Single Screen Restaurant Android App

Android Nanodegree - Project: Build a Single Screen App

A single-screen Android app showcasing Lisa's Italian Restaurant, featuring authentic Italian cuisine in Dublin, CA.

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🏷️ Keywords & Topics

Primary Keywords: Android Development • Mobile App • Restaurant App • Single Screen Design • User Interface
Technical Stack: Java • Android Studio • XML Layouts • Material Design • ScrollView • Intent Actions • AndroidX Libraries
Business Focus: Restaurant Branding • Customer Engagement • Contact Integration • Local Business • Food Service
Industry: Food & Beverage • Restaurant Technology • Mobile Applications • Local Business • Hospitality
Project Type: Mobile Application Development | Industry: Restaurant & Food Service | Focus: Customer Experience & Business Showcase

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📁 File Structure

├── app/src/main/
│   ├── java/com/example/lisasitalianrestaurant/
│   │   └── MainActivity.java              # Main activity - handles UI and system insets
│   ├── res/
│   │   ├── drawable/                      # Images and icons
│   │   ├── layout/                        # UI layouts (activity_main.xml)
│   │   └── values/                        # Colors, strings, styles, dimensions
│   └── AndroidManifest.xml
├── app/src/test/java/com/example/lisasitalianrestaurant/
│   └── MainActivityTest.java              # Unit tests for MainActivity
├── app/src/androidTest/java/com/example/lisasitalianrestaurant/
│   └── MainActivityInstrumentedTest.java  # UI instrumented tests
├── gradle/                                # Gradle wrapper
├── screenshots/                           # App screenshots
├── build.gradle                           # Project build config
├── settings.gradle
├── .gitignore
├── README.md
└── LICENSE                                # License information

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🎯 Project Overview

This is an upgraded version of the original single-screen Android application, enhanced with modern Android development practices and updated dependencies. The app showcases "Lisa's Italian Restaurant" with improved UI/UX and follows current Android development standards.

Key Improvements in This Version:

• Updated to Android SDK 36 (Android 15) with minimum SDK 28
• Java 17 toolchain for better performance and modern language features
• Latest AndroidX libraries including Material Design Components 1.13.0
• Enhanced ScrollView layout for better content organization
• Improved resource management with proper color schemes and dimensions
• Better accessibility support with comprehensive content descriptions
• Modern Gradle build system (8.5.2) with optimized configurations

The application serves as a digital business card, providing customers with easy access to important information while demonstrating modern Android development concepts such as:

• Responsive ScrollView layout design
• Intent handling for phone calls, emails, and maps
• Resource management and string externalization
• Material Design 3 components and theming
• Modern build configurations and dependency management
• Accessibility-first design principles

Note: This project demonstrates both fundamental and modern Android development practices, suitable for learning current industry standards.

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🚀 Getting Started

Prerequisites

• Android Studio (Flamingo or later recommended)
• Java Development Kit (JDK) 17 or higher
• Android SDK with API level 28+ (Android 9.0)
• Gradle 8.5+ (included with Android Studio)

Installation & Setup

1. Clone the repository

   git clone https://github.com/sandesha21/single-screen-app_google_android_development.git
   cd single-screen-app_google_android_development

2. Open in Android Studio

   • Launch Android Studio
   • Select "Open an existing project"
   • Navigate to the cloned directory and select it

3. Build the project

   • Android Studio will automatically sync Gradle dependencies
   • Wait for the build to complete

4. Run the app

   • Connect an Android device or start an emulator
   • Click the "Run" button or press Shift + F10

Project Structure

The project follows standard Android architecture with clean separation of concerns and proper resource organization.

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App Features

Business Information:

• Restaurant name and branding
• Multiple Italian food images
• Complete contact information
• Business description and hours

Interactive Elements:

• Clickable phone number for direct calling
• Tappable email address for quick contact
• Interactive address for map navigation
• Website link for online presence

Technical Implementation:

• Responsive ScrollView layout with RelativeLayout
• Material Design 3 theming with custom Italian color palette
• Modern AndroidX libraries and components
• Accessibility support with comprehensive content descriptions
• Externalized string resources for internationalization support
• Optimized for Android 9.0+ with target SDK 36
• Java 17 toolchain for enhanced performance

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Business Details (sample)

Lisa's Italian Restaurant is a local establishment located in Dublin, CA, offering authentic Italian cuisine with a focus on family dining and special occasions.

• Name: Lisa's Italian Restaurant
• Location: 104 Grafton St, Dublin, CA 94568
• Phone: 510-111-1111
• Email: info@lisasRestaurant.com
• Website: www.lisasrestaurant.com
• Hours: Everyday from 11AM-10PM
• Specialty: Authentic Italian food with party reservations

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📱 Screenshots

Main screen showcasing restaurant information and interactive elements

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🛠️ Technical Specifications

• Minimum SDK: 28 (Android 9.0)
• Target SDK: 36 (Android 15)
• Compile SDK: 36
• Java Version: 17
• Gradle Version: 8.5.2
• Build Tools: Android Gradle Plugin 8.5.2

Key Dependencies:

• AndroidX AppCompat 1.7.1
• Material Design Components 1.13.0
• ConstraintLayout 2.2.1
• AndroidX Preference 1.2.1
• AndroidX Core 1.15.0
• JUnit 4.13.2 (Unit Testing)
• AndroidX Test Runner 1.7.0 (Instrumented Testing)
• Espresso 3.7.0 (UI Testing)

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🧪 Testing

This project includes unit and instrumented tests for quality assurance.

Running Tests

Unit Tests (run locally on your machine):

./gradlew testDebugUnitTest

Instrumented Tests (run on Android emulator or device):

./gradlew connectedAndroidTest

Test Coverage

• MainActivityTest: Verifies MainActivity class structure and inheritance
• MainActivityInstrumentedTest: Tests UI elements and layout rendering

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✅ Business name and branding
✅ Multiple high-quality business photos
✅ Complete contact information (phone, email, website)
✅ Compelling business description
✅ Hours of operation
✅ Modern Android development practices
✅ Accessibility compliance
✅ Material Design 3 implementation
✅ Responsive layout design

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� Upgrade from Original Version

This project is an enhanced version of the original single-screen app with significant improvements:

What's New:

• Modern Android SDK: Upgraded from API 21+ to API 28+ (minimum) and API 36 (target)
• Java 17: Updated from Java 8 for better performance and modern language features
• Latest Dependencies: All AndroidX libraries updated to latest stable versions
• Enhanced UI: Improved layout with better resource organization and color schemes
• Better Accessibility: Comprehensive content descriptions and accessibility support
• Modern Build System: Updated Gradle and build tools for faster builds
• Improved Resource Management: Better organized colors, dimensions, and string resources

Migration Benefits:

• Future-proof codebase compatible with latest Android versions
• Better performance and security with modern dependencies
• Enhanced user experience with Material Design 3 components
• Improved maintainability and code organization

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👨‍💻 Author

Sandesh S. Badwaik

• Google Android Nanodegree Graduate
• Mobile App Developer
• Applied Data Scientist & Machine Learning Engineer
• Passionate about creating intuitive user experiences

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