Resolve "Disable start button"

android/app/src/main/java/de/hft/geotracker/GeofenceBroadcastReceiver.kt

@@ -4,12 +4,15 @@ import android.content.BroadcastReceiver
 import android.content.ContentValues.TAG
 import android.content.Context
 import android.content.Intent
+import android.content.SharedPreferences
 import android.util.Log
 import com.google.android.gms.location.Geofence
 import com.google.android.gms.location.GeofenceStatusCodes
 import com.google.android.gms.location.GeofencingEvent
+import de.hft.geotracker.activities.MainActivity
 
 class GeofenceBroadcastReceiver : BroadcastReceiver() {
+
     override fun onReceive(context: Context?, intent: Intent?) {
         val geofencingEvent = GeofencingEvent.fromIntent(intent)
         if (geofencingEvent.hasError()) {
@@ -23,16 +26,27 @@ class GeofenceBroadcastReceiver : BroadcastReceiver() {
         val geofenceTransition = geofencingEvent.geofenceTransition
 
         // Test that the reported transition was of interest.
-        if (geofenceTransition == Geofence.GEOFENCE_TRANSITION_ENTER || 
+        if (geofenceTransition == Geofence.GEOFENCE_TRANSITION_ENTER) {
-            geofenceTransition == Geofence.GEOFENCE_TRANSITION_EXIT) {
+            context!!.getSharedPreferences("LOCATION", Context.MODE_PRIVATE)
-//            MainActivity().showFence()
+                ?.edit()
+                ?.putBoolean("ENABLED", true)
+                ?.apply()
+
             // Get the geofences that were triggered. A single event can trigger
             // multiple geofences.
             val triggeringGeofences = geofencingEvent.triggeringGeofences
-
             // Get the transition details as a String.
-            val geofenceTransitionDetails = "Transition: " + geofenceTransition + "\nTriggering Geofences: " + triggeringGeofences.toString()
+            val geofenceTransitionDetails = "Transition: $geofenceTransition\nTriggering Geofences: $triggeringGeofences"
+            println("Success Transition: ")
+            Log.i(TAG, geofenceTransitionDetails)
+        } else if (geofenceTransition == Geofence.GEOFENCE_TRANSITION_EXIT) {
+            context!!.getSharedPreferences("LOCATION", Context.MODE_PRIVATE)
+                ?.edit()
+                ?.putBoolean("ENABLED", false)
+                ?.apply()
 
+            val triggeringGeofences = geofencingEvent.triggeringGeofences
+            val geofenceTransitionDetails = "Transition: $geofenceTransition\nTriggering Geofences: $triggeringGeofences"
             println("Success Transition: ")
             Log.i(TAG, geofenceTransitionDetails)
         } else {
@@ -41,4 +55,5 @@ class GeofenceBroadcastReceiver : BroadcastReceiver() {
             Log.e(TAG, geofenceTransition.toString())
         }
     }
+
 }

android/app/src/main/java/de/hft/geotracker/activities/MainActivity.kt

@@ -2,6 +2,7 @@ package de.hft.geotracker.activities
 
 import android.Manifest.permission.ACCESS_FINE_LOCATION
 import android.app.PendingIntent
+import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.location.Location
@@ -17,32 +18,58 @@ import androidx.core.app.ActivityCompat.requestPermissions
 import com.google.android.gms.location.*
 import de.hft.geotracker.GeofenceBroadcastReceiver
 import de.hft.geotracker.R
+import kotlinx.android.synthetic.main.activity_home.*
+import kotlin.properties.Delegates
 
 
 class MainActivity : AppCompatActivity() {
-    lateinit var fusedLocationClient : FusedLocationProviderClient
+    lateinit var fusedLocationClient: FusedLocationProviderClient
-    lateinit var locationRequest : LocationRequest
+    lateinit var locationRequest: LocationRequest
     lateinit var locationCallback: LocationCallback
-    lateinit var geofencingClient : GeofencingClient
+    lateinit var geofencingClient: GeofencingClient
-    lateinit var geofence : Geofence
+    lateinit var geofence: Geofence
-    lateinit var actionButton : TextView
+    lateinit var actionButton: TextView
+    var running = false
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         setSupportActionBar(findViewById(R.id.my_toolbar))
         setContentView(R.layout.activity_home)
 
+        this.getSharedPreferences("LOCATION", Context.MODE_PRIVATE)
+            ?.edit()
+            ?.putBoolean("ENABLED", false)
+            ?.apply()
+        getSharedPreferences("LOCATION", Context.MODE_PRIVATE)
+            .registerOnSharedPreferenceChangeListener { sharedPreferences, key ->
+                val btnState = sharedPreferences.getBoolean("ENABLED", false)
+
+                println("Buttonstate: $btnState")
+                if (btnState) {
+                    button_start_stop?.setBackgroundColor(resources.getColor(R.color.logo_blue))
+                } else {
+                    button_start_stop?.setBackgroundColor(resources.getColor(R.color.colorPrimaryDark))
+                    if (running) {
+                        button_start_stop.toggle()
+                        callStartStop()
+                    }
+                }
+                button_start_stop.isEnabled = btnState
+            }
+
         //        val builder = LocationSettingsRequest.Builder().addLocationRequest(locationRequest)
         createLocationRequest()
         fusedLocationClient = LocationServices.getFusedLocationProviderClient(this)
         if (ActivityCompat.checkSelfPermission(this, ACCESS_FINE_LOCATION) !=
-                PackageManager.PERMISSION_GRANTED) {
+            PackageManager.PERMISSION_GRANTED
+        ) {
             requestPermissions(this, arrayOf(ACCESS_FINE_LOCATION), 1000)
         }
         locationCallback = object : LocationCallback() {
             override fun onLocationResult(locationResult: LocationResult?) {
                 locationResult ?: return
-                for (location in locationResult.locations){
+                for (location in locationResult.locations) {
                     // Update UI with location data
                     findViewById<TextView>(R.id.latitude).text = location.latitude.toString()
                     findViewById<TextView>(R.id.longitude).text = location.longitude.toString()
@@ -55,7 +82,7 @@ class MainActivity : AppCompatActivity() {
             .setExpirationDuration(Geofence.NEVER_EXPIRE)
             .setTransitionTypes(Geofence.GEOFENCE_TRANSITION_ENTER or Geofence.GEOFENCE_TRANSITION_EXIT)
             .build()
-        geofencingClient?.addGeofences(getGeofencingRequest(), geofencePendingIntent)?.run {
+        geofencingClient.addGeofences(getGeofencingRequest(), geofencePendingIntent)?.run {
             addOnSuccessListener {
                 println("Geofence added")
             }
@@ -64,10 +91,14 @@ class MainActivity : AppCompatActivity() {
             }
         }
 
+
+
         val spinner: Spinner = findViewById(R.id.account_spinner)
         // Create an ArrayAdapter using the string array and a default spinner layout
-        ArrayAdapter.createFromResource(this,
+        ArrayAdapter.createFromResource(
-            R.array.accounts, android.R.layout.simple_spinner_item).also { adapter ->
+            this,
+            R.array.accounts, android.R.layout.simple_spinner_item
+        ).also { adapter ->
             // Specify the layout to use when the list of choices appears
             adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
             // Apply the adapter to the spinner
@@ -80,16 +111,22 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun callStartStop() {
-        println("StartStop pressed")
+
-        fusedLocationClient.lastLocation
+        running = !running
-            .addOnSuccessListener { location : Location? ->
+        println("StartStop pressed: $running")
-                if (location != null) {
+        //ToDO call /track Endpoint
-                    var label = findViewById<TextView>(R.id.display_acc)
+    }
-                    label.text = location.latitude.toString()
+
-                } else {
+    fun disableButton() {
-                    println("Location = null")
+        val btn = findViewById<TextView>(R.id.button_start_stop)
-                }
+        btn.isEnabled = false
-            }
+        btn?.setBackgroundColor(resources.getColor(R.color.colorPrimaryDark))
+
+    }
+    fun enableButton() {
+        val btn = findViewById<TextView>(R.id.button_start_stop)
+        btn.isEnabled = true
+        btn?.setBackgroundColor(resources.getColor(R.color.logo_blue))
     }
 
     override fun onResume() {
@@ -98,10 +135,13 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun startLocationUpdates() {
-        fusedLocationClient.requestLocationUpdates(locationRequest,
+        fusedLocationClient.requestLocationUpdates(
+            locationRequest,
             locationCallback,
-            Looper.getMainLooper())
+            Looper.getMainLooper()
+        )
     }
+
     private fun createLocationRequest() {
         locationRequest = LocationRequest.create().apply {
             interval = 10000
@@ -109,12 +149,14 @@ class MainActivity : AppCompatActivity() {
             priority = LocationRequest.PRIORITY_HIGH_ACCURACY
         }
     }
-    private fun getGeofencingRequest() : GeofencingRequest {
+
+    private fun getGeofencingRequest(): GeofencingRequest {
         return GeofencingRequest.Builder().apply {
             setInitialTrigger(GeofencingRequest.INITIAL_TRIGGER_ENTER)
             addGeofence(geofence)
         }.build()
     }
+
     private val geofencePendingIntent: PendingIntent by lazy {
         val intent = Intent(this, GeofenceBroadcastReceiver::class.java)
         // We use FLAG_UPDATE_CURRENT so that we get the same pending intent back when calling

android/app/src/main/res/layout/activity_home.xml

@@ -62,8 +62,9 @@
         android:layout_marginStart="@dimen/margin16"
         android:layout_marginEnd="@dimen/margin16"
         android:layout_marginBottom="@dimen/margin16"
-        android:background="@drawable/outlined_button_filled"
+        android:background="@color/colorPrimaryDark"
         android:checked="true"
+        android:enabled="false"
         android:textAppearance="@style/text_style"
         android:textOff="@string/stop"
         android:textOn="@string/btn_start_text"