StationDetailActivity.java

package com.liyu.fakeweather.ui.bus;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

import com.baidu.location.BDLocation;
import com.liyu.fakeweather.R;
import com.liyu.fakeweather.http.ApiFactory;
import com.liyu.fakeweather.http.BaseBusResponse;
import com.liyu.fakeweather.http.api.BusController;
import com.liyu.fakeweather.location.RxLocation;
import com.liyu.fakeweather.model.BusLineStation;
import com.liyu.fakeweather.ui.base.BaseActivity;
import com.liyu.fakeweather.ui.bus.adapter.StationDetailAdapter;
import com.liyu.fakeweather.utils.ThemeUtil;

import java.util.HashMap;
import java.util.Map;

import rx.Observable;
import rx.Observer;
import rx.Subscription;
import rx.android.schedulers.AndroidSchedulers;
import rx.functions.Func1;
import rx.schedulers.Schedulers;


/**
 * Created by liyu on 2016/11/1.
 */

public class StationDetailActivity extends BaseActivity {

    public static final String KEY_EXTRA_CODE = "CODE";
    public static final String KEY_EXTRA_NAME = "NAME";

    private RecyclerView recyclerView;
    private StationDetailAdapter adapter;
    private SwipeRefreshLayout refreshLayout;
    private Subscription subscription;

    public static void start(Context context, String name, String code) {
        Intent intent = new Intent(context, StationDetailActivity.class);
        intent.putExtra(KEY_EXTRA_NAME, name);
        intent.putExtra(KEY_EXTRA_CODE, code);
        context.startActivity(intent);
    }

    @Override
    protected int getLayoutId() {
        return R.layout.activity_station_detail;
    }

    @Override
    protected int getMenuId() {
        return 0;
    }

    @Override
    protected void initViews(Bundle savedInstanceState) {
        setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setTitle(getIntent().getStringExtra(KEY_EXTRA_NAME));
        refreshLayout = (SwipeRefreshLayout) findViewById(R.id.refeshLayout);
        refreshLayout.setColorSchemeResources(ThemeUtil.getCurrentColorPrimary(this));
        refreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                loadData();
            }
        });
        recyclerView = (RecyclerView) findViewById(R.id.rv_station_line);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        adapter = new StationDetailAdapter(R.layout.item_bus_line, null);
        recyclerView.setAdapter(adapter);
    }

    @Override
    protected void loadData() {
        showRefreshing(true);
        final String code = getIntent().getStringExtra(KEY_EXTRA_CODE);
        subscription = RxLocation
                .get()
                .locate(this)
                .flatMap(new Func1<BDLocation, Observable<BaseBusResponse<BusLineStation>>>() {
                    @Override
                    public Observable<BaseBusResponse<BusLineStation>> call(BDLocation bdLocation) {
                        Map<String, String> options = new HashMap<>();
                        options.put("NoteGuid", code);
                        options.put("uid", BusController.uid);
                        options.put("DeviceID", BusController.deviceID);
                        options.put("sign", BusController.sign);
                        options.put("lat", String.valueOf(bdLocation.getLatitude()));
                        options.put("lng", String.valueOf(bdLocation.getLongitude()));
                        return ApiFactory.getBusController().getStationInfo(options).subscribeOn(Schedulers.io());
                    }
                })
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Observer<BaseBusResponse<BusLineStation>>() {
                    @Override
                    public void onCompleted() {
                        showRefreshing(false);
                    }

                    @Override
                    public void onError(Throwable e) {
                        showRefreshing(false);
                    }

                    @Override
                    public void onNext(BaseBusResponse<BusLineStation> response) {
                        adapter.setNewData(response.data.getList());
                    }
                });
    }

    private void showRefreshing(final boolean refresh) {
        refreshLayout.post(new Runnable() {
            @Override
            public void run() {
                refreshLayout.setRefreshing(refresh);
            }
        });
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (subscription != null && !subscription.isUnsubscribed())
            subscription.unsubscribe();
    }
}