This is Part 4 in the series where I’ll cover all the Flutter widgets that are in this YouTube playlist. I have created my own widget guide which I believe will help people who are new in this space. Please have a look at this GitHub project to explore all the amazing widgets.
Click here to ⏬ the App available on Google Play Store. 📱
My main motive behind this series is to keep things to the point. Your time is precious, let’s not waste it and get started.
Having animations in your app can enhance the overall experience of your application. Creating an animation has always been a hassle in android and I always looked for libraries to achieve the desired result. Even simple animations were sometimes complicated to work around with and that ruined the overall experience for me as a developer.
Want your widget to animate as it changes its color? Want your widget to change its position or its dimensions with a smooth animation? Flutter has you covered with a very simple solution.
1 | What?
There are two types of animations in the Flutter 🌍. We have Explicit Animations, ones that you create on your own and the other kind is Implicit Animations (e.g. AnimatedContainer) that does the job for you. Wrap your widget with the AnimatedContainer and you are good to go. This widget helps you animate the changes in properties like background color, border, shape, size, etc. You can control the duration of the animation. You can also set different effects, basically the way your animation works, with the curve parameter.
For this, I have replicated the animation shown on this link.
2 | Wondering how it works?
Have a look at the Code snippet below.
Below is the visual representation of the code above.
3 | Explanation
In the above example, we have three AnimatedContainers. All three experience an animated change in one of their properties — the first in the color, the second in the alignment and the third in its dimensions. The length of all 3 animations is the same i.e. 2 seconds. The curve property is set to fast out slow in to give a smooth animation effect. The change in properties is controlled by the FAB button at the bottom of the screen and every property is dependent on the _isAnimated bool with initial value set to false.
Flutter has other Implicit Animated Widgets in store for you that can be used to animate a specific property like — AnimatedPadding, AnimatedPositioned, AnimatedAlign, AnimatedSwitcher, and AnimatedCrossFade.
Flutter Widget Guide — Wrap Widget in 5 mins or less.
This is Part 3 in the series where I’ll cover all the Flutter widgets that are in this YouTube playlist. I have created…
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