Lavanyagaur22

public static ArrayList<Float> final_faces_array(float percent, float[] arr, float comparable_percent) {
        float len = arr.length; //length of array
        float min_no = (percent / 100)  *len; //number of faces wanted
        float last_face = 0;
        float secondlast_face = 0;

        //maintain an arraylist because if we keep an array we would have to initialize it with the size which can be max = len, but in case
        //the number of elements are less then array space is wasted.
        ArrayList<Float> faceslist = new ArrayList<>();
        for (int i = 0; i < min_no; i++)

Lavanyagaur22

...
    try {
            fusedLocationProviderClient.requestLocationUpdates(
                locationRequest, locationCallback, Looper.myLooper())
        } catch (se: SecurityException) {
            Log.e(TAG, "Lost location permissions. Couldn't remove updates. $se")
            //Create a function to request necessary permissions from the app.
            
            checkAndStartLocationUpdates()
        }

Lavanyagaur22

val removeTask = fusedLocationProviderClient.removeLocationUpdates(locationCallback)
removeTask.addOnCompleteListener { task ->
   if (task.isSuccessful) {
       Log.d(TAG, "Location Callback removed.")
       stopSelf()
   } else {
       Log.d(TAG, "Failed to remove Location Callback.")
   }
}

Lavanyagaur22

locationCallback = object : LocationCallback() {
   override fun onLocationResult(locationResult: LocationResult?) {
       super.onLocationResult(locationResult)

       if (locationResult?.lastLocation != null) {

           // Get the currentLocation from the locationResult object.
           currentLocation = locationResult.lastLocation

           // Notify our Activity that a new location was added. 

Lavanyagaur22

   // Sets the desired interval for active location updates. This interval is inexact. You
   // may not receive updates at all if no location sources are available, or you may
   // receive them less frequently than requested. You may also receive updates more
   // frequently than requested if other applications are requesting location at a more
   // frequent interval.
   
locationRequest = LocationRequest().apply {
   // Sets the desired interval for active location updates. 
   interval = TimeUnit.SECONDS.toMillis(60)

Lavanyagaur22

// FusedLocationProviderClient - MainActivity class for receiving location updates.
private lateinit var fusedLocationProviderClient: FusedLocationProviderClient

// LocationRequest - Requirements for the location updates, i.e., how often you
// should receive updates, the priority, etc.
private lateinit var locationRequest: LocationRequest

// LocationCallback - Called when FusedLocationProviderClient has a new Location.
private lateinit var locationCallback: LocationCallback

Lavanyagaur22

// FusedLocationProviderClient - MainActivity class for receiving location updates.
private lateinit var fusedLocationProviderClient: FusedLocationProviderClient

override fun onCreate(savedInstanceState: Bundle?) {
    // ...

    fusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this)
}

Lavanyagaur22

fusedLocationProviderClient.lastLocation.apply {
            addOnFailureListener{
               //Handle the failure of the call. You can show an error dialogue or a toast stating the failure in receiving location.
            }
            addOnSuccessListener {
                //Got last known location. (Can be null sometimes)            
                
                //You ca extract the details from the client, like the latitude and longitude of the place and use it accordingly. 
                myLat = it.latitude
                myLong = it.longitude                

Lavanyagaur22

private lateinit var fusedLocationClient: FusedLocationProviderClient

override fun onCreate(savedInstanceState: Bundle?) {
    // ...

    fusedLocationClient = LocationServices.getFusedLocationProviderClient(this)
}

Lavanyagaur22

//detector is an instane of FirebaseVisionTextRecognizer 
detector.processImage(image)
   .addOnSuccessListener { firebaseVisionText ->
                    // Task completed successfully

                    for (block in firebaseVisionText.textBlocks) {
                        val blockText = block.text
                        val blockFrame = block.boundingBox
                      
                        for (line in block.lines) {