android: bootstrap phase-0 compose project skeleton

android/README.md

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+# Android App (Phase 0)
+
+Минимальный каркас Android-клиента на Kotlin + Jetpack Compose.
+
+## Что уже есть
+- Gradle multi-module root (`:app`)
+- Compose `MainActivity`
+- Базовые зависимости для дальнейшей реализации
+
+## Следующий шаг
+1. Добавить network layer (Retrofit/OkHttp + auth interceptor).
+2. Внедрить DI и feature-модули.
+3. Поднять auth flow (email-first) и chat list.

android/app/build.gradle.kts

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+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "ru.daemonlord.messenger"
+    compileSdk = 35
+
+    defaultConfig {
+        applicationId = "ru.daemonlord.messenger"
+        minSdk = 26
+        targetSdk = 35
+        versionCode = 1
+        versionName = "0.1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+
+    buildFeatures {
+        compose = true
+    }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.15"
+    }
+
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+
+dependencies {
+    implementation("androidx.core:core-ktx:1.15.0")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.8.7")
+    implementation("androidx.activity:activity-compose:1.10.1")
+    implementation("androidx.compose.ui:ui:1.7.6")
+    implementation("androidx.compose.ui:ui-tooling-preview:1.7.6")
+    implementation("androidx.compose.material3:material3:1.3.1")
+    implementation("androidx.navigation:navigation-compose:2.8.5")
+
+    debugImplementation("androidx.compose.ui:ui-tooling:1.7.6")
+    debugImplementation("androidx.compose.ui:ui-test-manifest:1.7.6")
+}

android/app/proguard-rules.pro

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+# App-specific ProGuard rules.

android/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@android:drawable/sym_def_app_icon"
+        android:label="@string/app_name"
+        android:roundIcon="@android:drawable/sym_def_app_icon"
+        android:supportsRtl="true"
+        android:theme="@android:style/Theme.Material.Light.NoActionBar">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

android/app/src/main/java/ru/daemonlord/messenger/MainActivity.kt

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+package ru.daemonlord.messenger
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            MaterialTheme {
+                Surface(modifier = Modifier.fillMaxSize()) {
+                    AppRoot()
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun AppRoot() {
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(24.dp),
+        verticalArrangement = Arrangement.Center,
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        Text(text = "Benya Messenger Android", style = MaterialTheme.typography.headlineSmall)
+        Text(text = "Phase 0 skeleton is ready.", style = MaterialTheme.typography.bodyMedium)
+    }
+}

android/app/src/main/res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Benya Messenger</string>
+</resources>

android/build.gradle.kts

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+plugins {
+    id("com.android.application") version "8.7.2" apply false
+    id("org.jetbrains.kotlin.android") version "2.0.21" apply false
+}

android/gradle.properties

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+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+android.useAndroidX=true
+android.enableJetifier=true
+kotlin.code.style=official

android/settings.gradle.kts

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+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "BenyaMessengerAndroid"
+include(":app")