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rustdesk
307
flutter/lib/common.dart
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307
flutter/lib/common.dart
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import 'package:flutter/gestures.dart';
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import 'package:flutter/material.dart';
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import 'dart:async';
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import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
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import 'models/model.dart';
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final globalKey = GlobalKey<NavigatorState>();
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final navigationBarKey = GlobalKey();
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var isAndroid = false;
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var isIOS = false;
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var isWeb = false;
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var isDesktop = false;
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var version = "";
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int androidVersion = 0;
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typedef F = String Function(String);
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typedef FMethod = String Function(String, dynamic);
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class Translator {
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static late F call;
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}
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class MyTheme {
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MyTheme._();
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static const Color grayBg = Color(0xFFEEEEEE);
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static const Color white = Color(0xFFFFFFFF);
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static const Color accent = Color(0xFF0071FF);
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static const Color accent50 = Color(0x770071FF);
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static const Color accent80 = Color(0xAA0071FF);
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static const Color canvasColor = Color(0xFF212121);
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static const Color border = Color(0xFFCCCCCC);
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static const Color idColor = Color(0xFF00B6F0);
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static const Color darkGray = Color(0xFFB9BABC);
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}
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final ButtonStyle flatButtonStyle = TextButton.styleFrom(
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minimumSize: Size(88, 36),
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padding: EdgeInsets.symmetric(horizontal: 16.0),
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.all(Radius.circular(2.0)),
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),
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);
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void showToast(String text, {Duration? duration}) {
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SmartDialog.showToast(text, displayTime: duration);
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}
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void showLoading(String text, {bool clickMaskDismiss = false}) {
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SmartDialog.dismiss();
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SmartDialog.showLoading(
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clickMaskDismiss: false,
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builder: (context) {
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return Container(
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color: MyTheme.white,
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constraints: BoxConstraints(maxWidth: 240),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(height: 30),
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Center(child: CircularProgressIndicator()),
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SizedBox(height: 20),
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Center(
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child: Text(Translator.call(text),
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style: TextStyle(fontSize: 15))),
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SizedBox(height: 20),
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Center(
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child: TextButton(
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style: flatButtonStyle,
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onPressed: () {
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SmartDialog.dismiss();
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backToHome();
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},
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child: Text(Translator.call('Cancel'),
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style: TextStyle(color: MyTheme.accent))))
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]));
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});
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}
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backToHome() {
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Navigator.popUntil(globalKey.currentContext!, ModalRoute.withName("/"));
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}
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typedef DialogBuilder = CustomAlertDialog Function(
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StateSetter setState, void Function([dynamic]) close);
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class DialogManager {
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static int _tag = 0;
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static dismissByTag(String tag, [result]) {
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SmartDialog.dismiss(tag: tag, result: result);
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}
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static Future<T?> show<T>(DialogBuilder builder,
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{bool clickMaskDismiss = false,
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bool backDismiss = false,
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String? tag,
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bool useAnimation = true}) async {
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final t;
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if (tag != null) {
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t = tag;
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} else {
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_tag += 1;
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t = _tag.toString();
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}
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SmartDialog.dismiss(status: SmartStatus.allToast);
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SmartDialog.dismiss(status: SmartStatus.loading);
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final close = ([res]) {
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SmartDialog.dismiss(tag: t, result: res);
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};
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final res = await SmartDialog.show<T>(
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tag: t,
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clickMaskDismiss: clickMaskDismiss,
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backDismiss: backDismiss,
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useAnimation: useAnimation,
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builder: (_) => StatefulBuilder(
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builder: (_, setState) => builder(setState, close)));
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return res;
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}
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}
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class CustomAlertDialog extends StatelessWidget {
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CustomAlertDialog(
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{required this.title,
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required this.content,
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required this.actions,
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this.contentPadding});
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final Widget title;
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final Widget content;
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final List<Widget> actions;
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final double? contentPadding;
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@override
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Widget build(BuildContext context) {
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return AlertDialog(
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scrollable: true,
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title: title,
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contentPadding:
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EdgeInsets.symmetric(horizontal: contentPadding ?? 25, vertical: 10),
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content: content,
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actions: actions,
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);
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}
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}
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void msgBox(String type, String title, String text, {bool? hasCancel}) {
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var wrap = (String text, void Function() onPressed) => ButtonTheme(
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padding: EdgeInsets.symmetric(horizontal: 20, vertical: 10),
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materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
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//limits the touch area to the button area
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minWidth: 0,
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//wraps child's width
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height: 0,
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child: TextButton(
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style: flatButtonStyle,
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onPressed: onPressed,
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child: Text(Translator.call(text),
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style: TextStyle(color: MyTheme.accent))));
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SmartDialog.dismiss();
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final buttons = [
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wrap(Translator.call('OK'), () {
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SmartDialog.dismiss();
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backToHome();
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})
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];
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if (hasCancel == null) {
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hasCancel = type != 'error';
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}
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if (hasCancel) {
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buttons.insert(
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0,
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wrap(Translator.call('Cancel'), () {
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SmartDialog.dismiss();
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}));
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}
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DialogManager.show((setState, close) => CustomAlertDialog(
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title: Text(translate(title), style: TextStyle(fontSize: 21)),
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content: Text(Translator.call(text), style: TextStyle(fontSize: 15)),
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actions: buttons));
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}
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Color str2color(String str, [alpha = 0xFF]) {
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var hash = 160 << 16 + 114 << 8 + 91;
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for (var i = 0; i < str.length; i += 1) {
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hash = str.codeUnitAt(i) + ((hash << 5) - hash);
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}
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hash = hash % 16777216;
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return Color((hash & 0xFF7FFF) | (alpha << 24));
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}
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const K = 1024;
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const M = K * K;
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const G = M * K;
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String readableFileSize(double size) {
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if (size < K) {
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return size.toString() + " B";
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} else if (size < M) {
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return (size / K).toStringAsFixed(2) + " KB";
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} else if (size < G) {
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return (size / M).toStringAsFixed(2) + " MB";
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} else {
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return (size / G).toStringAsFixed(2) + " GB";
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}
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}
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/// Flutter can't not catch PointerMoveEvent when size is 1
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/// This will happen in Android AccessibilityService Input
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/// android can't init dispatching size yet ,see: https://stackoverflow.com/questions/59960451/android-accessibility-dispatchgesture-is-it-possible-to-specify-pressure-for-a
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/// use this temporary solution until flutter or android fixes the bug
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class AccessibilityListener extends StatelessWidget {
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final Widget? child;
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static final offset = 100;
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AccessibilityListener({this.child});
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@override
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Widget build(BuildContext context) {
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return Listener(
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onPointerDown: (evt) {
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if (evt.size == 1 && GestureBinding.instance != null) {
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GestureBinding.instance!.handlePointerEvent(PointerAddedEvent(
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pointer: evt.pointer + offset, position: evt.position));
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GestureBinding.instance!.handlePointerEvent(PointerDownEvent(
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pointer: evt.pointer + offset,
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size: 0.1,
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position: evt.position));
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}
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},
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onPointerUp: (evt) {
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if (evt.size == 1 && GestureBinding.instance != null) {
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GestureBinding.instance!.handlePointerEvent(PointerUpEvent(
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pointer: evt.pointer + offset,
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size: 0.1,
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position: evt.position));
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GestureBinding.instance!.handlePointerEvent(PointerRemovedEvent(
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pointer: evt.pointer + offset, position: evt.position));
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}
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},
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onPointerMove: (evt) {
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if (evt.size == 1 && GestureBinding.instance != null) {
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GestureBinding.instance!.handlePointerEvent(PointerMoveEvent(
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pointer: evt.pointer + offset,
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size: 0.1,
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delta: evt.delta,
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position: evt.position));
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}
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},
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child: child);
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}
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}
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class PermissionManager {
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static Completer<bool>? _completer;
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static Timer? _timer;
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static var _current = "";
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static final permissions = ["audio", "file"];
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static bool isWaitingFile() {
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if (_completer != null) {
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return !_completer!.isCompleted && _current == "file";
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}
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return false;
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}
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static Future<bool> check(String type) {
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if (!permissions.contains(type))
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return Future.error("Wrong permission!$type");
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return FFI.invokeMethod("check_permission", type);
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}
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static Future<bool> request(String type) {
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if (!permissions.contains(type))
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return Future.error("Wrong permission!$type");
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_current = type;
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_completer = Completer<bool>();
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FFI.invokeMethod("request_permission", type);
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// timeout
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_timer?.cancel();
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_timer = Timer(Duration(seconds: 60), () {
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if (_completer == null) return;
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if (!_completer!.isCompleted) {
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_completer!.complete(false);
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}
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_completer = null;
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_current = "";
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});
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return _completer!.future;
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}
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static complete(String type, bool res) {
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if (type != _current) {
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res = false;
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}
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_timer?.cancel();
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_completer?.complete(res);
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_current = "";
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}
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}
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