错误日志： - Error Log 这是图片错误行Error Line
这个项目我正在使用firebase auth，recyclerview工作,,但得到纬度，经度误差,,,
公共类ListOnline扩展AppCompatActivity实现了GoogleApiClient.ConnectionCallbacks，GoogleApiClient.OnConnectionFailedListener，LocationListener {
DatabaseReference onlineRef, currentUserRef, counterRef, locations;
FirebaseRecyclerAdapter<User, userlistonlineviewholder> adapter;
RecyclerView listoneline;
RecyclerView.LayoutManager layoutManager;
private static final int MY_PERMISSION_REQUEST_CODE = 7171;
private static final int PLAY_SERVICE_RES_REQUEST = 7172;
private LocationRequest mLocationRequest;
private GoogleApiClient mGoogleApiClient;
private Location mLastLocation;
private static int UPDATE_INTERVEL = 5000;
private static int FASTEST_INTERVEL = 3000;
private static int DISTANCE = 10;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_list_online);
listoneline = (RecyclerView) findViewById(R.id.onlinerecy);
listoneline.setHasFixedSize(true);
layoutManager = new LinearLayoutManager(this);
listoneline.setLayoutManager(layoutManager);
Toolbar toolbar = (Toolbar) findViewById(R.id.bar);
toolbar.setTitle("Current Online Users");
setSupportActionBar(toolbar);
locations = FirebaseDatabase.getInstance().getReference("Locations");
onlineRef = FirebaseDatabase.getInstance().getReference().child(".info/connected");
counterRef = FirebaseDatabase.getInstance().getReference("lastonline");
currentUserRef = FirebaseDatabase.getInstance().getReference("lastonline")
.child(FirebaseAuth.getInstance().getCurrentUser().getUid());
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this,
android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{
Manifest.permission.ACCESS_COARSE_LOCATION,
Manifest.permission.ACCESS_FINE_LOCATION},
MY_PERMISSION_REQUEST_CODE);
} else {
if (checkplayservices()) {
buildGoogleApiClient();
createLocationRequest();
displayLocation();
}
}
SetupSystem();
updatelist();
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode) {
case MY_PERMISSION_REQUEST_CODE: {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
if (checkplayservices()) {
buildGoogleApiClient();
createLocationRequest();
displayLocation();
}
}
}
break;
}
}
private void displayLocation() {
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED &&
ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
return;
}
mLastLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
if (mLastLocation != null) {
locations.child(FirebaseAuth.getInstance().getCurrentUser().getUid())
.setValue(new Tracking(FirebaseAuth.getInstance().getCurrentUser().getEmail(),
FirebaseAuth.getInstance().getCurrentUser().getUid(),
String.valueOf(mLastLocation.getLatitude()),
String.valueOf(mLastLocation.getLongitude())));
} else {
Toasty.error(getApplicationContext(), "Couldn't not find Location").show();
}
}
private void createLocationRequest() {
mLocationRequest = new LocationRequest();
mLocationRequest.setInterval(UPDATE_INTERVEL);
mLocationRequest.setFastestInterval(FASTEST_INTERVEL);
mLocationRequest.setSmallestDisplacement(DISTANCE);
mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
}
private void buildGoogleApiClient() {
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API).build();
mGoogleApiClient.connect();
}
private boolean checkplayservices() {
int resultcode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
if (resultcode != ConnectionResult.SUCCESS) {
if (GooglePlayServicesUtil.isUserRecoverableError(resultcode)) {
GooglePlayServicesUtil.getErrorDialog(resultcode, this, PLAY_SERVICE_RES_REQUEST).show();
} else {
Toasty.error(getApplicationContext(), "This Device is not Supported").show();
finish();
}
return false;
}
return true;
}
private void updatelist() {
FirebaseRecyclerOptions<User> options = new FirebaseRecyclerOptions.Builder<User>()
.setQuery(counterRef, User.class)
.build();
adapter = new FirebaseRecyclerAdapter<User, userlistonlineviewholder>(options) {
@Override
protected void onBindViewHolder(@NonNull userlistonlineviewholder holder, int position, @NonNull User model) {
holder.textView.setText(model.getName());
}
@NonNull
@Override
public userlistonlineviewholder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext())
.inflate(R.layout.userstatuslayout, parent, false);
return new userlistonlineviewholder(view);
}
};
adapter.notifyDataSetChanged();
listoneline.setAdapter(adapter);
adapter.startListening();
}
private void SetupSystem() {
onlineRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
currentUserRef.onDisconnect().removeValue();
counterRef.child(FirebaseAuth.getInstance().getCurrentUser().getUid())
.setValue(new User(FirebaseAuth.getInstance().getCurrentUser().getDisplayName(), "Online"));
adapter.notifyDataSetChanged();
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
counterRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
for (DataSnapshot postDatasnapsot : dataSnapshot.getChildren()) {
User user = postDatasnapsot.getValue(User.class);
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
new MenuInflater(this).inflate(R.menu.userbar, menu);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.nav_logout:
currentUserRef.removeValue();
break;
case R.id.nav_join:
counterRef.child(FirebaseAuth.getInstance().getCurrentUser().getUid())
.setValue(new User(FirebaseAuth.getInstance().getCurrentUser().getDisplayName(), "Online"));
break;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onLocationChanged(Location location) {
mLastLocation = location;
displayLocation();
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onConnected(@Nullable Bundle bundle) {
displayLocation();
startLocationUpdates();
}
private void startLocationUpdates() {
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, (com.google.android.gms.location.LocationListener) this);
}
@Override
public void onConnectionSuspended(int i) {
mGoogleApiClient.connect();
}
@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
}
@Override
protected void onStart() {
super.onStart();
if (mGoogleApiClient != null) {
mGoogleApiClient.connect();
}
}
@Override
protected void onStop() {
if (mGoogleApiClient != null) {
mGoogleApiClient.disconnect();
}
super.onStop();
}
@Override
protected void onResume() {
super.onResume();
checkplayservices();
}
}