1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 package androidx.leanback.widget; 15 16 import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP; 17 18 import android.view.View; 19 20 import androidx.annotation.RestrictTo; 21 22 /** 23 * Interface for highlighting the item that has focus. 24 */ 25 interface FocusHighlightHandler { 26 /** 27 * Called when an item gains or loses focus. 28 * @hide 29 * 30 * @param view The view whose focus is changing. 31 * @param hasFocus True if focus is gained; false otherwise. 32 */ 33 @RestrictTo(LIBRARY_GROUP) 34 void onItemFocused(View view, boolean hasFocus); 35 36 /** 37 * Called when the view is being created. 38 */ 39 void onInitializeView(View view); 40 } 41
