feat: #4 Chat UI

.github/workflows/gradle.yml

@@ -0,0 +1,25 @@
+name: Gradle CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        java: [17]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: ${{ matrix.java }}
+      - uses: gradle/gradle-build-action@v2
+      - run: chmod +x gradlew
+      - run: ./gradlew clean
+#      - run: ./gradlew build

README.md

@@ -12,6 +12,15 @@
 
 ## Code
 
+### Build
+
+Set `apiKey=<value>` in `local.properties`
+
+```
+./gradlew clean
+./gradlew build
+```
+
 ...
 
 ## Submission Details

app/build.gradle.kts

@@ -1,15 +1,16 @@
 plugins {
-    alias(libs.plugins.androidApplication)
-    alias(libs.plugins.jetbrainsKotlinAndroid)
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id("com.google.android.libraries.mapsplatform.secrets-gradle-plugin")
 }
 
 android {
-    namespace = "ai.elimu.soga"
+    namespace = "com.google.ai.soga"
     compileSdk = 34
 
     defaultConfig {
-        applicationId = "ai.elimu.soga"
-        minSdk = 34
+        applicationId = "com.google.ai.soga"
+        minSdk = 26
         targetSdk = 34
         versionCode = 1000000
         versionName = "1.0.0"
@@ -20,15 +21,6 @@ android {
         }
     }
 
-    buildTypes {
-        release {
-            isMinifyEnabled = false
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
-            )
-        }
-    }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
@@ -40,30 +32,32 @@ android {
         compose = true
     }
     composeOptions {
-        kotlinCompilerExtensionVersion = "1.5.1"
-    }
-    packaging {
-        resources {
-            excludes += "/META-INF/{AL2.0,LGPL2.1}"
-        }
+        kotlinCompilerExtensionVersion = "1.5.4"
     }
 }
 
 dependencies {
+    implementation("androidx.core:core-ktx:1.9.0")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.6.2")
+    implementation("androidx.activity:activity-compose:1.8.1")
+    implementation("androidx.navigation:navigation-compose:2.7.5")
 
-    implementation(libs.androidx.core.ktx)
-    implementation(libs.androidx.lifecycle.runtime.ktx)
-    implementation(libs.androidx.activity.compose)
-    implementation(platform(libs.androidx.compose.bom))
-    implementation(libs.androidx.ui)
-    implementation(libs.androidx.ui.graphics)
-    implementation(libs.androidx.ui.tooling.preview)
-    implementation(libs.androidx.material3)
-    testImplementation(libs.junit)
-    androidTestImplementation(libs.androidx.junit)
-    androidTestImplementation(libs.androidx.espresso.core)
-    androidTestImplementation(platform(libs.androidx.compose.bom))
-    androidTestImplementation(libs.androidx.ui.test.junit4)
-    debugImplementation(libs.androidx.ui.tooling)
-    debugImplementation(libs.androidx.ui.test.manifest)
-}
+    implementation(platform("androidx.compose:compose-bom:2023.10.01"))
+    implementation("androidx.compose.ui:ui")
+    implementation("androidx.compose.ui:ui-graphics")
+    implementation("androidx.compose.ui:ui-tooling-preview")
+    implementation("androidx.compose.material3:material3")
+
+    implementation("io.coil-kt:coil-compose:2.5.0")
+
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    androidTestImplementation(platform("androidx.compose:compose-bom:2023.03.00"))
+    androidTestImplementation("androidx.compose.ui:ui-test-junit4")
+    debugImplementation("androidx.compose.ui:ui-tooling")
+    debugImplementation("androidx.compose.ui:ui-test-manifest")
+
+    implementation("com.google.ai.client.generativeai:generativeai:0.2.2")
+}

app/src/main/AndroidManifest.xml

@@ -10,12 +10,11 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.Soga">
+        tools:targetApi="31">
         <activity
             android:name=".MainActivity"
             android:exported="true"
-            android:label="@string/app_name"
-            android:theme="@style/Theme.Soga">
+            android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
@@ -24,4 +23,4 @@
         </activity>
     </application>
 
-</manifest>
+</manifest>

app/src/main/kotlin/com/google/ai/soga/GenerativeAiViewModelFactory.kt

@@ -0,0 +1,36 @@
+package com.google.ai.soga
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewmodel.CreationExtras
+import com.google.ai.client.generativeai.GenerativeModel
+import com.google.ai.client.generativeai.type.generationConfig
+import com.google.ai.soga.feature.chat.ChatViewModel
+
+val GenerativeViewModelFactory = object : ViewModelProvider.Factory {
+    override fun <T : ViewModel> create(
+        viewModelClass: Class<T>,
+        extras: CreationExtras
+    ): T {
+        val config = generationConfig {
+            temperature = 0.7f
+        }
+
+        return with(viewModelClass) {
+            when {
+                isAssignableFrom(ChatViewModel::class.java) -> {
+                    // Initialize a GenerativeModel with the `gemini-pro` AI model for chat
+                    val generativeModel = GenerativeModel(
+                        modelName = "gemini-1.0-pro",
+                        apiKey = BuildConfig.apiKey,
+                        generationConfig = config
+                    )
+                    ChatViewModel(generativeModel)
+                }
+
+                else ->
+                    throw IllegalArgumentException("Unknown ViewModel class: ${viewModelClass.name}")
+            }
+        } as T
+    }
+}

app/src/main/kotlin/com/google/ai/soga/MainActivity.kt

@@ -0,0 +1,44 @@
+package com.google.ai.soga
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.ui.Modifier
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.rememberNavController
+import com.google.ai.soga.feature.chat.ChatRoute
+import com.google.ai.soga.ui.theme.GenerativeAISample
+
+class MainActivity : ComponentActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContent {
+            GenerativeAISample {
+                // A surface container using the 'background' color from the theme
+                Surface(
+                    modifier = Modifier.fillMaxSize(),
+                    color = MaterialTheme.colorScheme.background
+                ) {
+                    val navController = rememberNavController()
+
+                    NavHost(navController = navController, startDestination = "menu") {
+                        composable("menu") {
+                            MenuScreen(onItemClicked = { routeId ->
+                                navController.navigate(routeId)
+                            })
+                        }
+                        composable("chat") {
+                            ChatRoute()
+                        }
+                    }
+                }
+            }
+        }
+    }
+}