Demo app foundations

.editorconfig

@@ -0,0 +1,5 @@
+# https://editorConfig.org
+root = true
+
+[*.{kt,kts}]
+ktlint_function_naming_ignore_when_annotated_with = Composable

app/build.gradle.kts

@@ -36,6 +36,12 @@ android {
     kotlinOptions {
         jvmTarget = "1.8"
     }
+    buildFeatures {
+        compose = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.8"
+    }
     detekt {
         config.setFrom("${project.rootDir}/config/detekt/detekt.yml")
         source.setFrom("src")
@@ -46,10 +52,22 @@ android {
 }
 
 dependencies {
+    // Demo App dependencies
     implementation("androidx.core:core-ktx:1.12.0")
     implementation("androidx.appcompat:appcompat:1.6.1")
     implementation("com.google.android.material:material:1.11.0")
+
+    implementation(platform("androidx.compose:compose-bom:2023.08.00"))
+    implementation("androidx.activity:activity-compose:1.8.2")
+    implementation("androidx.compose.ui:ui")
+    implementation("androidx.compose.ui:ui-graphics")
+    implementation("androidx.compose.ui:ui-tooling-preview")
+    implementation("androidx.compose.material3:material3")
+
+    // Unit Test dependencies
     testImplementation("junit:junit:4.13.2")
+
+    // Android Test dependencies
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
 }

app/src/main/AndroidManifest.xml

@@ -11,6 +11,19 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.Gravatar"
-        tools:targetApi="31" />
+        tools:targetApi="31">
+
+        <activity
+            android:name=".demoapp.MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.Gravatar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
 
 </manifest>

app/src/main/java/com/gravatar/demoapp/MainActivity.kt

@@ -0,0 +1,48 @@
+package com.gravatar.demoapp
+
+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.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import com.gravatar.demoapp.theme.GravatarDemoAppTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            GravatarDemoAppTheme {
+                Surface(
+                    modifier = Modifier.fillMaxSize(),
+                    color = MaterialTheme.colorScheme.background,
+                ) {
+                    Greeting("Android")
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun Greeting(
+    name: String,
+    modifier: Modifier = Modifier,
+) {
+    Text(
+        text = "Hello $name!",
+        modifier = modifier,
+    )
+}
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    GravatarDemoAppTheme {
+        Greeting("Android")
+    }
+}

app/src/main/java/com/gravatar/demoapp/theme/Color.kt

@@ -0,0 +1,11 @@
+package com.gravatar.demoapp.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/gravatar/demoapp/theme/Theme.kt

@@ -0,0 +1,72 @@
+package com.gravatar.demoapp.theme
+
+import android.app.Activity
+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.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+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 GravatarDemoAppTheme(
+    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
+        }
+    val view = LocalView.current
+    if (!view.isInEditMode) {
+        SideEffect {
+            val window = (view.context as Activity).window
+            window.statusBarColor = colorScheme.primary.toArgb()
+            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+        }
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content,
+    )
+}

app/src/main/java/com/gravatar/demoapp/theme/Type.kt

@@ -0,0 +1,36 @@
+package com.gravatar.demoapp.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
+    )
+     */
+    )

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

@@ -1,3 +1,3 @@
 <resources>
-    <string name="app_name">gravatar</string>
-</resources>
+    <string name="app_name">Gravatar Demo App</string>
+</resources>