com.example.angelina.travelapp.route.RouteDirectionsFragment.java Source code

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Here is the source code for com.example.angelina.travelapp.route.RouteDirectionsFragment.java

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/* Copyright 2016 Esri
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For additional information, contact:
 * Environmental Systems Research Institute, Inc.
 * Attn: Contracts Dept
 * 380 New York Street
 * Redlands, California, USA 92373
 *
 * email: contracts@esri.com
 *
 */
package com.example.angelina.travelapp.route;

import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.Fragment;
import android.support.v4.content.res.ResourcesCompat;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import com.example.angelina.travelapp.R;
import com.example.angelina.travelapp.data.CategoryHelper;
import com.example.angelina.travelapp.map.MapActivity;
import com.esri.arcgisruntime.tasks.networkanalysis.DirectionManeuver;
import com.esri.arcgisruntime.tasks.networkanalysis.DirectionManeuverType;

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

public class RouteDirectionsFragment extends Fragment {

    private List<DirectionManeuver> mDirectionManeuvers = new ArrayList<>();
    private final static String TAG = RouteDirectionsFragment.class.getSimpleName();
    private DirectionsListAdapter mAdapter = null;

    public static RouteDirectionsFragment newInstance() {
        return new RouteDirectionsFragment();
    }

    @Override
    public final View onCreateView(final LayoutInflater inflater, final ViewGroup container,
            final Bundle savedInstanceState) {
        final View view = inflater.inflate(R.layout.route_direction_list, container, false);

        // Set up the header
        ImageView backBtn = (ImageView) getActivity().findViewById(R.id.btnCloseDirections);
        backBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                ((MapActivity) getActivity()).restoreRouteView();
            }
        });

        // Hide the action bar
        final ActionBar ab = ((AppCompatActivity) getActivity()).getSupportActionBar();
        if (ab != null) {
            ab.hide();
        }

        // Setup list adapter
        final ListView listView = (ListView) view.findViewById(R.id.directions_list);
        mAdapter = new DirectionsListAdapter(mDirectionManeuvers);
        listView.setAdapter(mAdapter);

        // When directions are tapped, show selected route section
        // highlighted on map and zoomed in with route section description
        // overlayed on map
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                ((MapActivity) getActivity()).showRouteDetail(position);
            }
        });

        return view;
    }

    public final void setRoutingDirections(final List<DirectionManeuver> directions) {

        mDirectionManeuvers = directions;
        if (mAdapter != null) {
            mAdapter.notifyDataSetChanged();
        }

    }

    /**
     * List adapter for the list of route directions.
     */
    private class DirectionsListAdapter extends ArrayAdapter<DirectionManeuver> {
        public DirectionsListAdapter(final List<DirectionManeuver> directions) {
            super(getActivity(), 0, directions);
        }

        @NonNull
        @Override
        public final View getView(final int position, final View convertView, @NonNull final ViewGroup parent) {
            // Inflate view if we haven't been given one to reuse
            View v = convertView;
            if (convertView == null) {
                v = getActivity().getLayoutInflater().inflate(R.layout.route_direction_list_item, parent, false);
            }

            // Configure the view for this item
            final DirectionManeuver direction = getItem(position);
            final ImageView imageView = (ImageView) v.findViewById(R.id.directions_maneuver_imageview);
            final Drawable drawable = getRoutingIcon(direction != null ? direction.getManeuverType() : null);
            if (drawable != null) {
                imageView.setImageDrawable(drawable);
            }
            TextView textView = (TextView) v.findViewById(R.id.directions_text_textview);
            textView.setText(direction.getDirectionText());
            textView = (TextView) v.findViewById(R.id.directions_length_textview);
            final String lengthString = String.format("%.1f meters", direction.getLength());
            textView.setText(lengthString);
            return v;
        }

        private Drawable getRoutingIcon(final DirectionManeuverType maneuver) {

            try {
                Integer id = CategoryHelper.getResourceIdForManeuverType(maneuver);
                return ResourcesCompat.getDrawable(getActivity().getResources(), id, null);
            } catch (final Resources.NotFoundException e) {
                Log.w(RouteDirectionsFragment.TAG, "No drawable found for" + maneuver.name());
                return null;
            }
        }

    }
}