186163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn/* 286163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * Copyright (C) 2015 The Android Open Source Project 386163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * 486163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 586163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * in compliance with the License. You may obtain a copy of the License at 686163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * 786163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * http://www.apache.org/licenses/LICENSE-2.0 886163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * 986163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * Unless required by applicable law or agreed to in writing, software distributed under the License 1086163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 1186163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * or implied. See the License for the specific language governing permissions and limitations under 1286163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * the License. 1386163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn */ 1486163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn 15fd6954036f5be6b2ca578d76e70510fa23051911Robert Hahnpackage android.support.v17.leanback.supportleanbackshowcase.app.grid; 1686163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn 1786163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahnimport android.os.Bundle; 18fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Guimport android.os.Handler; 1986163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahnimport android.support.v17.leanback.app.VerticalGridFragment; 20ad31f63f5843898de645f6ee1ac244c872ded8ccRobert Hahnimport android.support.v17.leanback.supportleanbackshowcase.R; 21ad31f63f5843898de645f6ee1ac244c872ded8ccRobert Hahnimport android.support.v17.leanback.supportleanbackshowcase.utils.Utils; 22ad31f63f5843898de645f6ee1ac244c872ded8ccRobert Hahnimport android.support.v17.leanback.supportleanbackshowcase.models.CardRow; 2386163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahnimport android.support.v17.leanback.supportleanbackshowcase.cards.presenters.CardPresenterSelector; 2486163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahnimport android.support.v17.leanback.widget.ArrayObjectAdapter; 2586163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahnimport android.support.v17.leanback.widget.FocusHighlight; 2686163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahnimport android.support.v17.leanback.widget.PresenterSelector; 2786163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahnimport android.support.v17.leanback.widget.VerticalGridPresenter; 2886163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn 2986163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahnimport com.google.gson.Gson; 3086163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn 3186163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn/** 3286163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn * An example how to use leanback's {@link VerticalGridFragment}. 3386163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn */ 3422f51aab96c6bb84d0ad3d5aa81afd0ca9d9002fRobert Hahnpublic class GridExampleFragment extends VerticalGridFragment { 3586163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn 3686163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn private static final int COLUMNS = 4; 37fd6954036f5be6b2ca578d76e70510fa23051911Robert Hahn private static final int ZOOM_FACTOR = FocusHighlight.ZOOM_FACTOR_MEDIUM; 3886163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn 39fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu private ArrayObjectAdapter mAdapter; 40fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu 4186163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn public void onCreate(Bundle savedInstanceState) { 4286163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn super.onCreate(savedInstanceState); 4386163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn setTitle(getString(R.string.grid_example_title)); 4486163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn setupRowAdapter(); 4586163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn } 4686163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn 4786163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn private void setupRowAdapter() { 4886163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn VerticalGridPresenter gridPresenter = new VerticalGridPresenter(ZOOM_FACTOR); 4986163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn gridPresenter.setNumberOfColumns(COLUMNS); 5086163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn setGridPresenter(gridPresenter); 5186163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn 5286163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn PresenterSelector cardPresenterSelector = new CardPresenterSelector(getActivity()); 53fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu mAdapter = new ArrayObjectAdapter(cardPresenterSelector); 54fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu setAdapter(mAdapter); 55fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu 56fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu prepareEntranceTransition(); 57fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu new Handler().postDelayed(new Runnable() { 58fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu @Override 59fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu public void run() { 60fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu createRows(); 61fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu startEntranceTransition(); 62fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu } 63fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu }, 1000); 6486163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn } 6586163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn 66fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu private void createRows() { 67fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu String json = Utils.inputStreamToString(getResources() 68fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu .openRawResource(R.raw.grid_example)); 69fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu CardRow row = new Gson().fromJson(json, CardRow.class); 70fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu mAdapter.addAll(0, row.getCards()); 71fe7b43e37f67f78e8ff69aeccdbee90b015e3035Dake Gu } 7286163d539e1aeb9ae7612def7aaf7dbfc5b88f28Robert Hahn} 73