adding more named and explicit imports

animations/lib/src/misc/carousel.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
+import 'dart:ui' as ui;
 import 'package:flutter/material.dart';
 
 class CarouselDemo extends StatelessWidget {
@@ -80,8 +80,8 @@ class _CarouselState extends State<Carousel> {
       controller: _controller,
       scrollBehavior: ScrollConfiguration.of(context).copyWith(
         dragDevices: {
-          PointerDeviceKind.touch,
-          PointerDeviceKind.mouse,
+          ui.PointerDeviceKind.touch,
+          ui.PointerDeviceKind.mouse,
         },
       ),
       itemBuilder: (context, index) => AnimatedBuilder(

experimental/varfont_shader_puzzle/lib/components/wonky_char.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
+import 'dart:ui' as ui;
 
 import 'package:flutter/foundation.dart' show kDebugMode;
 import 'package:flutter/material.dart';
@@ -78,10 +78,10 @@ class WonkyCharState extends State<WonkyChar>
 
   @override
   Widget build(BuildContext context) {
-    List<FontVariation> fontVariations = [];
+    List<ui.FontVariation> fontVariations = [];
     for (int i = 0; i < _fvAxes.length; i++) {
       fontVariations
-          .add(FontVariation(_fvAxes[i], _fvAnimations[i].value as double));
+          .add(ui.FontVariation(_fvAxes[i], _fvAnimations[i].value as double));
     }
     return Transform(
       alignment: Alignment.center,

next_gen_ui_demo/lib/assets.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
+import 'dart:ui' as ui;
 
 class AssetPaths {
   /// Images
@@ -29,13 +29,13 @@ class AssetPaths {
   static const String uiShader = '$_shaders/ui_glitch.frag';
 }
 
-typedef Shaders = ({FragmentShader orb, FragmentShader ui});
+typedef Shaders = ({ui.FragmentShader orb, ui.FragmentShader ui});
 
 Future<Shaders> loadShaders() async => (
       orb: (await _loadShader(AssetPaths.orbShader)),
       ui: (await _loadShader(AssetPaths.uiShader)),
     );
 
-Future<FragmentShader> _loadShader(String path) async {
-  return (await FragmentProgram.fromAsset(path)).fragmentShader();
+Future<ui.FragmentShader> _loadShader(String path) async {
+  return (await ui.FragmentProgram.fromAsset(path)).fragmentShader();
 }

next_gen_ui_demo/lib/common/shader_painter.dart

@@ -2,15 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
+import 'dart:ui' as ui;
 
 import 'package:flutter/material.dart';
 
 class ShaderPainter extends CustomPainter {
   ShaderPainter(this.shader, {this.update});
 
-  final FragmentShader shader;
-  final void Function(FragmentShader, Size)? update;
+  final ui.FragmentShader shader;
+  final void Function(ui.FragmentShader, Size)? update;
 
   @override
   void paint(Canvas canvas, Size size) {

next_gen_ui_demo/lib/orb_shader/orb_shader_painter.dart

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:math';
-import 'dart:ui';
+import 'dart:math' as math;
+import 'dart:ui' as ui;
 
 import 'package:flutter/material.dart';
 import 'package:vector_math/vector_math_64.dart' as v64;
@@ -18,15 +18,16 @@ class OrbShaderPainter extends CustomPainter {
     required this.mousePos,
     required this.energy,
   });
-  final FragmentShader shader;
+  final ui.FragmentShader shader;
   final OrbShaderConfig config;
   final double time;
   final Offset mousePos;
   final double energy;
 
   @override
   void paint(Canvas canvas, Size size) {
-    double fov = v64.mix(pi / 4.3, pi / 2.0, config.zoom.clamp(0.0, 1.0));
+    double fov =
+        v64.mix(math.pi / 4.3, math.pi / 2.0, config.zoom.clamp(0.0, 1.0));
 
     v64.Vector3 colorToVector3(Color c) =>
         v64.Vector3(
@@ -37,16 +38,16 @@ class OrbShaderPainter extends CustomPainter {
         255.0;
 
     v64.Vector3 lightLumP = colorToVector3(config.lightColor).normalized() *
-        max(0.0, config.lightBrightness);
+        math.max(0.0, config.lightBrightness);
     v64.Vector3 albedo = colorToVector3(config.materialColor);
 
     v64.Vector3 ambientLight = colorToVector3(config.ambientLightColor) *
-        max(0.0, config.ambientLightBrightness);
+        math.max(0.0, config.ambientLightBrightness);
 
     shader.setFloat(0, size.width);
     shader.setFloat(1, size.height);
     shader.setFloat(2, time);
-    shader.setFloat(3, max(0.0, config.exposure));
+    shader.setFloat(3, math.max(0.0, config.exposure));
     shader.setFloat(4, fov);
     shader.setFloat(5, config.roughness.clamp(0.0, 1.0));
     shader.setFloat(6, config.metalness.clamp(0.0, 1.0));

next_gen_ui_demo/lib/orb_shader/orb_shader_widget.dart

@@ -3,8 +3,8 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:math';
-import 'dart:ui';
+import 'dart:math' as math;
+import 'dart:ui' as ui;
 
 import 'package:flutter/material.dart';
 import 'package:flutter_animate/flutter_animate.dart';
@@ -95,13 +95,13 @@ class OrbShaderWidgetState extends State<OrbShaderWidget>
                                 widget.mousePos)
                             .distance;
                         final hitSize = size.shortestSide * .5;
-                        energyLevel = 1 - min(1, (d / hitSize));
+                        energyLevel = 1 - math.min(1, (d / hitSize));
                         scheduleMicrotask(
                             () => widget.onUpdate?.call(energyLevel));
                       }
                       energyLevel +=
                           (1.3 - energyLevel) * heartbeatEnergy * 0.1;
-                      energyLevel = lerpDouble(minEnergy, 1, energyLevel)!;
+                      energyLevel = ui.lerpDouble(minEnergy, 1, energyLevel)!;
                       return CustomPaint(
                         size: size,
                         painter: OrbShaderPainter(

next_gen_ui_demo/lib/title_screen_5b/title_screen.dart

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:math';
-import 'dart:ui';
+import 'dart:math' as math;
+import 'dart:ui' as ui;
 
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -54,17 +54,19 @@ class _TitleScreenState extends State<TitleScreen>
 
   double get _finalReceiveLightAmt {
     final light =
-        lerpDouble(_minReceiveLightAmt, _maxReceiveLightAmt, _orbEnergy) ?? 0;
+        ui.lerpDouble(_minReceiveLightAmt, _maxReceiveLightAmt, _orbEnergy) ??
+            0;
     return light + _pulseEffect.value * .05 * _orbEnergy;
   }
 
   double get _finalEmitLightAmt {
-    return lerpDouble(_minEmitLightAmt, _maxEmitLightAmt, _orbEnergy) ?? 0;
+    return ui.lerpDouble(_minEmitLightAmt, _maxEmitLightAmt, _orbEnergy) ?? 0;
   }
 
   late final AnimationController _pulseEffect;
 
-  Duration _getRndPulseDuration() => 100.ms + 200.ms * Random().nextDouble();
+  Duration _getRndPulseDuration() =>
+      100.ms + 200.ms * math.Random().nextDouble();
 
   double _getMinEnergyForDifficulty(int difficulty) {
     if (difficulty == 1) {

next_gen_ui_demo/lib/title_screen_6/title_screen.dart

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:math';
-import 'dart:ui';
+import 'dart:math' as math;
+import 'dart:ui' as ui;
 
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -55,17 +55,19 @@ class _TitleScreenState extends State<TitleScreen>
 
   double get _finalReceiveLightAmt {
     final light =
-        lerpDouble(_minReceiveLightAmt, _maxReceiveLightAmt, _orbEnergy) ?? 0;
+        ui.lerpDouble(_minReceiveLightAmt, _maxReceiveLightAmt, _orbEnergy) ??
+            0;
     return light + _pulseEffect.value * .05 * _orbEnergy;
   }
 
   double get _finalEmitLightAmt {
-    return lerpDouble(_minEmitLightAmt, _maxEmitLightAmt, _orbEnergy) ?? 0;
+    return ui.lerpDouble(_minEmitLightAmt, _maxEmitLightAmt, _orbEnergy) ?? 0;
   }
 
   late final AnimationController _pulseEffect;
 
-  Duration _getRndPulseDuration() => 100.ms + 200.ms * Random().nextDouble();
+  Duration _getRndPulseDuration() =>
+      100.ms + 200.ms * math.Random().nextDouble();
 
   double _getMinEnergyForDifficulty(int difficulty) {
     if (difficulty == 1) {

veggieseasons/lib/widgets/close_button.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
+import 'dart:ui' as ui;
 
 import 'package:flutter/cupertino.dart';
 import 'package:veggieseasons/styles.dart';
@@ -19,7 +19,7 @@ class FrostedBox extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return BackdropFilter(
-      filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10),
+      filter: ui.ImageFilter.blur(sigmaX: 10, sigmaY: 10),
       child: DecoratedBox(
         decoration: const BoxDecoration(
           color: Styles.frostedBackground,

veggieseasons/lib/widgets/veggie_card.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
+import 'dart:ui' as ui;
 
 import 'package:flutter/cupertino.dart';
 import 'package:go_router/go_router.dart';
@@ -25,7 +25,7 @@ class FrostyBackground extends StatelessWidget {
   Widget build(BuildContext context) {
     return ClipRect(
       child: BackdropFilter(
-        filter: ImageFilter.blur(sigmaX: intensity, sigmaY: intensity),
+        filter: ui.ImageFilter.blur(sigmaX: intensity, sigmaY: intensity),
         child: DecoratedBox(
           decoration: BoxDecoration(
             color: color,