1 /* 2 * Copyright (C) 2015 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.phone.settings; 18 19 import android.content.Context; 20 import android.media.AudioManager; 21 import android.os.Bundle; 22 import android.preference.CheckBoxPreference; 23 import android.preference.Preference; 24 import android.preference.PreferenceFragment; 25 import android.preference.PreferenceScreen; 26 import android.provider.Settings; 27 import android.telecom.TelecomManager; 28 import android.telephony.CarrierConfigManager; 29 import android.telephony.PhoneStateListener; 30 import android.telephony.TelephonyManager; 31 import android.util.Log; 32 33 import com.android.ims.ImsManager; 34 import com.android.phone.PhoneGlobals; 35 import com.android.phone.R; 36 import com.android.phone.settings.TtyModeListPreference; 37 38 public class AccessibilitySettingsFragment extends PreferenceFragment { 39 private static final String LOG_TAG = AccessibilitySettingsFragment.class.getSimpleName(); 40 private static final boolean DBG = (PhoneGlobals.DBG_LEVEL >= 2); 41 42 private static final String BUTTON_TTY_KEY = "button_tty_mode_key"; 43 private static final String BUTTON_HAC_KEY = "button_hac_key"; 44 45 private final PhoneStateListener mPhoneStateListener = new PhoneStateListener() { 46 /** 47 * Disable the TTY setting when in/out of a call (and if carrier doesn't 48 * support VoLTE with TTY). 49 * @see android.telephony.PhoneStateListener#onCallStateChanged(int, 50 * java.lang.String) 51 */ 52 @Override 53 public void onCallStateChanged(int state, String incomingNumber) { 54 if (DBG) Log.d(LOG_TAG, "PhoneStateListener.onCallStateChanged: state=" + state); 55 Preference pref = getPreferenceScreen().findPreference(BUTTON_TTY_KEY); 56 if (pref != null) { 57 pref.setEnabled(state == TelephonyManager.CALL_STATE_IDLE); 58 } 59 } 60 }; 61 62 private Context mContext; 63 private AudioManager mAudioManager; 64 65 private TtyModeListPreference mButtonTty; 66 private CheckBoxPreference mButtonHac; 67 68 @Override onCreate(Bundle savedInstanceState)69 public void onCreate(Bundle savedInstanceState) { 70 super.onCreate(savedInstanceState); 71 72 mContext = getActivity().getApplicationContext(); 73 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 74 75 addPreferencesFromResource(R.xml.accessibility_settings); 76 77 mButtonTty = (TtyModeListPreference) findPreference( 78 getResources().getString(R.string.tty_mode_key)); 79 mButtonHac = (CheckBoxPreference) findPreference(BUTTON_HAC_KEY); 80 81 if (PhoneGlobals.getInstance().phoneMgr.isTtyModeSupported()) { 82 mButtonTty.init(); 83 } else { 84 getPreferenceScreen().removePreference(mButtonTty); 85 mButtonTty = null; 86 } 87 88 if (PhoneGlobals.getInstance().phoneMgr.isHearingAidCompatibilitySupported()) { 89 int hac = Settings.System.getInt(mContext.getContentResolver(), 90 Settings.System.HEARING_AID, SettingsConstants.HAC_DISABLED); 91 mButtonHac.setChecked(hac == SettingsConstants.HAC_ENABLED); 92 } else { 93 getPreferenceScreen().removePreference(mButtonHac); 94 mButtonHac = null; 95 } 96 } 97 98 @Override onResume()99 public void onResume() { 100 super.onResume(); 101 102 if (ImsManager.isVolteEnabledByPlatform(mContext) && !getVolteTtySupported()) { 103 TelephonyManager tm = 104 (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE); 105 tm.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE); 106 } 107 } 108 109 @Override onPause()110 public void onPause() { 111 super.onPause(); 112 113 if (ImsManager.isVolteEnabledByPlatform(mContext) && !getVolteTtySupported()) { 114 TelephonyManager tm = 115 (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE); 116 tm.listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE); 117 } 118 } 119 120 @Override onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference)121 public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 122 if (preference == mButtonTty) { 123 return true; 124 } else if (preference == mButtonHac) { 125 int hac = mButtonHac.isChecked() 126 ? SettingsConstants.HAC_ENABLED : SettingsConstants.HAC_DISABLED; 127 // Update HAC value in Settings database. 128 Settings.System.putInt(mContext.getContentResolver(), Settings.System.HEARING_AID, hac); 129 130 // Update HAC Value in AudioManager. 131 mAudioManager.setParameter(SettingsConstants.HAC_KEY, 132 hac == SettingsConstants.HAC_ENABLED 133 ? SettingsConstants.HAC_VAL_ON : SettingsConstants.HAC_VAL_OFF); 134 return true; 135 } 136 return false; 137 } 138 getVolteTtySupported()139 private boolean getVolteTtySupported() { 140 CarrierConfigManager configManager = 141 (CarrierConfigManager) mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE); 142 return configManager.getConfig().getBoolean( 143 CarrierConfigManager.KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL); 144 } 145 } 146