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
|
/* This file is auto-generated from BrowseFragment.java. DO NOT MODIFY. */
/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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.
*/
package com.example.android.leanback;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.ActivityOptionsCompat;
import android.support.v17.leanback.app.GuidedStepSupportFragment;
import android.support.v17.leanback.widget.ArrayObjectAdapter;
import android.support.v17.leanback.widget.HeaderItem;
import android.support.v17.leanback.widget.ImageCardView;
import android.support.v17.leanback.widget.ListRow;
import android.support.v17.leanback.widget.ListRowPresenter;
import android.support.v17.leanback.widget.OnItemViewClickedListener;
import android.support.v17.leanback.widget.OnItemViewSelectedListener;
import android.support.v17.leanback.widget.Presenter;
import android.support.v17.leanback.widget.Row;
import android.support.v17.leanback.widget.RowPresenter;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
public class BrowseSupportFragment extends android.support.v17.leanback.app.BrowseSupportFragment {
private static final String TAG = "leanback.BrowseSupportFragment";
private static final boolean TEST_ENTRANCE_TRANSITION = true;
private static final int NUM_ROWS = 10;
// Row heights default to wrap content
private static final boolean USE_FIXED_ROW_HEIGHT = false;
private ArrayObjectAdapter mRowsAdapter;
private BackgroundHelper mBackgroundHelper = new BackgroundHelper();
// For good performance, it's important to use a single instance of
// a card presenter for all rows using that presenter.
final static CardPresenter sCardPresenter = new CardPresenter();
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "onCreate");
super.onCreate(savedInstanceState);
setBadgeDrawable(getActivity().getResources().getDrawable(R.drawable.ic_title));
setTitle("Leanback Sample App");
setHeadersState(HEADERS_ENABLED);
setOnSearchClickedListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(getActivity(), SearchSupportActivity.class);
startActivity(intent);
}
});
setupRows();
setOnItemViewClickedListener(new ItemViewClickedListener());
setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
@Override
public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
RowPresenter.ViewHolder rowViewHolder, Row row) {
Log.i(TAG, "onItemSelected: " + item + " row " + row);
if (isShowingHeaders()) {
mBackgroundHelper.setBackground(getActivity(), null);
}
else if (item instanceof PhotoItem) {
mBackgroundHelper.setBackground(
getActivity(), ((PhotoItem) item).getImageResourceId());
}
}
});
if (TEST_ENTRANCE_TRANSITION) {
// don't run entrance transition if fragment is restored.
if (savedInstanceState == null) {
prepareEntranceTransition();
}
}
// simulates in a real world use case data being loaded two seconds later
new Handler().postDelayed(new Runnable() {
public void run() {
loadData();
startEntranceTransition();
}
}, 2000);
}
private void setupRows() {
ListRowPresenter lrp = new ListRowPresenter();
if (USE_FIXED_ROW_HEIGHT) {
lrp.setRowHeight(CardPresenter.getRowHeight(getActivity()));
lrp.setExpandedRowHeight(CardPresenter.getExpandedRowHeight(getActivity()));
}
mRowsAdapter = new ArrayObjectAdapter(lrp);
setAdapter(mRowsAdapter);
}
private void loadData() {
for (int i = 0; i < NUM_ROWS; ++i) {
ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(sCardPresenter);
listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
listRowAdapter.add(new PhotoItem("This is a test", "Only a test", R.drawable.gallery_photo_2));
listRowAdapter.add(new PhotoItem("Android TV", "by Google", R.drawable.gallery_photo_3));
listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4));
listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_5));
listRowAdapter.add(new PhotoItem("This is a test", "Open GuidedStepSupportFragment", R.drawable.gallery_photo_6));
listRowAdapter.add(new PhotoItem("Android TV", "open RowsSupportActivity", R.drawable.gallery_photo_7));
listRowAdapter.add(new PhotoItem("Leanback", "open BrowseSupportActivity", R.drawable.gallery_photo_8));
HeaderItem header = new HeaderItem(i, "Row " + i);
mRowsAdapter.add(new ListRow(header, listRowAdapter));
}
}
private final class ItemViewClickedListener implements OnItemViewClickedListener {
@Override
public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
RowPresenter.ViewHolder rowViewHolder, Row row) {
Intent intent;
Bundle bundle;
if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_6) {
GuidedStepSupportFragment.add(getFragmentManager(),
new GuidedStepSupportActivity.FirstStepFragment(),
android.R.id.content);
return;
} else if ( ((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_8) {
intent = new Intent(getActivity(), BrowseSupportActivity.class);
bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity())
.toBundle();
} else if ( ((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_7) {
intent = new Intent(getActivity(), RowsSupportActivity.class);
bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity())
.toBundle();
} else {
intent = new Intent(getActivity(), DetailsSupportActivity.class);
intent.putExtra(DetailsSupportActivity.EXTRA_ITEM, (PhotoItem) item);
bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
getActivity(),
((ImageCardView)itemViewHolder.view).getMainImageView(),
DetailsSupportActivity.SHARED_ELEMENT_NAME).toBundle();
}
getActivity().startActivity(intent, bundle);
}
}
}
|
