Add Null-Safety support & Fix documentation.

Author: rickypid

CHANGELOG.md

@@ -1,3 +1,8 @@
+## [1.1.0] - 2021-05-03
+
+* Add Null-Safety support.
+* Fix documentation.
+
 ## [1.0.0] - 2021-04-11
 
 * First release.

README.md

@@ -27,7 +27,7 @@ Add the following line to `pubspec.yaml`:
 
 ```yaml
 dependencies:
-  flutter_bargraph: ^1.0.0
+  flutter_bargraph: ^1.1.0
 ```
 
 ### Basic setup

example/README.md

@@ -1,16 +1,87 @@
-# flutter_bargraph_example
+# flutter_bargraph
 
-Flutter simple example, single value bar graph viewer with indicators
+[![Pub Package](https://img.shields.io/pub/v/flutter_bargraph.svg?style=flat-square)](https://pub.dartlang.org/packages/flutter_bargraph) [![Package Issue](https://img.shields.io/github/issues/rickypid/flutter_bargraph)](https://github.com/rickypid/flutter_bargraph/issues)
+![Package License](https://img.shields.io/github/license/rickypid/flutter_bargraph)
+
+Bar Graph Indicator for Flutter. It graphically displays the current value on a bar graph and manages its animation when the value changes. you can customize the orientation and direction of the bar.
+
+| ![Image](https://github.com/rickypid/flutter_bargraph/blob/7f5bde4ebc40899079800127c815e01beac3abcb/doc/.media/example.gif?raw=true) |
+| :------------: |
+| **BarGraph** |
+
+## Features
+
+* Min/Max property
+* Customizable colors and text style 
+* Vertical orientation, left to right and right to left direction
+* Horizontal orientation, top to bottom and bottom to top direction
+* Number of divisions customizable
+
+## Usage
+
+Make sure to check out [examples](https://github.com/rickypid/flutter_bargraph/tree/master/example).
+
+### Installation
+
+Add the following line to `pubspec.yaml`:
+
+```yaml
+dependencies:
+  flutter_bargraph: ^1.1.0
+```
+
+### Basic setup
+
+*The complete example is available [here](https://github.com/rickypid/flutter_bargraph/blob/master/example/lib/main.dart).*
+
+**BarGraph** requires you to provide `min`, `max` and `value`:
+* `min` is the min value of BarGraph scale.
+* `max` is the max value of BarGraph scale.
+* `value` is the currently value of BarGraph scale.
+
+```dart
+BarGraph(
+    min: 0,
+    max: 100.0,
+    value: 65.0,
+);
+```
+
+### Advanced options
+
+#### Style
+
+* `orientation` is the scale orientation, default vertical from bottom.
+* `indicatorStyle` is the scale indicators style, default BOTH, left and right visible.
+* `indicatorSpacing` is the scale indicators spacing, default SPACE_AROUND, alternative SPACE_BETWEEN.
+
+#### Colors
+
+* `backgroundColor` is the background color og BarGraph.
+* `barColor` is the color of actual value bar.
+* `indicatorsColor` is the color of indicators scale.
+
+#### Indicators text
+
+* `textStyle` is the TextStyle of indicators text.
+* `textAlign` is the Alignment of indicators text.
+* `fractionDigits` is the number of fraction digits visible.
+* `divisions` is the number of divisions of scale.
+* `textFlex` is the percentage of portion used for text, remaining space is used for indicators.
+
+
+#### Animation
+
+* `animationDuration` in milliseconds, it's duration time of animation when actual value changed.
+
+
+### Example
+
+| ![Image](https://github.com/rickypid/flutter_bargraph/blob/master/doc/.media/example_space_around.png?raw=true) | ![Image](https://github.com/rickypid/flutter_bargraph/blob/master/doc/.media/example_space_around_horizontal.png?raw=true) | ![Image](https://github.com/rickypid/flutter_bargraph/blob/master/doc/.media/example_space_between.png?raw=true) |
+| :------------: | :------------: | :------------: |
+| **Vertical space around** | **Horizontal space around** | **Vertical space between** |
 
-## Getting Started
 
-This project is a starting point for a Flutter application.
 
-A few resources to get you started if this is your first Flutter project:
 
-- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
-- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
 
-For help getting started with Flutter, view our
-[online documentation](https://flutter.dev/docs), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.

example/lib/main.dart

@@ -20,7 +20,7 @@ class MyApp extends StatelessWidget {
 }
 
 class MyHomePage extends StatefulWidget {
-  MyHomePage({Key key, this.title}) : super(key: key);
+  MyHomePage({Key? key, this.title = ''}) : super(key: key);
   final String title;
 
   @override

example/pubspec.lock

@@ -43,13 +43,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.15.0"
-  cupertino_icons:
-    dependency: "direct main"
-    description:
-      name: cupertino_icons
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.2"
   fake_async:
     dependency: transitive
     description:
@@ -63,7 +56,7 @@ packages:
     source: sdk
     version: "0.0.0"
   flutter_bargraph:
-    dependency: "direct main"
+    dependency: "direct dev"
     description:
       path: ".."
       relative: true
@@ -157,5 +150,5 @@ packages:
     source: hosted
     version: "2.1.0"
 sdks:
-  dart: ">=2.12.0-0.0 <3.0.0"
+  dart: ">=2.12.0 <3.0.0"
   flutter: ">=1.17.0"

example/pubspec.yaml

@@ -1,77 +1,19 @@
 name: flutter_bargraph_example
 description: Flutter simple example, single value bar graph viewer with indicators
-
-# The following line prevents the package from being accidentally published to
-# pub.dev using `pub publish`. This is preferred for private packages.
-publish_to: 'none' # Remove this line if you wish to publish to pub.dev
-
-# The following defines the version and build number for your application.
-# A version number is three numbers separated by dots, like 1.2.43
-# followed by an optional build number separated by a +.
-# Both the version and the builder number may be overridden in flutter
-# build by specifying --build-name and --build-number, respectively.
-# In Android, build-name is used as versionName while build-number used as versionCode.
-# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
-# In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
-# Read more about iOS versioning at
-# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.0.0+1
+version: 1.1.0
 
 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: ">=2.12.0 <3.0.0"
 
 dependencies:
   flutter:
     sdk: flutter
-  flutter_bargraph:
-    path: ../
-
-  # The following adds the Cupertino Icons font to your application.
-  # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^1.0.2
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  flutter_bargraph:
+    path: ../
 
-# For information on the generic Dart part of this file, see the
-# following page: https://dart.dev/tools/pub/pubspec
-
-# The following section is specific to Flutter.
 flutter:
-
-  # The following line ensures that the Material Icons font is
-  # included with your application, so that you can use the icons in
-  # the material Icons class.
   uses-material-design: true
-
-  # To add assets to your application, add an assets section, like this:
-  # assets:
-  #   - images/a_dot_burr.jpeg
-  #   - images/a_dot_ham.jpeg
-
-  # An image asset can refer to one or more resolution-specific "variants", see
-  # https://flutter.dev/assets-and-images/#resolution-aware.
-
-  # For details regarding adding assets from package dependencies, see
-  # https://flutter.dev/assets-and-images/#from-packages
-
-  # To add custom fonts to your application, add a fonts section here,
-  # in this "flutter" section. Each entry in this list should have a
-  # "family" key with the font family name, and a "fonts" key with a
-  # list giving the asset and other descriptors for the font. For
-  # example:
-  # fonts:
-  #   - family: Schyler
-  #     fonts:
-  #       - asset: fonts/Schyler-Regular.ttf
-  #       - asset: fonts/Schyler-Italic.ttf
-  #         style: italic
-  #   - family: Trajan Pro
-  #     fonts:
-  #       - asset: fonts/TrajanPro.ttf
-  #       - asset: fonts/TrajanPro_Bold.ttf
-  #         weight: 700
-  #
-  # For details regarding fonts from package dependencies,
-  # see https://flutter.dev/custom-fonts/#from-packages