1 /* 2 * Copyright 2023 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.settings.development; 18 19 import android.content.Context; 20 import android.provider.Settings; 21 22 import androidx.annotation.VisibleForTesting; 23 import androidx.preference.Preference; 24 import androidx.preference.TwoStatePreference; 25 26 import com.android.settings.core.PreferenceControllerMixin; 27 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 28 29 /** PreferenceController that controls the "Show key presses" developer option. */ 30 public class ShowKeyPressesPreferenceController extends 31 DeveloperOptionsPreferenceController implements 32 Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 33 34 private static final String SHOW_KEY_PRESSES_KEY = "show_key_presses"; 35 36 @VisibleForTesting 37 static final int SETTING_VALUE_ON = 1; 38 @VisibleForTesting 39 static final int SETTING_VALUE_OFF = 0; 40 ShowKeyPressesPreferenceController(Context context)41 public ShowKeyPressesPreferenceController(Context context) { 42 super(context); 43 } 44 45 @Override getPreferenceKey()46 public String getPreferenceKey() { 47 return SHOW_KEY_PRESSES_KEY; 48 } 49 50 @Override onPreferenceChange(Preference preference, Object newValue)51 public boolean onPreferenceChange(Preference preference, Object newValue) { 52 final boolean isEnabled = (Boolean) newValue; 53 Settings.System.putInt(mContext.getContentResolver(), 54 Settings.System.SHOW_KEY_PRESSES, isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF); 55 return true; 56 } 57 58 @Override updateState(Preference preference)59 public void updateState(Preference preference) { 60 int showKeyPresses = Settings.System.getInt(mContext.getContentResolver(), 61 Settings.System.SHOW_KEY_PRESSES, SETTING_VALUE_OFF); 62 ((TwoStatePreference) mPreference).setChecked(showKeyPresses != SETTING_VALUE_OFF); 63 } 64 65 @Override onDeveloperOptionsSwitchDisabled()66 protected void onDeveloperOptionsSwitchDisabled() { 67 super.onDeveloperOptionsSwitchDisabled(); 68 Settings.System.putInt(mContext.getContentResolver(), Settings.System.SHOW_KEY_PRESSES, 69 SETTING_VALUE_OFF); 70 ((TwoStatePreference) mPreference).setChecked(false); 71 } 72 } 73