// ClickMe Example
// Source code file: MainActivity.kt
// When button is clicked, change its text to "I've been clicked.

package it372.ssmith.clickme
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.Button
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp

class MainActivity : ComponentActivity() {


    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge( )

        setContent {
            ClickMeLayout(  )
        }
    }
}

@Composable
fun ClickMeLayout( ) {

    // Use remember with a MutableState class to contain the
    // current text in the Text element.
    var newCaption = remember { mutableStateOf("Click Me") }

    Button(onClick = { newCaption.value = "I\'ve been clicked." },
        modifier = Modifier.padding(all = 100.dp))
    {
        Text(newCaption.value, color = Color.White,
            fontSize = 20.sp)
    }

}

@Preview(showBackground = true)
@Composable
fun PreviewLayout( ) {
    ClickMeLayout( )
}