Initial commit

shared/src/androidMain/kotlin/App.android.kt

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+import androidx.compose.runtime.Composable
+
+@Composable
+fun MainView() = App()

shared/src/commonMain/kotlin/App.kt

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+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun App() {
+    MaterialTheme {
+        var greeting by remember { mutableStateOf("Hello world!") }
+        Column(
+            modifier = Modifier.fillMaxSize(),
+            verticalArrangement = Arrangement.Center,
+            horizontalAlignment = Alignment.CenterHorizontally
+        ) {
+            Text(text = greeting)
+            Spacer(Modifier.padding(15.dp))
+            Button(onClick = { greeting = "Hello Jetpack Compose Multiplatform!" }) {
+                Text(text = "Greeting")
+            }
+        }
+    }
+}

shared/src/desktopMain/kotlin/App.desktop.kt

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+import androidx.compose.runtime.Composable
+
+@Composable
+fun MainView() = App()

shared/src/iosMain/kotlin/App.ios.kt

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+@file:Suppress("unused")
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.window.ComposeUIViewController
+
+fun createUIViewController() = ComposeUIViewController { MainView() }
+
+@Composable
+fun MainView() = App()