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Course Outline

Create Smart Apps

Building Offline-First Apps with Local Storage Training Course

Rating

9/10

Duration

4 Days

Course Overview

This course focuses on building offline-first mobile applications using local storage solutions in Flutter and React Native. Participants will learn how to implement SQLite, Hive, SharedPreferences, and AsyncStorage to enable offline data persistence. The training covers data synchronization, caching strategies, and best practices for handling offline functionality effectively. By the end of the course, participants will be able to build reliable and efficient offline-capable mobile applications.

Format of Training

  • Instructor-led sessions
  • Hands-on lab exercises
  • Interactive discussions
  • Practical coding demonstrations

Course Objectives

  1. Understand offline-first architecture and its benefits.
  2. Implement local data storage using SQLite, Hive, SharedPreferences, and AsyncStorage.
  3. Manage structured and unstructured data efficiently.
  4. Implement data synchronization strategies to sync offline data with a remote server.
  5. Use caching mechanisms to reduce API calls and improve performance.
  6. Handle conflict resolution and data merging when going online.
  7. Apply best practices for secure and efficient offline storage.

Prerequisites

  • Basic programming knowledge (JavaScript for React Native, Dart for Flutter).
  • Familiarity with Flutter and React Native fundamentals.
  • Familiarity with Flutter and React Native fundamentals.
Course Outline

Day 1: Introduction to Offline-First Development and Local Storage

Session 1: Understanding Offline-First Mobile Apps

  • What is offline-first architecture, and why is it important?
  • How mobile apps handle connectivity loss and background sync.
  • Comparison of local storage options in Flutter and React Native.

Session 2: Using SharedPreferences and AsyncStorage for Simple Data Storage

  • Introduction to SharedPreferences (Flutter) and AsyncStorage (React Native).
  • Storing and retrieving user preferences and small data sets.
  • Limitations and best practices for key-value storage.

Session 3: Implementing Hive for Lightweight NoSQL Storage

  • Understanding Hive as a key-value NoSQL database.
  • Storing structured data efficiently with Hive boxes.
  • Managing data persistence with encryption and lazy loading.

Day 2: Implementing SQLite for Structured Data Storage

Session 1: Introduction to SQLite for Flutter and React Native

  • Overview of SQLite and relational database storage.
  • Setting up sqflite (Flutter) and react-native-sqlite-storage (React Native).
  • Creating tables and defining database schemas.

Session 2: Performing CRUD Operations in SQLite

  • Writing queries for inserting, updating, deleting, and retrieving data.
  • Using prepared statements and transactions for data integrity.
  • Managing large datasets efficiently with SQLite.

Session 3: Optimizing SQLite Performance and Data Handling

  • Indexing and optimizing query performance.
  • Handling complex relationships and joins in SQLite.
  • Preventing database corruption and managing migrations.

Day 3: Advanced Offline Strategies and Data Synchronization

Session 1: Implementing Offline Caching Mechanisms

  • Using SQLite, Hive, and SharedPreferences together for different use cases.
  • Implementing image and file caching in offline mode.
  • Handling background data fetching and caching strategies.

Session 2: Syncing Offline Data with Remote APIs

  • Managing real-time and background synchronization.
  • Using Firebase Firestore and local persistence.
  • Implementing conflict resolution strategies when syncing data.

Session 3: Securing Offline Data and Handling Edge Cases

  • Encrypting local storage using AES encryption.
  • Handling data consistency across multiple devices.
  • Preventing data corruption during synchronization.

Day 4: Hands-On Project and Best Practices

Session 1: Building an Offline-First Mobile App

  • Implementing a note-taking app with SQLite, Hive, and SharedPreferences.
  • Syncing data with a remote REST API when online.
  • Debugging storage issues and optimizing performance.

Session 2: Testing and Debugging Local Storage Implementation

  • Using database inspection tools for debugging SQLite.
  • Testing offline features using real device simulations.
  • Handling database migrations and schema updates.

Session 3: Best Practices for Building Offline-First Mobile Apps

  • Structuring offline storage for performance and scalability.
  • Ensuring data security and compliance with privacy regulations.
  • Final Q&A and discussion on real-world offline storage challenges.

Bespoke Option

We are open to customizing this program to align with your specific learning objectives. If your team has particular goals or areas they wish to focus on, we would be happy to tailor the course outline to meet those needs and ensure the program supports the achievement of your desired outcomes.

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Building Offline-First Apps with Local Storage Training Course

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Building Offline-First Apps with Local Storage Training Course

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