VerticalGridSupportFragment.java revision b7087e036a48f5a3db28d02ff7f9b97fbbc46c4f 
1/* This file is auto-generated from VerticalGridFragment.  DO NOT MODIFY. */
2
3/*
4 * Copyright (C) 2014 The Android Open Source Project
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
7 * in compliance with the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software distributed under the License
12 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
13 * or implied. See the License for the specific language governing permissions and limitations under
14 * the License.
15 */
16package com.example.android.leanback;
17
18import android.content.Context;
19import android.content.Intent;
20import android.os.Bundle;
21import android.os.Handler;
22import android.support.v17.leanback.widget.ArrayObjectAdapter;
23import android.support.v17.leanback.widget.OnItemViewClickedListener;
24import android.support.v17.leanback.widget.OnItemViewSelectedListener;
25import android.support.v17.leanback.widget.Presenter;
26import android.support.v17.leanback.widget.Row;
27import android.support.v17.leanback.widget.RowPresenter;
28import android.support.v17.leanback.widget.VerticalGridPresenter;
29import android.support.v4.content.res.ResourcesCompat;
30import android.util.Log;
31import android.view.View;
32
33public class VerticalGridSupportFragment extends android.support.v17.leanback.app.VerticalGridSupportFragment {
34    private static final String TAG = "leanback.VerticalGridSupportFragment";
35
36    private static final int NUM_COLUMNS = 3;
37    private static final int NUM_ITEMS = 50;
38    private static final int HEIGHT = 200;
39    private static final boolean TEST_ENTRANCE_TRANSITION = true;
40
41    private static class Adapter extends ArrayObjectAdapter {
42        public Adapter(StringPresenter presenter) {
43            super(presenter);
44        }
45        public void callNotifyChanged() {
46            super.notifyChanged();
47        }
48    }
49    private Adapter mAdapter;
50
51    @Override
52    public void onCreate(Bundle savedInstanceState) {
53        Log.i(TAG, "onCreate");
54        super.onCreate(savedInstanceState);
55
56        final Context context = getActivity();
57        setBadgeDrawable(ResourcesCompat.getDrawable(context.getResources(),
58                R.drawable.ic_title, context.getTheme()));
59        setTitle("Leanback Vertical Grid Demo");
60
61        setupFragment();
62        if (TEST_ENTRANCE_TRANSITION) {
63            // don't run entrance transition if fragment is restored.
64            if (savedInstanceState == null) {
65                prepareEntranceTransition();
66            }
67        }
68        // simulates in a real world use case  data being loaded two seconds later
69        new Handler().postDelayed(new Runnable() {
70            public void run() {
71                loadData();
72                startEntranceTransition();
73            }
74        }, 2000);
75    }
76
77    private void loadData() {
78        for (int i = 0; i < NUM_ITEMS; i++) {
79            mAdapter.add(Integer.toString(i));
80        }
81    }
82
83    private void setupFragment() {
84        VerticalGridPresenter gridPresenter = new VerticalGridPresenter();
85        gridPresenter.setNumberOfColumns(NUM_COLUMNS);
86        setGridPresenter(gridPresenter);
87
88        mAdapter = new Adapter(new StringPresenter());
89        setAdapter(mAdapter);
90
91        setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
92            @Override
93            public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
94                    RowPresenter.ViewHolder rowViewHolder, Row row) {
95                Log.i(TAG, "onItemSelected: " + item + " row " + row);
96            }
97        });
98
99        setOnItemViewClickedListener(new OnItemViewClickedListener() {
100            @Override
101            public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
102                    RowPresenter.ViewHolder rowViewHolder, Row row) {
103                Log.i(TAG, "onItemClicked: " + item + " row " + row);
104                mAdapter.callNotifyChanged();
105            }
106        });
107        setOnSearchClickedListener(new View.OnClickListener() {
108            @Override
109            public void onClick(View view) {
110                Intent intent = new Intent(getActivity(), SearchSupportActivity.class);
111                startActivity(intent);
112            }
113        });
114    }
115}
116