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      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  */
     16 package com.example.android.leanback;
     17 
     18 import android.content.Intent;
     19 import android.os.Bundle;
     20 import android.os.Handler;
     21 import android.support.v17.leanback.widget.ArrayObjectAdapter;
     22 import android.support.v17.leanback.widget.Presenter;
     23 import android.support.v17.leanback.widget.RowPresenter;
     24 import android.support.v17.leanback.widget.VerticalGridPresenter;
     25 import android.support.v17.leanback.widget.Row;
     26 import android.support.v17.leanback.widget.OnItemViewClickedListener;
     27 import android.support.v17.leanback.widget.OnItemViewSelectedListener;
     28 import android.util.Log;
     29 import android.view.Gravity;
     30 import android.view.View;
     31 import android.view.ViewGroup;
     32 import android.widget.TextView;
     33 
     34 public class VerticalGridSupportFragment extends android.support.v17.leanback.app.VerticalGridSupportFragment {
     35     private static final String TAG = "leanback.VerticalGridSupportFragment";
     36 
     37     private static final int NUM_COLUMNS = 3;
     38     private static final int NUM_ITEMS = 50;
     39     private static final int HEIGHT = 200;
     40     private static final boolean TEST_ENTRANCE_TRANSITION = true;
     41 
     42     private static class Adapter extends ArrayObjectAdapter {
     43         public Adapter(StringPresenter presenter) {
     44             super(presenter);
     45         }
     46         public void callNotifyChanged() {
     47             super.notifyChanged();
     48         }
     49     }
     50     private Adapter mAdapter;
     51 
     52     @Override
     53     public void onCreate(Bundle savedInstanceState) {
     54         Log.i(TAG, "onCreate");
     55         super.onCreate(savedInstanceState);
     56 
     57         setBadgeDrawable(getActivity().getResources().getDrawable(R.drawable.ic_title));
     58         setTitle("Leanback Vertical Grid Demo");
     59 
     60         setupFragment();
     61         if (TEST_ENTRANCE_TRANSITION) {
     62             // don't run entrance transition if fragment is restored.
     63             if (savedInstanceState == null) {
     64                 prepareEntranceTransition();
     65             }
     66         }
     67         // simulates in a real world use case  data being loaded two seconds later
     68         new Handler().postDelayed(new Runnable() {
     69             public void run() {
     70                 loadData();
     71                 startEntranceTransition();
     72             }
     73         }, 2000);
     74     }
     75 
     76     private void loadData() {
     77         for (int i = 0; i < NUM_ITEMS; i++) {
     78             mAdapter.add(Integer.toString(i));
     79         }
     80     }
     81 
     82     private void setupFragment() {
     83         VerticalGridPresenter gridPresenter = new VerticalGridPresenter();
     84         gridPresenter.setNumberOfColumns(NUM_COLUMNS);
     85         setGridPresenter(gridPresenter);
     86 
     87         mAdapter = new Adapter(new StringPresenter());
     88         setAdapter(mAdapter);
     89 
     90         setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
     91             @Override
     92             public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
     93                     RowPresenter.ViewHolder rowViewHolder, Row row) {
     94                 Log.i(TAG, "onItemSelected: " + item + " row " + row);
     95             }
     96         });
     97 
     98         setOnItemViewClickedListener(new OnItemViewClickedListener() {
     99             @Override
    100             public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
    101                     RowPresenter.ViewHolder rowViewHolder, Row row) {
    102                 Log.i(TAG, "onItemClicked: " + item + " row " + row);
    103                 mAdapter.callNotifyChanged();
    104             }
    105         });
    106         setOnSearchClickedListener(new View.OnClickListener() {
    107             @Override
    108             public void onClick(View view) {
    109                 Intent intent = new Intent(getActivity(), SearchSupportActivity.class);
    110                 startActivity(intent);
    111             }
    112         });
    113     }
    114 }
    115