A guia + ViewPager não atualiza, em vez disso, mostra um aviso estranho, estado esperado 3 encontrado 2
Eu tenho uma atividade principal que inclui um TabLayout com o ViewPager
Eu adicionei 3 guias e cada guia tem fragmentos separados que contêm uma revisão de reciclagem, e essas caixas de verificação têm uma caixa de seleção que deve ser atualizada / atualizada simultaneamente sempre que deslizar o viewpager (eu salvo posições marcadas em preferências e atualizações compartilhadas por preferência compartilhada).
Meu problema aqui é sempre que eu marcar uma caixa de seleção na aba1, a aba2 não será atualizada / atualizada até que eu role a Recyclerview. e tab3 está funcionando bem. eTambém estou recebendo um aviso estranho no logcat.
03-05 09:35:53.345 4317-4327/com.example.rubin W/art: Suspending all threads took: 6.805ms
03-05 09:35:58.310 4317-4317/com.example.rubin W/FragmentManager: moveToState: Fragment state for Tab3{10a5f1f0 #2 id=0x7f0d00b6} not updated inline; expected state 3 found 2
03-05 09:36:01.363 4317-4317/com.example.rubin W/FragmentManager: moveToState: Fragment state for Tab1{2d9aa887 #1 id=0x7f0d00b6} not updated inline; expected state 3 found 2
My PagerAdapter
public class PagerAdapter1 extends FragmentStatePagerAdapter {
int mNumOfTabs;
public PagerAdapter1(FragmentManager fm, int NumOfTabs) {
super(fm);
this.mNumOfTabs = NumOfTabs;
}
@Override
public Fragment getItem(int position) {
switch (position) {
case 0:
return new Tab1();
case 1:
return new Tab2();
case 2:
return new Tab3();
default:
return null;
}
}
@Override
public int getCount() {
return mNumOfTabs;
}
}
Tablayout OnPageChangelistener
final PagerAdapter1 adapter = new PagerAdapter1
(getSupportFragmentManager(), tabLayout1.getTabCount(), getApplicationContext());
viewPager1.setAdapter(adapter);
viewPager1.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout1));
tabLayout1.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
viewPager1.setCurrentItem(tab.getPosition());
adapter.notifyDataSetChanged();
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
}
código para cada fragmento.
public class Tab1 extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.home_tab1_recycler, container, false);
RecyclerView rv = (RecyclerView) v.findViewById(R.id.home_recyclerview);
LinearLayoutManager llm = new LinearLayoutManager(getContext());
rv.setLayoutManager(llm);
rv.setHasFixedSize(true); // to improve performance
rv.setAdapter(new HomeManager()); // the projectdatabase manager is assigner to the RV
return v;
}
public class HomeManager extends RecyclerView.Adapter<HomeManager.RecyclerViewHolder> {
int Length,h;
View v1;
ArrayList<String> PROJECT_ID = new ArrayList<String>();
Set<String> set;
List<String> selected;
public class RecyclerViewHolder extends RecyclerView.ViewHolder {
CheckBox mCheck;
RecyclerViewHolder(final View itemView) {
super(itemView);
mCheck = (CheckBox) itemView.findViewById(R.id.PROJECT_fav);
SharedPreferences pref = getContext().getSharedPreferences("MirSP", Context.MODE_PRIVATE);
set = pref.getStringSet("FAV", null);
if (set != null) {
selected = new ArrayList<String>(set);
} else {
selected = new ArrayList<String>();
}
mCheck.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
h = getAdapterPosition();
check = PROJECT_ID.get(h); // for saving the project id from json.
if (selected.contains(check)) {
selected.remove(check);
mCheck.setBackgroundResource(R.drawable.ic_favorite_white1_24dp);
Snackbar snackbar = Snackbar.make(v, "Property Unfavorited", Snackbar.LENGTH_SHORT);
snackbar.show();
} else {
selected.add(check);
mCheck.setBackgroundResource(R.drawable.ic_favorite_white_24dp);
Snackbar snackbar = Snackbar.make(v, "Property Favorited", Snackbar.LENGTH_SHORT);
snackbar.show();
}
Log.e("HF update checked", String.valueOf(selected));
Set<String> set = new HashSet<String>();
set.addAll(selected);
SharedPreferences pref = getContext().getSharedPreferences("MirSP", Context.MODE_PRIVATE);
SharedPreferences.Editor editor = pref.edit();
editor.putStringSet("FAV", set);
editor.commit();
}
}
});
@Override
public RecyclerViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
v1 = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.recyclerview_item, viewGroup, false);
return new RecyclerViewHolder(v1);
}
@Override
public void onBindViewHolder(final RecyclerViewHolder viewHolder, int i) {
SharedPreferences pref = getContext().getSharedPreferences("MirSP", Context.MODE_PRIVATE);
set = pref.getStringSet("FAV", null);
if (set != null) {
selected = new ArrayList<String>(set);
} else {
selected = new ArrayList<String>();
}
Log.e("HF update UI", String.valueOf(selected));
if (String.valueOf(selected).contains(String.valueOf(PROJECT_ID.get(i)))) {
viewHolder.mCheck.setBackgroundResource(R.drawable.ic_favorite_white_24dp);
} else {
viewHolder.mCheck.setBackgroundResource(R.drawable.ic_favorite_white1_24dp);
}
}
@Override
public int getItemCount() {
//Code for Total length of json
return Length;
}