Like Button is a flutter library that allows you to create a button with animation effects similar to Twitter's heart when you like something and animation effects to increase like count.
Reference codes from jd-alexander and 吉原拉面 ,thank them for open source code.
the default effects is Icons.favorite
LikeButton(),and you can also define custom effects.
LikeButton(
size: buttonSize,
circleColor:
CircleColor(start: Color(0xff00ddff), end: Color(0xff0099cc)),
bubblesColor: BubblesColor(
dotPrimaryColor: Color(0xff33b5e5),
dotSecondaryColor: Color(0xff0099cc),
),
likeBuilder: (bool isLiked) {
return Icon(
Icons.home,
color: isLiked ? Colors.deepPurpleAccent : Colors.grey,
size: buttonSize,
);
},
likeCount: 665,
countBuilder: (int count, bool isLiked, String text) {
var color = isLiked ? Colors.deepPurpleAccent : Colors.grey;
Widget result;
if (count == 0) {
result = Text(
"love",
style: TextStyle(color: color),
);
} else
result = Text(
text,
style: TextStyle(color: color),
);
return result;
},
), LikeButton(
onTap: onLikeButtonTapped,
), Future<bool> onLikeButtonTapped(bool isLiked) async{
/// send your request here
// final bool success= await sendRequest();
/// if failed, you can do nothing
// return success? !isLiked:isLiked;
return !isLiked;
}| parameter | description | default |
|---|---|---|
| size | size of like widget | 30.0 |
| animationDuration | animation duration to change isLiked state | const Duration(milliseconds: 1000) |
| bubblesSize | total size of bubbles | size * 2.0 |
| bubblesColor | colors of bubbles | const BubblesColor(dotPrimaryColor: const Color(0xFFFFC107),dotSecondaryColor: const Color(0xFFFF9800),dotThirdColor: const Color(0xFFFF5722),dotLastColor: const Color(0xFFF44336),) |
| circleSize | final size of circle | size * 0.8 |
| circleColor | colors of circle | const CircleColor(start: const Color(0xFFFF5722), end: const Color(0xFFFFC107) |
| onTap | tap call back of like button，you can handle your request in this call back | |
| isLiked | whether it is liked(if it's null, always show like animation and increase like count) | false |
| likeCount | if null, will not show) | null |
| mainAxisAlignment | MainAxisAlignment for like button | MainAxisAlignment.center |
| likeBuilder | builder to create like widget | null |
| countBuilder | builder to create like count widget | null |
| likeCountAnimationDuration | animation duration to change like count | const Duration(milliseconds: 500) |
| likeCountAnimationType | animation type to change like count(none,part,all) | LikeCountAnimationType.part |
| likeCountPadding | padding for like count widget | const EdgeInsets.only(left: 3.0) |
| countPostion | top,right,bottom,left of like button widget | CountPostion.right |
| countDecoration | decoration of like count widget | null |
| postFrameCallback | call back of first frame with LikeButtonState | null |