CameraActivity

class CameraActivity : AppCompatActivity, SensorEventListener, CameraInstance, GarbageView

Main activity that displays a camera preview and allows users to take screenshots of their connected pc.

Constructors

CameraActivity

fun CameraActivity()

Functions

capturePhoto

private fun capturePhoto()

Captures a camera image via cameraProvider and sends it to the connected server via sendCaptureRequest.

checkForFirstRun

private fun checkForFirstRun(context: Context): Boolean

Checks whether the app is started for the first time and opens AppTutorial if that is the case.

clearGarbage

open override fun clearGarbage()

Manual garbage collection of listeners and other resources, which could lead to memory leaks

getActivity

open override fun getActivity(): Activity

Returns this activity

getMatchingOptionsFromPref

private fun getMatchingOptionsFromPref(): HashMap<Any?, Any?>

Retrieves the matching mode from sp and returns it.

getOrientation

open override fun getOrientation(): Int

Returns the current phoneOrientation

getTextureView

open override fun getTextureView(): TextureView

Returns the preview TextureView of the CameraActivity.

hideStatusAndActionBars

private fun hideStatusAndActionBars()

Hides the status and action bars.

initActivityReferences

private fun initActivityReferences()

Initializes all listeners and observers relevant to the activity

initViewModels

private fun initViewModels()

Initializes galleryViewModel, serverConnectionViewModel, captureViewModel and registers Observers

initViews

private fun initViews()

Initiates all views.

onAccuracyChanged

open override fun onAccuracyChanged(sensor: Sensor?, accuracy: Int)

onActivityResult

protected open override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?)

Callback for when the ResultsActivity is finished.

onBackPressed

open override fun onBackPressed()

Callback for when the back button is pressed.

onCloseSelectDeviceFragment

fun onCloseSelectDeviceFragment()

Closes com/pda/screenshotmatcher2/views/fragments/rotationFragments/SelectDeviceFragment.kt

onCreate

@RequiresApi(value = 24)

protected open override fun onCreate(savedInstanceState: Bundle?)

onDestroy

protected open override fun onDestroy()

onKeyDown

open override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean

Callback for listening to key events.

onMatchRequestError

fun onMatchRequestError()

Callback for when sending the match request fails.

onMatchResult

fun onMatchResult(matchID: String, img: ByteArray)

Callback for when the server answers to a match request with a match.

onOpenErrorFragment

fun onOpenErrorFragment(uid: String)

Opens com/pda/screenshotmatcher2/views/fragments/ErrorFragment.kt

onOpenSelectDeviceFragment

fun onOpenSelectDeviceFragment()

Opens com/pda/screenshotmatcher2/views/fragments/rotationFragments/SelectDeviceFragment.kt

onOrientationChanged

private fun onOrientationChanged()

Callback that updates the layout of this activity and rotates all rotationFragments.

onPause

protected open override fun onPause()

Unregisters mSensorManager

onPermissionDenied

fun onPermissionDenied()

Callback for when the server denies a match request.

onRequestPermissionsResult

open override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray)

Callback for permission request results. Calls verifyPermissions if a permission has not been granted.

onResume

protected open override fun onResume()

Registers mSensorManager

onSaveInstanceState

protected open override fun onSaveInstanceState(outState: Bundle)

Saves state of an instance when it gets finished

onSensorChanged

open override fun onSensorChanged(event: SensorEvent?)

Listens to SensorEvents and calls onOrientationChanged when the device orientation changes.

resetViewModels

private fun resetViewModels()

restoreFromSavedInstance

private fun restoreFromSavedInstance(savedInstanceState: Bundle)

Resumes state when an instance gets restored

setupSharedPref

private fun setupSharedPref()

Initiates the shared preferences.

setViewListeners

private fun setViewListeners()

Sets all view listeners.

startResultsActivity

private fun startResultsActivity(matchID: String, img: ByteArray)

Starts ResultsActivity.

updateConnectionStatus

private fun updateConnectionStatus(isConnected: Boolean)

Updates mSelectDeviceButton and mSelectDeviceButtonText to match the new connection status.

Properties

BG_MODE_PREF_KEY

private lateinit var BG_MODE_PREF_KEY: String

cameraActivityFragmentHandler

var cameraActivityFragmentHandler: CameraActivityFragmentHandler? = null

Instance of CameraActivityFragmentHandler, manages fragments

cameraProvider

private var cameraProvider: CameraProvider? = null

captureCallback

private val captureCallback: CameraActivity.<no name provided>

captureViewModel

private var captureViewModel: CaptureViewModel? = null

CaptureViewModel that provides two way data bindings to access CaptureModel

didStartResultsActivity

private var didStartResultsActivity: Boolean = false

galleryViewModel

private var galleryViewModel: GalleryViewModel? = null

GalleryViewModel that provides two way data bindings to access images of the internal gallery

isCapturing

var isCapturing: Boolean = false

Whether or no a capture request is currently ongoing or not

mAccelerometer

private var mAccelerometer: Sensor? = null

Sensor, used get mSensorManager

MATCHING_MODE_PREF_KEY

private lateinit var MATCHING_MODE_PREF_KEY: String

The key to access the type of matching mode via sp

mCaptureButton

private lateinit var mCaptureButton: ImageButton

Button that captures an image starts a new match request

mCaptureButtonListener

private lateinit var mCaptureButtonListener: View.OnClickListener

Listener that listens to events of mCaptureButton

mFragmentDarkBackground

private lateinit var mFragmentDarkBackground: FrameLayout

Dark background, displayed when a Fragment is being opened

mGalleryButton

private lateinit var mGalleryButton: ImageButton

Button that opens GalleryFragment

mSelectDeviceButton

private lateinit var mSelectDeviceButton: ImageButton

Button that opens SelectDeviceFragment

mSelectDeviceButtonListener

private lateinit var mSelectDeviceButtonListener: View.OnClickListener

Lister that listens to events of mSelectDeviceButton

mSelectDeviceButtonText

private lateinit var mSelectDeviceButtonText: TextView

Text that's being displayed on mSelectDeviceButton. "Disconnected" or "HOSTNAME", depending on serverConnectionViewModel connection status.

mSensorManager

private var mSensorManager: SensorManager? = null

SensorManager, used to register CameraActivity as a listener for orientation changes

mSettingsButton

private lateinit var mSettingsButton: ImageButton

Button that opens SettingsFragment

phoneOrientation

var phoneOrientation: Int = 0

The current device orientation. Possible values: Surface.ROTATION_0, Surface.ROTATION_90, Surface.ROTATION_180, Surface.ROTATION_270

serverConnectionViewModel

private var serverConnectionViewModel: ServerConnectionViewModel? = null

ServerConnectionViewModel that provides two way data bindings to access ServerConnectionModel

private lateinit var sp: SharedPreferences

The shared preferences of the application