# kaayf-note

**Repository Path**: kaayf/kaayf-note

## Basic Information

- **Project Name**: kaayf-note
- **Description**: Kaayf Note Memo Android Native Application
- **Primary Language**: Java
- **License**: GPL-3.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2025-09-29
- **Last Updated**: 2025-10-06

## Categories & Tags

**Categories**: Uncategorized

**Tags**: Android, Java, Sqlite, XML, APP

## README

# Kaayf Note

`Abdusami` `abdusami.dev@aliyun.com`

<img src="./docs/images/kaayf.png" title="" alt="" data-align="center">

A minimalist native Android note-taking application built with simplicity and clean design in mind. This project serves as an educational demonstration of fundamental Android development concepts.

![](./docs/images/ui-proto.png)

## 📱 Overview

Kaayf Note is a lightweight note-taking app that focuses on core functionality with an elegant, minimalistic interface. The project is designed to reinforce classroom learning and showcase basic Android development principles through practical implementation.

## ✨ Features

### 🔐 User Authentication

- Simple login system with default credentials
- Default password: `123123`
- Username: Any input under 10 characters
- Automatic redirection to login page on first launch

### 📝 Note Management

- **Home Screen**: Display all notes in a clean list interface
- **Note Creation**: Create new notes with custom titles and cover images
- **Note Deletion**: Remove unwanted notes with intuitive UI
- **Note Editing**: Full-featured text editor with real-time word count

### 🎨 Design Philosophy

- Minimalist and clean user interface
- Intuitive navigation and user experience
- Consistent design language throughout the app

## 🛠 Technical Implementation

### Android Concepts Demonstrated

#### 🎯 Core Components

- **Activities & Layouts**: Multiple activities with linear layouts
- **Intent Handling**: Both explicit and implicit intents for navigation
- **UI/UX**: Custom styles and themes for consistent branding
- **Internationalization**: Multi-language support implementation

#### 💾 Data Management

- **SQLite Database**: Local storage for note information including:
  - Note titles
  - Cover image paths
  - Creation timestamps
  - Text content
- **SharedPreferences**: User preferences and session management
- **File Storage**: Local file system for image storage

#### 🔒 System Integration

- **Runtime Permissions**: Dynamic permission requests for storage access
- **Resource Management**: Efficient handling of app resources

## 🚀 Getting Started

### Prerequisites

- Android Studio (latest version recommended)
- Android SDK API 21+
- Java 8 or higher

### Installation

1. Clone or download the project repository
2. Open the project in Android Studio
3. Build the project (Build → Make Project)
4. Run on an emulator or physical device

### Default Login Credentials

- **Username**: Any value (max 10 characters)
- **Password**: `123123`

## 🎓 Educational Purpose

This project is specifically designed for:

- **Android Development Students**: Practical implementation of core concepts
- **Beginner Developers**: Clean, readable code structure
- **Classroom Demonstrations**: Comprehensive coverage of fundamental topics
- **Portfolio Projects**: Showcase of basic to intermediate Android skills

## 🔧 Key Learning Areas

- Activity lifecycle management
- SQLite database operations
- User interface design with XML
- Data persistence techniques
- Permission handling in modern Android
- Multi-activity navigation patterns
- Resource and asset management

## 📸 App Flow

1. **Launch** → Login Screen
2. **Authentication** → Home Screen (Note List)
3. **Create Note** → Note Creation Screen
4. **Edit Note** → Text Editor Screen
5. **Save/Exit** → Return to Home Screen

## 🤝 Contributing

As an educational project, contributions that improve code clarity or add learning value are welcome. Please ensure any changes maintain the project's educational focus.

## 📄 License

This project is open for educational purposes. Feel free to use and modify for learning Android development.

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**Note**: This application is developed for educational demonstration and may not include all production-level features or security measures found in commercial applications.