Try replacing
m_tm.listen(m_psl,
PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
m_tm.listen(m_psl,
PhoneStateListener.LISTEN_CELL_LOCATION);
with
m_tm.listen(m_psl,
PhoneStateListener.LISTEN_SIGNAL_STRENGTHS |
PhoneStateListener.LISTEN_CELL_LOCATION);
On Jan 18, 10:15 pm, Filip Havlicek <[email protected]> wrote:
> Hello everyone,
>
> I'm trying to get strength of current signal in GSM networks, tried to code
> it by myself, then looked at some tutorial, but still can't get it to work.
> Here is what I have right now.
>
> public class TestActivity extends Activity{
> private MyPhoneStateListener m_psl;
> private TelephonyManager m_tm;
>
> @Override
> protected void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> m_tm = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
> m_psl = new MyPhoneStateListener();
> m_tm.listen(m_psl, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
> m_tm.listen(m_psl, PhoneStateListener.LISTEN_CELL_LOCATION);
> }
>
> @Override
> protected void onDestroy() {
> super.onDestroy();
> m_tm.listen(m_psl, PhoneStateListener.LISTEN_NONE);
> }
>
> @Override
> protected void onPause() {
> super.onPause();
> m_tm.listen(m_psl, PhoneStateListener.LISTEN_NONE);
> }
>
> @Override
> protected void onResume() {
> super.onResume();
> m_tm.listen(m_psl, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
> m_tm.listen(m_psl, PhoneStateListener.LISTEN_CELL_LOCATION);
> }
>
> private class MyPhoneStateListener extends PhoneStateListener{
>
> @Override
> public void onSignalStrengthsChanged(SignalStrength
> signalStrength){
> super.onSignalStrengthsChanged(signalStrength);
> Toast.makeText(getApplicationContext(), "Signal strength is
> now "+signalStrength.getGsmSignalStrength(), Toast.LENGTH_SHORT).show();
> }
>
> @Override
> public void onCellLocationChanged(CellLocation location) {
> super.onCellLocationChanged(location);
> Toast.makeText(getApplicationContext(), "Current cell
> location changed", Toast.LENGTH_SHORT).show();
> }
> };
>
> }
>
> Tried on on Nexus One 2.1 and 2.2 and I still get the signal strength toast
> only when I start/resume the application. When the application is running, I
> receive onCellLocationChanged toasts while I move around, which is fine and
> how it's suppose to be, but the signal strength toast is not showing even
> when I see the signal strength changing in the task bar. I know this is a
> common goal so I suppose there must be some mistake in my code or some way
> to achieve this.
>
> Thanks for all your replies.
> Best regards,
> Filip Havlicek
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