1 /* 2 * Copyright (C) 2016 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.android.tv.ui; 18 19 import android.content.Context; 20 import android.support.v17.leanback.app.GuidedStepFragment; 21 import android.support.v17.leanback.widget.GuidedAction; 22 import android.support.v17.leanback.widget.GuidedActionsStylist; 23 24 import com.android.tv.R; 25 26 /** 27 * Extended stylist class used for {@link GuidedStepFragment} with divider support. 28 */ 29 public class GuidedActionsStylistWithDivider extends GuidedActionsStylist { 30 /** 31 * ID used mark a divider. 32 */ 33 public static final int ACTION_DIVIDER = -100; 34 private static final int VIEW_TYPE_DIVIDER = 1; 35 36 @Override 37 public int getItemViewType(GuidedAction action) { 38 if (action.getId() == ACTION_DIVIDER) { 39 return VIEW_TYPE_DIVIDER; 40 } 41 return super.getItemViewType(action); 42 } 43 44 @Override 45 public int onProvideItemLayoutId(int viewType) { 46 if (viewType == VIEW_TYPE_DIVIDER) { 47 return R.layout.guided_action_divider; 48 } 49 return super.onProvideItemLayoutId(viewType); 50 } 51 52 /** 53 * Creates a divider for {@link GuidedStepFragment}, targeted fragments must use 54 * {@link GuidedActionsStylistWithDivider} as its actions' stylist for divider to work. 55 */ 56 public static GuidedAction createDividerAction(Context context) { 57 return new GuidedAction.Builder(context) 58 .id(ACTION_DIVIDER) 59 .title(null) 60 .description(null) 61 .focusable(false) 62 .infoOnly(true) 63 .build(); 64 } 65 } 66