flutter_dapp

Description:

flutter dapp

flutter_dapp #
A runtime application plugin for flutter. Using js_script for logic script, and xml_layout for UI template.
Usage #
DApp(
// Load main.js and main.xml as the entry widget
entry: '/main',
fileSystems: [
// A file wrap for reading script and template
fileSystem,
],
)
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XML Tags #
scaffold #

Attribute

appBar PreferredSizeWidget
body Widget
floatingActionButton Widget
drawer Widget
endDrawer Widget
bottomNavigationBar Widget
bottomSheet Widget
background Color
resizeToAvoidBottomInset bool


Child Same as the body attribute.

row #

Attributes:

mainAxisAlignment MainAxisAlignment default: MainAxisAlignment.start
mainAxisSize MainAxisSize default: MainAxisSize.max
crossAxisAlignment CrossAxisAlignment default: CrossAxisAlignment.center
verticalDirection VerticalDirection VerticalDirection.down
textDirection TextDirection
textBaseline TextBaseline


Children Widget

column #

Attributes:

mainAxisAlignment MainAxisAlignment default: MainAxisAlignment.start
mainAxisSize MainAxisSize default: MainAxisSize.max
crossAxisAlignment CrossAxisAlignment default: CrossAxisAlignment.center
verticalDirection VerticalDirection VerticalDirection.down
textDirection TextDirection
textBaseline TextBaseline


Children Widget

center #

Attributes:

widthFactor double
heightFactor double


Child Widget

button #

Attributes:

onPressed Void Function
onLongPress Void Function
type DButtonType default: DButtonType.elevated
minimumSize Size
tapTargetSize MaterialTapTargetSize
padding EdgeInsets
color Color


Child Widget

widget #

Description:

Load another dapp widget.


Attibutes:

src String
data any. Pass to the load function as the first argument.



appbar #

Attributes:

leading Widget
actions List<Widget>
bottom PreferredSizeWidget
brightness Brightness
background Color
color Color
height double default: 56


Child Widget

list-view #

Attributes:

builder Widget Function(context, index)
itemCount int default: 0


Children Widget available when builder is null.

list-item #

Description:

Almost same as ListTile in dart, could be used in list-view.


Attributes:

leading Widget
title Widget
subtitle Widget
trailing Widget
onTap Void Function
dense bool
padding EdgeInsets
color Color



img #

Description:

image tag is same as img tag


Attributes:

src String
width double
height double
fit BoxFit default: BoxFit.contain
headers Map

http headers, available when src is net image.


gaplessPlayback bool default: false



callback #

Description:

Generate a Void Function, and pass custom arguments


Attributes:

function String the function name in script.
args List the arguments.



refresh #

Descrition:

Drag down to refresh and load more widget.


Attributes:

loading bool
onRefresh Void Function
onLoadMore Void Function
refreshInset double default: 36


Child Widget the scrollable widget.

tabs #

Descrition:

Wrap of DefaultTabController


Attributes:

scrollable bool default: false
elevation double default: 0
background Color


Children TabItem

tab #

Descrition:

Generate a TabItem


Attributes:

title String
icon Widget


Child Widget

input #

Attributes:

placeholder String
text String
autofocus bool default: false
onChange Void Function(String newText)
onSubmit Void Function(String text)
onFocus Void Function
onBlur Void Function
style TextStyle



icon #

Attributes:

size double
color Color


Child IconData

textstyle #

Description:

Generate a TextStyle


Attributes:

color Color
background Color
size double



stack #

Attributes:

alignment Alignment default: Alignment.topLeft
textDirection TextDirection
fit StackFit default: StackFit.loose
clip Clip default: Clip.hardEdge


Children Widget

view #

Description:

Generate a Container


Attributes:

width double
height double
color Color
animate bool default: false
duration Duration avaiable when animate is true
clip Clip default: Clip.none
border Border
radius BorderRadius
gradient Gradient
padding EdgeInsets
alignment Alignment
margin EdgeInsets



Border #

Attributes:

top BorderSide default: BorderSide.none
right BorderSide default: BorderSide.none
bottom BorderSide default: BorderSide.none
left BorderSide default: BorderSide.none



Border.all #

Attributes:

color Color default: Colors.black
width double default: 1.0
style BorderStyle default: BorderStyle.none



Border.symmetric #

Attributes:

vertical BorderSide default: BorderSide.none
horizontal BorderSide default: BorderSide.none



LinearGradient #

Attributes:

begin Alignment default: Alignment.centerRight
end Alignment default: Alignment.centerRight
colors List<Color>
stops List<double>
mode TileMode default: TileMode.clamp



RadialGradient #

Attributes:

center Alignment default: Alignment.center
radius double default: 0.5
colors List<Color>
stops List<double>
mode TileMode default: TileMode.clamp
focal Alignment
focalRadius double default: 0



slivers #

Description:

Wrap of CustomScrollView


Attributes:

direction Axis default: Axis.vertical
reverse bool default: false


Children Widget

sliver-list-view #

Attrbutes:

builder Widget Function(context, index)
itemCount int default: 0


Children Widget available when builder is null.

sliver-appbar #

Attrbutes:

leading Widget
actions List<Widget>
bottom PreferredSizeWidget
brightness Brightness
background Color
color Color
floating bool default: false
expandedHeight double


Child Widget as the title of AppBar

FlexibleSpaceBar #

Attributes:

padding EdgeInsets
background Widget
center bool
mode CollapseMode default: CollapseMode.parallax


Child Widget as the title

sliver-container #

Child Widget

text #

Attributes:

lines int
overflow TextOverflow


Children InlineSpan or text

span #

Description:

Generate a TextSpan when child is text or List<TextSpan>, Generate a WidgetSpan when child is Widget.



Expanded #

Attributes:

flex int default: 1



Divider #

Attributes:

type String options: vertical, horizontal
width double available when type is vertical
height double available when type is horizontal
thickness double
indent double
endIndent double



menu-button #

Description:

A wrap of PopupMenuButton in flutter


Attributes:

onSelected PopupMenuItemSelected
onCanceled PopupMenuCanceled
items List<PopupMenuEntry>
padding EdgeInsets default: EdgeInsets.all(8.0)
tooltip String
elevation double
icon Widget
iconSizedouble
offset Offset default: Offset.zero
enabled bool default: true
color Color


Child Widget

menu-item #

Description:

A wrap of PopupMenuItem in flutter


Attributes:

value any
enabled bool default: true
height double default: kMinInteractiveDimension
padding EdgeInsets
style TextStyle
color Color
size double


Child Widget

menu-divider #

Description:

A wrap of PopupMenuDivider in flutter


Attributes:

height double default: 16



switch #

Description:

A wrap of AnimatedSwitcher in flutter


Attributes:

duration Duration default: Duration(milliseconds: 300)
axis Axis default: Axis.vertical


Child Widget

grid-view #

Description:

A wrap of GridView in flutter


Attributes:

builder IndexedWidgetBuilder
itemCount int default: 0 Available when builder is not null
padding EdgeInsets default: EdgeInsets.zero
crossAxisCount int default: 4
childAspectRatio double default: 1


Children Widget Available when builder is null

sliver-grid-view #

Description:

A wrap of SliverGridView in flutter


Attributes:

builder IndexedWidgetBuilder
itemCount int default: 0 Available when builder is not null
crossAxisCount int default: 4
childAspectRatio double default: 1


Children Widget Available when builder is null

Extended inline method #
js(method, arguments...) #
<if candidate="js(isFavorate)">
<view color="red"/>
</if>
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Description:

Call method define in the js script.



array(arguments...) #
<callback function="getItem" array="array(arg1, arg2)"/>
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Description:

Convert arguments to a List.



length(list) #

Description:

Get length of list.



isNull(obj) #
isNotNull(obj) #
switch(test, a, b) #

Description:

return a if test equal true, otherwise return b.