add first batch of Kotlin snippets for Firebase AI Logic

.editorconfig

@@ -1,2 +1,3 @@
 [*.{java,kt}]
 max_line_length = 120
+indent_size = 2

build.gradle.kts

@@ -10,6 +10,7 @@ plugins {
     id("com.google.firebase.firebase-perf") version "1.4.2" apply false
     id("androidx.navigation.safeargs") version "2.9.0" apply false
     id("com.github.ben-manes.versions") version "0.52.0" apply true
+    alias(libs.plugins.composeCompiler) apply false
 }
 
 allprojects {

firebase-ai/.gitignore

@@ -0,0 +1 @@
+/build

firebase-ai/build.gradle.kts

@@ -0,0 +1,62 @@
+plugins {
+    alias(libs.plugins.androidApplication)
+    alias(libs.plugins.jetbrainsKotlinAndroid)
+    alias(libs.plugins.composeCompiler)
+}
+
+android {
+    namespace = "com.google.firebase.example.ai"
+    compileSdk = 36
+
+    defaultConfig {
+        applicationId = "com.google.firebase.example.ai"
+        minSdk = 21
+        targetSdk = 36
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+    buildFeatures {
+        compose = true
+    }
+}
+
+dependencies {
+
+    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)
+
+    implementation(libs.firebase.ai)
+
+    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)
+}

firebase-ai/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# 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 *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

firebase-ai/src/main/AndroidManifest.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Snippetsandroid">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.Snippetsandroid">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

firebase-ai/src/main/java/com/google/firebase/example/ai/MainActivity.kt

@@ -0,0 +1,47 @@
+package com.google.firebase.example.ai
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import com.google.firebase.example.ai.ui.theme.SnippetsandroidTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            SnippetsandroidTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+                    Greeting(
+                        name = "Android",
+                        modifier = Modifier.padding(innerPadding)
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun Greeting(name: String, modifier: Modifier = Modifier) {
+    Text(
+        text = "Hello $name!",
+        modifier = modifier
+    )
+}
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    SnippetsandroidTheme {
+        Greeting("Android")
+    }
+}

firebase-ai/src/main/java/com/google/firebase/example/ai/googleai/FirebaseAILogic.kt

@@ -0,0 +1,19 @@
+package com.google.firebase.example.ai.googleai
+
+import com.google.firebase.Firebase
+import com.google.firebase.ai.ai
+import com.google.firebase.ai.type.GenerativeBackend
+
+class FirebaseAILogic {
+
+  private fun initialization() {
+    // [START initialize_googleai_and_model]
+    // Initialize the Gemini Developer API backend service
+    // Create a `GenerativeModel` instance with a model that supports your use case
+    val model = Firebase.ai(backend = GenerativeBackend.googleAI())
+      .generativeModel("gemini-2.0-flash")
+    // [END initialize_googleai_and_model]
+  }
+
+
+}