CLI commands like make run or make screenshot
• Wrap the workflow into a Makefile or shell alias helpers
• Generate a .zip or .tar.gz archive ready for submission