app-zj/lib/base/base_state.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:lszlgl/config/colors.dart';
import 'package:lszlgl/config/pics.dart';

export 'package:lszlgl/config/pics.dart';
export 'package:lszlgl/router/my_navigator.dart';
export 'package:lszlgl/router/my_router.dart';
export 'package:lszlgl/ext/value_notifier_ext.dart';

abstract class BaseState<T extends StatefulWidget> extends State<T> {
  EdgeInsets get mediaPadding => MediaQuery.of(context).padding;

  double getBottomPadding(double defaultValue) => mediaPadding.bottom != 0 ? mediaPadding.bottom : defaultValue;

  /// 隐藏软键盘
  void hideKeyboard() {
    FocusScopeNode currentFocus = FocusScope.of(context);
    if (!currentFocus.hasPrimaryFocus && currentFocus.focusedChild != null) {
      FocusManager.instance.primaryFocus?.unfocus();
    }
  }

  AppBar myAppBar({
    String title = '',
    String? titleIcon,
    bool autoLeading = true,
    PreferredSizeWidget? bottom,
    double? toolbarHeight,
    List<Widget>? actions,
    Color? naviBarColor,
    Brightness? naviBarBrightness,
  }) {
    return AppBar(
      title: FittedBox(
          fit: BoxFit.scaleDown,
          child: Text(title)),
      bottom: bottom,
      automaticallyImplyLeading: autoLeading,
      toolbarHeight: toolbarHeight,
      actions: actions,
      systemOverlayStyle: SystemUiOverlayStyle.light.copyWith(
        systemNavigationBarColor: naviBarColor ?? MyColor.c_background,
        systemNavigationBarIconBrightness: naviBarBrightness ?? Brightness.dark,
      ),
    );
  }

  /// 带背景图的Scaffold
  Widget myScaffold({required Widget child}) {
    return Scaffold(
      body: Stack(
        children: [
          SizedBox(width: double.infinity, child: Image.asset(imgHomeTopBg)),
          child,
        ],
      ),
    );
  }
}