Managing permissions with Compose

MainActivity.kt

@ExperimentalPermissionsApi
@Composable
private fun BuildCameraUI() {
val cameraPermissionState = rememberPermissionState(Manifest.permission.CAMERA)
        PermissionRequired(
            permissionState = cameraPermissionState,
            permissionNotGrantedContent = {
                Column(
                    Modifier
                        .fillMaxSize()
                        .then(Modifier.padding(16.dp)),
                    horizontalAlignment = Alignment.CenterHorizontally
                ) {
                    Text(stringResource(R.string.camera_permission_info_0))
                    Spacer(modifier = Modifier.height(8.dp))
                    Row {
                        Button(onClick = {
                            cameraPermissionState.launchPermissionRequest()
                        }) {
                            Text(stringResource(R.string.camera_permission_grantbutton_0))
                        }
                    }
                }
            },
            permissionNotAvailableContent = {
                Column(
                    Modifier
                        .fillMaxSize()
                        .then(Modifier.padding(16.dp)),
                    horizontalAlignment = Alignment.CenterHorizontally
                ) {
                    Text(stringResource(R.string.camera_permission_info_1))
                    Spacer(modifier = Modifier.height(8.dp))
                    Row {
                        Button(onClick = {
                            openSettingsScreen()
                        }) {
                            Text(stringResource(R.string.camera_permission_grantbutton_1))
                        }
                    }
                }
            }
        ) {
            ----------------------
               YOUR MAIN LAYOUT
            ----------------------
            }
        }
}