Appmetry Blogs

Power of SwiftUI

For years there have been open debates in the iOS community on whether to manage views programmatically or through xib files. Both have their own pros and cons. Swift UI brings much needed closure to that. The XML based xib files (and Storyboards) let us design our views visually in Xcode’s interface builder. It’s a … Continue reading Power of SwiftUI

Setting up a simple performance test with Jmeter

Introduction Performance tests can be daunting for the first-timer with little to no experience. Hopefully, this blog will help you to get started. We are going to use a simple open source API https://catfact.ninja/fact. Catfact is one of the most popular free APIs on which a simple performance test will be done. First Steps We … Continue reading Setting up a simple performance test with Jmeter

Streamline CI Testing with Cypress: Simulating Camera and Microphone

Cypress is an open-source test automation tool favored for its speed and reliability in end-to-end testing of web applications. What sets Cypress apart is its ability to effortlessly simulate web camera and microphone access, a vital feature for testing WebRTC functionalities. Cypress captures insights by taking screenshots and recording videos during test runs, making it … Continue reading Streamline CI Testing with Cypress: Simulating Camera and Microphone

Setting up a simple Streaming Performance test with Jmeter

Introduction Streaming tests are a mandate in today’s digital landscape. The critical challenge is to ensure seamless and quality live streaming depends on a large number of factors like network, server capacity, live-streaming protocol, and notably the number of users streaming concurrently. In this blog, we learn a very simple yet efficient way to performance … Continue reading Setting up a simple Streaming Performance test with Jmeter

iOS

APPLE’s VISION : A New Look for Apps

The excitement around Apple’s latest wearable Virtual Reality gadget is not unwarranted. After all, it adds more than one dimension to the way we experience apps - literally and metaphorically. It promises a breathtaking immersive experience to the users. But is it worth jumping on the bandwagon for the app creators and businesses? We, at … Continue reading APPLE’s VISION : A New Look for Apps

iOS

Some common views in SwiftUI

In the last article, we learnt the basics of SwiftUI – declarative programming, the SwiftUI View protocol, state variables and some understanding of how things work behind the scenes. Today, we’ll put these basics to practice and explore some quintessential and at times, sufficient, SwiftUI components for most user interfaces, namely: Text Image TextField Button … Continue reading Some common views in SwiftUI

Building a Playwright JavaScript Framework with Page Object Model

Introduction Playwright is a popular JavaScript library for automating web applications. With Playwright, we can write automated tests for web applications using JavaScript, TypeScript, or any other language. One of the best practices for writing maintainable and scalable tests is to use the Page Object Model (POM) pattern. In this blog, we'll learn how to … Continue reading Building a Playwright JavaScript Framework with Page Object Model

Best practices

Product listing and detail – Part 2

In this part we are going to see how to write test cases for product listing and product detail screen. Check out Product listing and detail screen blog to know about how we can integrate retrofit to fetch data from api and display in a list and use android jetpack navigation component to display the … Continue reading Product listing and detail – Part 2

Best practices

Product listing and detail – Part 1

https://youtu.be/8qgLdGqrBL0 In this blog we are going to see how we can display list of products fetched from an API and the product detail screen. We are going to use Retrofit to make the api call. Add these dependencies to add retrofit to our project. Follow the retrofit doc to add the dependencies - https://square.github.io/retrofit/ … Continue reading Product listing and detail – Part 1

Best practices

Login – Part 2

In this blog we are going to see how to write test cases for the login feature we added in the previous part. If you haven’t checked that already, check that out before moving forward. Login feature To know about testing and different types of testing check out this blog to start. Testing https://youtu.be/v-S340RAdQU To … Continue reading Login – Part 2

Android, Best practices

Login Part 1

In this blog we are going to create an app with a login feature following best practices in android. If you are not familiar with best practices checkout the blog on android best practices Android best practice. https://youtu.be/hzlttxC9Zzg Things we are going to do and learn in this blog? Create Login activity and its layout … Continue reading Login Part 1

Best practices

Kotlin coroutines

https://youtu.be/HxvG5le5L1A In this blog we are going to see what kotlin coroutines are and why we need to use coroutines and what problem it solves in android application development. What is a coroutine ? Coroutine is a structured concurrency design pattern, which can be used to simplify asynchronous programming. It is conceptually similar to threads, … Continue reading Kotlin coroutines

Best practices

Dark theme

https://youtu.be/YzPZpn49LrM Benefits of dark theme: Can reduce power usage by a significant amount depending on the device’s screen technology.Improves visibility for users with low vision and those who are sensitive to bright light.Makes it easier for anyone to use a device in a low light environment. How to enable dark theme : Use the system … Continue reading Dark theme

Best practices

Accessibility

Accessibility is enabling users with impared vision , color blindness and many other disabilities to use android devices in their day to day life. Our app should be accessible by talkBack feature to read out the contents to the user. How to provide accessibility ? By adding content description to each view we can provide … Continue reading Accessibility

Best practices

Testing

https://youtu.be/slNApFY0w7Q Testing your app is an integral part of app development. By running tests against your app consistently, you can verify your app's correctness, functional behavior, and usability before you release it publicly. Testing also provides you with the following advantages: Rapid feedback on failures.Early failure detection in the development cycle.Safer code refactoring, letting you … Continue reading Testing

Best practices

Dependency Injection

In this blog we are going to see about dependency injection and how we can integrate hilt for dependency injection in android application development. https://youtu.be/p9f0EFvph4I What is dependency When class A requires some of the functionalities from other classes ( class B ) to perform a task , then class A is said to be … Continue reading Dependency Injection

Best practices

MVVM architecture pattern

In this blog we are going to see about the importance of architecture pattern and MVVM architecture pattern in android application development. Let's dive in.... https://youtu.be/AaCslcvvufc Architecture pattern Architecture is an integral part of any application development. It helps in writing a clean , testable and manageable code. Following an architectural pattern will benefit in … Continue reading MVVM architecture pattern

Best practices

General Do’s and Don’ts

In this blog we are going to list some of the do’s and don’t do’s we need to keep in mind while creating an application. When the app grows it will help in refactoring and adding new features. Do’s Always use dimensions from the dimen.xml file. Separate dimens.xml file can be created for different device … Continue reading General Do’s and Don’ts

Best practices

Android best practices

Every android developers must know how to write code in best possible way. The main purpose of this blog is to create a simple app with architecture adherence, code quality, scalability with high testing code coverage. If you have basic knowledge in Android, then it should be sufficient for understanding. This simple application can be … Continue reading Android best practices

AI/ML

Sound Classifiers: Here is how to build them

If your objective is to identify only 1 particular sound among all the other sounds, or it is to identify if the sound source is ObjectA or ObjectB; you are in the right place. At the end of this blog, you will know enough to get started on your classifier. We will take the example … Continue reading Sound Classifiers: Here is how to build them