In HomeActivity, I get the string result from the server, it contains all the data I need, separated by commas, so with the method I tried to pass to the fragment of that error
FATAL EXCEPTION: main
Process: mundosenai.mundosenai.com.mundosenai, PID: 23738
java.lang.NullPointerException
at mundosenai.mundosenai.com.mundosenai.MapsFragment.onMapReady(MapsFragment.java:63)
at com.google.android.gms.maps.SupportMapFragment$zza$1.zza(Unknown Source)
at com.google.android.gms.maps.internal.zzo$zza.onTransact(Unknown Source)
at android.os.Binder.transact(Binder.java:361)
at xz.a(:com.google.android.gms.DynamiteModulesB:82)
at maps.ad.u$5.run(Unknown Source)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5072)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609)
at dalvik.system.NativeStart.main(Native Method)
HomeActivity
public class HomeActivity extends AppCompatActivity implements GoogleApiClient.ConnectionCallbacks,GoogleApiClient.OnConnectionFailedListener{
private Button botaoPostar;
private FragmentManager fragmentManager;
double lat;
double longi;
private GoogleApiClient mGoogleApiClient;
String url = "";
String parametros ="";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
botaoPostar = (Button) findViewById(R.id.botaoPostarId);
buildGoogleApiClient();
mGoogleApiClient.connect();
fragmentManager = getSupportFragmentManager();
FragmentTransaction transaction = fragmentManager.beginTransaction();
transaction.add(R.id.container, new MapsFragment(), "MapsFragment");
transaction.commitAllowingStateLoss();
/* if (GetLocalization(HomeActivity.this)) {
if (ActivityCompat.checkSelfPermission(HomeActivity.this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(HomeActivity.this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
return;
}
Location location = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
if (location != null) {
//EU PRECISO PASSAR ESSES DOIS DADOS PARA O MAPSFRAGMENT
lat = location.getLatitude();
longi = location.getLongitude();
String.valueOf(lat);
String.valueOf(longi);
// verificação para saber se está funcionando System.out.println("ahoasj "+lat+" aheooo" +longi);
} else {
showSettingsAlert();
}
}*/
botaoPostar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent abrePost = new Intent(HomeActivity.this, PostActivity.class);
String id_user = getIntent().getExtras().getString("id_user");
LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
boolean GPSEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
String txt = "";
txt = id_user.toString();
Bundle bundle = new Bundle();
bundle.putString("txt", txt);
abrePost.putExtras(bundle);
startActivity(abrePost);
}
});
ConnectivityManager connMgr = (ConnectivityManager)
getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
String nome = null, mensagem = null, lat = null, longi = null;
url = "http://192.168.43.242:80/Login/mensagem_listar.php";
parametros = "nome=" + nome + "&mensagem=" + mensagem + "&lat=" + lat + "&longi=" + longi;
new SolicitaDados().execute(url);
}
protected synchronized void buildGoogleApiClient(){
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API)
.build();
}
@Override
public void onConnected(Bundle bundle) {
}
@Override
public void onConnectionSuspended(int i) {
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
}
public boolean GetLocalization(Context context) {
int REQUEST_PERMISSION_LOCALIZATION = 221;
boolean res = true;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (ActivityCompat.checkSelfPermission(HomeActivity.this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(HomeActivity.this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
res = false;
ActivityCompat.requestPermissions((Activity) context, new String[]{
Manifest.permission.ACCESS_FINE_LOCATION},
REQUEST_PERMISSION_LOCALIZATION);
}
}
return res;
}
public void showSettingsAlert() {
android.app.AlertDialog.Builder alertDialog = new android.app.AlertDialog.Builder(HomeActivity.this);
alertDialog.setTitle("GPS");
alertDialog.setMessage("Gps não está Habilitato. Deseja configurar?");
alertDialog.setPositiveButton("Configurar", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
HomeActivity.this.startActivity(intent);
}
});
alertDialog.setNegativeButton("Cancelar", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
}
);
alertDialog.show();
}
//AQUI É ONDE EU RECEBO OS DADOS DO SERVIDOR
private class SolicitaDados extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... urls) {
return Conexao.postDados(urls[0], parametros);
}
// onPostExecute displays the results of the AsyncTask.
@Override
protected void onPostExecute(String result) { // RESULT É NOME DA STRING (ARRAY) QUE CONTÉM TODOS OS DADOS RESGATADOS DO SERVIDOR
// SEPARADOS POR VÍRGUA
/*
String[] dados = result.split(",");
for (int i = 0; i < dados.length;i++){
if(i < dados.length - 3){
System.out.println("nome:" + dados[i] + " mensagem: " + dados[i+1] + " Lat " + dados[i+2] + " Longi " + dados[i+3]);
i += 3;
}
}*/
//AQUI EU ENVIO OS DADOS PARA O FRAGMENT
MapsFragment mapsFragmet = new MapsFragment();
Bundle data = new Bundle();
data.putString("resgatar", result);
mapsFragmet.setArguments(data);
}
}
}
MapsFragment
public class MapsFragment extends SupportMapFragment implements OnMapReadyCallback {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getMapAsync(this);
}
@Override
public void onMapReady(GoogleMap map) {
// LatLng sydney = new LatLng(-27.1330088,-51.4638369);
//map.setMyLocationEnabled(true);
// map.moveCamera(CameraUpdateFactory.newLatLngZoom(sydney, 13));
/*map.addMarker(new MarkerOptions()
.title("TESTE")
.snippet("TESTE ")
.position(sydney));
*/
//AQUI EU RECEBERIA O DADO DA HOME ACTIVITY
Bundle data = getArguments();
String valor = data.getString("resgatar");
System.out.println("Teste" +valor+ " funcionou");
}
}