التحقّق من إمكانات الجهاز في وقت التشغيل لنظارات الصوت ونظارات العرض

// Check device capabilities
val projectedDeviceController = ProjectedDeviceController.create(this@ProjectedMainActivity)
isVisualUiSupported = projectedDeviceController.capabilities.contains(CAPABILITY_VISUAL_UI)
ProjectedMainActivity.kt

ProjectedDisplayController.create(activity).addPresentationModeChangedListener {
    presentationModeFlags ->

    val areVisualsOff = !presentationModeFlags.hasPresentationMode(VISUALS_ON)
}

var projectedDisplayController = ProjectedDisplayController.create(activity)

projectedDisplayController.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)

@OptIn(ExperimentalProjectedApi::class)
private var deviceController: ProjectedDeviceController? = null

private val batteryListener = { batteryState: BatteryState ->
    val batteryLevel = batteryState.batteryLevel
    val isCharging = batteryState.isCharging

    if (batteryLevel <= 15 && !isCharging) {
        switchToLowPowerMode()
    }

    updateBatteryUi(batteryLevel, isCharging)
}
// ...

@OptIn(ExperimentalProjectedApi::class)
private fun monitorBatteryStatus() {
    lifecycleScope.launch {
        try {
            if (deviceController == null) {
                deviceController = ProjectedDeviceController.create(this@PhoneMainActivity)
            }

            if (lifecycle.currentState.isAtLeast(Lifecycle.State.RESUMED)) {
                deviceController?.addBatteryStateChangedListener(coroutineContext, batteryListener)
            }
        } catch (e: Exception) {
            Log.e("BatteryMonitor", "Unexpected error: ${e.message}")
        }
    }
}
PhoneMainActivity.kt

@OptIn(ExperimentalProjectedApi::class)
override fun onDestroy() {
    super.onDestroy()
    // Unregisters the active listeners
    deviceController?.close()
    deviceController = null
}
PhoneMainActivity.kt

@OptIn(ExperimentalProjectedApi::class)
override fun onPause() {
    super.onPause()
    // Explicitly unregister the listener when it is no longer needed
    deviceController?.removeBatteryStateChangedListener(batteryListener)
}
PhoneMainActivity.kt