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Jetpack-Compose-Playground/docs/general/helloworld.md

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+# Hello World Compose
+
+### Setup the project
+First setup your [Project Setup](getting_started.md)
+
+
+### Write a simple Compose function
+
+A basic Compose View is using a normal Kotlin function which is annotated with @Composable
+
+
+```kotlin
+@Composable
+fun HelloWorld() {
+   Text("Hello World!")
+}
+```
+
+### Use a Compose function as a view in your android app
+
+ To use the HelloWorld() function in your App you have to use the setContent() extension function inside a onCreate() in an Activity.
+
+
+```kotlin
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContent {
+                HelloWorld()
+        }
+    }
+}
+```