Floating action button - #flutter

TL;DR

Learn how to design a Flutter app by adding a floating action button and customizing its properties, such as the background color and on-pressed event.

Transcript

hey did everyone have a share back again with another video and in this video we're gonna move forward into the flutter direction and we're going to explore few more things now in case you remember when we created our very first app there was a button at the bottom which we were pressing and it was increasing the numbers there so we're almost there... Read More

Key Insights

• 😀 By using a Text widget with the desired text, you can add a title to the app bar in a Flutter app.
• 🈸 The Scaffold class is used to add the floating action button to the app.
• ❓ The FloatingActionButton widget can be customized with various properties, including the background color and onPressed event.
• 😀 Changes made to the app can be instantly seen by using hot reload.
• 🏃 Errors related to access denied and property not found may occur when running the app on a real device, but they can usually be resolved when running on a simulator.
• 😀 Designing a Flutter app with a few lines of code can create a visually appealing and functional user interface.
• 😀 Further customization and functionality can be added to the app by exploring additional Flutter widgets and concepts.

Questions & Answers

Q: How can I add a title to the app bar in a Flutter app?

To add a title to the app bar, you can use a Text widget and provide the desired text, such as "Instagram." Save the changes and use hot reload to see the updated app bar with the title.

Q: How can I add a floating action button to my Flutter app?

To add a floating action button, use the Scaffold class and provide a FloatingActionButton widget with the desired properties. You can customize the background color, onPressed event, and other properties.

Q: Can I change the background color of the floating action button?

Yes, you can change the background color of the floating action button by specifying the color property in the FloatingActionButton widget. You can select any color you prefer.

Q: How do I specify the onPressed event for the floating action button?

To specify the onPressed event for the floating action button, you need to provide a void callback function. This function will be executed when the button is pressed. You can define any desired functionality within this function.

Summary & Key Takeaways

• The video discusses how to create a Flutter app with a top app bar and a floating action button.

• To add a title to the app bar, a Text widget can be used with the desired text, such as "Instagram."

• The video demonstrates how to use the Scaffold class to add the floating action button and customize its properties.