Modernize Architecture and Implement Settings Export/Import

.github/workflows/debug.yml

@@ -0,0 +1,41 @@
+name: Android Debug CI (PR)
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+    branches: ['**']
+
+  workflow_dispatch:
+
+concurrency:
+ group: pr-${{ github.event.pull_request.number || github.ref }}
+ cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Set up Java 21
+        uses: actions/setup-java@v5
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v6
+
+      - name: Build Debug APK
+        run: ./gradlew assembleDebug --stacktrace
+        env:
+          GITHUB_RUN_NUMBER: ${{ github.run_number }}
+
+      - name: Upload Debug APK
+        uses: actions/upload-artifact@v7
+        with:
+          name: app-debug-apk
+          path: app/build/outputs/apk/debug/*.apk
+          retention-days: 60

.github/workflows/release.yml

@@ -0,0 +1,38 @@
+name: Android Release CI
+
+on:
+  push:
+    branches: [ main, master ]
+
+  workflow_dispatch:
+
+concurrency:
+ group: Release
+ cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Set up Java 21
+        uses: actions/setup-java@v5
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v6
+
+      - name: Build Release APK
+        run: ./gradlew assembleRelease --stacktrace
+
+      - name: Upload Release APK
+        uses: actions/upload-artifact@v7
+        with:
+          name: app-release-apk
+          path: app/build/outputs/apk/release/*.apk
+          retention-days: 60

app/build.gradle.kts

@@ -0,0 +1,57 @@
+plugins {
+    id("com.android.application")
+}
+
+android {
+    namespace = "com.gazlaws.codeboard"
+    compileSdk = 37
+
+    defaultConfig {
+        applicationId = "com.gazlaws.codeboard"
+        minSdk = 23
+        targetSdk = 37
+        versionCode = 24
+        versionName = "7.0.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        debug {
+            applicationIdSuffix = ".debug"
+            versionNameSuffix =
+              System.getenv("GITHUB_RUN_NUMBER")
+                ?.let { "-debug-$it" }
+                ?: "-debug"
+
+        }
+        release {
+            // Sign release build with debug key (if release not available) so it's installable from CI
+            val releaseConfig = signingConfigs.findByName("release")
+            signingConfig = releaseConfig ?: signingConfigs.getByName("debug")
+            isMinifyEnabled = true
+            isShrinkResources = true
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_21
+        targetCompatibility = JavaVersion.VERSION_21
+    }
+}
+
+dependencies {
+    implementation("androidx.appcompat:appcompat:1.7.1")
+    implementation("androidx.preference:preference:1.2.1")
+    implementation("com.google.android.material:material:1.12.0")
+    implementation("com.github.AppIntro:AppIntro:6.3.1")
+    implementation("com.github.evilbunny2008:android-material-color-picker-dialog:1.3.7")
+
+    testImplementation("junit:junit:4.13.2")
+    implementation("androidx.annotation:annotation:1.10.0")
+    androidTestImplementation("androidx.annotation:annotation:1.10.0")
+    androidTestImplementation("androidx.test:core:1.7.0")
+    androidTestImplementation("androidx.test:runner:1.7.0")
+    androidTestImplementation("androidx.test.ext:junit:1.3.0")
+}

app/proguard-rules.pro

@@ -1,17 +1,55 @@
-# Add project specific ProGuard rules here.
-# By default, the flags in this file are appended to flags specified
-# in C:\Users\Ruby\AppData\Local\Android\sdk/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the proguardFiles
-# directive in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# Add any project specific keep options here:
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
+# Project-specific ProGuard rules for Codeboard
+# These rules ensure that essential classes are kept to prevent installation and runtime issues.
+
+# Keep all project classes to ensure the IME and main activities function correctly
+-keep class com.gazlaws.codeboard.** { *; }
+
+# Keep Input Method Service and its internal implementations
+-keep class * extends android.inputmethodservice.InputMethodService
+-keep class * extends android.inputmethodservice.InputMethodService$InputMethodImpl
+
+# AndroidX and Material Design components keep rules (Prevents issues with inflation and reflection)
+-keep class androidx.appcompat.** { *; }
+-keep class com.google.android.material.** { *; }
+-keep class androidx.preference.** { *; }
+-keep class androidx.annotation.** { *; }
+-keep class androidx.core.** { *; }
+
+# External Libraries: AppIntro and Color Picker
+-keep class com.github.appintro.** { *; }
+-keep class com.github.evilbunny2008.** { *; }
+
+# Maintain standard Android component entry points
+-keepattributes *Annotation*, Signature, SourceFile, LineNumberTable
+-keep public class * extends android.app.Activity
+-keep public class * extends android.app.Application
+-keep public class * extends android.app.Service
+-keep public class * extends android.content.BroadcastReceiver
+-keep public class * extends android.content.ContentProvider
+-keep public class * extends android.app.backup.BackupAgentHelper
+-keep public class * extends android.preference.Preference
+
+# Support for Javascript interfaces if utilized in WebViews
+-keepclassmembers class * {
+    @android.webkit.JavascriptInterface <methods>;
+}
+
+# Preserve R class for resource access via reflection or dynamic lookup
+-keep class **.R$* { *; }
+
+# Maintain View constructors and setters for XML layout inflation
+-keepclassmembers class * extends android.view.View {
+   public <init>(android.content.Context);
+   public <init>(android.content.Context, android.util.AttributeSet);
+   public <init>(android.content.Context, android.util.AttributeSet, int);
+   public void set*(...);
+}
+
+# Kotlin metadata preservation for hybrid interoperability
+-keep class kotlin.Metadata { *; }
+-dontwarn kotlin.**
+-dontwarn org.jetbrains.kotlin.**
+
+# Suppress warnings from common libraries that may be safely ignored during minification
+-dontwarn androidx.**
+-dontwarn com.google.android.material.**

app/src/debug/res/values/strings.xml

@@ -0,0 +1,4 @@
+<resources>
+    <string name="app_name">CodeBoard Debug</string>
+    <string name="codeboard_ime">Debug CodeBoard IME</string>
+</resources>