4Ruslan

gistfile1.java

package com.aclgrc.fragments;

import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;

import com.aclgrc.adapters.ObjectivesArrayAdapter;
import com.aclgrc.android.R;
import com.aclgrc.api.RequestApi;
import com.aclgrc.api.models.AccountsUser;
import com.aclgrc.api.models.Audit;
import com.aclgrc.api.models.Objective;
import com.aclgrc.api.models.TimeEntry;
import com.aclgrc.common.Const;
import com.aclgrc.common.Errors;
import com.aclgrc.common.Req;
import com.aclgrc.common.tuples.Pair;
import com.aclgrc.events.EventObjectiveCreated;
import com.aclgrc.events.EventsBus;
import com.aclgrc.events.EventObjectiveUpdated;
import com.aclgrc.events.EventTimeUpdated;
import com.aclgrc.events.EventsBus;
import com.aclgrc.widget.OfflineView;
import com.f2prateek.dart.Dart;
import com.f2prateek.dart.InjectExtra;
import com.squareup.otto.Subscribe;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import butterknife.ButterKnife;
import butterknife.InjectView;
import butterknife.OnItemClick;
import fr.castorflex.android.smoothprogressbar.SmoothProgressBar;
import rx.Notification;
import rx.Observable;
import rx.Subscription;
import rx.android.observables.AndroidObservable;
import rx.android.schedulers.AndroidSchedulers;
import rx.functions.Action1;
import rx.schedulers.Schedulers;

public class FieldworkMainFragment extends Fragment {

    @InjectView(R.id.lv)          ListView          lv;
    
    @Nullable List<Objective.Holder> holders;

    @Override public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setRetainInstance(true);
        setHasOptionsMenu(true);
        Dart.inject(this);
    }

    @Override public View onCreateView(LayoutInflater inflater,
                                       ViewGroup container,
                                       Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.screen_w_list, container, false);
        ButterKnife.inject(this, rootView);
        return rootView;
    }

    @Override public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        if (savedInstanceState != null) {
            restore(savedInstanceState);
        }
        if (holders != null) {
            fillUI(holders);
        } else {
            fetchObjectivesAccountUsers();
        }
    }

    void fetchObjectivesAccountUsers() {
        holders = loadData(); // fake method for example
        fillUI(holders);
    }

    void fillUI(List<Objective.Holder> holders) {
        this.holders = holders;
        lv.setAdapter(new ObjectivesArrayAdapter(getActivity(), holders));
    }

    void restore(@NotNull Bundle state) {
        holders = state.getParcelableArrayList(Const.ENTITY_MODEL);
    }

    @Override public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putParcelableArrayList(Const.ENTITY_MODEL, new ArrayList<>(holders));
    }

}