오디오 글래스 및 디스플레이 글래스의 하드웨어 권한 요청

<manifest ...>
    <!-- Only declare permissions that your app actually needs. In this example,
    we declare permissions for the camera. -->
    <uses-permission android:name="android.permission.CAMERA"/>
    <application ...>
        ...
    </application>
</manifest>

// Register the permissions launcher using the ProjectedPermissionsResultContract.
private val requestPermissionLauncher: ActivityResultLauncher<List<ProjectedPermissionsRequestParams>> =
    registerForActivityResult(ProjectedPermissionsResultContract()) { results ->
        if (results[Manifest.permission.CAMERA] == true) {
            isPermissionDenied = false
            initializeGlassesFeatures()
        } else {
            // Handle permission denial.
            isPermissionDenied = true
        }
    }
ProjectedMainActivity.kt

private fun requestHardwarePermissions() {
    val params = ProjectedPermissionsRequestParams(
        permissions = listOf(Manifest.permission.CAMERA),
        rationale = "Camera access is required to overlay digital content on your physical environment."
    )
    requestPermissionLauncher.launch(listOf(params))
}
ProjectedMainActivity.kt

// Request the projected permission from phone activity
requestPermissions(
    arrayOf(Manifest.permission.CAMERA),
    // REQUEST_CODE_GLASSES_CAMERA is a developer-defined constant
    REQUEST_CODE_GLASSES_CAMERA,
    projectedDeviceId
)
PermissionsFromPhoneActivity.kt

private companion object {
    // REQUEST_CODE_GLASSES_CAMERA is a developer-defined constant.
    const val REQUEST_CODE_GLASSES_CAMERA = 1001
}

@RequiresApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
override fun onRequestPermissionsResult(
    requestCode: Int,
    permissions: Array<out String>,
    grantResults: IntArray,
    deviceId: Int
) {
    super.onRequestPermissionsResult(requestCode, permissions, grantResults, deviceId)

    // Handle the result of the permission request
    if (requestCode == REQUEST_CODE_GLASSES_CAMERA && deviceId == projectedDeviceId) {
        if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
            // Proceed with glasses camera features
        } else {
            // Handle glasses permission denied
        }
    }
}
PermissionsFromPhoneActivity.kt