I have this activity and i got the crash saied java.lang.AbstractMethodError: abstract method not implemented how can i solve it? it is like i make the activity impelements of something not implemented but i don't know how to fix it! i faced this problem for many times and i don't know how to solve it!!
public class SelectEndPoint extends AppCompatActivity implements OnMapReadyCallback, GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener, com.google.android.gms.location.LocationListener { private GoogleMap mMap; private GoogleApiClient mGoogleApiClient; private final static int PLAY_SERVICES_RESOLUTION_REQUEST = 9000; private static String TAG = "MAP LOCATION"; Context mContext; TextView mLocationMarkerText; private LatLng mCenterLatLong; /** * Receiver registered with this activity to get the response from FetchAddressIntentService. */ private AddressResultReceiver mResultReceiver; /** * The formatted location address. */ protected String mAddressOutput; protected String mAreaOutput; protected String mCityOutput; protected String mStateOutput; EditText mLocationAddress; TextView mLocationText; private static final int REQUEST_CODE_AUTOCOMPLETE = 1; Toolbar mToolbar; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.select_end_point); mContext = this; // Obtain the SupportMapFragment and get notified when the map is ready to be used. SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager() .findFragmentById(R.id.map); mLocationMarkerText = (TextView) findViewById(R.id.locationMarkertext); mToolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(mToolbar); getSupportActionBar().setDisplayShowHomeEnabled(true); getSupportActionBar().setTitle(getResources().getString(R.string.app_name)); mapFragment.getMapAsync(this); mResultReceiver = new AddressResultReceiver(new Handler()); if (checkPlayServices()) { // If this check succeeds, proceed with normal processing. // Otherwise, prompt user to get valid Play Services APK. if (!AppUtils.isLocationEnabled(mContext)) { // notify user AlertDialog.Builder dialog = new AlertDialog.Builder(mContext); dialog.setMessage("Location not enabled!"); dialog.setPositiveButton("Open location settings", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface paramDialogInterface, int paramInt) { Intent myIntent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS); startActivity(myIntent); } }); dialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface paramDialogInterface, int paramInt) { // TODO Auto-generated method stub } }); dialog.show(); } buildGoogleApiClient(); } else { Toast.makeText(mContext, "Location not supported in this device", Toast.LENGTH_SHORT).show(); } } /** * Manipulates the map once available. * This callback is triggered when the map is ready to be used. * This is where we can add markers or lines, add listeners or move the camera. In this case, * we just add a marker near Sydney, Australia. * If Google Play services is not installed on the device, the user will be prompted to install * it inside the SupportMapFragment. This method will only be triggered once the user has * installed Google Play services and returned to the app. */ @Override public void onMapReady(GoogleMap googleMap) { Log.d(TAG, "OnMapReady"); mMap = googleMap; mMap.setOnCameraChangeListener(new GoogleMap.OnCameraChangeListener() { @Override public void onCameraChange(CameraPosition cameraPosition) { Log.d("Camera postion change" + "", cameraPosition + ""); mCenterLatLong = cameraPosition.target; mMap.clear(); try { Location mLocation = new Location(""); mLocation.setLatitude(mCenterLatLong.latitude); mLocation.setLongitude(mCenterLatLong.longitude); startIntentService(mLocation); mLocationMarkerText.setText("Lat : " + mCenterLatLong.latitude + "," + "Long : " + mCenterLatLong.longitude); } catch (Exception e) { e.printStackTrace(); } } }); if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, 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; } //mMap.setMyLocationEnabled(true); // mMap.getUiSettings().setMyLocationButtonEnabled(true); // // // Add a marker in Sydney and move the camera // LatLng sydney = new LatLng(-34, 151); // mMap.addMarker(new MarkerOptions().position(sydney).title("Marker in Sydney")); // mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney)); } @Override public void onConnected(Bundle bundle) { if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, 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; } Location mLastLocation = LocationServices.FusedLocationApi.getLastLocation( mGoogleApiClient); if (mLastLocation != null) { changeMap(mLastLocation); Log.d(TAG, "ON connected"); } else try { LocationServices.FusedLocationApi.removeLocationUpdates( mGoogleApiClient, this); } catch (Exception e) { e.printStackTrace(); } try { LocationRequest mLocationRequest = new LocationRequest(); mLocationRequest.setInterval(10000); mLocationRequest.setFastestInterval(5000); mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY); LocationServices.FusedLocationApi.requestLocationUpdates( mGoogleApiClient, mLocationRequest, this); } catch (Exception e) { e.printStackTrace(); } } @Override public void onConnectionSuspended(int i) { Log.i(TAG, "Connection suspended"); mGoogleApiClient.connect(); } @Override public void onLocationChanged(Location location) { try { if (location != null) changeMap(location); LocationServices.FusedLocationApi.removeLocationUpdates( mGoogleApiClient, this); } catch (Exception e) { e.printStackTrace(); } } @Override public void onConnectionFailed(ConnectionResult connectionResult) { } protected synchronized void buildGoogleApiClient() { mGoogleApiClient = new GoogleApiClient.Builder(this) .addConnectionCallbacks(this) .addOnConnectionFailedListener(this) .addApi(LocationServices.API) .build(); } @Override protected void onStart() { super.onStart(); try { mGoogleApiClient.connect(); } catch (Exception e) { e.printStackTrace(); } } @Override protected void onStop() { super.onStop(); try { } catch (RuntimeException e) { e.printStackTrace(); } if (mGoogleApiClient != null && mGoogleApiClient.isConnected()) { mGoogleApiClient.disconnect(); } } private boolean checkPlayServices() { int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this); if (resultCode != ConnectionResult.SUCCESS) { if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) { GooglePlayServicesUtil.getErrorDialog(resultCode, this, PLAY_SERVICES_RESOLUTION_REQUEST).show(); } else { //finish(); } return false; } return true; } private void changeMap(Location location) { Log.d(TAG, "Reaching map" + mMap); if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, 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; } // check if map is created successfully or not if (mMap != null) { mMap.getUiSettings().setZoomControlsEnabled(false); LatLng latLong; latLong = new LatLng(location.getLatitude(), location.getLongitude()); CameraPosition cameraPosition = new CameraPosition.Builder() .target(latLong).zoom(19f).tilt(70).build(); mMap.setMyLocationEnabled(true); mMap.getUiSettings().setMyLocationButtonEnabled(true); mMap.animateCamera(CameraUpdateFactory .newCameraPosition(cameraPosition)); mLocationMarkerText.setText("Lat : " + location.getLatitude() + "," + "Long : " + location.getLongitude()); startIntentService(location); } else { Toast.makeText(getApplicationContext(), "Sorry! unable to create maps", Toast.LENGTH_SHORT) .show(); } } /** * Receiver for data sent from FetchAddressIntentService. */ class AddressResultReceiver extends ResultReceiver { public AddressResultReceiver(Handler handler) { super(handler); } /** * Receives data sent from FetchAddressIntentService and updates the UI in MainActivity. */ @Override protected void onReceiveResult(int resultCode, Bundle resultData) { // Display the address string or an error message sent from the intent service. mAddressOutput = resultData.getString(AppUtils.LocationConstants.RESULT_DATA_KEY); mAreaOutput = resultData.getString(AppUtils.LocationConstants.LOCATION_DATA_AREA); mCityOutput = resultData.getString(AppUtils.LocationConstants.LOCATION_DATA_CITY); mStateOutput = resultData.getString(AppUtils.LocationConstants.LOCATION_DATA_STREET); displayAddressOutput(); // Show a toast message if an address was found. if (resultCode == AppUtils.LocationConstants.SUCCESS_RESULT) { // showToast(getString(R.string.address_found)); } } } /** * Updates the address in the UI. */ protected void displayAddressOutput() { // mLocationAddressTextView.setText(mAddressOutput); try { if (mAreaOutput != null) // mLocationText.setText(mAreaOutput+ ""); mLocationAddress.setText(mAddressOutput); //mLocationText.setText(mAreaOutput); } catch (Exception e) { e.printStackTrace(); } } /** * Creates an intent, adds location data to it as an extra, and starts the intent service for * fetching an address. */ protected void startIntentService(Location mLocation) { // Create an intent for passing to the intent service responsible for fetching the address. Intent intent = new Intent(this, FetchAddressIntentService.class); // Pass the result receiver as an extra to the service. intent.putExtra(AppUtils.LocationConstants.RECEIVER, mResultReceiver); // Pass the location data as an extra to the service. intent.putExtra(AppUtils.LocationConstants.LOCATION_DATA_EXTRA, mLocation); // Start the service. If the service isn't already running, it is instantiated and started // (creating a process for it if needed); if it is running then it remains running. The // service kills itself automatically once all intents are processed. startService(intent); } /* private void openAutocompleteActivity() { try { // The autocomplete activity requires Google Play Services to be available. The intent // builder checks this and throws an exception if it is not the case. Intent intent = new PlaceAutocomplete.IntentBuilder(PlaceAutocomplete.MODE_FULLSCREEN) .build(this); startActivityForResult(intent, REQUEST_CODE_AUTOCOMPLETE); } catch (GooglePlayServicesRepairableException e) { // Indicates that Google Play Services is either not installed or not up to date. Prompt // the user to correct the issue. GoogleApiAvailability.getInstance().getErrorDialog(this, e.getConnectionStatusCode(), 0 /* requestCode *//*).show(); } catch (GooglePlayServicesNotAvailableException e) { // Indicates that Google Play Services is not available and the problem is not easily // resolvable. /* String message = "Google Play Services is not available: " + GoogleApiAvailability.getInstance().getErrorString(e.errorCode); Toast.makeText(mContext, message, Toast.LENGTH_SHORT).show(); } } */ /** * Called after the autocomplete activity has finished to return its result. */ @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); // Check that the result was from the autocomplete widget. if (requestCode == REQUEST_CODE_AUTOCOMPLETE) { if (resultCode == RESULT_OK) { }}} the error is :
java.lang.AbstractMethodError: abstract method not implemented at com.google.android.gms.common.api.Api$zza.zza(Unknown Source) at com.google.android.gms.common.api.GoogleApiClient$Builder.zza(Unknown Source) at com.google.android.gms.common.api.GoogleApiClient$Builder.zzarg(Unknown Source) at com.google.android.gms.common.api.GoogleApiClient$Builder.build(Unknown Source) at com.wneet.white.services.SelectEndPoint.buildGoogleApiClient(SelectEndPoint.java:252) at com.wneet.white.services.SelectEndPoint.onCreate(SelectEndPoint.java:118) at android.app.Activity.performCreate(Activity.java:5581) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1093) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2483) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2578) at android.app.ActivityThread.access$900(ActivityThread.java:170) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1317) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:146) at android.app.ActivityThread.main(ActivityThread.java:5727) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107) at dalvik.system.NativeStart.main(Native Method)