-
Notifications
You must be signed in to change notification settings - Fork 0
/
ArticleListActivity.java
executable file
·199 lines (167 loc) · 6.8 KB
/
ArticleListActivity.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
package com.example.xyzreader.ui;
import android.app.LoaderManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.Loader;
import android.database.Cursor;
import android.os.Bundle;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.RecyclerView;
import androidx.recyclerview.widget.StaggeredGridLayoutManager;
import androidx.appcompat.widget.Toolbar;
import android.text.Html;
import android.text.format.DateUtils;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.example.xyzreader.R;
import com.example.xyzreader.data.ArticleLoader;
import com.example.xyzreader.data.ItemsContract;
import com.example.xyzreader.data.UpdaterService;
import com.squareup.picasso.Picasso;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.GregorianCalendar;
/**
* An activity representing a list of Articles. This activity has different presentations for
* handset and tablet-size devices. On handsets, the activity presents a list of items, which when
* touched, lead to a {@link ArticleDetailActivity} representing item details. On tablets, the
* activity presents a grid of items as cards.
*/
public class ArticleListActivity extends AppCompatActivity implements
LoaderManager.LoaderCallbacks<Cursor> {
private static final String TAG = ArticleListActivity.class.toString();
private Toolbar mToolbar;
private SwipeRefreshLayout mSwipeRefreshLayout;
private RecyclerView mRecyclerView;
private SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.sss");
// Use default locale format
private SimpleDateFormat outputFormat = new SimpleDateFormat();
// Most time functions can only handle 1902 - 2037
private GregorianCalendar START_OF_EPOCH = new GregorianCalendar(2,1,1);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_article_list);
mToolbar = (Toolbar) findViewById(R.id.toolbar);
final View toolbarContainerView = findViewById(R.id.toolbar_container);
mSwipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refresh_layout);
mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
getLoaderManager().initLoader(0, null, this);
if (savedInstanceState == null) {
refresh();
}
}
private void refresh() {
startService(new Intent(this, UpdaterService.class));
}
@Override
protected void onStart() {
super.onStart();
registerReceiver(mRefreshingReceiver,
new IntentFilter(UpdaterService.BROADCAST_ACTION_STATE_CHANGE));
}
@Override
protected void onStop() {
super.onStop();
unregisterReceiver(mRefreshingReceiver);
}
private boolean mIsRefreshing = false;
private BroadcastReceiver mRefreshingReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (UpdaterService.BROADCAST_ACTION_STATE_CHANGE.equals(intent.getAction())) {
mIsRefreshing = intent.getBooleanExtra(UpdaterService.EXTRA_REFRESHING, false);
updateRefreshingUI();
}
}
};
private void updateRefreshingUI() {
mSwipeRefreshLayout.setRefreshing(mIsRefreshing);
}
@Override
public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
return ArticleLoader.newAllArticlesInstance(this);
}
@Override
public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
Adapter adapter = new Adapter(cursor);
adapter.setHasStableIds(true);
mRecyclerView.setAdapter(adapter);
int columnCount = getResources().getInteger(R.integer.list_column_count);
GridLayoutManager sglm =
new GridLayoutManager(this,columnCount);
mRecyclerView.setLayoutManager(sglm);
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
mRecyclerView.setAdapter(null);
}
private class Adapter extends RecyclerView.Adapter<ViewHolder> {
private Cursor mCursor;
public Adapter(Cursor cursor) {
mCursor = cursor;
}
@Override
public long getItemId(int position) {
mCursor.moveToPosition(position);
return mCursor.getLong(ArticleLoader.Query._ID);
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = getLayoutInflater().inflate(R.layout.list_item_article, parent, false);
final ViewHolder vh = new ViewHolder(view);
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
startActivity(new Intent(Intent.ACTION_VIEW,
ItemsContract.Items.buildItemUri(getItemId(vh.getAdapterPosition()))));
}
});
return vh;
}
private Date parsePublishedDate() {
try {
String date = mCursor.getString(ArticleLoader.Query.PUBLISHED_DATE);
return dateFormat.parse(date);
} catch (ParseException ex) {
Log.e(TAG, ex.getMessage());
Log.i(TAG, "passing today's date");
return new Date();
}
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
mCursor.moveToPosition(position);
holder.titleView.setText(mCursor.getString(ArticleLoader.Query.TITLE));
Picasso.get()
.load(mCursor.getString(ArticleLoader.Query.THUMB_URL))
.resize(450, 300)
.centerCrop()
.into(holder.thumbnailView);
}
@Override
public int getItemCount() {
return mCursor.getCount();
}
}
public static class ViewHolder extends RecyclerView.ViewHolder {
public ImageView thumbnailView;
public TextView titleView;
public TextView subtitleView;
public ViewHolder(View view) {
super(view);
thumbnailView = view.findViewById(R.id.thumbnail);
thumbnailView.setScaleType(ImageView.ScaleType.FIT_XY);
titleView = view.findViewById(R.id.article_title);
//subtitleView = (TextView) view.findViewById(R.id.article_subtitle);
}
}
}