android接听电话源码

/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.phone; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothHeadset; import android.content.BroadcastReceiver; import android.content.Context; import android.content.DialogInterface.OnCancelListener; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentFilter; import android.content.res.Configuration; import android.content.res.Resources; import android.graphics.PixelFormat; import android.graphics.Typeface; import android.graphics.drawable.Drawable; import android.media.AudioManager; import android.net.Uri; import android.os.AsyncResult; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.os.SystemClock; import android.os.SystemProperties; import android.provider.Settings; import android.telephony.PhoneNumberUtils; import android.telephony.ServiceState; import android.text.TextUtils; import android.text.method.DialerKeyListener; import android.util.EventLog; import android.util.Log; import android.view.KeyEvent; import android.view.Menu; import android.view.MotionEvent; import android.view.View; import android.view.ViewConfiguration; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.view.accessibility.AccessibilityEvent; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.SlidingDrawer; import android.widget.TextView; import android.widget.Toast; import com.android.internal.telephony.Call; import com.android.internal.telephony.CallManager; import com.android.internal.telephony.Connection; import com.android.internal.telephony.MmiCode; import com.android.internal.telephony.Phone; import com.android.phone.OtaUtils.CdmaOtaInCallScreenUiState; import com.android.phone.OtaUtils.CdmaOtaScreenState; import java.util.List; /** * Phone app "in call" screen. */ public class InCallScreen extends Activity implements View.OnClickListener, View.OnTouchListener { private static final String LOG_TAG = "InCallScreen"; private static final boolean DBG = (PhoneApp.DBG_LEVEL >= 1) && (SystemProperties.getInt("ro.debuggable", 0) == 1); private static final boolean VDBG = (PhoneApp.DBG_LEVEL >= 2); /** * Intent extra used to specify whether the DTMF dialpad should be * initially visible when bringing up the InCallScreen. (If this * extra is present, the dialpad will be initially shown if the extra * has the boolean value true, and initially hidden otherwise.) */ // TODO: Should be EXTRA_SHOW_DIALPAD for consistency. static final String SHOW_DIALPAD_EXTRA = "com.android.phone.ShowDialpad"; /** * Intent extra to specify the package name of the gateway * provider. Used to get the name displayed in the in-call screen * during the call setup. The value is a string. */ // TODO: This extra is currently set by the gateway application as // a temporary measure. Ultimately, the framework will securely // set it. /* package */ static final String EXTRA_GATEWAY_PROVIDER_PACKAGE = "com.android.phone.extra.GATEWAY_PROVIDER_PACKAGE"; /** * Intent extra to specify the URI of the provider to place the * call. The value is a string. It holds the gateway address * (phone gateway URL should start with the 'tel:' scheme) that * will actually be contacted to call the number passed in the * intent URL or in the EXTRA_PHONE_NUMBER extra. */ // TODO: Should the value be a Uri (Parcelable)? Need to make sure // MMI code '#' don't get confused as URI fragments. /* package */ static final String EXTRA_GATEWAY_URI = "com.android.phone.extra.GATEWAY_URI"; // Amount of time (in msec) that we display the "Call ended" state. // The "short" value is for calls ended by the local user, and the // "long" value is for calls ended by the remote caller. private static final int CALL_ENDED_SHORT_DELAY = 200; // msec private static final int CALL_ENDED_LONG_DELAY = 2000; // msec // Amount of time (in msec) that we keep the in-call menu onscreen // *after* the user changes the state of one of the toggle buttons. private static final int MENU_DISMISS_DELAY = 1000; // msec // Amount of time that we display the PAUSE alert Dialog showing the // post dial string yet to be send out to the n/w private static final int PAUSE_PROMPT_DIALOG_TIMEOUT = 2000; //msec // The "touch lock" overlay timeout comes from Gservices; this is the default. private static final int TOUCH_LOCK_DELAY_DEFAULT = 6000; // msec // Amount of time for Displaying "Dialing" for 3way Calling origination private static final int THREEWAY_CALLERINFO_DISPLAY_TIME = 3000; // msec // Amount of time that we display the provider's overlay if applicable. private static final int PROVIDER_OVERLAY_TIMEOUT = 5000; // msec // These are values for the settings of the auto retry mode: // 0 = disabled // 1 = enabled // TODO (Moto):These constants don't really belong here, // they should be moved to Settings where the value is being looked up in the first place static final int AUTO_RETRY_OFF = 0; static final int AUTO_RETRY_ON = 1; // Message codes; see mHandler below. // Note message codes < 100 are reserved for the PhoneApp. private static final int PHONE_STATE_CHANGED = 101; private static final int PHONE_DISCONNECT = 102; private static final int EVENT_HEADSET_PLUG_STATE_CHANGED = 103; private static final int POST_ON_DIAL_CHARS = 104; private static final int WILD_PROMPT_CHAR_ENTERED = 105; private static final int ADD_VOICEMAIL_NUMBER = 106; private static final int DONT_ADD_VOICEMAIL_NUMBER = 107; private static final int DELAYED_CLEANUP_AFTER_DISCONNECT = 108; private static final int SUPP_SERVICE_FAILED = 110; private static final int DISMISS_MENU = 111; private static final int ALLOW_SCREEN_ON = 112; private static final int TOUCH_LOCK_TIMER = 113; private static final int REQUEST_UPDATE_BLUETOOTH_INDICATION = 114; private static final int PHONE_CDMA_CALL_WAITING = 115; private static final int THREEWAY_CALLERINFO_DISPLAY_DONE = 116; private static final int EVENT_OTA_PROVISION_CHANGE = 117; private static final int REQUEST_CLOSE_SPC_ERROR_NOTICE = 118; private static final int REQUEST_CLOSE_OTA_FAILURE_NOTICE = 119; private static final int EVENT_PAUSE_DIALOG_COMPLETE = 120; private static final int EVENT_HIDE_PROVIDER_OVERLAY = 121; // Time to remove the overlay. private static final int REQUEST_UPDATE_TOUCH_UI = 122; //following constants are used for OTA Call public static final String ACTION_SHOW_ACTIVATION = "com.android.phone.InCallScreen.SHOW_ACTIVATION"; public static final String OTA_NUMBER = "*228"; public static final String EXTRA_OTA_CALL = "android.phone.extra.OTA_CALL"; // When InCallScreenMode is UNDEFINED set the default action // to ACTION_UNDEFINED so if we are resumed the activity will // know its