用 Compose 实现个空调，为你的夏日带去清凉

Column(
    modifier = Modifier
        .fillMaxSize()
        .statusBarsPadding()
        .navigationBarsPadding(),
    verticalArrangement = Arrangement.Top,
    horizontalAlignment = Alignment.CenterHorizontally,
) {
    Spacer(modifier = Modifier.height(50.dp))
    Text(text = "便携小空调", fontSize = 25.sp)
    Text(
        text = "Tip: 为你的夏日带去清凉！",
        fontSize = 15.sp,
        modifier = Modifier.padding(bottom = 20.dp)
    )
}

@Composable
private fun Conditioner() {
    Card(
        modifier = Modifier
            .fillMaxWidth()
            .height(100.dp)
            .padding(horizontal = 20.dp),
        shape = RoundedCornerShape(
            topStart = 18f,
            topEnd = 18f,
            bottomStart = 36f,
            bottomEnd = 36f
        )
    ) {
        Column {
            Divider(
                modifier = Modifier.padding(top = 6.dp),
                thickness = 0.4.dp,
            )
            Row(
                modifier = Modifier
                    .fillMaxSize()
                    .background(color = Color.White)
                    .padding(6.dp)
            ) {
                Image(
                    painter = painterResource(id = R.mipmap.logo),
                    contentDescription = "",
                )
                Column(
                    modifier = Modifier
                        .fillMaxSize(),
                    verticalArrangement = Arrangement.Top,
                    horizontalAlignment = Alignment.End,
                ) {
                    Image(
                        painter = painterResource(id = R.drawable.ic_snow),
                        contentDescription = "",
                        modifier = Modifier.size(25.dp)
                    )
                    Spacer(modifier = Modifier.height(5.dp))
                    Text(
                        text = "23°C",
                        fontSize = 20.sp,
                        fontFamily = FontFamily(Font(R.font.lcd, FontWeight.SemiBold))
                    )
                }
            }
        }
    }
}

// 空调开关
val airSwitch = rememberSaveable { mutableStateOf(false) }
// 温度
val temperature = rememberSaveable { mutableStateOf(23) }
// 类型，制冷还是制热
val airType = rememberSaveable { mutableStateOf(true) }
Row(modifier = Modifier.padding(10.dp)) {
    Button(onClick = { airType.value = true }, shape = RoundedCornerShape(15.dp)) {
        Text(text = "冷风")
    }
    Switch(checked = airSwitch.value, onCheckedChange = {
        airSwitch.value = !airSwitch.value
    })
    Button(onClick = { airType.value = false }, shape = RoundedCornerShape(15.dp)) {
        Text(text = "热风")
    }
}
Button(onClick = {
    if (temperature.value >= 31) {
        showToast(context, "温度不能再高了！！！")
        Log.e(TAG, "AirConditioner: 太热了")
        return@Button
    }
    temperature.value = temperature.value + 1
}, shape = RoundedCornerShape(15.dp)) {
    Text(text = "+")
}
Button(onClick = {
    if (temperature.value <= 16) {
        showToast(context, "温度不能再低了！！！")
        Log.e(TAG, "AirConditioner: 太冷了")
        return@Button
    }
    temperature.value = temperature.value - 1
}, shape = RoundedCornerShape(15.dp)) {
    Text(text = "-")
}