Updated android app to use compose

app/build.gradle.kts

@@ -1,8 +1,9 @@
 import com.android.build.api.dsl.ManagedVirtualDevice
 
 plugins {
-    id("com.android.application")
-    id("org.jetbrains.kotlin.android")
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.compose)
 }
 
 android {
@@ -36,7 +37,7 @@ android {
         jvmTarget = libs.versions.build.jvmTarget.get()
     }
     buildFeatures {
-        viewBinding = true
+        compose = true
     }
     testOptions {
         unitTests {
@@ -75,10 +76,20 @@ android {
 }
 
 dependencies {
-    implementation(libs.android.material)
-    implementation(libs.androidx.navigation.fragment.ktx)
-    implementation(libs.androidx.navigation.ui.ktx)
+    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(kotlin("test"))
     androidTestImplementation(kotlin("test"))
-    androidTestImplementation(libs.espresso.core)
+    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)
 }

app/src/main/AndroidManifest.xml

@@ -10,11 +10,13 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.ManagedVirtualDevice"
+        android:theme="@style/Theme.MyApplication"
         tools:targetApi="31">
         <activity
             android:name="siarhei.luskanau.managed.virtual.device.MainActivity"
-            android:exported="true">
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.MyApplication">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/src/main/java/siarhei/luskanau/managed/virtual/device/MainActivity.kt

@@ -1,59 +1,49 @@
+@file:Suppress("FunctionNaming")
+
 package siarhei.luskanau.managed.virtual.device
 
 import android.os.Bundle
-import android.view.Menu
-import android.view.MenuItem
-import androidx.appcompat.app.AppCompatActivity
-import androidx.core.view.WindowCompat
-import androidx.navigation.findNavController
-import androidx.navigation.ui.AppBarConfiguration
-import androidx.navigation.ui.navigateUp
-import androidx.navigation.ui.setupActionBarWithNavController
-import com.google.android.material.snackbar.Snackbar
-import siarhei.luskanau.managed.virtual.device.databinding.ActivityMainBinding
-
-class MainActivity : AppCompatActivity() {
-    private lateinit var appBarConfiguration: AppBarConfiguration
-    private lateinit var binding: ActivityMainBinding
-
+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 siarhei.luskanau.managed.virtual.device.ui.theme.MyApplicationTheme
+
+class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
-        WindowCompat.setDecorFitsSystemWindows(window, false)
         super.onCreate(savedInstanceState)
-
-        binding = ActivityMainBinding.inflate(layoutInflater)
-        setContentView(binding.root)
-
-        setSupportActionBar(binding.toolbar)
-
-        val navController = findNavController(R.id.nav_host_fragment_content_main)
-        appBarConfiguration = AppBarConfiguration(navController.graph)
-        setupActionBarWithNavController(navController, appBarConfiguration)
-
-        binding.fab.setOnClickListener { view ->
-            Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
-                .setAnchorView(R.id.fab)
-                .setAction("Action", null).show()
+        enableEdgeToEdge()
+        setContent {
+            MyApplicationTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+                    Greeting(
+                        name = "Android",
+                        modifier = Modifier.padding(innerPadding)
+                    )
+                }
+            }
         }
     }
+}
 
-    override fun onCreateOptionsMenu(menu: Menu): Boolean {
-        // Inflate the menu; this adds items to the action bar if it is present.
-        menuInflater.inflate(R.menu.menu_main, menu)
-        return true
-    }
-
-    override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        // Handle action bar item clicks here. The action bar will
-        // automatically handle clicks on the Home/Up button, so long
-        // as you specify a parent activity in AndroidManifest.xml.
-        return when (item.itemId) {
-            R.id.action_settings -> true
-            else -> super.onOptionsItemSelected(item)
-        }
-    }
+@Composable
+fun Greeting(name: String, modifier: Modifier = Modifier) {
+    Text(
+        text = "Hello $name!",
+        modifier = modifier
+    )
+}
 
-    override fun onSupportNavigateUp(): Boolean {
-        val navController = findNavController(R.id.nav_host_fragment_content_main)
-        return navController.navigateUp(appBarConfiguration) || super.onSupportNavigateUp()
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    MyApplicationTheme {
+        Greeting("Android")
     }
 }

app/src/main/java/siarhei/luskanau/managed/virtual/device/ui/theme/Color.kt

@@ -0,0 +1,13 @@
+@file:Suppress("MagicNumber")
+
+package siarhei.luskanau.managed.virtual.device.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)

app/src/main/java/siarhei/luskanau/managed/virtual/device/ui/theme/Theme.kt

@@ -0,0 +1,59 @@
+@file:Suppress("FunctionNaming")
+
+package siarhei.luskanau.managed.virtual.device.ui.theme
+
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Purple80,
+    secondary = PurpleGrey80,
+    tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = Purple40,
+    secondary = PurpleGrey40,
+    tertiary = Pink40
+
+    /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+     */
+)
+
+@Composable
+fun MyApplicationTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    // Dynamic color is available on Android 12+
+    dynamicColor: Boolean = true,
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        }
+
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}

app/src/main/java/siarhei/luskanau/managed/virtual/device/ui/theme/Type.kt

@@ -0,0 +1,34 @@
+package siarhei.luskanau.managed.virtual.device.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+    bodyLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.5.sp
+    )
+    /* Other default text styles to override
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 11.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    )
+     */
+)