TopAppBar.kt

topBar = {
            TopAppBar(
                colors = TopAppBarDefaults.topAppBarColors(
                    containerColor = Color.Magenta,
                    titleContentColor = Color.Yellow,
                    navigationIconContentColor = Color.White
                ),
                title = {
                    Text("Dashboard")
                },
                navigationIcon = {
                    IconButton(onClick = {
                        activity?.finish()
                    }) {
                        Icon(Icons.Default.ArrowBack, contentDescription = null)
                    }
                },
                actions = {
                    IconButton(onClick = {}) {
                        Icon(Icons.Default.Search, contentDescription = "Search")
                    }
                    IconButton(onClick = {}) {
                        Icon(Icons.Default.Settings, contentDescription = "Settings")
                    }
                },

                )
        },