Skip to content

Most visited

Recently visited

navigation
XYZTouristAttractions / Application / src / com.example.android.xyztouristattractions / ui /

DetailFragment.java

1
/*
2
 * Copyright 2015 Google Inc. All rights reserved.
3
 *
4
 * Licensed under the Apache License, Version 2.0 (the "License");
5
 * you may not use this file except in compliance with the License.
6
 * You may obtain a copy of the License at
7
 *
8
 *      http://www.apache.org/licenses/LICENSE-2.0
9
 *
10
 * Unless required by applicable law or agreed to in writing, software
11
 * distributed under the License is distributed on an "AS IS" BASIS,
12
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13
 * See the License for the specific language governing permissions and
14
 * limitations under the License.
15
 */
16
 
17
package com.example.android.xyztouristattractions.ui;
18
 
19
import android.app.TaskStackBuilder;
20
import android.content.Intent;
21
import android.net.Uri;
22
import android.os.Build;
23
import android.os.Bundle;
24
import android.support.design.widget.FloatingActionButton;
25
import android.support.v4.app.Fragment;
26
import android.support.v4.app.NavUtils;
27
import android.text.TextUtils;
28
import android.view.LayoutInflater;
29
import android.view.MenuItem;
30
import android.view.View;
31
import android.view.ViewGroup;
32
import android.widget.ImageView;
33
import android.widget.TextView;
34
 
35
import com.bumptech.glide.Glide;
36
import com.bumptech.glide.load.engine.DiskCacheStrategy;
37
import com.example.android.xyztouristattractions.R;
38
import com.example.android.xyztouristattractions.common.Attraction;
39
import com.example.android.xyztouristattractions.common.Constants;
40
import com.example.android.xyztouristattractions.common.Utils;
41
import com.google.android.gms.maps.model.LatLng;
42
 
43
import java.util.List;
44
import java.util.Map;
45
 
46
import static com.example.android.xyztouristattractions.provider.TouristAttractions.ATTRACTIONS;
47
 
48
/**
49
 * The tourist attraction detail fragment which contains the details of a
50
 * a single attraction (contained inside
51
 * {@link com.example.android.xyztouristattractions.ui.DetailActivity}).
52
 */
53
public class DetailFragment extends Fragment {
54
 
55
    private static final String EXTRA_ATTRACTION = "attraction";
56
    private Attraction mAttraction;
57
 
58
    public static DetailFragment createInstance(String attractionName) {
59
        DetailFragment detailFragment = new DetailFragment();
60
        Bundle bundle = new Bundle();
61
        bundle.putString(EXTRA_ATTRACTION, attractionName);
62
        detailFragment.setArguments(bundle);
63
        return detailFragment;
64
    }
65
 
66
    public DetailFragment() {}
67
 
68
    @Override
69
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
70
                             Bundle savedInstanceState) {
71
        setHasOptionsMenu(true);
72
        View view = inflater.inflate(R.layout.fragment_detail, container, false);
73
        String attractionName = getArguments().getString(EXTRA_ATTRACTION);
74
        mAttraction = findAttraction(attractionName);
75
 
76
        if (mAttraction == null) {
77
            getActivity().finish();
78
            return null;
79
        }
80
 
81
        TextView nameTextView = (TextView) view.findViewById(R.id.nameTextView);
82
        TextView descTextView = (TextView) view.findViewById(R.id.descriptionTextView);
83
        TextView distanceTextView = (TextView) view.findViewById(R.id.distanceTextView);
84
        ImageView imageView = (ImageView) view.findViewById(R.id.imageView);
85
        FloatingActionButton mapFab = (FloatingActionButton) view.findViewById(R.id.mapFab);
86
 
87
        LatLng location = Utils.getLocation(getActivity());
88
        String distance = Utils.formatDistanceBetween(location, mAttraction.location);
89
        if (TextUtils.isEmpty(distance)) {
90
            distanceTextView.setVisibility(View.GONE);
91
        }
92
 
93
        nameTextView.setText(attractionName);
94
        distanceTextView.setText(distance);
95
        descTextView.setText(mAttraction.longDescription);
96
 
97
        int imageSize = getResources().getDimensionPixelSize(R.dimen.image_size)
98
                * Constants.IMAGE_ANIM_MULTIPLIER;
99
        Glide.with(getActivity())
100
                .load(mAttraction.imageUrl)
101
                .diskCacheStrategy(DiskCacheStrategy.SOURCE)
102
                .placeholder(R.color.lighter_gray)
103
                .override(imageSize, imageSize)
104
                .into(imageView);
105
 
106
        mapFab.setOnClickListener(new View.OnClickListener() {
107
            @Override
108
            public void onClick(View v) {
109
                Intent intent = new Intent(Intent.ACTION_VIEW);
110
                intent.setData(Uri.parse(Constants.MAPS_INTENT_URI +
111
                        Uri.encode(mAttraction.name + ", " + mAttraction.city)));
112
                startActivity(intent);
113
            }
114
        });
115
 
116
        return view;
117
    }
118
 
119
    @Override
120
    public boolean onOptionsItemSelected(MenuItem item) {
121
        switch (item.getItemId()) {
122
            case android.R.id.home:
123
                // Some small additions to handle "up" navigation correctly
124
                Intent upIntent = NavUtils.getParentActivityIntent(getActivity());
125
                upIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
126
 
127
                // Check if up activity needs to be created (usually when
128
                // detail screen is opened from a notification or from the
129
                // Wearable app
130
                if (NavUtils.shouldUpRecreateTask(getActivity(), upIntent)
131
                        || getActivity().isTaskRoot()) {
132
 
133
                    // Synthesize parent stack
134
                    TaskStackBuilder.create(getActivity())
135
                            .addNextIntentWithParentStack(upIntent)
136
                            .startActivities();
137
                }
138
 
139
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
140
                    // On Lollipop+ we finish so to run the nice animation
141
                    getActivity().finishAfterTransition();
142
                    return true;
143
                }
144
 
145
                // Otherwise let the system handle navigating "up"
146
                return false;
147
        }
148
        return super.onOptionsItemSelected(item);
149
    }
150
 
151
    /**
152
     * Really hacky loop for finding attraction in our static content provider.
153
     * Obviously would not be used in a production app.
154
     */
155
    private Attraction findAttraction(String attractionName) {
156
        for (Map.Entry<String, List<Attraction>> attractionsList : ATTRACTIONS.entrySet()) {
157
            List<Attraction> attractions = attractionsList.getValue();
158
            for (Attraction attraction : attractions) {
159
                if (attractionName.equals(attraction.name)) {
160
                    return attraction;
161
                }
162
            }
163
        }
164
        return null;
165
    }
166
}
This site uses cookies to store your preferences for site-specific language and display options.

Get the latest Android developer news and tips that will help you find success on Google Play.

* Required Fields

Hooray!

Browse this site in ?

You requested a page in , but your language preference for this site is .

Would you like to change your language preference and browse this site in ? If you want to change your language preference later, use the language menu at the bottom of each page.