Home | History | Annotate | Download | only in rich 
      1 /*
      2  * Copyright 2015 The Android Open Source Project
      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.sampletvinput.rich;
     18 
     19 import android.graphics.Color;
     20 import android.media.tv.TvInputInfo;
     21 import android.os.Bundle;
     22 import android.support.v17.leanback.app.BrowseFragment;
     23 import android.support.v17.leanback.widget.ArrayObjectAdapter;
     24 import android.support.v17.leanback.widget.HeaderItem;
     25 import android.support.v17.leanback.widget.ListRow;
     26 import android.support.v17.leanback.widget.ListRowPresenter;
     27 import android.support.v17.leanback.widget.OnItemViewClickedListener;
     28 import android.support.v17.leanback.widget.OnItemViewSelectedListener;
     29 import android.support.v17.leanback.widget.Presenter;
     30 import android.support.v17.leanback.widget.Row;
     31 import android.support.v17.leanback.widget.RowPresenter;
     32 import android.text.TextUtils;
     33 import android.view.Gravity;
     34 import android.view.View;
     35 import android.view.ViewGroup;
     36 import android.widget.TextView;
     37 import android.widget.Toast;
     38 
     39 import com.example.android.sampletvinput.R;
     40 import com.example.android.sampletvinput.TvContractUtils;
     41 
     42 /**
     43  * Fragment which shows a sample UI for configuring {@link RichTvInputService}.
     44  */
     45 public class RichSettingsFragment extends BrowseFragment {
     46     private static final String TAG = "SettingsFragment";
     47 
     48     private static final int GRID_ITEM_WIDTH = 500;
     49     private static final int GRID_ITEM_HEIGHT = 200;
     50 
     51     private ArrayObjectAdapter mRowsAdapter;
     52 
     53     // Container Activity must implement this interface
     54     public interface SettingsClickedListener {
     55         public void onSettingsClicked();
     56     }
     57 
     58     @Override
     59     public void onActivityCreated(Bundle savedInstanceState) {
     60         super.onActivityCreated(savedInstanceState);
     61 
     62         setupUIElements();
     63 
     64         loadRows();
     65 
     66         setupEventListeners();
     67     }
     68 
     69     @Override
     70     public void onDestroy() {
     71         super.onDestroy();
     72     }
     73 
     74     private void loadRows() {
     75 
     76         String inputId = getActivity().getIntent().getStringExtra(TvInputInfo.EXTRA_INPUT_ID);
     77         String serviceName = TvContractUtils.getServiceNameFromInputId(getActivity(), inputId);
     78 
     79         if (!TextUtils.isEmpty(serviceName)) {
     80             String[] a = serviceName.split("\\.");
     81             serviceName = a[a.length - 1];
     82         }
     83 
     84         GridItemPresenter mGridPresenter = new GridItemPresenter();
     85 
     86         mRowsAdapter = new ArrayObjectAdapter(new ListRowPresenter());
     87         HeaderItem gridHeader = new HeaderItem(0, "SETTINGS", null);
     88 
     89         ArrayObjectAdapter gridRowAdapter = new ArrayObjectAdapter(mGridPresenter);
     90         gridRowAdapter.add(serviceName + " Settings");
     91         if (RichTvInputService.class.getName().contains(serviceName) ) {
     92             gridRowAdapter.add("Server URLs");
     93             gridRowAdapter.add("Update Frequency");
     94         }
     95         mRowsAdapter.add(new ListRow(gridHeader, gridRowAdapter));
     96 
     97         setAdapter(mRowsAdapter);
     98     }
     99 
    100     private void setupUIElements() {
    101         setTitle(getString(R.string.rich_settings_browse_title));
    102         setHeadersState(HEADERS_DISABLED);
    103         setHeadersTransitionOnBackEnabled(true);
    104 
    105         // set fastLane (or headers) background color
    106         setBrandColor(getResources().getColor(R.color.fastlane_background));
    107         // set search icon color
    108         setSearchAffordanceColor(getResources().getColor(R.color.search_opaque));
    109     }
    110 
    111     private void setupEventListeners() {
    112         setOnItemViewClickedListener(new ItemViewClickedListener());
    113         setOnItemViewSelectedListener(new ItemViewSelectedListener());
    114     }
    115 
    116     private final class ItemViewClickedListener implements OnItemViewClickedListener {
    117         @Override
    118         public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
    119                                   RowPresenter.ViewHolder rowViewHolder, Row row) {
    120 
    121             if (item instanceof String) {
    122                 Toast.makeText(getActivity(), ((String) item), Toast.LENGTH_SHORT).show();
    123             }
    124         }
    125     }
    126 
    127 
    128     private final class ItemViewSelectedListener implements OnItemViewSelectedListener {
    129         @Override
    130         public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
    131                                    RowPresenter.ViewHolder rowViewHolder, Row row) {
    132         }
    133     }
    134 
    135     private class GridItemPresenter extends Presenter {
    136         @Override
    137         public ViewHolder onCreateViewHolder(ViewGroup parent) {
    138             TextView view = new TextView(parent.getContext());
    139             view.setLayoutParams(new ViewGroup.LayoutParams(GRID_ITEM_WIDTH, GRID_ITEM_HEIGHT));
    140             view.setFocusable(true);
    141             view.setFocusableInTouchMode(true);
    142             view.setBackgroundColor(getResources().getColor(R.color.default_background));
    143             view.setTextColor(Color.WHITE);
    144             view.setGravity(Gravity.CENTER);
    145             return new ViewHolder(view);
    146         }
    147 
    148         @Override
    149         public void onBindViewHolder(ViewHolder viewHolder, Object item) {
    150             ((TextView) viewHolder.view).setText((String) item);
    151         }
    152 
    153         @Override
    154         public void onUnbindViewHolder(ViewHolder viewHolder) {
    155         }
    156     }
    157 
    158 }
    159