feat: adding a sample app showcasing the usage of the cloudinary flutter sdk

example/memories/.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.build/
+.buildlog/
+.history
+.svn/
+.swiftpm/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.pub-cache/
+.pub/
+/build/
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release
+
+# Environment variable files
+.env

example/memories/.metadata

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+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: "6fba2447e95c451518584c35e25f5433f14d888c"
+  channel: "stable"
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 6fba2447e95c451518584c35e25f5433f14d888c
+      base_revision: 6fba2447e95c451518584c35e25f5433f14d888c
+    - platform: android
+      create_revision: 6fba2447e95c451518584c35e25f5433f14d888c
+      base_revision: 6fba2447e95c451518584c35e25f5433f14d888c
+    - platform: ios
+      create_revision: 6fba2447e95c451518584c35e25f5433f14d888c
+      base_revision: 6fba2447e95c451518584c35e25f5433f14d888c
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

example/memories/README.md

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+# Memories App
+
+A beautiful photo memories app built with Flutter, showcasing Cloudinary SDK integration for cloud-based image storage and management.
+
+## Features
+
+- 📸 Select multiple photos from gallery
+- ☁️ Cloud storage with Cloudinary
+- 🖼️ Optimized image delivery and transformations
+- 📝 Create named memory collections
+- 💾 Persistent data storage
+- 📅 Automatic date tracking for each memory
+- 🗑️ Delete memories and cloud images
+- 🌐 Seamless image upload and retrieval
+- 🔒 Secure image storage with environment variables
+
+## Cloudinary Integration
+
+This app demonstrates real-world usage of the Cloudinary SDK for Flutter:
+
+- **Image Upload**: Upload photos directly to Cloudinary cloud storage
+- **Optimized Delivery**: Automatic image optimization and responsive delivery
+- **Image Transformations**: Support for on-the-fly image transformations
+- **Secure Configuration**: Environment-based API credentials management
+- **Cloud Management**: Delete images from cloud storage when memories are removed
+
+## Screenshots
+
+| ![Home screen](screenshots/home.jpg) | ![Add memory](screenshots/add.jpg) | ![Photo viewer](screenshots/view.jpg) |
+|:---:|:---:|:---:|
+| Home screen | Add memory | Photo viewer |
+
+
+
+## Environment Setup
+
+1. Create a `.env` file in the project root:
+
+```env
+CLOUDINARY_CLOUD_NAME=your_cloud_name
+CLOUDINARY_API_KEY=your_api_key
+CLOUDINARY_API_SECRET=your_api_secret
+CLOUDINARY_UPLOAD_PRESET=your_upload_preset
+```
+
+2. Add `.env` to your `.gitignore` to keep credentials secure
+
+3. Get your Cloudinary credentials from [Cloudinary Dashboard](https://cloudinary.com/console)
+
+## Platform Setup
+
+### Android
+Add to `android/app/src/main/AndroidManifest.xml`:
+
+```xml
+<uses-permission android:name="android.permission.INTERNET"/>
+<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+```
+
+### iOS
+Add to `ios/Runner/Info.plist`:
+
+```xml
+<key>NSPhotoLibraryUsageDescription</key>
+<string>We need access to your photo library to select photos for your memories</string>
+<key>NSCameraUsageDescription</key>
+<string>We need access to your camera to take photos for your memories</string>
+```
+
+## How to Use
+
+1. **Set up Cloudinary**: Configure your `.env` file with Cloudinary credentials
+2. **Run the app**: `flutter run`
+3. **Add a memory**: Tap the + button
+4. **Select photos**: Tap "Add Photos" to pick from gallery (uploads to Cloudinary)
+5. **Name your memory**: Enter a title for your collection
+6. **Save**: Tap "Save" to create the memory
+7. **View photos**: Images are loaded from Cloudinary with optimized delivery
+8. **Delete**: Remove memories (also deletes images from Cloudinary cloud)
+
+## Dependencies
+
+- `cloudinary_sdk`: Cloudinary SDK for Flutter - cloud image storage
+- `flutter_dotenv`: Environment variable management
+- `image_picker`: Photo selection from gallery
+- `path_provider`: File system access
+- `intl`: Date formatting
+- `shared_preferences`: Local data persistence
+- `http`: Network requests
+
+## Getting Started
+
+1. Clone the repository
+2. Run `flutter pub get`
+3. Set up your `.env` file with Cloudinary credentials
+4. Run the app with `flutter run`
+
+For help with Cloudinary integration, visit the [Cloudinary Documentation](https://cloudinary.com/documentation).
+
+For Flutter development, view the [Flutter documentation](https://docs.flutter.dev/).

example/memories/analysis_options.yaml

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+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at https://dart.dev/lints.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

example/memories/android/.gitignore

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+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+.cxx/
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/to/reference-keystore
+key.properties
+**/*.keystore
+**/*.jks

example/memories/android/app/build.gradle.kts

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+plugins {
+    id("com.android.application")
+    id("kotlin-android")
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
+    id("dev.flutter.flutter-gradle-plugin")
+}
+
+android {
+    namespace = "com.momories.memories"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = "27.0.12077973"
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_11.toString()
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId = "com.momories.memories"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://flutter.dev/to/review-gradle-config.
+        minSdk = flutter.minSdkVersion
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutter.versionCode
+        versionName = flutter.versionName
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig = signingConfigs.getByName("debug")
+        }
+    }
+}
+
+flutter {
+    source = "../.."
+}

example/memories/android/app/src/debug/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

example/memories/android/app/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application
+        android:label="memories"
+        android:name="${applicationName}"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:launchMode="singleTop"
+            android:taskAffinity=""
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <!-- Don't delete the meta-data below.
+             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+    </application>
+    <!-- Required to query activities that can process text, see:
+         https://developer.android.com/training/package-visibility and
+         https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
+
+         In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
+    <queries>
+        <intent>
+            <action android:name="android.intent.action.PROCESS_TEXT"/>
+            <data android:mimeType="text/plain"/>
+        </intent>
+    </queries>
+</manifest>

example/memories/android/app/src/main/kotlin/com/momories/memories/MainActivity.kt

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+package com.momories.memories
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity : FlutterActivity()

example/memories/android/app/src/main/res/drawable-v21/launch_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

example/memories/android/app/src/main/res/drawable/launch_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

example/memories/android/app/src/main/res/values-night/styles.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

example/memories/android/app/src/main/res/values/styles.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>