Initial app creation

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"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-feature
+        android:name="android.hardware.touchscreen"
+        android:required="false" />
+    <uses-feature
+        android:name="android.software.leanback"
+        android:required="false" />
+
+    <application
+        android:allowBackup="true"
+        android:banner="@mipmap/ic_launcher"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Dolphin">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/github/damontecres/dolphin/MainActivity.kt

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+package com.github.damontecres.dolphin
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.tv.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.RectangleShape
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.tv.material3.ExperimentalTvMaterial3Api
+import androidx.tv.material3.Surface
+import com.github.damontecres.dolphin.ui.theme.DolphinTheme
+
+class MainActivity : ComponentActivity() {
+    @OptIn(ExperimentalTvMaterial3Api::class)
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            DolphinTheme {
+                Surface(
+                    modifier = Modifier.fillMaxSize(),
+                    shape = RectangleShape
+                ) {
+                    Greeting("Android")
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun Greeting(name: String, modifier: Modifier = Modifier) {
+    Text(
+        text = "Hello $name!",
+        modifier = modifier
+    )
+}
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    DolphinTheme {
+        Greeting("Android")
+    }
+}

app/src/main/java/com/github/damontecres/dolphin/ui/theme/Color.kt

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+package com.github.damontecres.dolphin.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/com/github/damontecres/dolphin/ui/theme/Theme.kt

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+package com.github.damontecres.dolphin.ui.theme
+
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.runtime.Composable
+import androidx.tv.material3.ExperimentalTvMaterial3Api
+import androidx.tv.material3.MaterialTheme
+import androidx.tv.material3.darkColorScheme
+import androidx.tv.material3.lightColorScheme
+
+@OptIn(ExperimentalTvMaterial3Api::class)
+@Composable
+fun DolphinTheme(
+    isInDarkTheme: Boolean = isSystemInDarkTheme(),
+    content: @Composable () -> Unit,
+) {
+    val colorScheme = if (isInDarkTheme) {
+        darkColorScheme(
+            primary = Purple80,
+            secondary = PurpleGrey80,
+            tertiary = Pink80
+        )
+    } else {
+        lightColorScheme(
+            primary = Purple40,
+            secondary = PurpleGrey40,
+            tertiary = Pink40
+        )
+    }
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}

app/src/main/java/com/github/damontecres/dolphin/ui/theme/Type.kt

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+package com.github.damontecres.dolphin.ui.theme
+
+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
+import androidx.tv.material3.ExperimentalTvMaterial3Api
+import androidx.tv.material3.Typography
+
+// Set of Material typography styles to start with
+@OptIn(ExperimentalTvMaterial3Api::class)
+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
+    )
+    */
+)

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

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+<resources>
+    <string name="app_name">Dolphin</string>
+</resources>

app/src/main/res/values/themes.xml

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+<resources>
+
+    <style name="Theme.Dolphin" parent="Theme.AppCompat.DayNight.NoActionBar" />
+</resources>