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NeoPop is CRED's inbuilt library for using NeoPop components in your app.

NeoPOP #

NeoPOP is CRED's inbuilt library for using NeoPOP components in your app.

What really is NeoPOP? #

NeoPOP was created with one simple goal; to create the next generation of a beautiful, affirmative design system. NeoPOP stays true to everything that design at CRED stands for.

NeoPOP is built for Android, iOS, Flutter and Web

NeoPOP Banner

Installation #

Add neopop as a dependency in your pubspec.yaml file.

dependencies:
    neopop: ^1.0.2

NeoPopButton #

Configs NeoPopButton render 5 surfaces, top, left, right, bottom and center. NeoPopButton widget gives you mutliple configs that you can use for your widget.

Elevated #

Elevated elevated

NeoPopButton(
    color: Colors.white,
    onTapUp: () => HapticFeedback.vibrate(),
    onTapDown: () => HapticFeedback.vibrate(),
    child: Padding(
        padding: EdgeInsets.symmetric(horizontal: 20, vertical: 15),
        child: Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
                Text("Pay now"),
            ],
        ),
    ),
),

Flat #

Flat flatButton

By specifying the buttonPosition as Position.center, NeoPOP will compute right and bottom surface's color according to color. Top and left surface's color is computed w.r.t parentColor and grandparentColor

NeoPopButton(
    color: Colors.white,
    onTapUp: () => HapticFeedback.vibrate(),
    onTapDown: () => HapticFeedback.vibrate(),
    parentColor: Colors.transparent,
    buttonPosition: Position.center,
    child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 15),
        child: Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: const [
                Text("Pay Now"),
            ],
        ),
    ),
),

Shimmer #

const NeoPopShimmer(
    shimmerColor: Colors.yellow,
    child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 100, vertical: 15),
        child: Text("Hello"),
    ),
),

Flat Strokes #

Flat Strokes flatStroked

To add border on a flat button, add border

NeoPopButton(
    color: const Color.fromRGBO(0, 0, 0, 1),
    buttonPosition: Position.center,
    onTapUp: () {},
    border: const Border.fromBorderSide(
        BorderSide(color: kBorderColorWhite, width: kButtonBorderWidth),
    ),
    child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 15),
        child: Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: const [
                Text("Pay Now", style: TextStyle(color: Colors.white)),
            ],
        ),
    ),
),

Elevated Strokes #

Elevated Strokes elevatedStroked

NeoPopButton(
    color: kSecondaryButtonLightColor,
    bottomShadowColor: ColorUtils.getVerticalShadow(kBorderColorGreen).toColor(),
    rightShadowColor: ColorUtils.getHorizontalShadow(kBorderColorGreen).toColor(),
    animationDuration: kButtonAnimationDuration,
    depth: kButtonDepth,
    onTapUp: () {},
    border: Border.all(
        color: kBorderColorGreen,
        width: kButtonBorderWidth,
    ),
    child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 15),
        child: Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: const [
                Text("Scan & Pay", style: TextStyle(color: Colors.white)),
            ],
        ),
    ),
),

Adjacent Buttons #

Adjacent Buttons

Vertically Aligned Buttons #

Column(
    mainAxisSize: MainAxisSize.min,
    children: [
        NeoPopButton(
        color: kSecondaryButtonLightColor,
        bottomShadowColor: kShadowColorDarkGreen,
        rightShadowColor: kShadowColorGreen,
        buttonPosition: Position.fullBottom,
        onTapUp: () {},
        border: Border.all(
            color: kBorderColorGreen, width: kButtonBorderWidth,
        ),
        child:  const Padding(
                    padding: EdgeInsets.symmetric(horizontal: 8.0, vertical: 15.0),
                    child: Text(
                    "Button",
                    style: TextStyle(color: Colors.white),
                ),
            ),
        ),
        NeoPopButton(
            color: kPrimaryButtonColor,
            buttonPosition: Position.fullBottom,
            onTapUp: () {},
            child:  const Padding(
                padding: EdgeInsets.symmetric(horizontal: 8.0, vertical: 15.0),
                child: Text("Button"),
            ),
        ),
    ],
),

Horizontally Aligned Buttons #

Row(
    mainAxisSize: MainAxisSize.min,
    children: [
        Expanded(
        child: NeoPopButton(
            color: kPrimaryButtonColor,
            buttonPosition: Position.fullBottom,
            depth: kButtonDepth,
            onTapUp: () {},
            child: const Center(
            child:  Padding(
                    padding: EdgeInsets.symmetric(
                        horizontal: 8.0, vertical: 15.0),
                    child: Text("Button"),
                    ),
                ),
            ),
        ),
        Expanded(
            child: NeoPopButton(
                color: kSecondaryButtonLightColor,
                bottomShadowColor: kShadowColorDarkGreen,
                rightShadowColor: kShadowColorGreen,
                buttonPosition: Position.fullBottom,
                depth: kButtonDepth,
                onTapUp: () {},
                border: Border.all(
                    color: kBorderColorGreen, width: kButtonBorderWidth,
                ),
                child: const Center(
                child: Padding(
                    padding: EdgeInsets.symmetric( horizontal: 8.0, vertical: 15.0),
                    child: Text(
                            "Button",
                            style: TextStyle(color: Colors.white),
                        ),
                    ),
                ),
            ),
        ),
    ],
),

NeoPopButton Attributes #

AttributeTypeDescription
childWidgetThe child of button widget
colorColorColor of the button
depthdoubleThe depth of the button if it is elevated
onTapUpVoidCallback?Callback triggered when the forward & reverse button animation is finished
onTapDownVoidCallback?Callback triggered as soon as the user clicks the enabled button
onLongPressVoidCallback?Callback triggered when user has long pressed the cta
disabledColorColorColor of the button when it is disabled
parentColorColorButton's immediate ancestor's color
grandparentColorColorButton's second level ancestor's color
buttonPositionPositionThe position of button in reference to parent view. default - Position.fullBottom
animationDurationDurationAnimation duration of the button click. default - const Duration(milliseconds: 50)
forwardDurationDuration?If you want different forward duration for button click, use forwardDuration
reverseDurationDuration?If you want different reverse duration for button click, use reverseDuration
borderBorder?The border to be painted around the button
enabledboolIf set to false, the button will be disabled. default - true
shadowColorColor?The base color of the shadow. The shadow colors will be derived from this
rightShadowColorColor?The color of the right shadow.
leftShadowColorColor?The color of the left shadow.
topShadowColorColor?The color of the top shadow.
bottomShadowColorColor?The color of the bottom shadow.

NeoPopTiltedButton #

NeoPopTiltedButton

Non Floating #

Non Floating tiltNonFloating

 NeoPopTiltedButton(
    color: kPrimaryButtonColor,
    onTapUp: () {},
    child: Padding(
        padding: const EdgeInsets.symmetric(
        horizontal: 80.0,
        vertical: 15,
        ),
        child: SvgPicture.asset('assets/svg/cta_text_view.svg'),
    ),
),

Floating #

Floating tiltFloating

NeoPopTiltedButton(
    isFloating: true,
    onTapUp: () => HapticFeedback.vibrate(),
    onTapDown: () => HapticFeedback.vibrate(),
    decoration: const NeoPopTiltedButtonDecoration(
        color: kPopYellowColor,
        plunkColor: kPlunkColorYellow,
        shadowColor: kTiltedButtonShadowColor,
    ),
    child: Padding(
        padding: const EdgeInsets.symmetric(
        horizontal: 70.0,
        vertical: 15,
        ),
        child: SvgPicture.asset('assets/svg/cta_text_play_now.svg'),
    ),
),

Strokes #

Strokes TiltStroked

NeoPopTiltedButton(
    isFloating: true,
    onTapUp: () {},
    decoration: const NeoPopTiltedButtonDecoration(
        color: Color(0xFF0D0D0D),
        plunkColor: Color(0xFF3F6915),
        shadowColor: Colors.black,
        border: Border.fromBorderSide(
        BorderSide(color: Color(0xFF8DD04A), width: 1),
        ),
    ),
    child: const Padding(
        padding: EdgeInsets.symmetric(horizontal: 70.0, vertical: 15),
        child: Text('Play Now', style: TextStyle(color: Colors.white)),
    ),
),

Shimmer #

shimmer

NeoPopTiltedButton(
    isFloating: true,
    onTapUp: () {},
    decoration: const NeoPopTiltedButtonDecoration(
        color: Color.fromRGBO(255, 235, 52, 1),
        plunkColor: Color.fromRGBO(255, 235, 52, 1),
        shadowColor: Color.fromRGBO(36, 36, 36, 1),
        showShimmer: true,
    ),
    child: const Padding(
        padding: EdgeInsets.symmetric(
        horizontal: 70.0,
        vertical: 15,
        ),
        child: Text('Play Now'),
    ),
),

NeoPopTiltedButton Attributes #

AttributeTypeDescription
childWidgetThe child of the button
colorColor?Color of the button
decorationNeoPopTiltedButtonDecoration?The decoration to paint the button. The color and decoration arguments cannot both be supplied, since it would potentially result in the decoration drawing over the background color. To supply a decoration with a color, use decoration.
buttonDepthdouble?The depth of the tilted button. default: 8.0
onTapUpVoidCallback?A callback triggered when a pointer that will trigger a tap with button has stopped contacting the screen
onTapDownVoidCallback?A callback triggered when a pointer that might cause a tap with button has contacted the screen
shadowDistancedouble?The maximum distance from the button at which the shadow is painted. default: 20
yPosFactordouble?Factor that defines the floating positions of buttons and shadow along vertical-axis. default: 5
isFloatingboolWhether the button is floating. default: false
floatingDurationDuration?The duration of the floating animation. One floating cycle i.e to-and-fro movement of the button and shadow accounts for two floating durations. default: Duration(milliseconds: 1500)
floatingDelayDuration?The delay between two floating cycles. default: Duration(milliseconds: 750)
tapDurationDuration?The duration of the animation when button is pressed or released. default: Duration(milliseconds: 100)
enabledboolWhether the button is enabled. default: true

Contributing #

Pull requests are welcome! We'd love help improving this library. Feel free to browse through open issues to look for things that need work. If you have a feature request or bug, please open a new issue so we can track it.

License #

Copyright 2022 Dreamplug Technologies Private Limited.  
  
Licensed under the Apache License, Version 2.0 (the "License");  
you may not use this file except in compliance with the License.  
You may obtain a copy of the License at  
  
 http://www.apache.org/licenses/LICENSE-2.0  
Unless required by applicable law or agreed to in writing, software  
distributed under the License is distributed on an "AS IS" BASIS,  
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  
See the License for the specific language governing permissions and  
limitations under the License.  
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NeoPop is CRED's inbuilt library for using NeoPop components in your app.

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License

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flutter

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