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Description:

circular countdown timer

Circular Countdown Timer #
Make an animated circular countdown using Circular Countdown Timer.
Getting Started #
To use this plugin, add circular_countdown_timer as a dependency in your pubspec.yaml file.
Features #

Forward Countdown Timer.
Reverse Countdown Timer.
Start, Pause, Resume, Restart and Reset Timer.

Usage #
CircularCountDownTimer(
duration: 10,
initialDuration: 0,
controller: CountDownController(),
width: MediaQuery.of(context).size.width / 2,
height: MediaQuery.of(context).size.height / 2,
ringColor: Colors.grey[300]!,
ringGradient: null,
fillColor: Colors.purpleAccent[100]!,
fillGradient: null,
backgroundColor: Colors.purple[500],
backgroundGradient: null,
strokeWidth: 20.0,
strokeCap: StrokeCap.round,
textStyle: TextStyle(
fontSize: 33.0, color: Colors.white, fontWeight: FontWeight.bold),
textAlign: TextAlign.center,
textFormat: CountdownTextFormat.S,
isReverse: false,
isReverseAnimation: false,
isTimerTextShown: true,
autoStart: false,
onStart: () {
debugPrint('Countdown Started');
},
onComplete: () {
debugPrint('Countdown Ended');
},
onChange: (String timeStamp) {
debugPrint('Countdown Changed $timeStamp');
},
timeFormatterFunction: (defaultFormatterFunction, duration) {
if (duration.inSeconds == 0) {
return "Start";
} else {
return Function.apply(defaultFormatterFunction, [duration]);
}
},
);
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Parameters #

Name
Type
Default Value
Description

key
Key
null
Key for Countdown Timer.

duration
int
null
Countdown duration in Seconds.

initialDuration
int
0
Countdown initial elapsed Duration in Seconds.

controller
CountDownController
null
Controls (i.e Start, Pause, Resume, Restart) the Countdown Timer.

width
double
null
Width of the Countdown Widget.

height
double
null
Height of the Countdown Widget.

ringColor
Color
null
Ring Color for Countdown Widget.

ringGradient
Gradient
null
Ring Gradient for Countdown Widget. Note that ringColor will not be effective if gradient is provided.

fillColor
Color
null
Filling Color for Countdown Widget.

fillGradient
Gradient
null
Filling Gradient for Countdown Widget. Note that fillColor will not be effective if gradient is provided.

backgroundColor
Color
null
Background Color for Countdown Widget.

backgroundGradient
Gradient
null
Background Gradient for Countdown Widget. Note that backgroundColor will not be effective if gradient is provided.

strokeWidth
double
5.0
Border Thickness of the Countdown Ring.

strokeCap
StrokeCap
StrokeCap.butt
Begin and end contours with a flat edge and no extension.

textStyle
TextStyle
TextStyle(fontSize: 16.0,color: Colors.black,)
Text Style for Countdown Text.

textFormat
String
null
Format for the Countdown Text.

isReverse
bool
false
Handles Countdown Timer (true for Reverse Countdown (max to 0), false for Forward Countdown (0 to max)).

isReverseAnimation
bool
false
Handles Animation Direction (true for Reverse Animation, false for Forward Animation).

isTimerTextShown
bool
true
Handles visibility of the Countdown Text.

autoStart
bool
true
Handles the timer start.

onStart
VoidCallback
null
This Callback will execute when the Countdown Starts.

onComplete
VoidCallback
null
This Callback will execute when the Countdown Ends.

onChange
ValueChanged<String>
null
This Callback will execute when the Countdown Changes.

timeFormatterFunction
Function(Function(Duration duration) defaultFormatterFunction,Duration duration)
null
This Callback allows you to format the current duration to any String in Countdown Widget.

Demo #

Youtube #
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