мое приложение android падает, когда я пытаюсь получить текущее местоположение в java. Я посмотрел много уроков и попробовал как и все. Кто-нибудь знает, почему происходит сбой приложения, или у кого-то есть рабочее решение для получения координат в Java? Спасибо, ребята!
Основная деятельность:
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.internal.ConnectionCallbacks;
import com.google.android.gms.common.api.internal.OnConnectionFailedListener;
import com.google.android.gms.location.FusedLocationProviderApi;
import com.google.android.gms.location.LocationRequest;
import com.google.firebase.auth.FirebaseAuthException;
import com.google.firebase.database.IgnoreExtraProperties;
import android.Manifest;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.DialogInterface;
import android.content.pm.PackageManager;
import android.content.pm.PermissionInfo;
import android.location.Criteria;
import android.location.LocationProvider;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import com.google.firebase.auth.FirebaseAuthMultiFactorException;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.auth.MultiFactorResolver;
import android.location.Location;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.widget.Toast;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import java.time.format.DateTimeFormatter;
import java.time.LocalDateTime;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.android.material.snackbar.Snackbar;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.IgnoreExtraProperties;
import com.google.firebase.database.DatabaseReference;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.view.View;
import java.io.IOException;
import java.util.Calendar;
import java.util.List;
import java.util.Locale;
import android.app.Activity;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.google.android.gms.location.LocationServices;
import com.google.firebase.database.annotations.NotNull;
import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
import static android.Manifest.permission.ACCESS_FINE_LOCATION;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.location.LocationListener;
public class ZeiterfassungMain extends AppCompatActivity implements LocationListener {
private static final String TAG = "ZeiterfassungMain";
private FirebaseDatabase mDatabase;
private DatabaseReference mDbRef;
private String userId;
Criteria criteria = new Criteria();
LocationManager lm;
int noOfFixes = 0;
private FirebaseAuth mAuth;
private double mLatitude;
private double mLongitude;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final EditText User = (EditText) findViewById(R.id.PasswordTB);
setContentView(R.layout.activity_zeiterfassung_main);
latitudeTextView = (TextView) findViewById(R.id.yourLat);
longitudeTextView = (TextView) findViewById(R.id.yourLong);
GPSTracker mGPS = new GPSTracker(this);
if(mGPS.canGetLocation ){
mGPS.getLocation();
}else{
System.out.println("Unable");
}
}
public void LogOutClick(final View View) {
mAuth.signOut();
startActivity(new Intent(ZeiterfassungMain.this, MainActivity.class));
finish();
}
public void StartClick(Location location) {
//Check if GPS is enabled
SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
SimpleDateFormat formatter2 = new SimpleDateFormat("dd-MM-yyyy;HH:mm:ss");
Date date = new Date();
final EditText orttb = (EditText) findViewById(R.id.OrtTB);
mDatabase = FirebaseDatabase.getInstance();
mDbRef = mDatabase.getReference(MainActivity.LoggedInName + "/" + "Start-" + formatter2.format(date));
//Setting firebase unique key for Hashmap list
String userId = mDbRef.push().getKey();
// creating user object
Users user = new Users("Erfassung Gestartet", orttb.getText().toString() + " - ", formatter.format(date));
mDbRef.child(userId).setValue(user);
}
public class Users {
private String Event;
private String Ort;
private String Uhrzeit;
public Users() {
}
public String getEvent() {
return Event;
}
public void setEvent(String event) {
Event = event;
}
public String getOrt() {
return Ort;
}
public void setOrt(String ort) {
Ort = ort;
}
public String getUhrzeit() {
return Uhrzeit;
}
public void setUhrzeit(String uhrzeit) {
Uhrzeit = uhrzeit;
}
public Users(String event, String ort, String uhrzeit) {
Event = event;
Ort = ort;
Uhrzeit = uhrzeit;
}
}
}
GPSTracker. java Класс:
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.provider.Settings;
import android.util.Log;
public final class GPSTracker implements LocationListener {
private final Context mContext;
// flag for GPS status
public boolean isGPSEnabled = false;
// flag for network status
boolean isNetworkEnabled = false;
// flag for GPS status
boolean canGetLocation = false;
Location location; // location
double latitude; // latitude
double longitude; // longitude
// The minimum distance to change Updates in meters
private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 1; // 10 meters
// The minimum time between updates in milliseconds
private static final long MIN_TIME_BW_UPDATES = 1; // 1 minute
// Declaring a Location Manager
protected LocationManager locationManager;
public GPSTracker(Context context) {
this.mContext = context;
getLocation();
}
/**
* Function to get the user's current location
*
* @return
*/
public Location getLocation() {
try {
locationManager = (LocationManager) mContext
.getSystemService(Context.LOCATION_SERVICE);
// getting GPS status
isGPSEnabled = locationManager
.isProviderEnabled(LocationManager.GPS_PROVIDER);
Log.v("isGPSEnabled", "=" + isGPSEnabled);
// getting network status
isNetworkEnabled = locationManager
.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
Log.v("isNetworkEnabled", "=" + isNetworkEnabled);
if (isGPSEnabled == false && isNetworkEnabled == false) {
// no network provider is enabled
} else {
this.canGetLocation = true;
if (isNetworkEnabled) {
location=null;
locationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
Log.d("Network", "Network");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
}
}
}
// if GPS Enabled get lat/long using GPS Services
if (isGPSEnabled) {
location=null;
if (location == null) {
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
Log.d("GPS Enabled", "GPS Enabled");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager.GPS_PROVIDER);
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
}
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return location;
}
/**
* Stop using GPS listener Calling this function will stop using GPS in your
* app
* */
public void stopUsingGPS() {
if (locationManager != null) {
locationManager.removeUpdates(GPSTracker.this);
}
}
/**
* Function to get latitude
* */
public double getLatitude() {
if (location != null) {
latitude = location.getLatitude();
}
// return latitude
return latitude;
}
/**
* Function to get longitude
* */
public double getLongitude() {
if (location != null) {
longitude = location.getLongitude();
}
// return longitude
return longitude;
}
/**
* Function to check GPS/wifi enabled
*
* @return boolean
* */
public boolean canGetLocation() {
return this.canGetLocation;
}
/**
* Function to show settings alert dialog On pressing Settings button will
* lauch Settings Options
* */
public void showSettingsAlert() {
AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);
// Setting Dialog Title
alertDialog.setTitle("GPS is settings");
// Setting Dialog Message
alertDialog
.setMessage("GPS is not enabled. Do you want to go to settings menu?");
// On pressing Settings button
alertDialog.setPositiveButton("Settings",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Intent intent = new Intent(
Settings.ACTION_LOCATION_SOURCE_SETTINGS);
mContext.startActivity(intent);
}
});
// on pressing cancel button
alertDialog.setNegativeButton("Cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
// Showing Alert Message
alertDialog.show();
}
@Override
public void onLocationChanged(Location location) {
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
}