WidgetUtil class
Widget Util.
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
asyncPrepare(
BuildContext context, bool isOnce, ValueChanged< Rect> ? onCallBack) → void - Widget rendering listener. Widget渲染监听. context: Widget context. isOnce: true,Continuous monitoring false,Listen only once. onCallBack: Widget Rect CallBack.
-
asyncPrepares(
bool isOnce, ValueChanged< Rect> ? onCallBack) → void - Widget渲染监听.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
getImageWH(
{Image? image, String? url, String? localUrl, String? package, ImageConfiguration? configuration}) → Future< Rect> - Suggest use ImageUtil instead.
-
getImageWHE(
{Image? image, String? url, String? localUrl, String? package, ImageConfiguration? configuration}) → Future< Rect> - Suggest use ImageUtil instead.
-
getRenderBox(
BuildContext context) → RenderBox? -
getWidgetBounds(
BuildContext context) → Rect - get Widget Bounds (width, height, left, top, right, bottom and so on).Widgets must be rendered completely. 获取widget Rect
-
getWidgetLocalToGlobal(
BuildContext context) → Offset - Get the coordinates of the widget on the screen.Widgets must be rendered completely. 获取widget在屏幕上的坐标,widget必须渲染完成