A simple mobile app developed with Flutter to visualize Covid-19 statistics

Covid19Stats

It’s a simple app to visualize charts and statistics about the current Covid-19 emergency.
It’s developed using Flutter and some plugins such as LiquidPullToRefresh and FlCharts
All the data visualized in the app is taken from the website Worldometers 📈

Screenshots

First Page	Select Page	Country without Charts	Country with Charts
	Range Picker Dialog	Date Picker

Download Details:

Author: GabrielTavernini

Source Code: https://github.com/GabrielTavernini/Covid19Stats

#flutter #dart #mobile-apps

What is GEEK

Buddha Community

How long does it take to develop/build an app?

With more of us using smartphones, the popularity of mobile applications has exploded. In the digital era, the number of people looking for products and services online is growing rapidly. Smartphone owners look for mobile applications that give them quick access to companies’ products and services. As a result, mobile apps provide customers with a lot of benefits in just one device.

Likewise, companies use mobile apps to increase customer loyalty and improve their services. Mobile Developers are in high demand as companies use apps not only to create brand awareness but also to gather information. For that reason, mobile apps are used as tools to collect valuable data from customers to help companies improve their offer.

There are many types of mobile applications, each with its own advantages. For example, native apps perform better, while web apps don’t need to be customized for the platform or operating system (OS). Likewise, hybrid apps provide users with comfortable user experience. However, you may be wondering how long it takes to develop an app.

To give you an idea of how long the app development process takes, here’s a short guide.

App Idea & Research

_Average time spent: two to five weeks _

This is the initial stage and a crucial step in setting the project in the right direction. In this stage, you brainstorm ideas and select the best one. Apart from that, you’ll need to do some research to see if your idea is viable. Remember that coming up with an idea is easy; the hard part is to make it a reality.

All your ideas may seem viable, but you still have to run some tests to keep it as real as possible. For that reason, when Web Developers are building a web app, they analyze the available ideas to see which one is the best match for the targeted audience.

Targeting the right audience is crucial when you are developing an app. It saves time when shaping the app in the right direction as you have a clear set of objectives. Likewise, analyzing how the app affects the market is essential. During the research process, App Developers must gather information about potential competitors and threats. This helps the app owners develop strategies to tackle difficulties that come up after the launch.

The research process can take several weeks, but it determines how successful your app can be. For that reason, you must take your time to know all the weaknesses and strengths of the competitors, possible app strategies, and targeted audience.

The outcomes of this stage are app prototypes and the minimum feasible product.

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Google's Flutter 1.20 stable announced with new features - Navoki

Flutter Google cross-platform UI framework has released a new version 1.20 stable.

Flutter is Google’s UI framework to make apps for Android, iOS, Web, Windows, Mac, Linux, and Fuchsia OS. Since the last 2 years, the flutter Framework has already achieved popularity among mobile developers to develop Android and iOS apps. In the last few releases, Flutter also added the support of making web applications and desktop applications.

Last month they introduced the support of the Linux desktop app that can be distributed through Canonical Snap Store(Snapcraft), this enables the developers to publish there Linux desktop app for their users and publish on Snap Store.  If you want to learn how to Publish Flutter Desktop app in Snap Store that here is the tutorial.

Flutter 1.20 Framework is built on Google’s made Dart programming language that is a cross-platform language providing native performance, new UI widgets, and other more features for the developer usage.

Here are the few key points of this release:

Performance improvements for Flutter and Dart

In this release, they have got multiple performance improvements in the Dart language itself. A new improvement is to reduce the app size in the release versions of the app. Another performance improvement is to reduce junk in the display of app animation by using the warm-up phase.

If your app is junk information during the first run then the Skia Shading Language shader provides for pre-compilation as part of your app’s build. This can speed it up by more than 2x.

Added a better support of mouse cursors for web and desktop flutter app,. Now many widgets will show cursor on top of them or you can specify the type of supported cursor you want.

Autofill for mobile text fields

Autofill was already supported in native applications now its been added to the Flutter SDK. Now prefilled information stored by your OS can be used for autofill in the application. This feature will be available soon on the flutter web.

A new widget for interaction

InteractiveViewer is a new widget design for common interactions in your app like pan, zoom drag and drop for resizing the widget. Informations on this you can check more on this API documentation where you can try this widget on the DartPad. In this release, drag-drop has more features added like you can know precisely where the drop happened and get the position.

Updated Material Slider, RangeSlider, TimePicker, and DatePicker

In this new release, there are many pre-existing widgets that were updated to match the latest material guidelines, these updates include better interaction with Slider and RangeSlider, DatePicker with support for date range and time picker with the new style.

New pubspec.yaml format

Other than these widget updates there is some update within the project also like in pubspec.yaml file format. If you are a flutter plugin publisher then your old pubspec.yaml  is no longer supported to publish a plugin as the older format does not specify for which platform plugin you are making. All existing plugin will continue to work with flutter apps but you should make a plugin update as soon as possible.

Preview of embedded Dart DevTools in Visual Studio Code

Visual Studio code flutter extension got an update in this release. You get a preview of new features where you can analyze that Dev tools in your coding workspace. Enable this feature in your vs code by _dart.previewEmbeddedDevTools_setting. Dart DevTools menu you can choose your favorite page embed on your code workspace.

Network tracking

The updated the Dev tools comes with the network page that enables network profiling. You can track the timings and other information like status and content type of your** network calls** within your app. You can also monitor gRPC traffic.

Generate type-safe platform channels for platform interop

Pigeon is a command-line tool that will generate types of safe platform channels without adding additional dependencies. With this instead of manually matching method strings on platform channel and serializing arguments, you can invoke native class and pass nonprimitive data objects by directly calling the Dartmethod.

There is still a long list of updates in the new version of Flutter 1.2 that we cannot cover in this blog. You can get more details you can visit the official site to know more. Also, you can subscribe to the Navoki newsletter to get updates on these features and upcoming new updates and lessons. In upcoming new versions, we might see more new features and improvements.

You can get more free Flutter tutorials you can follow these courses:

• Setup Flutter Desktop on Windows, Linux, MacOS using VSCode and Build – Flutter Tutorial
• Flutter Desktop Linux app | Build and Publish on Snapcraft Store
• Firebase Local Emulator Suite in Flutter

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List Of The Top Pittsburgh Mobile App Development Companies

https://clutch.co/app-developers/pittsburgh
Let’s look at the list of top list of the top Pittsburgh mobile app development companies which are known for providing top-notch services globally. They are great developers who provide quality services for all your needs.

#mobile app developers #mobile app development services #mobile app development #mobile app developers #mobile apps #mobile app development solutions

Demand for Mobile App Developers has Increased in Covid-19 Era

While major industries are facing a big crisis in the across the globe covid-19 pandemic, and least human contacts, there is an industry that grown to a certain level with a rapid surge in the demands worldwide, it is known as mobile app development sector, why?

Because pandemic diverted major audience go online, and change their routine of interacting with the businesses, and that’s where mobile app development companies started growing fast with a significant height with the involvement in major sectors.

However, the entire app development sector has reshaped industries like never before, although businesses understood the power and started developing mobile apps for their business, that suits and bring more customers to their business plan, and that’s why the demand for mobile app developers get increased.

Although during this covid-19 period, the mobile app developer also have changed their way of developing mobile apps, and I have been working in a similar industry, my major focus is connecting the right talent with a company or organizations, and in that span, I found that mobile app developers in Chicago, the USA is dominant app development market around the world, which just not gives what you expect, although also create mobile app’s navigations, that it become a wow factor for the client.

Furthermore, these mobile app development firms or individuals app developers are well familiar with the latest tech updates, and by getting help from these prestigious companies & professionals, we get the best technology integration in our mobile apps, which favors a lot in increasing the overall performance of a mobile application, and that’s why major business prefer to hire a company who has significant experience with similar industries, and whom work has been featured by big publications.

Still there many advantages for businesses, when they hire a professional to build a mobile app from scratch for their business, some of them are listed as above.

• On-hand experience
• Updated with Latest Trends
• User’s Usage Phycology

These 3 are the topmost priority of any mobile app, and there many of these when we hire an app development company to build out the mobile app, and below are the explanations for each point I have made here.

• On-hand experience

These professionals are well versed and versatile when it comes to building a top-notch mobile app that appeals to your business appropriately, and because of their daily encounters with these technologies, they are aware of the circumstances, and what navigation to leverage while developing a mobile app for your business.

And therefore, hiring these kinds of organizations helps a lot while launching your mobile app in the specific market, as they are the ones who know how the audience will going to react to your mobile app.

• Updated with Latest Trends

Being updated is the most important thing to operate in a technology sector with a full capacity, as there are many changes they get places daily, and that’s why we won’t be able to build a mobile app on our own, even if we know what to leverage and what to exclude.

As keeping updates with the latest trends helps us getting better at designing and developing mobile apps with top-edge technologies, and this is an essential part that businesses need to understand.

• User’s Usage Phycology

If you do not focus on user’s usage phycology, you are going to be failed badly, believe it or not, how user’s access mobile apps and how to place those navigational buttons in the mobile apps are necessary, and I have seen many big businesses don’t understand this concept, and because of bad user experience, they fail measurably.

So this point is also good to consider to see how your targeted audience, have been doing and accessing your mobile apps.

The above is just a blurb of how the demand for mobile app developers has been an increase, and why that demand got increased in just a few months.

So if you need any help for mobile app design & development, let me I would love to answer and help you out with the perfect approach and right solution according to your audience.

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