2. Learning Outcomes
1. Define mobile application development architecture
2. Identify mobile development frameworks
3. Mobile Application Development
Architecture
• Mobile application development architecture is the structural
foundation that guides the design, development, and deployment
of mobile applications.
• It involves a set of patterns and practices to build apps that meet
functional and performance requirements while maintaining
scalability, maintainability, and adaptability.
• The architecture is typically categorized into several layers and
approaches, including the following:
4. Presentation Layer
• This is the front-end or user interface layer, which users directly interact with. It includes
screens, buttons, and animations.
Business Logic Layer (BLL)
• Also known as the "domain layer," this contains all the business rules and logic that
govern the application’s functionality.
• This layer manages data processing, app workflow, and decision-making processes.
Data Access Layer (DAL)
• This layer handles data storage, retrieval, and manipulation. It typically interacts with
databases, cloud services, or external data sources.
Backend Services Layer
• Backend services are external components that mobile apps rely on for essential
functions such as data storage, authentication, and analytics.
• These services are hosted on servers and communicate with the app via APIs.
• Examples of backend services include cloud storage (e.g., Firebase, AWS),
authentication (e.g., OAuth), and push notification services.
5. • Mobile Development frameworks are software
frameworks that provide developers with pre-
built tools, libraries and best practices for
creating mobile applications more efficiently and
effectively.
• They provide a foundation of pre- written code
and tools that simplify the development process.
• Popular frameworks include React Native,
Flutter, and Xamarin, each offering unique
features tailored to different development
• needs.
Understanding
Mobile
Frameworks
6. Mobile development frameworks like Flutter and React Native
enable developers to build high-quality, cross-platform mobile
applications using a single codebase.
1. Flutter
Developed By: Google
Programming Language: Dart
UI Approach: Flutter uses its own widgets to create UI elements,
which means it doesn’t rely on platform-native components but
instead provides a unified UI structure across platforms.
Rendering Engine: Flutter’s rendering engine, Skia, allows it to
render directly on both Android and iOS.
7. Pros:
1. Consistent UI across platforms.
2. High-performance graphics and animations.
3. Rich libraries and a strong ecosystem, particularly for
custom UI.
Cons:
4. Larger app size compared to some other frameworks.
5. Limited libraries for some platform-specific features,
though this is improving.
8. Applications
Ideal for apps with
1. heavy custom UI requirements,
2. high-performance graphics,
3. animations, and complex visual designs.
Examples include
• fintech, media, and ecommerce applications,
where consistent user experience across
platforms is critical.
9. 2. React Native
Developed By: Meta (Facebook)
Programming Language: JavaScript (or TypeScript)
UI Approach: React Native relies on native components for UI, providing a more
"native" look and feel, as it bridges JavaScript code to native UI elements.
Pros:
1. Native feel and performance, especially for simpler UIs.
2. Strong community support and vast libraries due to its JavaScript foundation.
3. Easy to integrate with existing native apps, which is beneficial for hybrid
development.
Cons:
4. Can be less performing than Flutter for intensive graphics or complex UIs.
5. Requires third-party modules for certain platform-specific functionalities.
10. Applications:
1. Best suited for apps that require high
interactivity with platform-native components
or have simple UI needs.
2. Ideal for social media, eCommerce, and
productivity apps where user experience
benefits from native components.
11. Different frameworks cater to various
development styles and requirements.
For instance, React Native focuses on
performance and native feel, while
Flutter emphasizes a rich UI
experience. Understanding these key
differences helps developers choose
the right framework for their projects.
Key Differences
Among
Frameworks
12. While mobile frameworks
streamline development, they
also present challenges such
as performance issues,
compatibility, and learning
curves. Developers must
navigate these challenges to
ensure smooth user
experiences and app
functionality across different
devices and platforms.
Challenges in Mobile
Development
14. Conclusion and Future
Trends
In conclusion, understanding mobile application development
architecture and frameworks is crucial for developers. As
technology evolves, staying updated with future trends and
emerging frameworks will enhance development practices and
lead to innovative mobile solutions.