1 /* 2 * Copyright (C) 2021 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.settings.util; 18 19 import android.view.View; 20 import android.widget.TextView; 21 22 import androidx.annotation.NonNull; 23 import androidx.leanback.preference.LeanbackPreferenceFragmentCompat; 24 import androidx.preference.Preference; 25 import com.android.tv.settings.R; 26 27 public class SettingsPreferenceUtil { 28 private static final String DELIMITER = ":"; 29 30 /** 31 * Return the compound key of the preference. Format: Title:Key 32 * 33 * @param fragment fragment which preference belongs to. 34 * @return compound key of the preference 35 */ getCompoundKey(@onNull LeanbackPreferenceFragmentCompat fragment, @NonNull Preference preference)36 public static String getCompoundKey(@NonNull LeanbackPreferenceFragmentCompat fragment, 37 @NonNull Preference preference) { 38 String title = ""; 39 View fragmentView = fragment.getView(); 40 if (fragmentView != null && fragmentView.findViewById(R.id.decor_title) != null) { 41 title = ((TextView) (fragmentView.findViewById(R.id.decor_title))).getText().toString(); 42 } 43 return title + DELIMITER + preference.getKey(); 44 } 45 } 46