1 /* 2 * Copyright (C) 2009 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; 18 19 import android.content.BroadcastReceiver; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.pm.PackageManager; 23 import android.content.pm.ResolveInfo; 24 import android.os.AsyncResult; 25 import android.os.Handler; 26 import android.os.Message; 27 import android.os.SystemProperties; 28 import android.provider.Settings; 29 import android.telephony.PhoneStateListener; 30 import android.telephony.ServiceState; 31 import android.telephony.TelephonyManager; 32 33 import com.android.internal.telephony.Phone; 34 import com.android.internal.telephony.TelephonyCapabilities; 35 36 import android.util.Log; 37 38 /* 39 * Handles OTA Start procedure at phone power up. At phone power up, if phone is not OTA 40 * provisioned (check MIN value of the Phone) and 'device_provisioned' is not set, 41 * OTA Activation screen is shown that helps user activate the phone 42 */ 43 public class OtaStartupReceiver extends BroadcastReceiver { 44 private static final String TAG = "OtaStartupReceiver"; 45 private static final boolean DBG = false; 46 private static final int MIN_READY = 10; 47 private static final int SERVICE_STATE_CHANGED = 11; 48 private Context mContext; 49 50 /** 51 * For debug purposes we're listening for otaspChanged events as 52 * this may be be used in the future for deciding if OTASP is 53 * necessary. 54 */ 55 private int mOtaspMode = -1; 56 private boolean mPhoneStateListenerRegistered = false; 57 private PhoneStateListener mPhoneStateListener = new PhoneStateListener() { 58 @Override 59 public void onOtaspChanged(int otaspMode) { 60 mOtaspMode = otaspMode; 61 Log.v(TAG, "onOtaspChanged: mOtaspMode=" + mOtaspMode); 62 } 63 }; 64 65 66 private Handler mHandler = new Handler() { 67 @Override 68 public void handleMessage(Message msg) { 69 switch (msg.what) { 70 case MIN_READY: 71 Log.v(TAG, "Attempting OtaActivation from handler, mOtaspMode=" + mOtaspMode); 72 OtaUtils.maybeDoOtaCall(mContext, mHandler, MIN_READY); 73 break; 74 case SERVICE_STATE_CHANGED: { 75 ServiceState state = (ServiceState) ((AsyncResult) msg.obj).result; 76 if (DBG) Log.d(TAG, "onServiceStateChanged()... new state = " + state); 77 78 // Possible service states: 79 // - STATE_IN_SERVICE // Normal operation 80 // - STATE_OUT_OF_SERVICE // Still searching for an operator to register to, 81 // // or no radio signal 82 // - STATE_EMERGENCY_ONLY // Phone is locked; only emergency numbers are allowed 83 // - STATE_POWER_OFF // Radio is explicitly powered off (airplane mode) 84 85 // Once we reach STATE_IN_SERVICE 86 // it's finally OK to start OTA provisioning 87 if (state.getState() == ServiceState.STATE_IN_SERVICE) { 88 if (DBG) Log.d(TAG, "call OtaUtils.maybeDoOtaCall after network is available"); 89 Phone phone = PhoneApp.getPhone(); 90 phone.unregisterForServiceStateChanged(this); 91 OtaUtils.maybeDoOtaCall(mContext, mHandler, MIN_READY); 92 } 93 break; 94 } 95 } 96 97 } 98 }; 99 100 @Override onReceive(Context context, Intent intent)101 public void onReceive(Context context, Intent intent) { 102 mContext = context; 103 if (DBG) { 104 Log.v(TAG, "onReceive: intent action=" + intent.getAction() + 105 " mOtaspMode=" + mOtaspMode); 106 } 107 108 if (!TelephonyCapabilities.supportsOtasp(PhoneApp.getPhone())) { 109 if (DBG) Log.d(TAG, "OTASP not supported, nothing to do."); 110 return; 111 } 112 113 if (mPhoneStateListenerRegistered == false) { 114 if (DBG) Log.d(TAG, "Register our PhoneStateListener"); 115 TelephonyManager telephonyManager = (TelephonyManager)context.getSystemService( 116 Context.TELEPHONY_SERVICE); 117 telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_OTASP_CHANGED); 118 mPhoneStateListenerRegistered = true; 119 } else { 120 if (DBG) Log.d(TAG, "PhoneStateListener already registered"); 121 } 122 123 if (shouldPostpone(context)) { 124 if (DBG) Log.d(TAG, "Postponing OTASP until wizard runs"); 125 return; 126 } 127 128 // Delay OTA provisioning if network is not available yet 129 PhoneApp app = PhoneApp.getInstance(); 130 Phone phone = PhoneApp.getPhone(); 131 if (app.mCM.getServiceState() != ServiceState.STATE_IN_SERVICE) { 132 if (DBG) Log.w(TAG, "Network is not ready. Registering to receive notification."); 133 phone.registerForServiceStateChanged(mHandler, SERVICE_STATE_CHANGED, null); 134 return; 135 } 136 137 // The following depends on the phone process being persistent. Normally we can't 138 // expect a BroadcastReceiver to persist after returning from this function but it does 139 // because the phone activity is persistent. 140 if (DBG) Log.d(TAG, "call OtaUtils.maybeDoOtaCall"); 141 OtaUtils.maybeDoOtaCall(mContext, mHandler, MIN_READY); 142 } 143 144 /** 145 * On devices that provide a phone initialization wizard (such as Google Setup Wizard), we 146 * allow delaying CDMA OTA setup so it can be done in a single wizard. The wizard is responsible 147 * for (1) disabling itself once it has been run and/or (2) setting the 'device_provisioned' 148 * flag to something non-zero and (3) calling the OTA Setup with the action below. 149 * 150 * NB: Typical phone initialization wizards will install themselves as the homescreen 151 * (category "android.intent.category.HOME") with a priority higher than the default. 152 * The wizard should set 'device_provisioned' when it completes, disable itself with the 153 * PackageManager.setComponentEnabledSetting() and then start home screen. 154 * 155 * @return true if setup will be handled by wizard, false if it should be done now. 156 */ shouldPostpone(Context context)157 private boolean shouldPostpone(Context context) { 158 Intent intent = new Intent("android.intent.action.DEVICE_INITIALIZATION_WIZARD"); 159 ResolveInfo resolveInfo = context.getPackageManager().resolveActivity(intent, 160 PackageManager.MATCH_DEFAULT_ONLY); 161 boolean provisioned = Settings.Secure.getInt(context.getContentResolver(), 162 Settings.Secure.DEVICE_PROVISIONED, 0) != 0; 163 String mode = SystemProperties.get("ro.setupwizard.mode", "REQUIRED"); 164 boolean runningSetupWizard = "REQUIRED".equals(mode) || "OPTIONAL".equals(mode); 165 if (DBG) { 166 Log.v(TAG, "resolvInfo = " + resolveInfo + ", provisioned = " + provisioned 167 + ", runningSetupWizard = " + runningSetupWizard); 168 } 169 return resolveInfo != null && !provisioned && runningSetupWizard; 170 } 171 } 172