import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/physics.dart';
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import 'package:flutter/services.dart';
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import 'package:pull_to_refresh/pull_to_refresh.dart';
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class UIMethodChannel extends MethodChannel {
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UIMethodChannel(String name) : super(name) {
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setMethodCallHandler((call) {
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switch (call.method) {
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case "resumePage":
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{}
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}
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return Future.value();
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});
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}
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}
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MethodChannel uiMethodChannel = UIMethodChannel('com.yeshi.video/ui');
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setStatusBarLight() {
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uiMethodChannel.invokeMethod("setStatusBarLight");
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}
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setStatusBarDark() {
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uiMethodChannel.invokeMethod("setStatusBarDark");
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}
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//跳转页面
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jumpAppPage(String type, Map<String, dynamic>? params) {
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Map<String, dynamic> ps = {"type": type};
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if (params != null) {
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ps["params"] = params;
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}
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//跳转应用界面
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uiMethodChannel.invokeMethod("jumpAppPage", ps);
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}
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///包裹整个页面，下拉刷新，，上拉加载的默认配置
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Widget getBasePage(Widget widget) {
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return RefreshConfiguration(
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headerBuilder: () => const WaterDropHeader(),
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// 配置默认头部指示器,假如你每个页面的头部指示器都一样的话,你需要设置这个
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footerBuilder: () => const ClassicFooter(),
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// 配置默认底部指示器
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headerTriggerDistance: 80.0,
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// 头部触发刷新的越界距离
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springDescription:
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const SpringDescription(stiffness: 170, damping: 16, mass: 1.9),
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// 自定义回弹动画,三个属性值意义请查询flutter api
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maxOverScrollExtent: 100,
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//头部最大可以拖动的范围,如果发生冲出视图范围区域,请设置这个属性
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maxUnderScrollExtent: 0,
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// 底部最大可以拖动的范围
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enableScrollWhenRefreshCompleted: true,
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//这个属性不兼容PageView和TabBarView,如果你特别需要TabBarView左右滑动,你需要把它设置为true
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enableLoadingWhenFailed: true,
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//在加载失败的状态下,用户仍然可以通过手势上拉来触发加载更多
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hideFooterWhenNotFull: false,
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// Viewport不满一屏时,禁用上拉加载更多功能
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enableBallisticLoad: true,
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// 可以通过惯性滑动触发加载更多
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child: MaterialApp(
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//国际化处理
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// localizationsDelegates: const [
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// // 这行是关键
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// RefreshLocalizations.delegate,
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// ],
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// supportedLocales: const [
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// Locale('en'),
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// Locale('zh'),
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// ],
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// localeResolutionCallback:
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// (Locale? locale, Iterable<Locale> supportedLocales) {
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// //print("change language");
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// return locale;
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// },
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home: widget));
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}
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class ToastUtil {
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static toast(String text, BuildContext context) {
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// Toast.show(text, context);
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// showToast(text,position: ToastPosition.bottom);
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print("toast:$text");
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uiMethodChannel.invokeMethod("toast", text);
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}
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}
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class DialogUtil {
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static Future<dynamic> showDialog(BuildContext context, Dialog dialog) async {
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return await showGeneralDialog(
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context: context,
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pageBuilder: (BuildContext buildContext, Animation<double> animation,
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Animation<double> secondaryAnimation) {
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return dialog;
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});
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}
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static Future<dynamic> showDialogBottom(BuildContext context, Widget widget,
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{BorderRadius? borderRadius, Color? backgroundColor}) async {
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return await showModalBottomSheet<void>(
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backgroundColor: backgroundColor ?? Colors.transparent,
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shape: RoundedRectangleBorder(
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borderRadius: borderRadius ?? BorderRadius.zero,
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),
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context: context,
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builder: (BuildContext context) {
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return widget;
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});
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}
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}
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class DimenUtil {
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//获取像素比
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static double getPixelRatio(BuildContext context) {
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MediaQueryData mediaQuery = MediaQuery.of(context);
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return mediaQuery.devicePixelRatio;
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}
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//获取1像素的取值
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static double getOnePixel(BuildContext context) {
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return 1 / MediaQuery.of(context).devicePixelRatio;
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}
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}
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