Implemented Geofence and updated package structure

android/app/src/main/AndroidManifest.xml

@@ -3,7 +3,6 @@
     package="de.hft.geotracker">
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
-
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
 
     <!-- Required if your app targets Android 10 (API level 29) or higher -->
@@ -17,22 +16,23 @@
         android:usesCleartextTraffic="true"
         android:theme="@style/AppTheme">
 
-        <activity android:name=".Register" />
+        <activity android:name=".activities.Register" />
         <activity
-            android:name=".Settings"
+            android:name=".activities.Settings"
             android:label="@string/title_activity_settings" />
-        <activity android:name=".Login">
+        <activity android:name=".activities.Login">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".MainActivity">
+        <activity android:name=".activities.MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
             </intent-filter>
         </activity>
+        <receiver android:name=".GeofenceBroadcastReceiver"/>
     </application>
 
 </manifest>

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

@@ -0,0 +1,44 @@
+package de.hft.geotracker
+
+import android.content.BroadcastReceiver
+import android.content.ContentValues.TAG
+import android.content.Context
+import android.content.Intent
+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
+
+class GeofenceBroadcastReceiver : BroadcastReceiver() {
+    override fun onReceive(context: Context?, intent: Intent?) {
+        val geofencingEvent = GeofencingEvent.fromIntent(intent)
+        if (geofencingEvent.hasError()) {
+            val errorMessage = GeofenceStatusCodes.getStatusCodeString(geofencingEvent.errorCode)
+            println("Event error")
+            Log.e(TAG, errorMessage)
+            return
+        }
+
+        // Get the transition type.
+        val geofenceTransition = geofencingEvent.geofenceTransition
+
+        // Test that the reported transition was of interest.
+        if (geofenceTransition == Geofence.GEOFENCE_TRANSITION_ENTER || 
+            geofenceTransition == Geofence.GEOFENCE_TRANSITION_EXIT) {
+//            MainActivity().showFence()
+            // 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()
+
+            println("Success Transition: ")
+            Log.i(TAG, geofenceTransitionDetails)
+        } else {
+            // Log the error.
+            println("Error Transition: ")
+            Log.e(TAG, geofenceTransition.toString())
+        }
+    }
+}

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

@@ -1,4 +1,4 @@
-package de.hft.geotracker
+package de.hft.geotracker.activities
 
 import android.content.Intent
 import android.os.Bundle
@@ -6,7 +6,10 @@ import androidx.fragment.app.Fragment
 import android.widget.TextView
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
-import okhttp3.HttpUrl
+import de.hft.geotracker.*
+import de.hft.geotracker.data.JWToken
+import de.hft.geotracker.retrofit.GeofenceService
+import de.hft.geotracker.retrofit.ValuesUserLogin
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
@@ -51,7 +54,12 @@ class Login  : AppCompatActivity() {
     private fun login() {
         val name = findViewById<TextView>(R.id.setting_input_username).text.toString()
         val pswd = findViewById<TextView>(R.id.input_password).text.toString()
-        var call= service.login(ValuesUserLogin(name, pswd))
+        var call= service.login(
+            ValuesUserLogin(
+                name,
+                pswd
+            )
+        )
 
         call.enqueue(object : Callback<Void> {
             override fun onResponse(call: Call<Void>?, response: Response<Void>?) {
@@ -62,7 +70,6 @@ class Login  : AppCompatActivity() {
                         token = JWToken(authentication!!)
                         println(response.code())
                         println(token.token)
-
                         startActivity(intent)
                 } else {
                     if (response != null) {

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

@@ -1,35 +1,30 @@
-package de.hft.geotracker
+package de.hft.geotracker.activities
 
 import android.Manifest.permission.ACCESS_FINE_LOCATION
-import android.annotation.SuppressLint
+import android.app.PendingIntent
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.location.Location
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.os.Looper
-import android.view.Menu
-import android.view.MenuInflater
 import android.view.MenuItem
-import android.view.Window
 import android.widget.ArrayAdapter
-import android.widget.AutoCompleteTextView
 import android.widget.Spinner
 import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
 import androidx.core.app.ActivityCompat
 import androidx.core.app.ActivityCompat.requestPermissions
-import androidx.navigation.findNavController
-import androidx.databinding.DataBindingUtil
-import androidx.navigation.ui.NavigationUI
 import com.google.android.gms.location.*
-import com.google.android.material.textfield.TextInputLayout
+import de.hft.geotracker.GeofenceBroadcastReceiver
-import java.util.jar.Manifest
+import de.hft.geotracker.R
 
 
 class MainActivity : AppCompatActivity() {
     lateinit var fusedLocationClient : FusedLocationProviderClient
     lateinit var locationRequest : LocationRequest
     lateinit var locationCallback: LocationCallback
+    lateinit var geofencingClient : GeofencingClient
+    lateinit var geofence : Geofence
     lateinit var actionButton : TextView
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -51,29 +46,28 @@ class MainActivity : AppCompatActivity() {
                     // Update UI with location data
                     findViewById<TextView>(R.id.latitude).text = location.latitude.toString()
                     findViewById<TextView>(R.id.longitude).text = location.longitude.toString()
-                    findViewById<TextView>(R.id.altitude).text = location.altitude.toString()
                 }
             }
         }
-//        val binding = DataBindingUtil.setContentView(this, R.layout.activity_main)
+        geofencingClient = LocationServices.getGeofencingClient(this)
-//        val navController = this.findNavController(R.id.HostFragment)
+        geofence = Geofence.Builder().setRequestId("Test")
-//        NavigationUI.setupActionBarWithNavController(this, navController)
+            .setCircularRegion(48.3575, 8.9745, 50F)
-
+            .setExpirationDuration(Geofence.NEVER_EXPIRE)
-//        val dropdown : TextInputLayout = findViewById(R.id.filled_exposed_dropdown)
+            .setTransitionTypes(Geofence.GEOFENCE_TRANSITION_ENTER or Geofence.GEOFENCE_TRANSITION_EXIT)
-        /*val editTextFilledExposedDropdown : AutoCompleteTextView = findViewById(R.id.filled_exposed_dropdown)
+            .build()
-        ArrayAdapter.createFromResource(this, R.array.accounts, R.layout.spinner_layout).also {
+        geofencingClient?.addGeofences(getGeofencingRequest(), geofencePendingIntent)?.run {
-            arrayAdapter -> arrayAdapter.setDropDownViewResource(R.layout.spinner_layout)
+            addOnSuccessListener {
-            editTextFilledExposedDropdown.setAdapter(arrayAdapter)
+                println("Geofence added")
-        }*/
+            }
-
+            addOnFailureListener {
-        /*val array = arrayOf("Test1", "Test2")
+                println("Error: " + it.stackTrace.forEach { println(it.toString()) })
-        val a : ArrayAdapter<String> = ArrayAdapter(this, R.layout.spinner_layout, array)
+            }
-        val editTextFilledExposedDropdown : AutoCompleteTextView = findViewById(R.id.filled_exposed_dropdown)
+        }
-        editTextFilledExposedDropdown.setAdapter(a)*/
 
         val spinner: Spinner = findViewById(R.id.account_spinner)
         // Create an ArrayAdapter using the string array and a default spinner layout
-        ArrayAdapter.createFromResource(this, R.array.accounts, android.R.layout.simple_spinner_item).also { adapter ->
+        ArrayAdapter.createFromResource(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
@@ -92,7 +86,6 @@ class MainActivity : AppCompatActivity() {
                 if (location != null) {
                     var label = findViewById<TextView>(R.id.display_acc)
                     label.text = location.latitude.toString()
-
                 } else {
                     println("Location = null")
                 }
@@ -109,13 +102,26 @@ class MainActivity : AppCompatActivity() {
             locationCallback,
             Looper.getMainLooper())
     }
-    fun createLocationRequest() {
+    private fun createLocationRequest() {
         locationRequest = LocationRequest.create().apply {
             interval = 10000
             fastestInterval = 5000
             priority = LocationRequest.PRIORITY_HIGH_ACCURACY
         }
     }
+    private fun getGeofencingRequest() : GeofencingRequest {
+        return GeofencingRequest.Builder().apply {
+            setInitialTrigger(GeofencingRequest.INITIAL_TRIGGER_DWELL)
+            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
+        // addGeofences() and removeGeofences().
+        PendingIntent.getBroadcast(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
+    }
+
     override fun onOptionsItemSelected(item: MenuItem) = when (item.itemId) {
         R.id.settings -> {
             // User chose the "Settings" item, show the app settings UI...

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

@@ -1,9 +1,10 @@
-package de.hft.geotracker
+package de.hft.geotracker.activities
 
 import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.widget.TextView
+import de.hft.geotracker.R
 
 class Register : AppCompatActivity() {
     lateinit var reg : TextView

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

@@ -1,8 +1,9 @@
-package de.hft.geotracker
+package de.hft.geotracker.activities
 
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
 import androidx.preference.PreferenceFragmentCompat
+import de.hft.geotracker.R
 
 class Settings : AppCompatActivity() {
 
@@ -11,7 +12,10 @@ class Settings : AppCompatActivity() {
         setContentView(R.layout.settings_activity)
         supportFragmentManager
             .beginTransaction()
-            .replace(R.id.settings, SettingsFragment())
+            .replace(
+                R.id.settings,
+                SettingsFragment()
+            )
             .commit()
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
     }

android/app/src/main/java/de/hft/geotracker/data/JWToken.kt

@@ -1,3 +1,3 @@
-package de.hft.geotracker
+package de.hft.geotracker.data
 
 data class JWToken (var token : String)

android/app/src/main/java/de/hft/geotracker/retrofit/GeofenceService.kt

@@ -1,4 +1,4 @@
-package de.hft.geotracker
+package de.hft.geotracker.retrofit
 
 import retrofit2.Call
 import retrofit2.http.*
@@ -8,5 +8,4 @@ interface GeofenceService {
     fun login(@Body login_data : ValuesUserLogin) : Call<Void>
 
 
-
 }

android/app/src/main/java/de/hft/geotracker/retrofit/ValuesUserLogin.kt

@@ -1,4 +1,4 @@
-package de.hft.geotracker
+package de.hft.geotracker.retrofit
 
 import com.google.gson.annotations.SerializedName
 

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

@@ -7,7 +7,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@color/background_grey"
-    tools:context=".MainActivity">
+    tools:context=".activities.MainActivity">
 
     <!-- TODO: Update blank fragment layout -->
 
@@ -89,7 +89,6 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="16dp"
-        android:text="dummy"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/longitude" />

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

@@ -5,7 +5,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@color/background_grey"
-    tools:context=".Login">
+    tools:context=".activities.Login">
 
     <EditText
         android:id="@+id/setting_input_username"

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

@@ -6,7 +6,7 @@
     android:layout_height="match_parent"
     android:orientation="vertical"
     android:background="@color/background_grey"
-    tools:context=".MainActivity" >
+    tools:context=".activities.MainActivity" >
 
     <fragment
         android:id="@+id/HostFragment"

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

@@ -5,7 +5,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@color/background_grey"
-    tools:context=".Register">
+    tools:context=".activities.Register">
 
     <EditText
         android:id="@+id/input_password2"

android/app/src/main/res/navigation/navigation.xml

@@ -7,12 +7,12 @@
 
     <fragment
         android:id="@+id/login"
-        android:name="de.hft.geotracker.Login"
+        android:name="de.hft.geotracker.activities.Login"
         android:label="fragment_login"
         tools:layout="@layout/activity_login" />
     <activity
         android:id="@+id/mainActivity"
-        android:name="de.hft.geotracker.MainActivity"
+        android:name="de.hft.geotracker.activities.MainActivity"
         android:label="activity_home"
         tools:layout="@layout/activity_home" />
 </navigation>