/* * Copyright (C) 2008 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 android.telephony; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.telephony.ServiceState; import android.telephony.SignalStrength; import android.telephony.CellLocation; import android.telephony.CellInfo; import android.util.Log; import com.android.internal.telephony.IPhoneStateListener; import java.util.List; /** * A listener class for monitoring changes in specific telephony states * on the device, including service state, signal strength, message * waiting indicator (voicemail), and others. *
* Override the methods for the state that you wish to receive updates for, and * pass your PhoneStateListener object, along with bitwise-or of the LISTEN_ * flags to {@link TelephonyManager#listen TelephonyManager.listen()}. *
* Note that access to some telephony information is * permission-protected. Your application won't receive updates for protected * information unless it has the appropriate permissions declared in * its manifest file. Where permissions apply, they are noted in the * appropriate LISTEN_ flags. */ public class PhoneStateListener { /** * Stop listening for updates. */ public static final int LISTEN_NONE = 0; /** * Listen for changes to the network service state (cellular). * * @see #onServiceStateChanged * @see ServiceState */ public static final int LISTEN_SERVICE_STATE = 0x00000001; /** * Listen for changes to the network signal strength (cellular). * {@more} * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE * READ_PHONE_STATE} *
* * @see #onSignalStrengthChanged * * @deprecated by {@link #LISTEN_SIGNAL_STRENGTHS} */ @Deprecated public static final int LISTEN_SIGNAL_STRENGTH = 0x00000002; /** * Listen for changes to the message-waiting indicator. * {@more} * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE * READ_PHONE_STATE} *
* Example: The status bar uses this to determine when to display the * voicemail icon. * * @see #onMessageWaitingIndicatorChanged */ public static final int LISTEN_MESSAGE_WAITING_INDICATOR = 0x00000004; /** * Listen for changes to the call-forwarding indicator. * {@more} * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE * READ_PHONE_STATE} * @see #onCallForwardingIndicatorChanged */ public static final int LISTEN_CALL_FORWARDING_INDICATOR = 0x00000008; /** * Listen for changes to the device's cell location. Note that * this will result in frequent callbacks to the listener. * {@more} * Requires Permission: {@link android.Manifest.permission#ACCESS_COARSE_LOCATION * ACCESS_COARSE_LOCATION} *
* If you need regular location updates but want more control over * the update interval or location precision, you can set up a listener * through the {@link android.location.LocationManager location manager} * instead. * * @see #onCellLocationChanged */ public static final int LISTEN_CELL_LOCATION = 0x00000010; /** * Listen for changes to the device call state. * {@more} * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE * READ_PHONE_STATE} * @see #onCallStateChanged */ public static final int LISTEN_CALL_STATE = 0x00000020; /** * Listen for changes to the data connection state (cellular). * * @see #onDataConnectionStateChanged */ public static final int LISTEN_DATA_CONNECTION_STATE = 0x00000040; /** * Listen for changes to the direction of data traffic on the data * connection (cellular). * {@more} * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE * READ_PHONE_STATE} * Example: The status bar uses this to display the appropriate * data-traffic icon. * * @see #onDataActivity */ public static final int LISTEN_DATA_ACTIVITY = 0x00000080; /** * Listen for changes to the network signal strengths (cellular). *
* Example: The status bar uses this to control the signal-strength
* icon.
*
* @see #onSignalStrengthsChanged
*/
public static final int LISTEN_SIGNAL_STRENGTHS = 0x00000100;
/**
* Listen for changes to OTASP mode.
*
* @see #onOtaspChanged
* @hide
*/
public static final int LISTEN_OTASP_CHANGED = 0x00000200;
/**
* Listen for changes to observed cell info.
*
* @see #onCellInfoChanged
*/
public static final int LISTEN_CELL_INFO = 0x00000400;
public PhoneStateListener() {
}
/**
* Callback invoked when device service state changes.
*
* @see ServiceState#STATE_EMERGENCY_ONLY
* @see ServiceState#STATE_IN_SERVICE
* @see ServiceState#STATE_OUT_OF_SERVICE
* @see ServiceState#STATE_POWER_OFF
*/
public void onServiceStateChanged(ServiceState serviceState) {
// default implementation empty
}
/**
* Callback invoked when network signal strength changes.
*
* @see ServiceState#STATE_EMERGENCY_ONLY
* @see ServiceState#STATE_IN_SERVICE
* @see ServiceState#STATE_OUT_OF_SERVICE
* @see ServiceState#STATE_POWER_OFF
* @deprecated Use {@link #onSignalStrengthsChanged(SignalStrength)}
*/
@Deprecated
public void onSignalStrengthChanged(int asu) {
// default implementation empty
}
/**
* Callback invoked when the message-waiting indicator changes.
*/
public void onMessageWaitingIndicatorChanged(boolean mwi) {
// default implementation empty
}
/**
* Callback invoked when the call-forwarding indicator changes.
*/
public void onCallForwardingIndicatorChanged(boolean cfi) {
// default implementation empty
}
/**
* Callback invoked when device cell location changes.
*/
public void onCellLocationChanged(CellLocation location) {
// default implementation empty
}
/**
* Callback invoked when device call state changes.
*
* @see TelephonyManager#CALL_STATE_IDLE
* @see TelephonyManager#CALL_STATE_RINGING
* @see TelephonyManager#CALL_STATE_OFFHOOK
*/
public void onCallStateChanged(int state, String incomingNumber) {
// default implementation empty
}
/**
* Callback invoked when connection state changes.
*
* @see TelephonyManager#DATA_DISCONNECTED
* @see TelephonyManager#DATA_CONNECTING
* @see TelephonyManager#DATA_CONNECTED
* @see TelephonyManager#DATA_SUSPENDED
*/
public void onDataConnectionStateChanged(int state) {
// default implementation empty
}
/**
* same as above, but with the network type. Both called.
*/
public void onDataConnectionStateChanged(int state, int networkType) {
}
/**
* Callback invoked when data activity state changes.
*
* @see TelephonyManager#DATA_ACTIVITY_NONE
* @see TelephonyManager#DATA_ACTIVITY_IN
* @see TelephonyManager#DATA_ACTIVITY_OUT
* @see TelephonyManager#DATA_ACTIVITY_INOUT
* @see TelephonyManager#DATA_ACTIVITY_DORMANT
*/
public void onDataActivity(int direction) {
// default implementation empty
}
/**
* Callback invoked when network signal strengths changes.
*
* @see ServiceState#STATE_EMERGENCY_ONLY
* @see ServiceState#STATE_IN_SERVICE
* @see ServiceState#STATE_OUT_OF_SERVICE
* @see ServiceState#STATE_POWER_OFF
*/
public void onSignalStrengthsChanged(SignalStrength signalStrength) {
// default implementation empty
}
/**
* The Over The Air Service Provisioning (OTASP) has changed. Requires
* the READ_PHONE_STATE permission.
* @param otaspMode is integer OTASP_UNKNOWN=1
* means the value is currently unknown and the system should wait until
*
OTASP_NEEDED=2
or
OTASP_NOT_NEEDED=3
is received before
* making the decisision to perform OTASP or not.
*
* @hide
*/
public void onOtaspChanged(int otaspMode) {
// default implementation empty
}
/**
* Callback invoked when a observed cell info has changed,
* or new cells have been added or removed.
* @param cellInfo is the list of currently visible cells.
*/
public void onCellInfoChanged(List