PreviewView class Null safety
The 'preview' for a screen which displays the messages current and future.
From the preview, messages can be added, edited, deleted and scheduled. Messages can be instead created from templates to save time. The preview also facilitates positioning of messages by dragging and adjusting the zoom scale.
- Inheritance
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- PreviewView
Constructors
- PreviewView({Key? key, required String screenToken, required double screenWidth, required double screenHeight, required String screenName, required bool isOnline})
-
Creates a PreviewView to view a 'preview' of a screen.
const
Properties
- hashCode → int
-
The hash code for this object. [...]
@nonVirtual, read-only, inherited
- isOnline → bool
-
The online status of the screen. [...]
final
- key → Key?
-
Controls how one widget replaces another widget in the tree. [...]
final, inherited
- runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
- screenHeight → double
-
The logical pixel height of the screen.
final
- screenName → String
-
The screen's name. [...]
final
- screenToken → String
-
The token of the screen to display.
final
- screenWidth → double
-
The logical pixel width of the screen.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree. [...]
inherited
-
createState(
) → _PreviewViewState -
Creates the mutable state for this widget at a given location in the tree. [...]
override
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of
DiagnosticsNodeobjects describing this node's children. [...]@protected, inherited -
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node. [...]
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed. [...]
inherited
-
toDiagnosticsNode(
{String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode -
Returns a debug representation of the object that is used by debugging
tools and by DiagnosticsNode.toStringDeep. [...]
inherited
-
toString(
{DiagnosticLevel minLevel = DiagnosticLevel.info}) → String -
A string representation of this object. [...]
inherited
-
toStringDeep(
{String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String -
Returns a string representation of this node and its descendants. [...]
inherited
-
toStringShallow(
{String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String -
Returns a one-line detailed description of the object. [...]
inherited
-
toStringShort(
) → String -
A short, textual description of this widget.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator. [...]
@nonVirtual, inherited