I have 3 fragments inside a display pager, and every time my database changes, it restarts the fragment.
TabAdapterAdvertiser class
package com.example.fernandosilveira.findpromotion.Adapter;
/**
* Created by Fernando Silveira on 08/03/2017.
*/
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import com.example.fernandosilveira.findpromotion.Fragment.DestaquesFragment;
import com.example.fernandosilveira.findpromotion.Fragment.HistoricoFragment;
import com.example.fernandosilveira.findpromotion.Fragment.ProximosVoceFragment;
public class TabAdapterUsuario extends FragmentStatePagerAdapter {
private String[] tituloAbas = {"Categorias","Próximo a Você", "Histórico"};
public TabAdapterUsuario(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int position)
{
Fragment fragment = null;
switch (position)
{
case 0:
fragment = new DestaquesFragment();
break;
case 1:
fragment = new ProximosVoceFragment();
break;
case 2:
fragment = new HistoricoFragment();
break;
}
return fragment;
}
@Override
public int getCount()
{
return tituloAbas.length;
}
@Override
public CharSequence getPageTitle(int position)
{
return tituloAbas[position];
}
}
Class that controls the 3 fragments
package com.example.fernandosilveira.findpromotion.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.os.Build;
import android.os.Bundle;
import android.os.PersistableBundle;
import android.support.design.widget.NavigationView;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v4.view.GravityCompat;
import android.support.v4.view.ViewPager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.example.fernandosilveira.findpromotion.Adapter.TabAdapterAnunciante;
import com.example.fernandosilveira.findpromotion.Adapter.TabAdapterUsuario;
import com.example.fernandosilveira.findpromotion.Geofence.ServicoLocalCliente;
import com.example.fernandosilveira.findpromotion.R;
import com.example.fernandosilveira.findpromotion.helper.SlidingTabLayout;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
public class PainelControle extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener
{
private FirebaseDatabase database = FirebaseDatabase.getInstance();
private DatabaseReference ref = database.getReference();
private TextView txtnomepainel,txtemailNav,txtv;
private ProgressBar progressBar;
private SlidingTabLayout slidingTabLayout;
private ViewPager viewPager;
private TabAdapterAnunciante tabAdapterAnunciante;
private TabAdapterUsuario tabAdapterUsuario;
private String nome = "";
private String email = "";
private String tipo="";
private String telefone = "";
private static final String TAG = PainelControle.class.getSimpleName();
private int MULTIPLA_PERMISSÃO_PEDIDO_CODIGO = 1;
@Override
protected void onStart() {
super.onStart();
Log.d("Sistema","onStart(); Painel controle");
}
@Override
protected void onStop() {
super.onStop();
Log.d("Sistema","onStop(); Painel controle");
}
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
Log.d("Sistema","onCreate(); Painel controle");
setContentView(R.layout.activity_painel_controle);
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
View hView = navigationView.getHeaderView(0);
txtnomepainel = (TextView)hView.findViewById(R.id.txtNomePainel);
txtemailNav = (TextView)hView.findViewById(R.id.txtEmailNav);
txtv = (TextView)hView.findViewById(R.id.txtv);
progressBar = (ProgressBar)hView.findViewById(R.id.prgbarnav);
// configurar toolbar
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_principal);
toolbar.setTitle("");
setSupportActionBar(toolbar);
//configurar abas
slidingTabLayout = (SlidingTabLayout) findViewById(R.id.stl_tabs);
viewPager = (ViewPager) findViewById(R.id.vp_pagina);
tabAdapterUsuario = new TabAdapterUsuario(getSupportFragmentManager());
tabAdapterAnunciante = new TabAdapterAnunciante(getSupportFragmentManager());
txtnomepainel.setVisibility(View.GONE);
txtemailNav.setVisibility(View.GONE);
txtv.setVisibility(View.GONE);
progressBar.setVisibility(View.VISIBLE);
Bundle extra = getIntent().getExtras();
if (extra!= null)
{
nome = extra.getString("nome");
email = extra.getString("email");
tipo = extra.getString("tipo");
telefone = extra.getString("telefone");
txtemailNav.setText(email);
txtnomepainel.setText(nome);
progressBar.setVisibility(View.GONE);
txtv.setVisibility(View.VISIBLE);
txtemailNav.setVisibility(View.VISIBLE);
txtnomepainel.setVisibility(View.VISIBLE);
}
if (tipo.equals("anunciante"))
{
//stopService(new Intent(getApplicationContext(), ServicoLocalCliente.class));
// invocar menu
navigationView.inflateMenu(R.menu.menu_anunciante);
//invocar tab
viewPager.setAdapter(tabAdapterAnunciante);
//atribuir tab ao layout
navigationView.setNavigationItemSelectedListener(this);
}
else if(tipo.equals("usuario"))
{
iniciarGeofenceService();
// invocar menu
navigationView.inflateMenu(R.menu.menu_usuario);
//invocar tab
//viewPager.setAdapter(tabAdapterUsuario);
viewPager.setAdapter(tabAdapterUsuario);
//atribuir tab ao layout
navigationView.setNavigationItemSelectedListener(this);
}
slidingTabLayout.setDistributeEvenly(true);
slidingTabLayout.setSelectedIndicatorColors(ContextCompat.getColor(this,R.color.colorPrimaryDark));
slidingTabLayout.setViewPager(viewPager);
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
}
@Override
public void onBackPressed()
{
Log.d("Sistema","onBackPressed(); Painel controle");
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START))
{
drawer.closeDrawer(GravityCompat.START);
} else
{
super.onBackPressed();
}
}
@Override
public void onSaveInstanceState(Bundle outState, PersistableBundle outPersistentState) {
super.onSaveInstanceState(outState, outPersistentState);
Log.d("Sistema","onSaveInstanceState(); Painel controle");
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
Log.d("Sistema","onConfigurationChanged(); Painel controle");
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
Log.d("Sistema","onRestoreInstanceState(); Painel controle");
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item)
{
int id = item.getItemId();
if (id == R.id.minhaconta)
{
Intent intent = new Intent(PainelControle.this, MinhaConta.class);
intent.putExtra("nome",nome);
intent.putExtra("email",email);
intent.putExtra("telefone",telefone);
intent.putExtra("tipo",tipo);
startActivity(intent);
} else if (id == R.id.listadedesejos)
{
startActivity(new Intent(PainelControle.this, ListaDesejos.class));
} else if (id == R.id.faleconosco)
{
startActivity(new Intent(PainelControle.this, FaleConosco.class));
} else if (id == R.id.sobre)
{
startActivity(new Intent(PainelControle.this, Sobre.class));
} else if (id == R.id.termosdeuso)
{
startActivity(new Intent(PainelControle.this, TermosUso.class));
}else if (id == R.id.logout)
{
DeslogarUser();
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
public void DeslogarUser()
{
//busca a instancia do usuario e desloga o usuario
FirebaseAuth.getInstance().signOut();
startActivity(new Intent(PainelControle.this, Login.class));
stopService(new Intent(getApplicationContext(), ServicoLocalCliente.class));
finish();
overridePendingTransition(R.anim.anim_fadein, R.anim.anim_fadeout);
Toast.makeText(getApplicationContext(), "Usuario Desconectado!", Toast.LENGTH_LONG).show();
}
private void iniciarGeofenceService() {
Intent intent = new Intent(this, ServicoLocalCliente.class);
Log.i(TAG, "Início do serviço do cliente de localização");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
boolean hasPermissionAccesssFineLocation = ContextCompat.checkSelfPermission(getApplicationContext(),
android.Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED;
boolean hasPermissionAccesssCoarseLocation = ContextCompat.checkSelfPermission(getApplicationContext(),
android.Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED;
if (!hasPermissionAccesssFineLocation || !hasPermissionAccesssCoarseLocation)
ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.ACCESS_FINE_LOCATION,
android.Manifest.permission.ACCESS_COARSE_LOCATION}, MULTIPLA_PERMISSÃO_PEDIDO_CODIGO);
else
startService(intent);
} else {
startService(intent);
}
}
}
One of the Fragments
package com.example.fernandosilveira.findpromotion.Fragment;
import android.content.res.Configuration;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.widget.SwipeRefreshLayout;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.CheckedTextView;
import android.widget.ListView;
import com.example.fernandosilveira.findpromotion.Model.CategoriaProd;
import com.example.fernandosilveira.findpromotion.Model.Usuario;
import com.example.fernandosilveira.findpromotion.R;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import java.util.ArrayList;
/**
* A simple {@link Fragment} subclass.
*/
public class DestaquesFragment extends Fragment {
private Usuario usuario;
private ArrayAdapter arrayAdapter;
private ListView listView;
private CategoriaProd categoriaProd;
private ArrayList<String> addDestaques = new ArrayList<>();
private ArrayList<String> destaques = new ArrayList<>();
private FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
private String meuUid;
private ValueEventListener valueEventListener;
private FirebaseDatabase database = FirebaseDatabase.getInstance();
private DatabaseReference ref = database.getReference();
private SwipeRefreshLayout swrCat;
public DestaquesFragment() {
// Required empty public constructor
}
@Override
public void onStart() {
super.onStart();
Log.d("Sistema","onStart(); DestaquesFragment");
//ref.child("usuarios").child(meuUid).child("destaques").addValueEventListener(valueEventListener);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
Log.d("Sistema","onCreateView(); DestaquesFragment");
final View view = inflater.inflate(R.layout.fragment_destaques, container, false);
listView = (ListView) view.findViewById(R.id.listdestaq);
atualizar();
arrayAdapter = new ArrayAdapter(getActivity(),android.R.layout.simple_list_item_checked ,destaques );
listView.setChoiceMode(AbsListView.CHOICE_MODE_MULTIPLE);
listView.setAdapter( arrayAdapter );
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
CheckedTextView checkedTextView = (CheckedTextView) view;
if (checkedTextView.isChecked()) {
addDestaques.add(destaques.get(position));
ref.child("usuarios").child(meuUid).child("destaques").setValue(addDestaques);
} else {
addDestaques.remove(addDestaques.indexOf(destaques.get(position)));
ref.child("usuarios").child(meuUid).child("destaques").setValue(addDestaques);
}
}
});
return view;
}
@Override
public void onStop() {
super.onStop();
Log.d("Sistema","onStop(); DestaquesFragment");
}
@Override
public void onPause() {
super.onPause();
//ref.child("usuarios").child(meuUid).child("destaques").removeEventListener(valueEventListener);
Log.d("Sistema","onPause(); DestaquesFragment");
}
@Override
public void onResume() {
super.onResume();
Log.d("Sistema","onResume(); DestaquesFragment");
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
Log.d("Sistema","onConfigurationChanged(); DestaquesFragment");
}
@Override
public void onDetach() {
super.onDetach();
Log.d("Sistema","onDetach(); DestaquesFragment");
}
public void atualizarLista()
{
destaques.clear();
for (String ui: categoriaProd.todasSubCat)
{destaques.add(ui);}
for(String uid:destaques)
{
if(addDestaques.contains(uid)){
listView.setItemChecked(destaques.indexOf(uid), true);
} else {
listView.setItemChecked(destaques.indexOf(uid), false);
}
}
}
public void atualizar()
{
if (user != null)
{
meuUid = user.getUid();
ref.child("usuarios").child(meuUid).child("destaques").addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
addDestaques.clear();
//Listar contatos
for (DataSnapshot dados : dataSnapshot.getChildren())
{addDestaques.add(dados.getValue().toString());}
atualizarLista();
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
}
public void atualizarlista()
{
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
if (user != null)
{
meuUid = user.getUid();
valueEventListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
//Limpar lista
addDestaques.clear();
//Listar contatos
for (DataSnapshot dados : dataSnapshot.getChildren())
{addDestaques.add(dados.getValue().toString());}
atualizarLista();
arrayAdapter.notifyDataSetChanged();
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
};
}
}
}
When I click on one of the items it restarts the main activity and restarts the fragment, but it does not return to the current fragment
