Android JetPack Compose

Android JetPack Compose

import androidx.compose.Composable
import androidx.ui.core.Text
import androidx.ui.core.setContent
import androidx.ui.engine.geometry.Rect
import androidx.ui.engine.geometry.size
import androidx.ui.graphics.Color
import androidx.ui.layout.Container
import androidx.ui.material.MaterialTheme
import androidx.ui.material.surface.Surface
import androidx.ui.tooling.preview.Preview
import androidx.compose.state
import androidx.compose.unaryPlus
import androidx.compose.Ambient
import androidx.compose.remember
import androidx.compose.Model

@Composable
fun HelloWorld() {
    Text(text = "Hello World!")
}

@Preview
@Composable
fun DefaultPreview() {
    MaterialTheme {
        HelloWorld()
    }
}