CacheManagerScreen class
A full-page storage manager widget inspired by Telegram's Storage Usage screen.
Provides a complete UI for end-users to view cache usage and selectively clear cached data. Requires zero configuration beyond having CacheVault initialized.
Sections (top to bottom):
- Animated donut chart showing bucket size breakdown
- Bucket list with selection checkboxes
- "Clear Cache X MB" button
- Customizable footer note
- Auto-remove policy dropdowns per bucket
- Max cache size slider
Navigator.push(context, MaterialPageRoute(
builder: (_) => CacheManagerScreen(
title: 'Storage',
footerNote: 'Files are stored in the cloud and can be re-downloaded.',
theme: CacheManagerTheme(primaryColor: Colors.blue),
onClearComplete: (freedBytes) => print('Freed $freedBytes bytes'),
),
));
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- CacheManagerScreen
Constructors
- CacheManagerScreen({Key? key, String title = 'Storage Usage', CacheManagerTheme? theme, void onClearComplete(int freedBytes)?})
-
Creates a new CacheManagerScreen.
const
Properties
-
Note displayed below the clear button.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onClearComplete → void Function(int freedBytes)?
-
Callback when cache is cleared, with the number of freed bytes.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- theme → CacheManagerTheme?
-
Optional theme customization.
final
- title → String
-
Title shown in the AppBar.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< CacheManagerScreen> -
Creates the mutable state for this widget at a given location in the tree.
override
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent 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, int wrapWidth = 65}) → 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.
inherited