➖ Remove common exports.

Author: AlexV525

lib/src/constants/constants.dart

@@ -2,18 +2,34 @@
 /// [Author] Alex (https://github.com/AlexV525)
 /// [Date] 2020/7/15 02:06
 ///
+import 'dart:developer';
+
+import 'package:flutter/widgets.dart';
+import 'package:flutter/foundation.dart';
 import 'package:wechat_camera_picker/wechat_camera_picker.dart';
 
-export 'package:flutter_common_exports/flutter_common_exports.dart';
 export 'package:photo_manager/photo_manager.dart';
 
 export '../delegates/camera_picker_text_delegate.dart';
 export '../utils/device_utils.dart';
 export 'colors.dart';
+export 'screens.dart';
 
 class Constants {
   const Constants._();
 
   static CameraPickerTextDelegate textDelegate =
       DefaultCameraPickerTextDelegate();
 }
+
+/// Log only in debug mode.
+/// 只在调试模式打印
+void realDebugPrint(dynamic message) {
+  if (!kReleaseMode) {
+    log('$message');
+  }
+}
+
+int get currentTimeStamp => DateTime.now().millisecondsSinceEpoch;
+
+const BorderRadius maxBorderRadius = BorderRadius.all(Radius.circular(999999));

lib/src/constants/screens.dart

@@ -0,0 +1,64 @@
+///
+/// [Author] Alex (https://github.com/AlexV525)
+/// [Date] 2020/8/19 10:29
+///
+import 'dart:ui' as ui;
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+/// Screens utils with multiple properties access.
+/// 获取屏幕各项属性的工具类
+class Screens {
+  const Screens._();
+
+  /// Get [MediaQueryData] from [ui.window]
+  /// 通过 [ui.window] 获取 [MediaQueryData]
+  static MediaQueryData get mediaQuery => MediaQueryData.fromWindow(ui.window);
+
+  /// The number of device pixels for each logical pixel.
+  /// 设备每个逻辑像素对应的dp比例
+  static double get scale => mediaQuery.devicePixelRatio;
+
+  /// The horizontal extent of this size.
+  /// 水平范围的大小
+  static double get width => mediaQuery.size.width;
+
+  /// The horizontal pixels of this size.
+  /// 水平范围的像素值
+  static int get widthPixels => (width * scale).toInt();
+
+  /// The vertical extent of this size.
+  /// 垂直范围的大小
+  static double get height => mediaQuery.size.height;
+
+  /// The vertical pixels of this size.
+  /// 垂直范围的像素值
+  static int get heightPixels => (height * scale).toInt();
+
+  /// Top offset in the [ui.window], usually is the notch size.
+  /// 从 [ui.window] 获取的顶部偏移（间距），通常是刘海的大小。
+  static double get topSafeHeight => mediaQuery.padding.top;
+
+  /// Bottom offset in the [ui.window], usually is the action bar/navigation bar size.
+  /// 从 [ui.window] 获取的底部偏移（间距），通常是操作条/导航条的大小。
+  static double get bottomSafeHeight => mediaQuery.padding.bottom;
+
+  /// Height exclude top and bottom safe height.
+  /// 去除顶部和底部安全区域的高度
+  static double get safeHeight => height - topSafeHeight - bottomSafeHeight;
+
+  /// Method to update status bar's style.
+  /// 更新状态栏样式的方法
+  static void updateStatusBarStyle(SystemUiOverlayStyle style) {
+    SystemChrome.setSystemUIOverlayStyle(style);
+  }
+
+  /// Scale factor for the text.
+  /// 文字缩放的倍数
+  static double get textScaleFactor => mediaQuery.textScaleFactor;
+
+  /// Return a fixed font size according to text scale factor.
+  /// 根据文字缩放计算出的固定文字大小
+  static double fixedFontSize(double fontSize) => fontSize / textScaleFactor;
+}

lib/src/widget/camera_picker.dart

@@ -144,7 +144,7 @@ class CameraPicker extends StatefulWidget {
 class CameraPickerState extends State<CameraPicker> {
   /// The [Duration] for record detection. (200ms)
   /// 检测是否开始录制的时长 (200毫秒)
-  final Duration recordDetectDuration = 200.milliseconds;
+  final Duration recordDetectDuration = const Duration(milliseconds: 200);
 
   /// Available cameras.
   /// 可用的相机实例

pubspec.yaml

@@ -13,7 +13,6 @@ dependencies:
 
   camera: ^0.5.8+5
   device_info: ^0.4.2+6
-  flutter_common_exports: ^0.1.0
   path_provider: ^1.6.11
   photo_manager: ^0.5.7
   video_player: ^0.10.11+2