Getting Started

Getting Started Creating your first Fyne app Run Fyne Demo Application and RunLoop Updating Content in your GUI Window Handling Testing Graphical Apps Packaging for Desktop Mobile Packaging Run in a Browser App Metadata Distributing to App Stores Compiling for different platforms

Exploring Fyne

Canvas and CanvasObject Container and Layouts Widget List Layout List Dialog List Theme Icons Adding Shortcuts to an App Using the Preferences API Adding app translations System Tray Menu Data Binding Compile Options

Drawing and Animation

Rectangle Text Line Circle Image Raster Gradient Animation

Containers and Layout

Box Grid Grid Wrap Border Form Center Max AppTabs

Widgets

Label Button Entry Choices Form ProgressBar Toolbar

Collections

List Table Tree

Data Binding

Data Binding Binding Simple Widgets Two-Way Binding Data Conversion List Data

Extending Fyne

Building a Custom Layout Writing a Custom Widget Bundling resources Creating a Custom Theme Extending Widgets Numerical Entry

Architecture

Geometry Scaling Widgets Organisation and Packages

Frequently Asked Questions

Layout and Widget Size Theme and Customisation Troubleshooting

API Documentation

Upgrade to v2.5 Fyne API v2.5 app canvas container data/binding

package binding Bool BoolList BoolTree Bytes BytesList BytesTree DataItem DataList DataListener DataMap DataTree ExternalBool ExternalBoolList ExternalBoolTree ExternalBytes ExternalBytesList ExternalBytesTree ExternalFloat ExternalFloatList ExternalFloatTree ExternalInt ExternalIntList ExternalIntTree ExternalRune ExternalRuneList ExternalRuneTree ExternalString ExternalStringList ExternalStringTree ExternalUntyped ExternalUntypedList ExternalUntypedMap ExternalUntypedTree ExternalURI ExternalURIList ExternalURITree Float FloatList FloatTree Int IntList IntTree Rune RuneList RuneTree String StringList StringTree Struct Untyped UntypedList UntypedMap UntypedTree URI URIList URITree

data/validation

package validation

dialog driver driver/desktop driver/mobile driver/software lang layout storage storage/repository test theme widget

List My App

Fyne API "binding.URITree"

binding.URITree

import "fyne.io/fyne/v2/data/binding"

Usage

type URITree

type URITree interface {
	DataTree

	Append(parent, id string, value fyne.URI) error
	Get() (map[string][]string, map[string]fyne.URI, error)
	GetValue(id string) (fyne.URI, error)
	Prepend(parent, id string, value fyne.URI) error
	Remove(id string) error
	Set(ids map[string][]string, values map[string]fyne.URI) error
	SetValue(id string, value fyne.URI) error
}

URITree supports binding a tree of fyne.URI values.

Since:

2.4

func NewURITree

func NewURITree() URITree

NewURITree returns a bindable tree of fyne.URI values.

Since:

2.4

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