#Mvvm

[msicc]

Dealing with application windows on Windows with .NET MAUI

I just published a follow-up blog post on how to handle application windows on Windows with .NET MAUI. #dotNET #dotNETMAUI #csharp #programming #MAUI #WinUI #Windows

As we have done the work for macOS, we can turn our attention now to the Windows operating system. Spoiler: this post will be far shorter than the last one. Recap Dealing with application windows on macOS with .NET MAUI In my last post, I showed you how to support multiple windows and handle their size. I introduced you the IWindowService to handle windows in an MVVM friendly way and told you…

[onlinerpacourse]

WPF – The Secret Sauce Behind Rich Desktop Apps

Looking to build sleek, modern, and high-performance desktop applications on Windows?

Say hello to WPF (Windows Presentation Foundation) – Microsoft’s UI framework that gives you full control over every pixel of your app.

With WPF, you can:

Create custom-styled applications with XAML

Use data binding like a pro

Animate UI elements with storyboards

Build MVVM-friendly apps that scale

✨ Whether you're designing a point-of-sale system, an internal tool, or a dashboard, WPF lets your creativity flow.

[innvonixtech]

Exploring Flutter Architecture Patterns: Clean Architecture, MVVM, BLoC, and Beyond

When developing high-performance Flutter applications, choosing the right architecture pattern is crucial for maintaining clean, scalable, and efficient code. This article delves into various Flutter architecture patterns—Clean Architecture, MVVM, BLoC, and others—to help you understand how each approach impacts Flutter performance optimization.

Clean Architecture

Clean Architecture is a robust design pattern that emphasizes the separation of concerns, making the codebase easier to manage and test. In Flutter, Clean Architecture divides the application into layers: presentation, domain, and data. Each layer has specific responsibilities, ensuring that business logic is separate from UI concerns. By implementing Clean Architecture, developers can achieve better modularity and maintainability, which are key factors in optimizing Flutter performance.

MVVM (Model-View-ViewModel)

MVVM is a popular architectural pattern in Flutter that separates the UI from the business logic. In MVVM, the Model represents the data layer, the View displays the UI, and the ViewModel acts as a mediator, managing the data and updating the View accordingly. This separation ensures that the UI remains responsive and efficient, as changes in the data layer do not directly affect the UI layer. Using MVVM can significantly enhance Flutter performance by reducing unnecessary rebuilds and ensuring a smoother user experience.

BLoC (Business Logic Component)

BLoC is an architecture pattern designed to manage state and business logic in Flutter applications. It uses Streams to handle asynchronous data flows, ensuring that the business logic is isolated from the UI. BLoC facilitates efficient state management and improves performance by minimizing the amount of data transferred between the UI and business logic layers. By adopting the BLoC pattern, Our expert can achieve a more responsive and performant Flutter app development.

Other Architectural Approaches

Apart from Clean Architecture, MVVM, and BLoC, several other architectural approaches can be employed in Flutter development. For instance, the Redux pattern provides a predictable state container that helps manage application state in a consistent manner. Similarly, the Provider pattern simplifies state management and dependency injection. Each of these patterns has its advantages and can be chosen based on the specific needs of the application.

Conclusion

Selecting the right Flutter architecture pattern is essential for optimizing performance and ensuring a scalable and maintainable codebase. Whether you opt for Clean Architecture, MVVM, BLoC, or another approach, understanding how these patterns affect Flutter performance optimization will help you build robust and efficient applications. For expert guidance on implementing these architectural patterns, consider Flutter App Development services or hire Flutter developers to elevate your app's performance.

[hybridappbuilder]

Mastering MVVM Architecture: Elevate your development game with streamlined implementation! 🚀🏗️

[arifinfrds-blog]

WordPress Scheduled Post: "#4 Part 4.1- iOS - TDD - Random Character App - Swift - Enable the Power of TDD to Refactor MVVM to State based MVVM"

Sometimes we want to manage State in ViewModel easier. Instead of having multiple observed properties, we can have single state property that is observed by the View. We will learn how to safely refactor our ViewModel using TDD using State based MVVM.

Sometimes we want to manage State in ViewModel easier. Instead of having multiple observed properties, we can have single state property that is observed by the View. In this video, we will learn how to safely refactor our ViewModel using TDD using State based ViewModel variation. Let’s dive in into the second part of 4th video, State base MVVM with TDD! #testdrivendevelopment #tdd #tddios…

[codertrend]

Task Manager App: Effortlessly Develop One

Create a Task Manager app using C# WPF and the MVVM pattern. #WPF # Tutorial #MVVM #C-Sharp #Development #Developer #CoderTrend

Using C#, WPF and the MVVM architecture to create a stunning and Useful Task Manager Application Welcome to our comprehensive series where we delve into the creation of a sophisticated Task Manager application using WPF (Windows Presentation Foundation). This journey is not just about building an application; it’s an exploration into the robust capabilities of C# and WPF, crowned with the…

[coffeeworldsasaki]

Literally me right now:

[aibafiles]

Deciphering the invaders' language in the Hundred Line demo

After playing the hundred line demo recently, I gathered up any screenshots I could of the script the invaders use and I believe I've managed to decode all of it so far, so I wanted to share my findings here! I'll put the rest under the cut for anyone who wants to avoid it—I don't think anything I've translated so far would reveal any huge plot twists, but the game certainly doesn't expect you to be able to understand it.

Note: I'm aware that the demo has been datamined and there is plaintext of these lines, but I do not want corrections or confirmation based on this. I like piecing this together based on what the game has presented, nothing more!

Below the cut: translations of dialogue and UI text, character charts and other observations, and an analysis of the spoken language as well! (warning: long)

First things first, this language is a very straightforward kana-only Japanese in a different script. I started with the text under each main menu option, so let's look at these:

"Press any button" はじめる Hajimeru Start

The : mark next to the second character functions just like dakuten—the base character is し (shi), which becomes voiced to make じ (ji).

"New Game" はじめから Hajime kara From start

"Continue" つづきから Tsuzuki kara From next

"Load" きろくから Kiroku kara From

Pretty straightforward—I got stuck here for way too long because I thought these were -masu verbs and then nothing else made sense, oops.

"Gallery" せってい Settei Settings

"Settings" がろう Garou Gallery

"End Game" しゅうりょう Shuuryou End

Another sticking point here—the text on settings and gallery are actually switched. One danger of putting a fake language in your game is that you risk not being able to read it and messing it up in places (hi Metaphor), and though it's not really critical, this is not the only goof so far. (EDIT: This has been patched!)

Note that the smaller characters here are are reflected in the script as well, like the っ in せってい.

Cutscene dialogue

The subtitles for our commander's transformation cutscene, and a rough translation:

いだいなほしのかみよ… Idai na hoshi no kami yo... God of a great star(/planet)...

われにちからをあたえよ…！ Ware ni chikara wo atae yo...! Grant me power...!

むげんたい…！！ Mugentai...!! Eternal body...!!

ぼくは…「ちつじょのけしん」むゔゔむ… Boku wa... [Chitsujo no Keshin] Muvuvumu... I am... the [Avatar of Order] Muvuvumu... (MVVM?)

This was the section I struggled the most with, so there could be inaccuracies, but I'm reasonably confident in most of it.

Post-Battle Dialogue

Here's the very straightforward part:

こ、ころさないで… Ko-korosanaide... D-Don't kill me...

ゆるしてください Yurushite kudasai... Please forgive me...

おねがい…たすけて… Onegai... tasukete... Please... spare me... (or help me, but spare felt most fitting in this context)

And that's about everything we have so far! Here are my very janky kana charts, one for the script and one for the spoken language:

The most obvious observation is that the general shape seems to indicate the vowel sound, and the extra swoopy bits indicate the consonant, though some vowels are more consistent than others.

There's a general pattern among each consonants as well—N-shapes have loops or curls, S-shapes have angular lines that hook over the vowel shape, pure vowels have tiny loops, etc, but there aren't clear-cut enough patterns to extrapolate the rest of the language yet. Luckily I think there's enough so far that any remaining characters won't be too hard to place.

Let's talk about the spoken component as well! Notably, the commander is dubbed differently in English and Japanese, but both voice actors seem to be reading the same set of syllables, which gave me more sample data to work with, because they inflect their vowels a little differently. Like the written language, each kana has a 1:1 replacement syllable, but the nature of these syllables changes the cadence of the sentences when spoken.

The above chart is transcribed to the best of my ability, but it's possible I got a few sounds wrong, and I can't quite make out what the tsu in chitsujo is through the voice filter. I'm considering replaying the demo with the music and sound effects off to pick these voice lines out, and if I do, I'll edit this post and drop a reply noting it! There are also some unsubbed battle voice lines I'm curious about.

What's really interesting to me is how these new syllables interact with dakuten. Plenty of unvoiced consonants are replaced with voiced ones, or the other way around—but there are a few, like ta (now tu) and te (now se). When the Japanese script uses dakuten, the new syllables get voiced too, becoming du and ze. This tripped me up a bit, and it does cause some confusing duplicates (ku is already pronounced du), but it's fascinating that it bleeds through into the new pronunciation.

One other thing I noticed when analyzing these voice lines is that the English dub of the transformation cutscene straight up uses the wrong audio clip for the final line. The Japanese audio matches the syllable count, and those syllables match up with the ones we've heard in the other voice lines, but the English line seems to have too many syllables, and doesn't match at all. JP starts with "diduwa..." and EN starts with something like "mozoku en." I'm wondering if it's possible to reverse engineer this to figure out the original line, but that's another thing that would need scrutiny from a voice-only recording.

Misc. Observations

These little guys have the character for "o" on their faces! Also pronounced "ga" in the invaders' language.

I'm really intrigued by this graffiti on the walls when Takumi chases Karua into the abandoned school district, because this game is full of Japanese graphic text in the environments, so this can't be a case of generic unreadable background text—but it doesn't quite fit the invader script, either. A few shapes sort of match the characters if you rotate or invert them different ways, but I can't parse anything readable out of this. There are repeated shapes, like the topmost "word" in the first two images that appears to be the same, but written with slightly different strokes, so I have to assume there's meaning to it. Not sure what that is, but I wanted to include it in this post just in case.

Thanks for reading! this game is going to drive me insane

[msicc]

Book review: The MVVM pattern in .NET MAUI

I just blogged: Book review: The MVVM pattern in .NET MAUI #MVVM #dotNET #dotNETMAUI #Learn #Read #Book #Books #Reference

The book is split into three parts. The first one covers the basics of MVVM and .NET MAUI, while the second one goes hands on a full recipe app sample. The third part goes even deeper into specific topics every .NET MAUI developer should know about. Part 1: Explaining MVVM and .NET MAUI In the first part, the book covers what MVVM is with the help of easy understandable samples that make it…

[sreegs]

Object-Oriented Programming is out. We're past Reactive code and MVVM and VIPER and ELM. The next big architecture movement is eating some mushrooms and letting the spirit in the woods tell you what to do.

[nhaneh]

honestly still not sure how much I'm really on board with WPF - there's definitely some things like Bindings which can be quite nice to work with, but the way events tend to require a fair bit of manual cleanup feels like it runs contrary to a language that otherwise generally expects you to just trust the Garbage Collector to handle the majority of that for you and can't guarantee that the destructor gets called on an object before it goes away.

plus the whole MVVM concept seems just really loosely defined? There doesn't seem to be a whole lot of agreement of where and how to delineate between Model and ViewModel, and far too many edge cases where you either end up with the Model becoming the ViewModel, or having to basically make the ViewModel into an almost feature-complete reimplementation of the Data Model, resulting in almost twice the work.

It kind of feels to me like for a lot of situations it would be easier to bake the majority of ViewModel functionality into a handful of common interfaces that you could just attach to classes within the Data Model? Except that WPF can't access methods or properites defined via default implementations in an interface, nor does it seem to really have a simple and convenient way to handle polymorphism - at least not without a potentially significant performance cost.

I dunno, the whole ViewModel versus Code-Behind distinction feels kind of overplayed to me? Like it seems to be mostly a question of where the code goes rather than what it does, with all the actually important stuff like DataContext and Binding kind of working pretty much the same regardless of whether it exists within a ViewModel or is baked into the objects of the DataModel itself?

Like ok, if you have a number of temporary pop-up windows or dialogs that have to interact with the data in a way that's drastically different from how the rest of the UI does it and also have a generally short lifespan, I could see the reason for emphasising the ViewModel as being its own separate thing, but to me that feels like a relatively uncommon use case?

I don't know, it seems to be a lot of unnecessary faff adding a bunch of extra encapsulation and nested methods and properties when you could just bind directly to the source data?

[daisygrace9871]

How Indian iOS App Developers Build Scalable and Secure Applications

In today’s fast-growing mobile market, building scalable and secure iOS applications is a top priority for businesses. Whether you are a startup or an enterprise, users expect fast, smooth, and secure mobile experiences. This is where Indian iOS app developers come into play.

India has become a global hub for mobile app development. Companies from all over the world hire iOS app developers in India for their expertise, cost-effectiveness, and strong technical skills. In this blog, we will explain how Indian iOS developers build scalable and secure apps, and why you should hire iOS developers from India for your next project.

Why Scalability and Security Matter in iOS Apps

Before diving into the technical strengths of Indian developers, it’s important to understand why scalability and security are critical.

Scalability

An app is scalable when it can handle growth — more users, more data, more features — without crashing or slowing down. Apps like Instagram or Uber didn’t start with millions of users. But they were built to scale, and that’s why they could grow easily.

Security

Security is essential for user trust. iOS apps deal with sensitive data, such as payment information, personal chats, or health data. A single breach can ruin a brand’s reputation. That’s why secure coding practices, data encryption, and secure APIs are must-haves.

Why Companies Hire iOS App Developers in India

India is one of the top destinations for mobile app development. Let’s explore the key reasons businesses choose to hire iOS app developers in India:

1. Cost-Effective Solutions

Hiring an in-house developer in the US or Europe can be expensive. But when you hire iPhone app developers in India, you can cut development costs by up to 60% — without compromising on quality.

2. Skilled Talent Pool

India produces thousands of engineers every year. You’ll find many dedicated iOS app developers with deep knowledge of Swift, Objective-C, and Apple’s development tools.

3. Global Experience

Most Indian iOS developers have worked with clients from the USA, UK, UAE, Canada, and other parts of the world. So when you hire iPhone programmers in India, you’re choosing professionals with global exposure and understanding of business needs.

How Indian Developers Build Scalable iOS Apps

Here’s how Indian iOS developers create apps that are built to grow:

1. Modular Architecture

They use modular architecture such as MVC (Model-View-Controller) or MVVM (Model-View-ViewModel). This makes the codebase clean, easy to manage, and scalable when adding new features.

2. Cloud Integration

Indian developers integrate apps with cloud services like AWS, Google Cloud, or Firebase. This allows easy scaling for more users, content storage, and backups.

3. Load Testing

They use performance and load testing tools to simulate thousands of users and test how the app behaves. This helps identify bottlenecks and fix them before launch.

4. Code Reusability

Indian iOS developers focus on reusing code wherever possible. This reduces errors, increases development speed, and makes it easier to scale.

5. Regular Updates

Post-launch support is just as important. When you hire dedicated iOS app developers from India, they provide continuous updates and performance improvements as your app grows.

How Indian Developers Ensure App Security

Now, let’s understand how Indian developers build secure iOS applications:

1. Data Encryption

Sensitive data is encrypted using AES (Advanced Encryption Standard) and stored securely. This protects user data from breaches.

2. Secure APIs

Developers use secure protocols like HTTPS and OAuth 2.0 when integrating APIs. This prevents unauthorized access.

3. App Transport Security (ATS)

ATS is enabled by default in iOS apps. Indian developers follow Apple’s best practices to ensure data security in transit.

4. Secure Authentication

When building login systems, developers integrate features like two-factor authentication (2FA), biometric login (Face ID/Touch ID), and strong password policies.

5. Regular Code Reviews

When you hire iOS developers in India, they follow coding standards and conduct regular security audits to catch vulnerabilities early.

Quytech: Your Trusted Partner to Hire iOS App Developers in India

If you're looking for a reliable tech partner, Quytech is a leading mobile app development company where you can hire iOS app developers in India who are experienced, innovative, and committed to quality.

Why Choose Quytech?

Experienced iOS Team: We have a team of certified Swift and Objective-C experts.

End-to-End Services: From planning to post-launch support, we cover everything.

Custom Solutions: Whether you need a retail app or a fintech solution, we build what your business needs.

Transparent Pricing: No hidden charges. Clear, flexible engagement models.

When you hire iPhone app developers from Quytech, you’re not just hiring coders—you’re hiring thinkers and problem-solvers.

Technologies Used by Indian iOS Developers

To build scalable and secure apps, Indian iOS developers make use of the latest tech stack: AreaTools/TechnologiesProgramming LanguagesSwift, Objective-CIDEXcodeUI/UX DesignUIKit, SwiftUICloud IntegrationAWS, Google Cloud, FirebaseDatabaseCore Data, Realm, SQLiteTestingXCTest, AppiumSecurityKeychain, SSL Pinning, ATS

Key Industries Benefiting from Indian iOS Developers

Businesses across various domains hire iPhone app developers in India to bring their ideas to life:

Healthcare – Secure patient data and HIPAA-compliant apps

Fintech – Scalable apps with multi-layer security

E-commerce – Personalized and fast mobile shopping apps

Education – eLearning platforms with real-time performance tracking

Travel – GPS-based features, booking systems, and secure payments

Final Thoughts

If you want to build an iOS app that is scalable, secure, and cost-effective, then India is your go-to destination. By choosing to hire iOS app developers or hire dedicated iOS app developers from India, you get high-quality development, faster time-to-market, and budget-friendly rates.

So, whether you are planning a new iOS app or upgrading an existing one, it’s time to hire iPhone app developers in India who understand your goals and turn them into world-class mobile apps.

[yuriinullification]

magic system idea: the universe is written in C# with a heavy focus on modularity and adherence to object-oriented programming principles, with a backbone organizational structure built around the MVVM (Model-View-ViewModel) architecture.

[arifinfrds-blog]

4 Part 4 - iOS - TDD - Random Character App - MVVM ViewModel

In this video, we will learn how we can build our ViewModel component using Test Driven Development approach! Let's dive in into the 4th part, MVVM with TDD!

In this new series, we will be learning how we can use Test Driven Development on a networking based iOS project app, and in this case, we will fetch random character from `rickandmortyapi` and display it to the screen! In this video, we will learn how we can build our ViewModel component using Test Driven Development approach! Let’s dive in into the 4th part, MVVM with…

[lowcode07]

Building High-Performance Mobile Apps: A Guide for 2025

Mobile applications have become an integral part of our daily lives, with millions of apps available across various platforms. However, not all apps deliver the same level of performance. In 2025, with technological advancements and increasing user expectations, building high-performance mobile apps is more critical than ever. Users demand speed, responsiveness, seamless UI/UX, and optimal security, making it essential for developers to follow best practices for performance optimization.

This guide will explore the key principles, technologies, and strategies required to build high-performance mobile apps in 2025.

The Importance of Performance in Mobile Apps

The success of a mobile application largely depends on its performance. A sluggish, unresponsive, or crash-prone app leads to negative user experiences, resulting in low retention rates and poor reviews. Here’s why performance optimization matters:

✅ User Experience (UX) – Smooth, fast, and engaging interactions keep users satisfied.

✅ SEO & App Store Ranking – Faster-loading apps rank better in search results and app stores.

✅ Increased Engagement & Retention – Users stay longer on apps that perform well.

✅ Better Monetization Opportunities – Well-performing apps convert more users into paying customers.

✅ Competitive Advantage – High-speed apps stand out in a crowded marketplace.

Key Strategies for Building High-Performance Mobile Apps

1. Choose the Right Development Approach

Selecting the right framework and development approach is the foundation of a high-performance app. The three main approaches include:

Native Development (Swift for iOS, Kotlin for Android) – Offers the best performance and efficiency.

Hybrid Development (Flutter, React Native) – Provides a balance between performance and cost.

Progressive Web Apps (PWAs) – Good for web-first businesses but may lack native-level performance.

2. Optimize App Architecture

A well-structured app architecture enhances speed and efficiency. Key architectural patterns include:

MVVM (Model-View-ViewModel) – Helps separate concerns, improving maintainability.

MVP (Model-View-Presenter) – Ensures modularity and ease of testing.

Clean Architecture – Keeps dependencies minimal, improving flexibility.

3. Reduce App Load Time

Load time is a crucial factor in mobile performance. To improve loading speed:

Use lazy loading to load resources only when needed.

Optimize images and videos using compression techniques.

Implement code splitting to break large files into smaller chunks.

Leverage server-side rendering (SSR) for faster initial loads.

4. Efficient Data Handling

Data processing and storage optimization significantly affect app speed. Best practices include:

Use lightweight databases like SQLite or Firebase for better performance.

Implement caching mechanisms to reduce redundant data fetches.

Optimize API requests using GraphQL instead of REST when dealing with complex queries.

Minimize network requests through batching techniques.

5. Leverage Performance-Boosting Technologies

The right tools and technologies can improve app responsiveness:

Jetpack Compose (Android) & SwiftUI (iOS) – Modern UI frameworks that enhance efficiency.

5G Optimization – Taking advantage of faster network speeds for better performance.

Edge Computing – Reducing latency by processing data closer to users.

AI & ML – Implementing AI-driven optimization for personalization and efficiency.

6. Enhance UI/UX for Speed & Responsiveness

User experience plays a significant role in app performance. Follow these UI/UX best practices:

Minimize DOM updates and avoid excessive animations.

Use hardware acceleration for smoother transitions.

Keep UI components lightweight and avoid unnecessary rendering.

Implement adaptive UI that adjusts seamlessly to different devices and screen sizes.

7. Optimize Battery & Memory Usage

Apps that consume excessive memory and battery drain are often uninstalled. To optimize power usage:

Reduce background processes and limit CPU-intensive tasks.

Optimize network calls to prevent excessive data usage.

Implement dark mode and energy-efficient UI themes where possible.

Utilize low-power modes when running on limited battery.

8. Implement Robust Security Measures

Security is a key performance factor. Users demand safe, secure apps that protect their data. Follow these security measures:

Use end-to-end encryption for sensitive data transmission.

Implement OAuth authentication and multi-factor authentication (MFA).

Secure APIs with token-based authentication.

Regularly update dependencies to patch vulnerabilities.

Conclusion

The future of mobile app development in 2025 demands speed, efficiency, and seamless user experiences. Businesses that prioritize performance optimization today are setting themselves up for long-term success in an increasingly competitive digital world.

At Low Code Systems (LCS), a top app development company in USA, we specialize in delivering high-performance mobile applications tailored to meet your unique business needs. Whether you're looking for native, hybrid, or cross-platform solutions, our team of expert developers ensures your app is fast, scalable, and ready to perform at the highest level.

Partner with LCS to bring your mobile vision to life—where innovation meets impact.