Local files - reading and writing

ios/Flutter/Debug.xcconfig

@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"

ios/Flutter/Release.xcconfig

@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"

ios/Podfile

@@ -0,0 +1,41 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '11.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end

lib/local_files.dart

@@ -0,0 +1,102 @@
+//importing packages
+import 'dart:async';
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:path_provider/path_provider.dart';
+
+void main(List<String> args) {
+  runApp(
+    MaterialApp(
+      title: "Reading and writing files",
+      home: ReadAndWrite(storage: CounterStorage()),
+    ),
+  );
+}
+
+class CounterStorage {
+  Future<String> get _localPath async {
+    final directory = await getApplicationDocumentsDirectory();
+
+    return directory.path;
+  }
+
+  Future<File> get _localFile async {
+    final path = await _localPath;
+    return File('$path/output.txt');
+  }
+
+  Future<int> readData() async {
+    try {
+      final file = await _localFile;
+
+      // Read the file
+      final contents = await file.readAsString();
+
+      return int.parse(contents);
+    } catch (e) {
+      // If encountering an error, return 0
+      return 0;
+    }
+  }
+
+  Future<File> writeData(String data) async {
+    final file = await _localFile;
+    DateTime now = DateTime.now();
+    String date = DateTime(now.year, now.month, now.day).toString();
+
+    // Write the file
+    return file.writeAsString("$date: $data");
+  }
+}
+
+class ReadAndWrite extends StatefulWidget {
+  const ReadAndWrite({super.key, required this.storage});
+
+  final CounterStorage storage;
+
+  @override
+  State<ReadAndWrite> createState() => _ReadAndWriteState();
+}
+
+class _ReadAndWriteState extends State<ReadAndWrite> {
+  int _counter = 0;
+
+  @override
+  void initState() {
+    super.initState();
+    widget.storage.readData().then((value) {
+      setState(() {
+        _counter = value;
+      });
+    });
+  }
+
+  Future<File> _processData(String data) {
+    setState(() {
+      _counter++;
+    });
+
+    // Write the variable as a string to the file.
+    return widget.storage.writeData(data);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Reading and Writing Files'),
+      ),
+      body: Center(
+        child: Text(
+          'Button tapped $_counter time${_counter == 1 ? '' : 's'}.',
+        ),
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: () => _processData('button name'),
+        tooltip: 'Increment',
+        child: const Icon(Icons.add),
+      ),
+    );
+  }
+}

lib/main.dart

@@ -4,112 +4,146 @@ void main() {
   runApp(const MyApp());
 }
 
-class MyApp extends StatelessWidget {
+class MyApp extends StatefulWidget {
   const MyApp({super.key});
 
-  // This widget is the root of your application.
   @override
-  Widget build(BuildContext context) {
-    return MaterialApp(
-      title: 'Flutter Demo',
-      theme: ThemeData(
-        // This is the theme of your application.
-        //
-        // Try running your application with "flutter run". You'll see the
-        // application has a blue toolbar. Then, without quitting the app, try
-        // changing the primarySwatch below to Colors.green and then invoke
-        // "hot reload" (press "r" in the console where you ran "flutter run",
-        // or simply save your changes to "hot reload" in a Flutter IDE).
-        // Notice that the counter didn't reset back to zero; the application
-        // is not restarted.
-        primarySwatch: Colors.blue,
-      ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
-    );
-  }
+  State<MyApp> createState() => _MyApp();
 }
 
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key, required this.title});
-
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
-  final String title;
-
+class _MyApp extends State<MyApp> {
   @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
+  Map<String, String> invertImage = {};
+  Widget build(BuildContext context) {
+    Color color = Theme.of(context).primaryColor;
+    Widget customRowOne = _buildCustomButtonRow(
+        'assets/images/low.png',
+        'assets/images/invertLow.png',
+        'assets/images/spotting.png',
+        'assets/images/invertSpotting.png',
+        'assets/images/normal.png',
+        'assets/images/invertNormal.png',
+        'assets/images/high.png',
+        'assets/images/invertHigh.png',
+        "Bleeding");
+    Widget customRowTwo = _buildCustomButtonRow(
+        'assets/images/exhausted.png',
+        'assets/images/invertExhausted.png',
+        'assets/images/tired.png',
+        'assets/images/invertTired.png',
+        'assets/images/normalEnergy.png',
+        'assets/images/invertNormalEnergy.png',
+        'assets/images/energized.png',
+        'assets/images/invertEnergized.png',
+        "Energy");
+    Widget customRowThree = _buildCustomButtonRow(
+        'assets/images/PMS.png',
+        'assets/images/invertPMS.png',
+        'assets/images/sensitive.png',
+        'assets/images/invertSensitive.png',
+        'assets/images/sad.png',
+        'assets/images/invertSad.png',
+        'assets/images/happy.png',
+        'assets/images/invertHappy.png',
+        "Mood");
 
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
+    return MaterialApp(
+        title: 'Flutter layout demo',
+        home: Container(
+            color: Color.fromARGB(255, 201, 90, 90),
+            alignment: Alignment.bottomCenter,
+            child: Container(
+                height: 615,
+                width: 600,
+                color: Colors.white,
+                child: Column(
+                    children: [customRowOne, customRowTwo, customRowThree]))));
   }
 
-  @override
-  Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
-    return Scaffold(
-      appBar: AppBar(
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
-      ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Invoke "debug painting" (press "p" in the console, choose the
-          // "Toggle Debug Paint" action from the Flutter Inspector in Android
-          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
-          // to see the wireframe for each widget.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headline4,
+  bool _isPressed = false;
+  Widget buildButton(String imageSrc, String invertedImageSrc) {
+    return Material(
+        color: Colors.blue,
+        elevation: 8,
+        //borderRadius: BorderRadius.circular(28),
+        shape: const CircleBorder(),
+        clipBehavior: Clip.antiAliasWithSaveLayer,
+        child: Container(
+            margin: const EdgeInsets.only(left: 10, right: 10),
+            decoration: BoxDecoration(
+              color: Colors.transparent,
+              shape: BoxShape.circle,
+              border: Border.all(
+                  color: Color.fromARGB(255, 236, 139, 132), width: 3),
+              //borderRadius: BorderRadius.circular(10)
             ),
+            child: InkWell(
+                onTap: () => {
+                      setState(() {
+                        if (_isPressed) {
+                          _isPressed = false;
+                        } else {
+                          _isPressed = true;
+                        }
+                      })
+                    },
+                child: Ink.image(
+                  image: (_isPressed
+                      ? AssetImage(invertedImageSrc)
+                      : AssetImage(imageSrc)),
+                  height: 83,
+                  width: 83,
+                  fit: BoxFit.cover,
+                ))));
+  }
+
+  Container _buildCustomButtonRow(
+      String imageSrc1,
+      String invertImageSrc1,
+      String imageSrc2,
+      String invertImageSrc2,
+      String imageSrc3,
+      String invertImageSrc3,
+      String imageSrc4,
+      String invertImageSrc4,
+      String header) {
+    return Container(
+        height: 175,
+        margin: const EdgeInsets.only(top: 15, bottom: 15),
+        decoration: const BoxDecoration(
+          color: Colors.white,
+          boxShadow: <BoxShadow>[
+            BoxShadow(
+                color: Color.fromARGB(135, 77, 76, 76),
+                blurRadius: 15.0,
+                offset: Offset(0.0, 0.75))
           ],
         ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
-    );
+        child: Column(children: [
+          const SizedBox(height: 15),
+          Material(
+              child: Text(header,
+                  textAlign: TextAlign.center,
+                  style: const TextStyle(
+                    color: Colors.black,
+                    fontSize: 20,
+                    fontWeight: FontWeight.bold,
+                  ))),
+          const SizedBox(height: 15),
+          Container(
+              child: SingleChildScrollView(
+                  scrollDirection: Axis.horizontal,
+                  padding:
+                      const EdgeInsets.only(left: 12, right: 12, bottom: 12),
+                  child: Row(
+                    mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                    children: [
+                      buildButton(imageSrc1, invertImageSrc1),
+                      buildButton(imageSrc2, invertImageSrc2),
+                      buildButton(imageSrc3, invertImageSrc3),
+                      buildButton(imageSrc4, invertImageSrc4)
+                    ],
+                  )))
+        ]));
   }
 }

macos/Flutter/Flutter-Debug.xcconfig

@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "ephemeral/Flutter-Generated.xcconfig"

macos/Flutter/Flutter-Release.xcconfig

@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "ephemeral/Flutter-Generated.xcconfig"