1 /* 2 * Copyright (C) 2008 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 android.telephony; 18 19 import android.os.Bundle; 20 import android.os.Handler; 21 import android.os.Message; 22 import android.telephony.ServiceState; 23 import android.telephony.SignalStrength; 24 import android.telephony.CellLocation; 25 import android.util.Log; 26 27 import com.android.internal.telephony.IPhoneStateListener; 28 import com.android.internal.telephony.Phone; 29 30 /** 31 * A listener class for monitoring changes in specific telephony states 32 * on the device, including service state, signal strength, message 33 * waiting indicator (voicemail), and others. 34 * <p> 35 * Override the methods for the state that you wish to receive updates for, and 36 * pass your PhoneStateListener object, along with bitwise-or of the LISTEN_ 37 * flags to {@link TelephonyManager#listen TelephonyManager.listen()}. 38 * <p> 39 * Note that access to some telephony information is 40 * permission-protected. Your application won't receive updates for protected 41 * information unless it has the appropriate permissions declared in 42 * its manifest file. Where permissions apply, they are noted in the 43 * appropriate LISTEN_ flags. 44 */ 45 public class PhoneStateListener { 46 47 /** 48 * Stop listening for updates. 49 */ 50 public static final int LISTEN_NONE = 0; 51 52 /** 53 * Listen for changes to the network service state (cellular). 54 * 55 * @see #onServiceStateChanged 56 * @see ServiceState 57 */ 58 public static final int LISTEN_SERVICE_STATE = 0x00000001; 59 60 /** 61 * Listen for changes to the network signal strength (cellular). 62 * {@more} 63 * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE 64 * READ_PHONE_STATE} 65 * <p> 66 * 67 * @see #onSignalStrengthChanged 68 * 69 * @deprecated by {@link #LISTEN_SIGNAL_STRENGTHS} 70 */ 71 @Deprecated 72 public static final int LISTEN_SIGNAL_STRENGTH = 0x00000002; 73 74 /** 75 * Listen for changes to the message-waiting indicator. 76 * {@more} 77 * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE 78 * READ_PHONE_STATE} 79 * <p> 80 * Example: The status bar uses this to determine when to display the 81 * voicemail icon. 82 * 83 * @see #onMessageWaitingIndicatorChanged 84 */ 85 public static final int LISTEN_MESSAGE_WAITING_INDICATOR = 0x00000004; 86 87 /** 88 * Listen for changes to the call-forwarding indicator. 89 * {@more} 90 * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE 91 * READ_PHONE_STATE} 92 * @see #onCallForwardingIndicatorChanged 93 */ 94 public static final int LISTEN_CALL_FORWARDING_INDICATOR = 0x00000008; 95 96 /** 97 * Listen for changes to the device's cell location. Note that 98 * this will result in frequent callbacks to the listener. 99 * {@more} 100 * Requires Permission: {@link android.Manifest.permission#ACCESS_COARSE_LOCATION 101 * ACCESS_COARSE_LOCATION} 102 * <p> 103 * If you need regular location updates but want more control over 104 * the update interval or location precision, you can set up a listener 105 * through the {@link android.location.LocationManager location manager} 106 * instead. 107 * 108 * @see #onCellLocationChanged 109 */ 110 public static final int LISTEN_CELL_LOCATION = 0x00000010; 111 112 /** 113 * Listen for changes to the device call state. 114 * {@more} 115 * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE 116 * READ_PHONE_STATE} 117 * @see #onCallStateChanged 118 */ 119 public static final int LISTEN_CALL_STATE = 0x00000020; 120 121 /** 122 * Listen for changes to the data connection state (cellular). 123 * 124 * @see #onDataConnectionStateChanged 125 */ 126 public static final int LISTEN_DATA_CONNECTION_STATE = 0x00000040; 127 128 /** 129 * Listen for changes to the direction of data traffic on the data 130 * connection (cellular). 131 * {@more} 132 * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE 133 * READ_PHONE_STATE} 134 * Example: The status bar uses this to display the appropriate 135 * data-traffic icon. 136 * 137 * @see #onDataActivity 138 */ 139 public static final int LISTEN_DATA_ACTIVITY = 0x00000080; 140 141 /** 142 * Listen for changes to the network signal strengths (cellular). 143 * <p> 144 * Example: The status bar uses this to control the signal-strength 145 * icon. 146 * 147 * @see #onSignalStrengthsChanged 148 */ 149 public static final int LISTEN_SIGNAL_STRENGTHS = 0x00000100; 150 151 /** 152 * Listen for changes to OTASP mode. 153 * 154 * @see #onOtaspChanged 155 * @hide 156 */ 157 public static final int LISTEN_OTASP_CHANGED = 0x00000200; 158 159 public PhoneStateListener() { 160 } 161 162 /** 163 * Callback invoked when device service state changes. 164 * 165 * @see ServiceState#STATE_EMERGENCY_ONLY 166 * @see ServiceState#STATE_IN_SERVICE 167 * @see ServiceState#STATE_OUT_OF_SERVICE 168 * @see ServiceState#STATE_POWER_OFF 169 */ 170 public void onServiceStateChanged(ServiceState serviceState) { 171 // default implementation empty 172 } 173 174 /** 175 * Callback invoked when network signal strength changes. 176 * 177 * @see ServiceState#STATE_EMERGENCY_ONLY 178 * @see ServiceState#STATE_IN_SERVICE 179 * @see ServiceState#STATE_OUT_OF_SERVICE 180 * @see ServiceState#STATE_POWER_OFF 181 * @deprecated Use {@link #onSignalStrengthsChanged(SignalStrength)} 182 */ 183 @Deprecated 184 public void onSignalStrengthChanged(int asu) { 185 // default implementation empty 186 } 187 188 /** 189 * Callback invoked when the message-waiting indicator changes. 190 */ 191 public void onMessageWaitingIndicatorChanged(boolean mwi) { 192 // default implementation empty 193 } 194 195 /** 196 * Callback invoked when the call-forwarding indicator changes. 197 */ 198 public void onCallForwardingIndicatorChanged(boolean cfi) { 199 // default implementation empty 200 } 201 202 /** 203 * Callback invoked when device cell location changes. 204 */ 205 public void onCellLocationChanged(CellLocation location) { 206 // default implementation empty 207 } 208 209 /** 210 * Callback invoked when device call state changes. 211 * 212 * @see TelephonyManager#CALL_STATE_IDLE 213 * @see TelephonyManager#CALL_STATE_RINGING 214 * @see TelephonyManager#CALL_STATE_OFFHOOK 215 */ 216 public void onCallStateChanged(int state, String incomingNumber) { 217 // default implementation empty 218 } 219 220 /** 221 * Callback invoked when connection state changes. 222 * 223 * @see TelephonyManager#DATA_DISCONNECTED 224 * @see TelephonyManager#DATA_CONNECTING 225 * @see TelephonyManager#DATA_CONNECTED 226 * @see TelephonyManager#DATA_SUSPENDED 227 */ 228 public void onDataConnectionStateChanged(int state) { 229 // default implementation empty 230 } 231 232 /** 233 * same as above, but with the network type. Both called. 234 */ 235 public void onDataConnectionStateChanged(int state, int networkType) { 236 } 237 238 /** 239 * Callback invoked when data activity state changes. 240 * 241 * @see TelephonyManager#DATA_ACTIVITY_NONE 242 * @see TelephonyManager#DATA_ACTIVITY_IN 243 * @see TelephonyManager#DATA_ACTIVITY_OUT 244 * @see TelephonyManager#DATA_ACTIVITY_INOUT 245 * @see TelephonyManager#DATA_ACTIVITY_DORMANT 246 */ 247 public void onDataActivity(int direction) { 248 // default implementation empty 249 } 250 251 /** 252 * Callback invoked when network signal strengths changes. 253 * 254 * @see ServiceState#STATE_EMERGENCY_ONLY 255 * @see ServiceState#STATE_IN_SERVICE 256 * @see ServiceState#STATE_OUT_OF_SERVICE 257 * @see ServiceState#STATE_POWER_OFF 258 */ 259 public void onSignalStrengthsChanged(SignalStrength signalStrength) { 260 // default implementation empty 261 } 262 263 264 /** 265 * The Over The Air Service Provisioning (OTASP) has changed. Requires 266 * the READ_PHONE_STATE permission. 267 * @param otaspMode is integer <code>OTASP_UNKNOWN=1<code> 268 * means the value is currently unknown and the system should wait until 269 * <code>OTASP_NEEDED=2<code> or <code>OTASP_NOT_NEEDED=3<code> is received before 270 * making the decisision to perform OTASP or not. 271 * 272 * @hide 273 */ 274 public void onOtaspChanged(int otaspMode) { 275 // default implementation empty 276 } 277 278 /** 279 * The callback methods need to be called on the handler thread where 280 * this object was created. If the binder did that for us it'd be nice. 281 */ 282 IPhoneStateListener callback = new IPhoneStateListener.Stub() { 283 public void onServiceStateChanged(ServiceState serviceState) { 284 Message.obtain(mHandler, LISTEN_SERVICE_STATE, 0, 0, serviceState).sendToTarget(); 285 } 286 287 public void onSignalStrengthChanged(int asu) { 288 Message.obtain(mHandler, LISTEN_SIGNAL_STRENGTH, asu, 0, null).sendToTarget(); 289 } 290 291 public void onMessageWaitingIndicatorChanged(boolean mwi) { 292 Message.obtain(mHandler, LISTEN_MESSAGE_WAITING_INDICATOR, mwi ? 1 : 0, 0, null) 293 .sendToTarget(); 294 } 295 296 public void onCallForwardingIndicatorChanged(boolean cfi) { 297 Message.obtain(mHandler, LISTEN_CALL_FORWARDING_INDICATOR, cfi ? 1 : 0, 0, null) 298 .sendToTarget(); 299 } 300 301 public void onCellLocationChanged(Bundle bundle) { 302 CellLocation location = CellLocation.newFromBundle(bundle); 303 Message.obtain(mHandler, LISTEN_CELL_LOCATION, 0, 0, location).sendToTarget(); 304 } 305 306 public void onCallStateChanged(int state, String incomingNumber) { 307 Message.obtain(mHandler, LISTEN_CALL_STATE, state, 0, incomingNumber).sendToTarget(); 308 } 309 310 public void onDataConnectionStateChanged(int state, int networkType) { 311 Message.obtain(mHandler, LISTEN_DATA_CONNECTION_STATE, state, networkType). 312 sendToTarget(); 313 } 314 315 public void onDataActivity(int direction) { 316 Message.obtain(mHandler, LISTEN_DATA_ACTIVITY, direction, 0, null).sendToTarget(); 317 } 318 319 public void onSignalStrengthsChanged(SignalStrength signalStrength) { 320 Message.obtain(mHandler, LISTEN_SIGNAL_STRENGTHS, 0, 0, signalStrength).sendToTarget(); 321 } 322 323 public void onOtaspChanged(int otaspMode) { 324 Message.obtain(mHandler, LISTEN_OTASP_CHANGED, otaspMode, 0).sendToTarget(); 325 } 326 }; 327 328 Handler mHandler = new Handler() { 329 public void handleMessage(Message msg) { 330 //Log.d("TelephonyRegistry", "what=0x" + Integer.toHexString(msg.what) + " msg=" + msg); 331 switch (msg.what) { 332 case LISTEN_SERVICE_STATE: 333 PhoneStateListener.this.onServiceStateChanged((ServiceState)msg.obj); 334 break; 335 case LISTEN_SIGNAL_STRENGTH: 336 PhoneStateListener.this.onSignalStrengthChanged(msg.arg1); 337 break; 338 case LISTEN_MESSAGE_WAITING_INDICATOR: 339 PhoneStateListener.this.onMessageWaitingIndicatorChanged(msg.arg1 != 0); 340 break; 341 case LISTEN_CALL_FORWARDING_INDICATOR: 342 PhoneStateListener.this.onCallForwardingIndicatorChanged(msg.arg1 != 0); 343 break; 344 case LISTEN_CELL_LOCATION: 345 PhoneStateListener.this.onCellLocationChanged((CellLocation)msg.obj); 346 break; 347 case LISTEN_CALL_STATE: 348 PhoneStateListener.this.onCallStateChanged(msg.arg1, (String)msg.obj); 349 break; 350 case LISTEN_DATA_CONNECTION_STATE: 351 PhoneStateListener.this.onDataConnectionStateChanged(msg.arg1, msg.arg2); 352 PhoneStateListener.this.onDataConnectionStateChanged(msg.arg1); 353 break; 354 case LISTEN_DATA_ACTIVITY: 355 PhoneStateListener.this.onDataActivity(msg.arg1); 356 break; 357 case LISTEN_SIGNAL_STRENGTHS: 358 PhoneStateListener.this.onSignalStrengthsChanged((SignalStrength)msg.obj); 359 break; 360 case LISTEN_OTASP_CHANGED: 361 PhoneStateListener.this.onOtaspChanged(msg.arg1); 362 break; 363 } 364 } 365 }; 366 } 367
