Power of BuildContext in Flutter

BuildContext? How is that important? I feel it’s completely useless. Let’s check it out!

Many Flutter Developers feel that BuildContext is not particularly useful, as it is used rarely. I also thought the same when I started working on Flutter. It’s a widespread mistake that devs make during the start of their Flutter journey. However, BuildContext is one of the most important classes in a Flutter app’s lifecycle. Let’s see how we can efficiently use BuildContext!

What is BuildContext?

Before jumping into anything, let’s first understand what exactly BuildContext mean. Theoretically, according to the documentation, BuildContext is a handle to the location of a widget in the widget tree.

In simple terms, it’s your house’s address. When there’s a parcel, the delivery person doesn’t know you, but he has your address. So your parcel can get delivered correctly to you!
In the same way, BuildContext is the key or address to your widget in the widget tree. Now, if you don’t know what Widget Tree is (or different trees in Flutter), check this article and then come back to understand BuildContext more properly. Now, back to BuildContext; each widget has its own BuildContext (the way each house has its own address), which becomes the parent of the…