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Commit 9f7fc271 authored by Steve Kondik's avatar Steve Kondik Committed by Gerrit Code Review
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keyguard: Allow disabling fingerprint wake-and-unlock 

 * When the fingerprint sensor is embedded in the power key,
   wake-and-unlock is total chaos. Add an option to disable it.
 * The default behavior is unchanged.

Change-Id: I50c0a857daba92c17470d8089aca94099c792956
parent d6236bda

packages/Keyguard/res/values/config.xml

+6 −0
Original line number Diff line number Diff line
@@ -28,4 +28,10 @@ 


    <!-- Threshold in micro amperes above which a charger is rated as "fast" -->

    <integer name="config_chargingFastThreshold">1500000</integer>



    <!-- Should we listen for fingerprints when the screen is off?  Devices

         with a rear-mounted sensor want this, but certain devices have

         the sensor embedded in the power key and listening all the time

         causes a poor experience. -->

    <bool name="config_fingerprintWakeAndUnlock">true</bool>

</resources>

packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java

+10 −3
Original line number Diff line number Diff line
@@ -1050,9 +1050,16 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener { 
    }



    private boolean shouldListenForFingerprint() {

        return (mKeyguardIsVisible || !mDeviceInteractive || mBouncer || mGoingToSleep)

                && !mSwitchingUser && !mFingerprintAlreadyAuthenticated

                && !isFingerprintDisabled(getCurrentUser());

        if (!mSwitchingUser && !mFingerprintAlreadyAuthenticated

                && !isFingerprintDisabled(getCurrentUser())) {

            if (mContext.getResources().getBoolean(

                    com.android.keyguard.R.bool.config_fingerprintWakeAndUnlock)) {

                return mKeyguardIsVisible || !mDeviceInteractive || mBouncer || mGoingToSleep;

            } else {

                return mDeviceInteractive && (mKeyguardIsVisible || mBouncer);

            }

        }

        return false;

    }



    private void startListeningForFingerprint() {