1 /* 2 * Copyright (C) 2014 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.inputmethod.latin.settings; 18 19 import android.os.Build; 20 import android.preference.CheckBoxPreference; 21 import android.preference.Preference; 22 import android.preference.PreferenceGroup; 23 import android.preference.SwitchPreference; 24 25 import java.util.ArrayList; 26 27 public class TwoStatePreferenceHelper { 28 private static final String EMPTY_TEXT = ""; 29 30 private TwoStatePreferenceHelper() { 31 // This utility class is not publicly instantiable. 32 } 33 34 public static void replaceCheckBoxPreferencesBySwitchPreferences(final PreferenceGroup group) { 35 // The keyboard settings keeps using a CheckBoxPreference on KitKat or previous. 36 if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) { 37 return; 38 } 39 // The keyboard settings starts using a SwitchPreference without switch on/off text on 40 // API versions newer than KitKat. 41 replaceAllCheckBoxPreferencesBySwitchPreferences(group); 42 } 43 44 private static void replaceAllCheckBoxPreferencesBySwitchPreferences( 45 final PreferenceGroup group) { 46 final ArrayList<Preference> preferences = new ArrayList<>(); 47 final int count = group.getPreferenceCount(); 48 for (int index = 0; index < count; index++) { 49 preferences.add(group.getPreference(index)); 50 } 51 group.removeAll(); 52 for (int index = 0; index < count; index++) { 53 final Preference preference = preferences.get(index); 54 if (preference instanceof CheckBoxPreference) { 55 addSwitchPreferenceBasedOnCheckBoxPreference((CheckBoxPreference)preference, group); 56 } else { 57 group.addPreference(preference); 58 if (preference instanceof PreferenceGroup) { 59 replaceAllCheckBoxPreferencesBySwitchPreferences((PreferenceGroup)preference); 60 } 61 } 62 } 63 } 64 65 static void addSwitchPreferenceBasedOnCheckBoxPreference(final CheckBoxPreference checkBox, 66 final PreferenceGroup group) { 67 final SwitchPreference switchPref = new SwitchPreference(checkBox.getContext()); 68 switchPref.setTitle(checkBox.getTitle()); 69 switchPref.setKey(checkBox.getKey()); 70 switchPref.setOrder(checkBox.getOrder()); 71 switchPref.setPersistent(checkBox.isPersistent()); 72 switchPref.setEnabled(checkBox.isEnabled()); 73 switchPref.setChecked(checkBox.isChecked()); 74 switchPref.setSummary(checkBox.getSummary()); 75 switchPref.setSummaryOn(checkBox.getSummaryOn()); 76 switchPref.setSummaryOff(checkBox.getSummaryOff()); 77 switchPref.setSwitchTextOn(EMPTY_TEXT); 78 switchPref.setSwitchTextOff(EMPTY_TEXT); 79 group.addPreference(switchPref); 80 switchPref.setDependency(checkBox.getDependency()); 81 } 82 } 83
