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19 Tips and Tricks to Speed Up Your Flutter App Development

Flutter, Google’s favorite kiddo, is smoothing out some of the rough spots in the road to app development. It gives Android, and iOS app developers access to a development of shortcuts that were previously unavailable.  

These hints and recommendations can help you save time by accelerating your Flutter app’s development, enhancing your code’s style, and significantly boosting your productivity. 

So without further ado, let’s get to it! 

Flutter App Development Tips and Tricks 

Tip 1: Whenever Possible, Make Use of Sized Box Instead of Containers

Sized Box is much more compact and lightweight than Container. It is made up of a const function Object() { [native code] } that will assist you in correcting any whitespace issues inside a layout. 

Tip 2:  Get the Most Out of the Flutter snippet 

Using Flutter app development to create a fantastic experience is much simpler when you use a Flutter snippet. When working in Android Studio or VSCode, you can speed up creating classes and methods by utilizing the StreamBuilder widget or the SingleChildScrollView widget. 

Tip 3: To Simplify the Process of Debugging, click the Slow Animation Button 

When building your Flutter animation, it is essential to pay attention to the minutest of details. There is a possibility that you will skip over a certain segment, which, if you do, will affect the animation of the final scene. You may verify any animation flaws by clicking on “Flutter inspector” and then “slow animation.” Doing so will ensure that the implementation goes off without a hitch. 

Tip 4: If You Want a More Customizable Experience, Use the Introduction Screen 

Do not put yourself through the trouble of generating a distinctive introduction screen for the game.  

Tip 5: To Obtain a Customized Material-app Theme Effect, Implement Code  

Imagine that you can put effects wherever you like by adding just two lines of code.  

Tip 6: You Do Not Require the Services of a Professional Designer If You Utilize Font Awesome 

With Font Awesome, developers can generate stunning icons in minutes rather than hours. 

Tip 7: Inspect Your Already-Written Flutter Code for Obsolete Dependencies 

“Flutter pub outdated” is a command that may be quickly executed to check whether or not your Flutter code depends on any components that have become obsolete. 

Tip 8: Use The Singleton Design Pattern to Reuse the Data 

With the Singleton design pattern, you can reuse the data, which is essential for further development. 

Tip 9: An Easy Method to Cache Images 

To cache the photos straightforwardly, you can incorporate an image caching plugin into the pubspec.yaml file. 

Tip 10: Simple Code Formatting with The Help of Dartfmt 

As we are all aware, the true difficulty arises when you need to make changes to commas already present in your code. Dartfmt, on the other hand, makes formatting your Flutter code simple.  

Tip 11: You Can Perform String Multiplications with Dart 

Yes, string multiplication in Dart can be used to accomplish the drawing of a Christmas tree function. 

Tip 12: Use The Spread Operator While You Are Developing Cleaner Code 

Spread Operator enables you to create a nested conditional UI widget, one of the aspects that made this release so exciting. Using the Spread Operator to write clean code Dart 2.3 brought some great new capabilities, and one of them is called the Single Operator. It is a fantastic feature that comes in handy when working with conditional UI widgets, particularly when you have conditional UI widgets nested within one another. 

Tip 13: Utilize The Rendering of the Listview 

If you want your ListView rendering to be efficient, you need to start using keys on each item. 

Tip 14: Get The Most Out of Your Experience With Get.It 

You will be required to inject dependencies in the application’s logic numerous times, both when they are needed and when they are not. It is recommended that you keep your widgets distinct from their direct dependencies. It would help if you did this because it makes it much simpler to test and debug the code after it has been written. You can perform the same actions with the get.it. It is a straightforward Service Locator that can be utilized in Dart and Flutter apps. 

Tip 15: Widget Rebuilding Can Be Avoided By Using The Const Function Object() { [Native Code] } 

Avoiding widget rebuilding is one of the greatest and most effective tips and tactics for accelerating the development of Flutter mobile apps. You can use the const Constructor to maintain the setState in the same state as it now is. 

Tip 16: Create A Custom Extension to Reduce Repetition  

The process of creating the code, erasing it, and then writing it again is a laborious one. On the other hand, if you use Flutter, you won’t need to rewrite the same code repeatedly. There are situations where you can reuse the same HTML code throughout numerous pages without repeating the same code repeatedly. During the project development, you can reduce the amount of repetitive coding by using the Custom Extension technique. 

Tip 17: Extension To Cut Down On Duplicates 

When you are developing code, you should make every effort to avoid repeating the same parts of code over and over again. Imagine that you need to modify HTML tags to be displayed on the user interface. However, Flutter does not yet support all HTML tags in their entirety, and as a result, you will need to construct the same code in several different places. As a result, you will be able to construct an extension method suitable for use in any situation where necessary. 

Tip 18: Productivity Overlap for Effective Debugging 

The term “productivity overlap” refers to the time required to construct a frame. The UI time is displayed above, and the GPU time is below. If you notice a red line in the user interface graph, this indicates that the Dart code is too expensive. If there is a vertical red line in the GPU, then the frame has an excessively high cost to produce. 

Tip 19: Never Profile While The System Is In Debug Mode 

If the debug mode is enabled for your profile, accurate performance rates will not be provided to you. By default, debug mode operates much slower than production mode. The simulator does not display how the program works on a real device, so the profile mode has been switched off on the simulator. This is because the simulator does not display how the simulator works. 

Wrapping up

When it comes to the features it offers, Flutter offers nothing but the very finest. Adding these tips, tricks, and suggestions for developing Flutter apps is like icing on the cake. With Flutter, you have access to that framework that dominates mobile app market and what is essentially the world’s quickest method for app development. Adding these tips and tricks will further increase its speed resulting in a rapid TTM, cross-platform capabilities, an engaging UX, better reach, and consequently Augmented ROIs for your business.  

We trust that this article will prove informative. Until next time, happy developing! 

Pratik Mistry

I am Pratik Mistry, a rare mix of technologist and vice president in sales at Radixweb. My passion lies is in helping companies to grow revenues by delivering top notch custom software development solutions and build value-based partnerships. When not driving high-impact go to market strategies, I love to try new cuisines and going to the movies.

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