Added new animated text - Flicker Animation

README.md

@@ -230,6 +230,42 @@ Row(
 
 **Note:** You can override transition height by setting the value of parameter `transitionHeight` for RotateAnimatedTextKit class.
 
+## Flicker
+
+<img src="https://github.com/aagarwal1012/Animated-Text-Kit/blob/master/display/flicker.gif?raw=true" align = "right" height = "300px">
+
+```dart
+const _flickerTextStyle = TextStyle(fontSize: 35, shadows: [
+  Shadow(
+    blurRadius: 7.0,
+    color: Colors.white,
+    offset: Offset(0, 0),
+  ),
+]);
+return SizedBox(
+  width: 250.0,
+  child: AnimatedTextKit(
+    animatedTexts: [
+      FlickerAnimatedText(
+        'Flicker Frenzy',
+        textStyle: _flickerTextStyle,
+      ),
+      FlickerAnimatedText(
+        'Night Vibes On',
+        textStyle: _flickerTextStyle,
+      ),
+      FlickerAnimatedText(
+        "C'est La Vie !",
+        textStyle: _flickerTextStyle,
+      ),
+    ],
+    onTap: () {
+      print("Tap Event");
+    },
+  ),
+);
+```
+
 ## Fade
 
 <img src="https://github.com/aagarwal1012/Animated-Text-Kit/blob/master/display/fade.gif?raw=true" align = "right" height = "300px">

example/lib/main.dart

@@ -111,6 +111,14 @@ const _colorizeTextStyle = TextStyle(
   fontFamily: 'Horizon',
 );
 
+const _flickerTextStyle = TextStyle(fontSize: 35, shadows: [
+  Shadow(
+    blurRadius: 7.0,
+    color: Colors.white,
+    offset: Offset(0, 0),
+  ),
+]);
+
 // Colorize Colors
 const _colorizeColors = [
   Colors.purple,
@@ -168,6 +176,18 @@ List<AnimatedTextExample> animatedTextExamples({VoidCallback? onTap}) =>
           ],
         ),
       ),
+      AnimatedTextExample(
+        label: 'Flicker',
+        color: Colors.pink[300],
+        child: AnimatedTextKit(
+          animatedTexts: [
+            FlickerAnimatedText('Flicker Frenzy', textStyle: _flickerTextStyle),
+            FlickerAnimatedText('Night Vibes On', textStyle: _flickerTextStyle),
+            FlickerAnimatedText("C'est La Vie !", textStyle: _flickerTextStyle),
+          ],
+          onTap: onTap,
+        ),
+      ),
       AnimatedTextExample(
         label: 'Fade',
         color: Colors.brown[600],

lib/animated_text_kit.dart

@@ -10,3 +10,4 @@ export 'src/colorize.dart';
 export 'src/scale.dart';
 export 'src/text_liquid_fill.dart';
 export 'src/wavy.dart';
+export 'src/flicker.dart';

lib/src/flicker.dart

@@ -0,0 +1,98 @@
+import 'package:flutter/material.dart';
+import 'animated_text.dart';
+
+/// Animated Text that displays a [Text] element, as a flickering glow text.
+///
+/// ![Flicker example](https://raw.githubusercontent.com/aagarwal1012/Animated-Text-Kit/master/display/flicker.gif)
+class FlickerAnimatedText extends AnimatedText {
+  /// Marks ending of flickering entry interval of text
+  final double entryEnd;
+  final Duration speed;
+
+  FlickerAnimatedText(
+    String text, {
+    TextAlign textAlign = TextAlign.start,
+    TextStyle? textStyle,
+    this.speed = const Duration(milliseconds: 1600),
+    this.entryEnd = 0.5,
+  }) : super(
+          text: text,
+          textStyle: textStyle,
+          duration: speed,
+        );
+
+  late Animation<double> _entry;
+
+  @override
+  void initAnimation(AnimationController controller) {
+    _entry = Tween<double>(begin: 0.0, end: 1.0).animate(
+      CurvedAnimation(
+        parent: controller,
+        curve: Interval(0.0, entryEnd, curve: Curves.bounceIn),
+      ),
+    );
+  }
+
+  @override
+  Widget completeText(BuildContext context) => SizedBox.shrink();
+
+  @override
+  Widget animatedBuilder(BuildContext context, Widget? child) {
+    return Opacity(
+      opacity: _entry.value != 1.0 ? _entry.value : _entry.value,
+      child: textWidget(text),
+    );
+  }
+}
+
+@Deprecated('Use AnimatedTextKit with FlickerAnimatedText instead.')
+class FlickerAnimatedTextKit extends AnimatedTextKit {
+  FlickerAnimatedTextKit({
+    Key? key,
+    required List<String> text,
+    TextAlign textAlign = TextAlign.start,
+    TextStyle? textStyle,
+    TextDirection textDirection = TextDirection.ltr,
+    Duration speed = const Duration(milliseconds: 1600),
+    double entryEnd = 0.5,
+    VoidCallback? onTap,
+    void Function(int, bool)? onNext,
+    void Function(int, bool)? onNextBeforePause,
+    VoidCallback? onFinished,
+    bool isRepeatingAnimation = true,
+    int totalRepeatCount = 3,
+    bool repeatForever = false,
+    bool displayFullTextOnTap = false,
+    bool stopPauseOnTap = false,
+  }) : super(
+          key: key,
+          animatedTexts:
+              _animatedTexts(text, textAlign, textStyle, speed, entryEnd),
+          onTap: onTap,
+          onNext: onNext,
+          onNextBeforePause: onNextBeforePause,
+          onFinished: onFinished,
+          isRepeatingAnimation: isRepeatingAnimation,
+          totalRepeatCount: totalRepeatCount,
+          repeatForever: repeatForever,
+          displayFullTextOnTap: displayFullTextOnTap,
+          stopPauseOnTap: stopPauseOnTap,
+        );
+
+  static List<AnimatedText> _animatedTexts(
+    List<String> text,
+    TextAlign textAlign,
+    TextStyle? textStyle,
+    Duration speed,
+    double entryEnd,
+  ) =>
+      text
+          .map((_) => FlickerAnimatedText(
+                _,
+                textAlign: textAlign,
+                textStyle: textStyle,
+                speed: speed,
+                entryEnd: entryEnd,
+              ))
+          .toList();
+}

test/smoke_test.dart

@@ -35,6 +35,16 @@ void main() {
     var tapped = false;
 
     final tapableWidgets = <Widget>[
+      // ignore: deprecated_member_use_from_same_package
+      FlickerAnimatedTextKit(
+        text: tripleText,
+        textStyle: textStyle,
+        displayFullTextOnTap: true,
+        onTap: () {
+          tapped = true;
+        },
+      ),
+
       // ignore: deprecated_member_use_from_same_package
       ColorizeAnimatedTextKit(
         text: tripleText,