Barra Inferior em Forma

shaped bottom bar

A new bottom bar in Flutter! a shaped bottom bar.

Choose your shape and your animation and let us do the work.

• Installation
• Widgets introduction
• Example

Installing

Add this line to pubspec

dependencies:
	shaped_bottom_bar: ^1.1.0

Widgets

ShapedBottomBar This the main widget that will create the bottom bar.

With just two required parameters you get a full bottom bar.

required parameters

• onItemChanged function that trigger every time you switch between items

• listItems list of type ShapedItemObject that will be rendered in the bottom bar

this will create a simple bottom bar without any shape with just a different color for the selected item

Other parameters

• shape variable of type ShapeType enum contains all available shapes, by default it's set to None

• shapeColor the color of the shape once it selected, by default it's null

• customShape a CustomPaint type passed to the bottom bar to render a custom shape other than the built-in shapes, to use the customShape you need to set shape to ShapeType.CUSTOM

PS: if you are using customShape the shapeColor parameter won't have any effect on your shape.

• selectedIconColor the selected icon color, by default it's white

• backgroundColor the background of the shaped bottom bar, by default it's blue

• selectedItemIndex the default selected item, by default it's the first one (index 0)

• textStyle the text style you want to have on the items text (color, size, font family...)

• animationType attribute of type ANIMATION_TYPE let you choose the animation type possible values:

  • NONE
  • ROTATE
  • FADE
  • SLIDE_VERTICALLY

• with3dEffect enable/disable the 3D effect on bottom bar selected shape by default it's False

---

ShapedBottomBarItem the widget that will be used in the listItems parameters in the ShapedBottomBar widget

This widget contains just four parameters.

required parameters

• icon variable of type IconData it represent the icon that the item will get

Other parameters

• text the item text, by default it's an empty text.

• themeColor color that will be set to the icon. by default it's black

• renderWithText by default it's false, this will indicate whether the widget will render the text or not.

Example

this will generate a normale bottom bar without any shape.

ShapedBottomBar(
	backgroundColor:  Colors.grey,
	listItems: [
		ShapedItemObject(iconData:  Icons.settings, title:  "Settings"),
		ShapedItemObject(iconData:  Icons.account_balance_outlined, title:  "Account"),
		ShapedItemObject(iconData:  Icons.verified_user_rounded, title:  "User"),
		ShapedItemObject(iconData:  Icons.login, title:  "Logout")
	],
	onItemChanged: (position) {
		setState(() {
			this.selectedItem = position;
		});
	},
	selectedIconColor:  Colors.white
)

And the example below will generate a bottom bar with an hexagon shape

ShapedBottomBar(
	backgroundColor:  Colors.grey,
	iconsColor:  Colors.white,
	listItems: [
		ShapedItemObject(iconData:  Icons.settings, title:  "Settings"),
		ShapedItemObject(iconData:  Icons.account_balance_outlined, title:  "Account"),
		ShapedItemObject(iconData:  Icons.verified_user_rounded, title:  "User"),
		ShapedItemObject(iconData:  Icons.login, title:  "Logout"),
	],
	onItemChanged: (position) {
		setState(() {
			this.selectedItem = position;
		});
	},
	shapeColor:  Colors.pink,
	selectedIconColor:  Colors.white,
	shape:  ShapeType.HEXAGONE
)

Use your own custom shape

In order to create the shaped bottom bar with your own custom shape you need to use the parameter customShape with shape set to ShapeType.CUSTOM, as it shown below:

ShapedBottomBar(
	backgroundColor:  Colors.blue[50],
	iconsColor:  Color(0xFF020750),
	listItems: [
		ShapedItembject(iconData:  Icons.settings, title:  "Settings"),
		ShapedItemObject(iconData:  Icons.account_balance_outlined, title:  "Account"),
		ShapedItemObject(iconData:  Icons.verified_user_rounded, title:  "User"),
		ShapedItemObject(iconData:  Icons.login, title:  "Logout"),
	],
	onItemChanged: (position) {
		setState(() {
			this.selectedItem = position;
		});
	},
	textStyle:  TextStyle(color:  Colors.black, fontSize:  15),
	shape:  ShapeType.CUSTOM,
	customShape:  CustomPaint(
		painter:  MyShape(),
	))

Use built-in animations

ShapedBottomBar(
	backgroundColor:  Colors.black12,
	iconsColor:  Colors.black,
	listItems: [
		ShapedItemObject(iconData:  Icons.alarm, title:  "Alarm"),
		ShapedItemObject(iconData:  Icons.menu_book, title:  "Menu"),
		ShapedItemObject(iconData:  Icons.verified_user_rounded, title:  "User"),
		ShapedItemObject(iconData:  Icons.login, title:  "Logout")
	],
	onItemChanged: (position) {
		setState(() {
			this.selectedItem = position;
		});
	},
	shape:  ShapeType.OCATGON,
	shapeColor:  Colors.black,
	selectedIconColor:  Colors.white,
	animationType:  ANIMATION_TYPE.ROTATE,
)

And the result:

Use 3D Effect Attribute

ShapedBottomBar(
	backgroundColor:  Colors.black12,
	iconsColor:  Colors.black,
	listItems: [
		ShapedItemObject(iconData:  Icons.alarm, title:  "Alarm"),
		ShapedItemObject(iconData:  Icons.menu_book, title:  "Menu"),
		ShapedItemObject(iconData:  Icons.verified_user_rounded, title:  "User"),
		ShapedItemObject(iconData:  Icons.login, title:  "Logout"),
	],
	onItemChanged: (position) {
		setState(() {
			this.selectedItem = position;
		});
	},
	shape:  ShapeType.SQUARE,
	shapeColor:  Colors.pink,
	selectedIconColor:  Colors.white,
	with3dEffect:  true,
	animationType:  ANIMATION_TYPE.FADE
),