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