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Commit fb8d0e93 authored by Nathan Harold's avatar Nathan Harold Committed by nharold
Browse files

Add hidden APIs to get the cached SignalStrength from SST 

Add APIs in TelephonyManager to pull the SignalStrength that is
currently cached in ServiceStateTracker

Bug: 36133439
Test: tested with sl4a
Change-Id: I6adbecb8126a715da836fcde7f832fedb2f06bc3
parent 19cd7568

telephony/java/android/telephony/TelephonyManager.java

+21 −0
Original line number Diff line number Diff line
@@ -6428,5 +6428,26 @@ public class TelephonyManager { 
        }

        return false;

    }



    /**

     * Get the most recently available signal strength information.

     *

     * Get the most recent SignalStrength information reported by the modem. Due

     * to power saving this information may not always be current.

     * @return the most recent cached signal strength info from the modem

     * @hide

     */

    @Nullable

    public SignalStrength getSignalStrength() {

        try {

            ITelephony service = getITelephony();

            if (service != null) {

                return service.getSignalStrength(getSubId());

            }

        } catch (RemoteException e) {

            Log.e(TAG, "Error calling ITelephony#getSignalStrength", e);

        }

        return null;

    }

}

telephony/java/com/android/internal/telephony/ITelephony.aidl

+12 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ import android.telephony.ModemActivityInfo; 
import android.telephony.NeighboringCellInfo;

import android.telephony.RadioAccessFamily;

import android.telephony.ServiceState;

import android.telephony.SignalStrength;

import android.telephony.TelephonyHistogram;

import android.telephony.VisualVoicemailSmsFilterSettings;

import com.android.ims.internal.IImsServiceController;
@@ -1293,4 +1294,15 @@ interface ITelephony { 
     * @hide

     */

    boolean getEmergencyCallbackMode(int subId);



    /**

     * Get the most recently available signal strength information.

     *

     * Get the most recent SignalStrength information reported by the modem. Due

     * to power saving this information may not always be current.

     * @param subId Subscription index

     * @return the most recent cached signal strength info from the modem

     * @hide

     */

    SignalStrength getSignalStrength(int subId);

}