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Learn how to seamlessly send data from one screen to another in Dart using constructors in Flutter for better app navigation and state management. --- This video is based on the question https://stackoverflow.com/q/72652882/ asked by the user 'saad tabban' ( https://stackoverflow.com/u/17033887/ ) and on the answer https://stackoverflow.com/a/72654036/ provided by the user 'Noman Uddin' ( https://stackoverflow.com/u/9612049/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to pass Data between two Screens in Dart Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- How to Effortlessly Pass Data Between Two Screens in Dart In the world of app development, creating a smooth user experience often requires efficient navigation between different screens. One common challenge developers face is passing data between these screens, especially when using Dart and Flutter. Let's explore how you can effectively send data from one screen to another using constructors. The Problem Imagine you have two screens in your Flutter application: the first screen is responsible for displaying and gathering user data, while the second screen is used for editing this data. The challenge arises when you need to send data from the first screen (let's call it readdata.dart) to the second screen (editdata.dart) when navigating. You may encounter an issue similar to this one: [[See Video to Reveal this Text or Code Snippet]] The error here suggests that you need to pass parameters to the EditFire class but you don't have the data ready when the state is created. Solution Overview To pass data seamlessly between the two screens, we will need to utilize constructors in our Flutter widgets. Here’s a step-by-step breakdown of how to implement this. Step 1: Modify the EditData Class Constructor First, we need to adjust the EditData class to accept parameters upon construction. This allows the class to receive data whenever a new instance is created. Here’s how you can modify editdata.dart: [[See Video to Reveal this Text or Code Snippet]] Step 2: Passing Data While Navigating Now, in your first screen file (readdata.dart), when you want to navigate to EditData, you can create an instance of the EditData class with the required parameters. Here's how to do this: [[See Video to Reveal this Text or Code Snippet]] Step 3: Accessing the Data in the New Screen With the data passed, you can easily access it in the new screen’s state. In the _EditDataState class, access the properties using the widget keyword: [[See Video to Reveal this Text or Code Snippet]] Conclusion Passing data between screens in Dart using Flutter is straightforward when you utilize constructors. By properly structuring your classes to accept parameters and ensuring you pass the necessary data upon navigation, you can avoid common pitfalls and create a more interactive and user-friendly experience. With this approach, you can efficiently manage the data flow in your Flutter applications and ensure that your users have access to the information they need across different screens. Happy coding!