Hello,
Could someone please explain to me why the public
getNeighboringCellInfo() method in TelephonyManager.java causes my
application to crash (see error log below)?
04-29 23:46:05.754: WARN/dalvikvm(5854): VFY: unable to resolve
interface method 23808: Lcom/android/internal/telephony/
ITelephony;.getNeighboringCellInfo ()Ljava/util/List;
04-29 23:46:05.754: WARN/dalvikvm(5854): VFY: rejecting opcode 0x72
at 0x0004
04-29 23:46:05.754: WARN/dalvikvm(5854): VFY: rejected Lcom/android/
locationtest/TelephonyManager;.getNeighboringCellInfo ()Ljava/util/
List;
04-29 23:46:05.754: WARN/dalvikvm(5854): Verifier rejected class Lcom/
android/locationtest/TelephonyManager;
04-29 23:46:05.774: WARN/dalvikvm(5854): threadid=3: thread exiting
with uncaught exception (group=0x40013e28)
04-29 23:46:05.774: ERROR/AndroidRuntime(5854): Uncaught handler:
thread main exiting due to uncaught exception
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): java.lang.VerifyError:
com.android.locationtest.TelephonyManager
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
com.android.locationtest.LocationTest.onCreate(LocationTest.java:172)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
1122)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2103)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
2156)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
android.app.ActivityThread.access$1800(ActivityThread.java:112)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:1580)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
android.os.Handler.dispatchMessage(Handler.java:88)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
android.os.Looper.loop(Looper.java:123)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
android.app.ActivityThread.main(ActivityThread.java:3742)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
java.lang.reflect.Method.invokeNative(Native Method)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
java.lang.reflect.Method.invoke(Method.java:515)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
(ZygoteInit.java:739)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:497)
04-29 23:46:06.074: ERROR/AndroidRuntime(5854): at
dalvik.system.NativeStart.main(Native Method)
Trying to obtain neighboring cell information in any number of ways
(including via CellState, for example) has the same result.
In addition, I found at least one case, in RIL.java, where the code
for retrieving neighboring cell information is commented out:
public void getNeighboringCids(Message response) {
/* TODO: Remove this hack when backward compatibility issue is
fixed.
* RIL_REQUEST_GET_NEIGHBORING_CELL_IDS currently returns
REQUEST_NOT_SUPPORTED
*/
AsyncResult.forMessage(response).exception =
new CommandException
(CommandException.Error.REQUEST_NOT_SUPPORTED);
response.sendToTarget();
response = null;
/* RILRequest rr = RILRequest.obtain(
RILConstants.RIL_REQUEST_GET_NEIGHBORING_CELL_IDS,
response);
if (RILJ_LOGD) riljLog(rr.serialString() + "> " +
requestToString(rr.mRequest));
send(rr);
*/
}
I would appreciate it if someone could tell me if there is a known
problem with getting neighboring cell information or if I made a
mistake (it would help to know how to correct it), or both.
Thanks.
Alex Donnini
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