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How to Develop Progressive Web Apps in Flutter – Step by Step Guide

Technology that allows web browsers to provide services as mobile apps have resulted in a Progressive Web Application. As with an installed mobile app, the PWA gives the same native experience to users.

What does PWA stand for?

A progressive web app (PWA) is a mobile app that runs in the device’s default browser. Once you’ve downloaded the PWA from the website, you’ll be able to use it in the same web browser you used to access the website.

There are a variety of technologies accessible for creating a PWA. However, Flutter is recommended for creating a prominent and optimum PWA with the help of Flutter mobile app developer.

For starters, how would you go about creating a Flutter PWA?
You may join us on this journey to build and deploy a PWA using Flutter regularly.

Requirements for the Computer System:

Get the Flutter SDK for your platform and get started.
Install Google Chrome on your computer for the time being, the only browser that can be used to debug web apps is Google Chrome.

Flutter’s process for creating PWA Steps

1. Install Flutter for the Web
Flutter Channel Master
It won’t be immediate, but after some delay, proceed as follows.
flutter doctor -v
Since it will download the most recent version of the Dart software development kit, a significant amount of time will be needed.

The following should be the outcome:

[√] Flutter (Channel master, v1.13.1-pre.59, on Microsoft Windows [Version 10.0.18362.535], locale en-US)

• Flutter version 1.13.1-pre.59 at C:flutter

• Framework revision e58dc16d7b (11 days ago), 2021-12-06 18:21:52 -0800

• Engine revision e7b69ced2e

• Dart version 2.7.0 (build 2.7.0-dev.2.1 a9c77229c2)

flutter config –enable-web
It will make web support possible.

flutter devices
The following is an example of the output it will provide:

Chrome • chrome • web-javascript • Google Chrome 79.0.3945.79
Web Server • web-server • web-javascript • Flutter Tools

2. Create new project
flutter create hello

cd hello
It will make a brand-new app called hello.

Include web functionality in an existing application.

Flutter create.
“.” is essential since it will provide support for the already available app.

3. Run-on web
flutter run -d chrome
It will execute our Application using Chrome on the localhost.

4. Run-on IP
Mac or Windows systems must be linked to the same Wi-Fi network to fulfil this requirement.

On windows

flutter run -d chrome –web-hostname= –web-port=80 IP of the windows

flutter run -d chrome

It will launch our Application on Chrome using the provided IP address and insert that IP address into a mobile browser.

On Mac:
flutter run -d chrome --web-hostname= IP of the mac

5. Build project

flutter build web

Within the build directory, it will create a folder with the name ” web ” (please check the picture below for more information).

Look in the web folder; you’ll find the following files there.
Kindly note that these files are automatically produced and will be generated each time we build the project for the web; thus, if you could please duplicate this file so that we can have a backup of it.


1. Generate manifest.json file
The following files will be produced as a result:

Please make a copy of the pictures folder and the manifest file, and place them within the web folder.

2. Edit index.html (from web folder)

index.html file will look like this:

<!DOCTYPE html>
<meta charset="UTF-8">
<link rel="manifest" href="manifest.json">
<link rel="apple-touch-icon" sizes="57x57" href="apple-icon-57x57.png">
<link rel="apple-touch-icon" sizes="60x60" href="apple-icon-60x60.png">
<link rel="apple-touch-icon" sizes="72x72" href="apple-icon-72x72.png">
<link rel="apple-touch-icon" sizes="76x76" href="apple-icon-76x76.png">
<link rel="apple-touch-icon" sizes="114x114" href="apple-icon-114x114.png">
<link rel="apple-touch-icon" sizes="120x120" href="apple-icon-120x120.png">
<link rel="apple-touch-icon" sizes="144x144" href="apple-icon-144x144.png">
<link rel="apple-touch-icon" sizes="152x152" href="apple-icon-152x152.png">
<link rel="apple-touch-icon" sizes="180x180" href="apple-icon-180x180.png">
<link rel="icon" type="image/png" sizes="192x192" href="android-icon-192x192.png">
<link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png">
<link rel="icon" type="image/png" sizes="96x96" href="favicon-96x96.png">
<link rel="icon" type="image/png" sizes="16x16" href="favicon-16x16.png">
<meta name="msapplication-TileColor" content="#ffffff">
<meta name="msapplication-TileImage" content="/ms-icon-144x144.png">
<meta name="theme-color" content="#ffffff">
<script src="main.dart.js" type="application/javascript"></script>
Our code for the PWA is now complete. Let’s make a live connection and put it to the test.

7. Make a PWA Application Deployment Using Surge.

The Front-End Developers’ tool for publishing static web content is called Surge. It is the most effective method for programmers to use when publishing static web apps for use in production.


1. To begin, check that you are using the most recent version of Node.js

2. After that, install Surge with the help of npm by executing the following command:
npm i -g surge

Using a Mac, you must remember to include the sudo command.
sudo npm i -g surge

Using this command will install Surge globally on your system, which means you can use it in any location.

To get a live connection and deploy on Surge, use this command.
We need some of your time and will provide the results:

Now enter the URL “teeny-tiny-drawer.surge.sh” into the web browser, and it will work.

If you no longer want your project to be shown on Surge

8. Ensure that the Application is a PWA on both Android and iOS.

Go into the settings of your Android’s Chrome browser, and then click on the Add to Home Screen option.

When using Safari on an iOS device, tap the share button and the Add to Home Screen option.

To summarize, using Flutter to design and launch your Progressive Web Application is a straightforward process requiring only a few steps. PWAs can be developed using Flutter because it provides the optimum user experience, meaning that users can easily interact with PWAs in the same way that they do with native apps. This makes Flutter the ideal technology to utilize. Hire Flutter development company from www.flutteragency.com to get access to the highly professional Flutter developers and required tools for your project development.
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Install it with: npm start npm init react-app my-app Programming and development Red Hat Developers Blog Programming cheat sheets Try for free: Red Hat Learning Subscription eBook: An introduction to programming with Bash Bash Shell Scripting Cheat Sheet eBook: Modernizing Enterprise Java If you do not favor using Create React App, different boilerplate choices are React Boilerplate and React Slingshot. Both are well-maintained and open supply beneath the MIT License. 3. React Sight React Sight is an oftentimes used visualization device that affords a stay thing hierarchy tree (like a flowchart) of your complete app. It can be brought immediately as a Chrome extension and wants to React dev equipment for studying records about your app. With its prosperous interface, you can even add filters to the focal point on the aspects you want to have interaction with the most. By hovering on the nodes, you can show the cutting-edge kingdom and props. React Sight is very beneficial for debugging a massive and complicated project. React Sight is open supply beneath the MIT License, and you can get entry to its supply code in its GitHub repo. Install React Sight from the Chrome internet store. 4. React Belle React Belle is a configurable React thing library containing reusable elements like Toggle, Rating, DatePicker, Button, Card, Select, and others to supply an easy consumer experience. The factors are customizable and guide ARIA accessibility standards. It affords specific themes, like the famous Belle and Bootstrap. Belle is open supply underneath the MIT License, and you can get admission to its supply code in its GitHub repo. Install it with: npm deploy belle 5. Evergreen Built on the pinnacle of the React UI primitive, Evergreen is a UI framework that incorporates relatively polished elements that you can use to construct your project. One issue that builders like about this device is its simple import of components. Evergreen is open supply below the MIT License, and you can get admission to its supply code in its GitHub repo. Install it with: npm deploy --save evergreen-ui 6. Bit Bit provides an on line platform and command-line tool for publishing and sharing React apps. It is one of the satisfactory selections if you are developing and sharing components. Its market is a shop the place human beings can submit their React apps and different humans can search for the factors they need, so they do not have to reinvent the wheel each time they want a new React app. Bit's core aspects include: Allows code reuse Increases graph and improvement efficiency Retains UI and UX consistency Increases a project's stability Bit is open supply underneath the Apache two License, and you can get right of entry to its supply code in its GitHub repo. Install it with: $ npm installation bit-bin --global 7. Storybook Storybook lets you set up a stay improvement server that helps hot reloading, so you can create factors in isolation from your complete project. It helps with element reuse, testability, and improvement speed. It additionally presents an on-line UI editor that lets in you to develop, inspect, and ultimately exhibit your creations interactively. What's more, Storybook's API provides myriad elements and helps configuration like no other. It is used in manufacturing by using organizations like Coursera, Squarespace, and Lonely Planet. Storybook is open supply beneath the MIT License, and you can get admission to its supply code in its GitHub repo. First, set up Storybook the use of the following instructions (note that one makes use of an NPM command, which is associated to npm however unique. As a leading ReactJS development company, we build custom reactjs web and reactjs app development per your needs. Checkout our post for React JS IDE's
Top 8 Best ParseHub Competitors and Alternatives
If you're looking for a comparably priced (or free) web scraping software alternative to ParseHub, look no further! In this blog post, we'll introduce you to some of the top ParseHub competitors. Each of these web scraping tools has its own unique set of features, so be sure to read up on each before deciding which one is the best fit for your needs. Happy scraping! 1)PromptCloud Web scraping software PromptCloud is one of the most popular web scraping software that helps you extract data from websites in a quick and easy way. With PromptCloud, you can turn any website into an API in just a few minutes, making it easy to get the data you need without having to code or use complex tools. PromptCloud also offers a variety of features that make it unique among web scraping software, including the ability to schedule crawls, set up alerts, and download data in multiple formats. Whether you're looking for data for research or need to monitor a competitor's website, PromptCloud can help you get the information you need. 2)Octoparse Web scraping software Octoparse is a web scraping tool that enables users to easily extract data from websites. With Octoparse, users can collect data from online sources with just a few clicks. Octoparse has many features that make it an valuable tool for web scraping, including its ability to handle dynamic web pages, login systems, and anti-scraping measures. Octoparse is also easy to use, with a user-friendly interface and detailed instructions. Overall, Octoparse is a powerful and user-friendly web scraping software that can be used to collect data from online sources. 3)ParseHub Web scraping software ParseHub is a web scraping tool that enables users to collect data from websites. It is easy to use and requires no programming skills. Simply enter the URL of the website you want to scrape and ParseHub will do the rest. The software will extract data from the website and store it in a format of your choice (e.g., JSON, CSV, XML). You can then access the data offline or use it for further analysis. ParseHub is an invaluable tool for anyone who needs to collect data from websites. It is fast, efficient, and easy to use. 4)Webscraper. io Web scraping software Webscraper. io is a web scraping tool that enables you to extract data from websites and store it in a format of your choice. The software is easy to use and can be used for a variety of purposes, such as research, lead generation, and competitor analysis. Webscraper. io provides a free plan that allows you to scrape up to 500 pages per month. The paid plans start at $99 per month and allow you to scrape unlimited pages. Webscraper. io is a versatile web scraping tool that can be used for a variety of purposes. 5)ScrapeHero Web scraping software With ScrapeHero, you can easily set up a crawler to extract data from any website and save it to a spreadsheet or database. ScrapeHero also allows you to schedule regular crawls to keep your data up-to-date. In addition, ScrapeHero provides a visual editor so you can see the data being extracted in real-time and make changes on the fly. ScrapeHero is the perfect tool for anyone who needs to collect data from websites. 6)Zyte Web scraping software Zyte ( formerly ScrapingHub) is a web scraping software. Zyte has all the features that you need to scrape the data that you need from websites. Zyte is easy to use, efficient and fast. With Zyte you can scrape websites with ease and get the data that you need in a format that is easy to work with. 7)Apify Web scraping software Apify is a web scraping tool that enables users to transform websites into structured data. It offers a simple and user-friendly interface that makes it easy to get started with web scraping. Apify also provides a wide range of features, including the ability to schedule scrapes, extract data from Javascript-based websites, and handle CAPTCHAs. Additionally, Apify integrates with a number of popular data analysis tools, making it easy to visualize and analyze the data that you've collected. Overall, Apify is an excellent choice for those who want to get started with web scraping. 8)Mozenda Web scraping software Mozenda is a web scraping application that enables users to collect data from websites automatically. With Mozenda, users can specify the data they want to collect, and the software will do the rest, extracting the information and saving it in a format of their choice. Mozenda is particularly useful for extracting large amounts of data from websites, making it a valuable tool for businesses and researchers. In addition, Mozenda can be used to automate repetitive tasks such as filling out online forms. As a result, it can save users a considerable amount of time and effort. Conclusion: ParseHub is a powerful web scraping tool that can be used to extract data from websites. It has some great features and is easy to use, but it does have some competitors. If you are looking for an alternative to ParseHub, or if you are just curious about what else is out there, here are some of the top ParseHub competitors & alternatives.
Why Now Is the Right Time to Upgrade Your Mobile Phone?
The average American keeps their cell phone for two to three times before upgrading to another newer device. Although the technology for phones is decelerating down a little, with the largest changes being aesthetic and in the quality of the cameras, there are still tons of reasons to upgrade your phone right now. These are the top reasons to buy a new bone and how to make it easier on yourself! Apple iPhone 14 Pro Release The Apple iPhone 15 is getting released this time! There are anticipated to be some major design differences that point toward the requirements of utmost people, and numerous are agitated to see what that means. These phones have better cameras, a fantastic display, and come in gorgeous colors from green to pink! This phone is largely anticipated, so we’ll have to see how well it does once it’s out to request! The Samsung Galaxy S22 Ultra is Then This phone is by far the top Android phone of the time. With an erected- in stylus that allows you to use your phone in indeed further ways and a lithography camera that ensures no print comes out inadequately, you can get a lot done with the Galaxy S22. These biases are precious, but the price is worth everything you can do with them! Compared to the iPhone 14, from what we know so far, this is the winner, but that can surely change by the time both phones are more readily available! If Your Phone Isn’t Getting Updates With numerous biases, your phone won’t admit updates presently after six times. How old is my phone? Without updates, it ’ll begin to run slower, have trouble interacting with apps and connecting with other bias, and will generally come a headache to deal with. Of course, you can make some changes to allow your phone to last at least another time. These include having the battery professionally changed out so it’ll last longer and routinely going through and deleting prints, vids, and apps that you no longer use so that you don’t have to deal with your phone aging inadequately and running out of space. What to Do if You Can’t Go It New phones can be precious! Although you may need a new phone as soon as possible it’s a good idea to be conservative with your finances. Buy now pay latterly mobile phones can be a game-changer since this purchase allows you to make your credit over time, use the new device you want, and set realistic prospects for paying it off. You can also make a new phone purchase easier on your finances by planning to vend your current phone after you buy this new one and investing in a good case so that your new phone lasts longer and can resell for a good price. A New Phone Can Change Everything Whether you’re tired of your phone noway keeping a charge, or you’re ready to have a phone with far further storehouse space an upgrade is close in your future! Consider getting your new device this time!
How to Use CPU Profiler View in Flutter?
Currently, a vast majority of the worldwide population owns and uses a smartphone and mobile technology for various functions regularly. With advanced technological improvements, mobile apps are user-friendly solutions that provide high-performance benefits, like strong network connections and robust processing power. The best mobile apps also come with an engaging user interface, owing to specific configurations that developers make during the app development process. One notable aspect that Flutter devs focus on to ensure sturdy app performance is the CPU profiler view. It is compatible with mobile apps and Dart CLI only, so you should hire capable professionals from a top Flutter development company, like Flutter Agency. They are experienced in handling this process and carrying out the right steps. As for how the CPU profiler view works in Flutter, those details are available here. What is a CPU Profiler? It is useful to optimize the CPU usage of a mobile application in terms of getting a smoother and improved user experience. The app would work faster and lose a limited battery, ensuring better performance. The CPU profiler is a solution technology experts use to analyze and test the CPU usage in an app carefully. It measures the real-time threat activity related to the app UI and interacting with it. Through the CPU profiler, it is possible to evaluate and check specific insights like recorded function traces, method traces, and system traces. Flutter developers focus on using the CPU profiler view to record and then run Dart/Flutter-based session profiling. The best experts at companies like Flutter Agency can accurately generate high-quality, and user-friendly profile builds that they use to study app performance. While the Flutter app works in profile mode, CPU profiles are suitable for release performance evaluation but not for any other session. Recording Configurations for CPU Profiler View Through the CPU profiler view, it is possible to see the records of interaction-based details. The type of information and its quality depends on the type of recording configuration that one chooses. Two main variations are available here. Method/Function Traces It is possible to use these configurations to check all threads of the app’s CPU usage and processing individually. One can acquire details through function traces and method traces to check what frameworks and coding languages are executed in the app for a specific time boundary. Plus, with these traces, developers identify the callees and callers. The callee is the function/method that another function or method invokes. On the other hand, caller refers to the method/function that carries out the invoking action. Therefore, with these traces, it is possible to understand which elements contribute to most of the app usage load. System Traces This type of recording configuration acquires fine-grained information related to system functions. Through these insights, one can comprehend the interaction quality of the app with available system resources. How to Use the CPU Profiler? To operate the CPU profiler, you can press record to begin said action. After completing the recording sequence, one can hit Stop. The data that is collected via the VM is shown in Call Tree, Bottom Up, and Flame Chart Profiler views. Call Tree Profiler View This type of view showcases the CPU profile’s overall method trace sequence. The table for the call tree view displays a top-down format for the profile. So, developers can click on one method to expand it and show all callees. The main elements here include: Self-time: This records the total time for the code execution done in this profile view. Total time: In this section, the overall time to execute the primary code and the callee-based code periods are recorded here. Source: It shows the main file path available for the method’s call site. Method: The called method name. Bottoms Up Profiler View The top experts from any Flutter company would focus on the bottom-up CPU profiler view to see the bottom-to-up depiction table of the CPU profile. Here, all top-level methods shown on the table are the last call stack method for any CPU sample. Another term for them is leaf nodes. Flame Chart Profiler View This profiler view format showcases the CPU sample representation for a specific period of the recording. It is accurate to view the stack trace here in a top-down manner. The stack frame at the top section invokes the stack frame under it. Here, the width of any particular stack frame denotes the total time of CPU consumption of that stack frame. It is valuable to consider the stack frames that take up a high amount of CPU time. It is a better reference for checking any notable performance improvements. Source: doc.flutter.dev Overall, the CPU profiler view is crucial to the Flutter-based app performance analysis and processing. We are a reliable Flutter Agency with experience and training in using CPU profilers for app usage evaluation. They carefully and quickly carry out the sequences, assuring top-notch results. So, reach out whenever to book their valuable services for Flutter app development! Source: https://flutteragency.com/use-cpu-profiler-view-in-flutter/
How to track my wife’s Whatsapp messages?
Trust and loyalty define every relationship and especially a relationship like marriage. You read this and immediately thought I don’t trust my wife. Can I track my wife’s mobile phone is your very next question, but why? Are these your suspicions over a few actions that looked suspicious but could as well be just something in life that you are not fully aware of? Whether she is cheating or not, it won’t be wise to accuse them without much proof of her actions. 3 Ways to spot your wife’s cheating Technology has changed the way we handle relationships. It is easy to stay in contact anytime, but the unfortunate part of that is that it has also become easier to cheat also. Good for you, there are also some ways to catch a cheater:- Consider watching the video might be helpful for you https://www.youtube.com/watch?v=NYZk29duzCo 1. Find cheating through exchanged messages One of the first methods is quite simple, but like any way that exists, it comes with a caveat. You do need a hold of the target mobile to read someone's Whatsapp messages to detect anything. If you didn’t know, Whatsapp monitors a ranking of the contacts that receive the most messages from the target mobile. You can then spot the suspicious contacts and maybe going through messages can get you further information on conversations with these contacts. This may not completely nail the truth but could raise some red flags. 2. Send Tricky messages It is said that this message is illegal in many countries so it would be a good idea to check its legality in your country before trying this. So, keep that in mind, although many people prefer to use cell phone spy software on their spouse. “Tricky message’ simply said is a fake message that you send to your wife pretending to be her secret lover and then analyze their response. You can learn information about the contacts you suspect of being her lover from the previous method. 3. Using a monitoring software This is also a slightly safer and better way than the previous two methods. You can use this spy app as a Whatsapp Tracking Software on your wife’s mobile and acquire other information from her mobile. It will be done secretly and without any alert on her mobile. How can a monitoring software help you track her Whatsapp messages? As discussed above, the first two methods can be pretty risky and are fraught with dangers. So, a remote method to keep a close eye on Whatsapp conversations is much better. This is where monitoring software solutions or a spy app come in and are a much-preferred option. Here are some reasons and features that will you monitor your wife’s Whatsapp easily:- Remote monitoring Trusted monitoring software has proven to be one of the best ways to track someone's social chats remotely on Whatsapp and other such chat platforms. In the case of the iPhone, you only need the iCloud credentials to start spying, and in Android, you need the target mobile for around 5 minutes. Stealth mode The monitoring software will spy on your wife’s Whatsapp without raising any alerts on her mobile. You will secretly get all her conversations and other data. Multimedia files All the multimedia files exchanged on her Whatsapp profile on her mobile will be viewed to you on the central console of the spy app live. Online calls Whatsapp offers the facility of online calling too, and good quality Whatsapp spy apps offer the facility to see the call details. In addition, the facility to listen to those calls is also there. In addition, you get, Accurate GPS tracking Any reliable spy app is incomplete without an accurate GPS tracker. It will give you a live report of their movement, name, information on the location, and duration of the stay. Call logs tracking You will be able to easily track all the calls made from your wife’s mobile daily. Plus, with your chosen cell phone monitoring software, you can see the regular contacts with details and get access to her phone book to see any suspicious contacts. SMS tracking Monitor all the text messages on your wife’s mobile from the comfort of your mobile phone. Any suspicious contacts and the pattern of their conversation will be visible. Social media tracking The software will give you easy access to track all the activities on your wife’s profiles on all the major social media platforms like Facebook, Instagram, Snapchat, etc. Conclusion Being in a state of confusion and suspicion can make anyone sleepless. But a trusted monitoring software will let you spy on iPhone without jailbreak to get all the information from her mobile. Having a spy app will get you concrete information from the target mobile instead of just plain doubts on her loyalty that won’t get you anywhere. Read more amazing stuff from Spymaster Pro https://www.spymasterpro.com/blog/track-cheating-wifes-activities-online/