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Commit b527bb7c authored by Matt Garnes's avatar Matt Garnes Committed by Andy Mast
Browse files

Fingerprint: Vibrate device. 

Vibrate the device, if vibration is supported,
for 100ms upon fingerprint acquisition or enrollment.

Change-Id: I4d87c816c133542f4a26b332c3190bd4a8adecf0
parent c59849a4

services/core/java/com/android/server/fingerprint/FingerprintService.java

+27 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ import android.os.IBinder; 
import android.os.Process;

import android.os.RemoteException;

import android.os.UserHandle;

import android.os.Vibrator;

import android.service.fingerprint.FingerprintManager;

import android.service.fingerprint.FingerprintUtils;

import android.service.fingerprint.IFingerprintService;
@@ -81,6 +82,19 @@ public class FingerprintService extends SystemService { 
    private static final int STATE_AUTHENTICATING = 1;

    private static final int STATE_ENROLLING = 2;

    private static final long MS_PER_SEC = 1000;



    /**

     * The time, in milliseconds, to run the device vibrator after a fingerprint

     * image has been aquired or enrolled by the fingerprint sensor.

     */

    private static final long FINGERPRINT_EVENT_VIBRATE_DURATION = 100;



    /**

     * A local instance of {@link android.os.Vibrator} as retrieved using

     * {@link android.content.Context#VIBRATOR_SERVICE}

     */

    private Vibrator mVibrator;



    private long mHal;



    private static final class ClientData {
@@ -118,6 +132,11 @@ public class FingerprintService extends SystemService { 
    public FingerprintService(Context context) {

        super(context);

        mContext = context;

        mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);

        // If no physical vibrator is present, set vibrator to null.

        if (mVibrator != null && !mVibrator.hasVibrator()) {

            mVibrator = null;

        }

        nativeInit(this);

    }
@@ -161,6 +180,7 @@ public class FingerprintService extends SystemService { 
                    final int acquireInfo = arg1;

                    if (mState == STATE_AUTHENTICATING) {

                        try {

                            vibrateDeviceIfSupported();

                            if (clientData != null && clientData.receiver != null) {

                                clientData.receiver.onAcquired(acquireInfo);

                            }
@@ -203,6 +223,7 @@ public class FingerprintService extends SystemService { 
                            newState = STATE_IDLE;

                        }

                        try {

                            vibrateDeviceIfSupported();

                            if (clientData != null && clientData.receiver != null) {

                                clientData.receiver.onEnrollResult(fingerId, remaining);

                            }
@@ -236,6 +257,12 @@ public class FingerprintService extends SystemService { 
        mState = newState;

    }



    private void vibrateDeviceIfSupported() {

        if (mVibrator != null) {

            mVibrator.vibrate(FINGERPRINT_EVENT_VIBRATE_DURATION);

        }

    }



    void startEnroll(IBinder token, long timeout, int userId) {

        ClientData clientData = mClients.get(token);

        if (clientData != null) {