CRT Button

Code

import androidx.compose.foundation.border
import androidx.compose.foundation.clickable
import androidx.compose.foundation.interaction.MutableInteractionSource
import androidx.compose.foundation.interaction.collectIsHoveredAsState
import androidx.compose.foundation.interaction.collectIsPressedAsState
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.material.Icon
import androidx.compose.material.Text
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.ArrowOutward
import androidx.compose.runtime.Composable
import androidx.compose.runtime.derivedStateOf
import androidx.compose.runtime.getValue
import androidx.compose.runtime.remember
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.scale
import androidx.compose.ui.input.pointer.PointerIcon
import androidx.compose.ui.input.pointer.pointerHoverIcon
import androidx.compose.ui.text.font.FontFamily
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import demos.effects.CRTBox
import theme.Colors

@Composable
fun CRTButton() {
    CRTBox(
        xSize = 0f,
        ySize = 5f,
    ) {
        val interaction = remember { MutableInteractionSource() }

        val isHovered by interaction.collectIsHoveredAsState()
        val isPressed by interaction.collectIsPressedAsState()

        val color by remember {
            derivedStateOf {
                when {
                    isPressed -> Colors.White
                    isHovered -> Colors.Yellow200
                    else -> Colors.Blue500
                }
            }
        }

        val scale by remember {
            derivedStateOf {
                when {
                    isPressed -> .96f
                    isHovered -> .98f
                    else -> 1f
                }
            }
        }

        Row(
            modifier = Modifier
                .pointerHoverIcon(PointerIcon.Hand)
                .clickable(
                    interactionSource = interaction,
                    indication = null
                ) {

                }
                .scale(scale)
                .border(
                    width = 8.dp,
                    color = color,
                    shape = CircleShape
                )
                .padding(vertical = 16.dp, horizontal = 24.dp),
            verticalAlignment = Alignment.CenterVertically,
        ) {
            Text(
                text = "Open in app",
                color = color,
                fontSize = 32.sp,
                fontFamily = FontFamily.Monospace,
                fontWeight = FontWeight.Bold,
            )
            Spacer(Modifier.width(16.dp))
            Icon(
                imageVector = Icons.Default.ArrowOutward,
                contentDescription = null,
                tint = color,
                modifier = Modifier
                    .size(32.dp)
            )
        }
    }
}

The details and code for `CRTBox` can be found in this article: https://www.sinasamaki.com/creating-a-crt-screen-effect-in-jetpack-compose/