flutter-template/lib/common/utils.dart

import 'package:permission_handler/permission_handler.dart';
import 'package:vibration/vibration.dart';

/// 通用工具类
class Utils {
  /// 静态常量定义区
  static const int DefaultVibrateDuration = 70; // 默认震动时长
  static const timeout = const Duration(seconds: 1);

  static final RegExp ssidPattern = RegExp(r'^\"(.*)\"$');
  static final RegExp cellNoPattern = RegExp(r'^1[3-9]\d{9}$');
  static final RegExp numberPattern = RegExp('[0-9]');
  static final RegExp namePattern = RegExp(r'[a-z,A-Z,0-9|\s]');
  static final RegExp passwordPattern = RegExp(
      '[a-z,A-Z,0-9|@|#|\$|%|&|-|+|(|)|.|,|\'|:|;|!|?|/|\||*|"|=|{|}|[|\\]|\\\\|_|`|~|\\^|<|\\>]');
  static final RegExp versionPattern = RegExp(r'(\d+)\.*(\d*)\.*(\d*)');

  /// 手机号码格式检查
  static bool testCellNo(String value) {
    if (value.isEmpty) {
      return false;
    }

    return cellNoPattern.hasMatch(value);
  }

  /// 震动
  static Future<Null> vibrate({duration = DefaultVibrateDuration}) async {
    bool? hasVibrator = await Vibration.hasVibrator();
    if (null != hasVibrator && !hasVibrator) {
      return;
    }

    bool? hasAmplitudeControl = await Vibration.hasAmplitudeControl();
    if (null != hasAmplitudeControl && !hasAmplitudeControl) {
      Vibration.vibrate(duration: duration, amplitude: 128);
    } else {
      Vibration.vibrate(duration: duration);
    }
  }

  /// 权限申请
  static Future<bool> checkPermission(Permission permission,
      {bool init = false}) async {
    var permissionName = permission.toString();

    PermissionStatus permissionStatus = await permission.status;
    if (permissionStatus.isGranted) {
      print('$permissionName 已有权限');
      return true;
    } else {
      bool isShow = await permission.shouldShowRequestRationale;
      if (init || isShow) {
        // 申请权限
        Map<Permission, PermissionStatus> statuses =
            await [permission].request();

        // 申请结果
        if (statuses[permission] == PermissionStatus.granted) {
          print('$permissionName 权限申请成功');
          return true;
        } else {
          print('$permissionName 权限申请被拒绝 ${statuses[permission]}');
          return false;
        }
      } else {
        print('$permissionName 权限已被禁用，请在设置中手动开启重新进入程序');
        openAppSettings();
        return false;
      }
    }
  }
}

/// 版本比较工具类
class Version {
  String origin = ""; // 原版本字符串
  int major = -1; // 主版本
  int secondary = -1; // 次要版本
  int revision = -1; // 修订号

  Version(String origin) {
    this.origin = "";
    this.major = -1;
    this.secondary = -1;
    this.revision = -1;

    if (origin.isEmpty) {
      return;
    }
    origin = origin.trim();
    this.origin = origin;

    var m = Utils.versionPattern.firstMatch(origin);
    if (null == m || m.groupCount < 2) {
      return;
    }

    var str = m.group(1);
    var v = int.tryParse(str!);
    if (null != v) {
      this.major = v;
    }

    if (m.groupCount > 1) {
      str = m.group(2);
      v = int.tryParse(str!);
      if (null != v) {
        this.secondary = v;
      }
    }

    if (m.groupCount > 2) {
      str = m.group(3);
      v = int.tryParse(str!);
      if (null != v) {
        this.revision = v;
      }
    }
  }

  bool moreThan(Version obj) {
    if (obj.major < 0 || this.major < 0) {
      return false;
    }

    if (obj.major != this.major) {
      return this.major > obj.major;
    }

    if (obj.secondary != this.secondary) {
      return this.secondary > obj.secondary;
    }

    return this.revision > obj.revision;
  }
}