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@@ -1,31 +1,55 @@ |
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package de.edotzlaff.schockwelle; |
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import androidx.annotation.NonNull; |
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import androidx.fragment.app.FragmentActivity; |
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import android.Manifest; |
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import android.content.pm.PackageManager; |
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import android.location.Location; |
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import android.os.Bundle; |
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import android.os.SystemClock; |
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import android.util.Log; |
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import android.widget.TextView; |
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import android.widget.Toast; |
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import androidx.annotation.NonNull; |
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import androidx.core.app.ActivityCompat; |
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import androidx.core.content.ContextCompat; |
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import androidx.fragment.app.FragmentActivity; |
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import com.google.android.gms.location.FusedLocationProviderClient; |
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import com.google.android.gms.location.LocationServices; |
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import com.google.android.gms.maps.CameraUpdateFactory; |
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import com.google.android.gms.maps.GoogleMap; |
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import com.google.android.gms.maps.OnMapReadyCallback; |
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import com.google.android.gms.maps.SupportMapFragment; |
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import com.google.android.gms.maps.model.LatLng; |
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import com.google.android.gms.maps.model.MarkerOptions; |
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import com.google.android.gms.tasks.OnCompleteListener; |
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import com.google.android.gms.tasks.Task; |
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import com.google.firebase.database.DataSnapshot; |
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import com.google.firebase.database.DatabaseError; |
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import com.google.firebase.database.DatabaseReference; |
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import com.google.firebase.database.FirebaseDatabase; |
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import com.google.firebase.database.ValueEventListener; |
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import org.w3c.dom.Text; |
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import java.util.Calendar; |
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import java.util.Date; |
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public class SensorMapsActivity extends FragmentActivity implements OnMapReadyCallback { |
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private static final String TAG = "MainActivity"; |
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private static final String FINE_LOCATION = Manifest.permission.ACCESS_FINE_LOCATION; |
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private static final int LOCATION_PERMISSION_REQUEST_CODE = 1234; |
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//vars |
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private Boolean mLocationPermissionsGranted = false; |
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private GoogleMap mMap; |
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private FusedLocationProviderClient mFusedLocationProviderClient; |
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Date currentTime; |
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Location currentLocation; |
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private double breitengrad; |
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private double laengengrad; |
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private DatabaseReference mDatenbank; |
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@Override |
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@@ -35,7 +59,39 @@ public class SensorMapsActivity extends FragmentActivity implements OnMapReadyCa |
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TextView tv= (TextView) findViewById(R.id.txtSensor); |
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initMap(); |
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getLocationPermission(); //Zuerst werden die aktuellen Standortdaten ermittelt |
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//getDataBaseValues(); // Hier werden die Daten von der DB abgefragt //TODO Aron: sobald die Methode aufgerufen wird crashed die APP |
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//distance(currentLocation.getLatitude(), currentLocation.getLongitude(),breitengrad,laengengrad); //Übergabe zur Berechnung der Distanz zwischen Auslöser und aktuellem Standort |
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//TODO Patrick: die Funktion distance gibt Meter zurück, könntest Du das mit dem Zeitstempel und der Berechnung bis zur Vibration machen? |
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} |
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private void getLocationPermission() { |
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String[] permissions = {Manifest.permission.ACCESS_FINE_LOCATION}; |
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if (ContextCompat.checkSelfPermission(this.getApplicationContext(), FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) { |
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mLocationPermissionsGranted = true; |
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initMap(); |
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} else { |
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ActivityCompat.requestPermissions(this, permissions, LOCATION_PERMISSION_REQUEST_CODE); |
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} |
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} |
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@Override |
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public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { |
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super.onRequestPermissionsResult(requestCode, permissions, grantResults); |
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mLocationPermissionsGranted = false; |
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switch (requestCode) { |
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case LOCATION_PERMISSION_REQUEST_CODE: { |
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if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { |
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mLocationPermissionsGranted = true; |
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//initalize or map |
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initMap(); |
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} |
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} |
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} |
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} |
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void initMap(){ |
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@@ -47,14 +103,60 @@ public class SensorMapsActivity extends FragmentActivity implements OnMapReadyCa |
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@Override |
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public void onMapReady(GoogleMap googleMap) { |
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Toast.makeText(this, "Map is ready", Toast.LENGTH_SHORT).show(); |
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mMap = googleMap; |
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if (mLocationPermissionsGranted) { |
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getDeviceLocation(); |
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if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) |
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!= PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, |
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Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { |
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return; |
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} |
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mMap.setMyLocationEnabled(true); |
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} |
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// Add a marker in Sydney and move the camera |
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LatLng sydney = new LatLng(-34, 151); |
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mMap.addMarker(new MarkerOptions().position(sydney).title("Marker in Sydney")); |
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mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney)); |
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} |
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private void getDeviceLocation(){ |
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mFusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this); |
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try { |
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if (mLocationPermissionsGranted){ |
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final Task location = mFusedLocationProviderClient.getLastLocation(); |
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location.addOnCompleteListener(new OnCompleteListener() { |
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@Override |
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public void onComplete(@NonNull Task task) { |
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if (task.isSuccessful()){ |
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currentLocation = (Location) task.getResult(); |
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currentTime = Calendar.getInstance().getTime(); |
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Toast.makeText(SensorMapsActivity.this, currentTime.toString(), Toast.LENGTH_SHORT).show(); |
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moveCamera(new LatLng(currentLocation.getLatitude(), currentLocation.getLongitude()),15f); |
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} |
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else{ |
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Toast.makeText(SensorMapsActivity.this, "Current Location unavailable", Toast.LENGTH_SHORT).show(); |
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} |
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} |
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}); |
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} |
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}catch (SecurityException e){ |
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Log.e(TAG,"Device Location not found" + e.getMessage()); |
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} |
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} |
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private void moveCamera(LatLng latlng, float zoom){ |
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Log.d(TAG,"Latitude: "+latlng.latitude+"Longitude: "+latlng.longitude); |
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mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latlng, zoom)); |
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} |
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//TODO Edward: Mit Methode getDataBaseValues werden die Werte in der DB abgefragt. In Methode processDataBaseValues werden diese beispielhaft ausgelesen. Kann nach Bedarf angepasst werden. |
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public void getDataBaseValues() |
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{ |
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@@ -119,16 +221,15 @@ public class SensorMapsActivity extends FragmentActivity implements OnMapReadyCa |
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Log.w("Datenbankfehler", error.toException()); |
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} |
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//TODO Edward Distanz zwischen zwei Punkten berechnen |
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//TODO Edward Dauer für Timer berechnen bis Smartphone vibriert |
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/* |
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private float distance(double currentlatitude, double currentlongitude, double originLat, double originLon) { |
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float[] results = new float[1]; |
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Location.distanceBetween(currentlatitude, currentlongitude, -34, 151, results); |
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Location.distanceBetween(currentlatitude, currentlongitude, originLat, originLon, results); |
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float distanceInMeters = results[0]; |
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return distanceInMeters; |
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} |
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*/ |
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} |