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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.settings.fingerprint;
import android.content.Intent;
import android.hardware.fingerprint.FingerprintManager;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import com.android.internal.logging.MetricsLogger;
import com.android.settings.ChooseLockSettingsHelper;
import com.android.settings.R;
/**
* Activity explaining the fingerprint sensor location for fingerprint enrollment.
*/
public class FingerprintEnrollFindSensor extends FingerprintEnrollBase {
private static final int CONFIRM_REQUEST = 1;
private static final int ENROLLING = 2;
private static final int SENSOR_LOCATION_BACK = 0;
private static final int SENSOR_LOCATION_FRONT = 1;
private static final int SENSOR_LOCATION_LEFT = 2;
private static final int SENSOR_LOCATION_RIGHT = 3;
public static final String EXTRA_KEY_LAUNCHED_CONFIRM = "launched_confirm_lock";
private FingerprintLocationAnimationView mAnimation;
private boolean mLaunchedConfirmLock;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.fingerprint_enroll_find_sensor);
setHeaderText(R.string.security_settings_fingerprint_enroll_find_sensor_title);
mLaunchedConfirmLock = savedInstanceState != null && savedInstanceState.getBoolean(
EXTRA_KEY_LAUNCHED_CONFIRM);
if (mToken == null && !mLaunchedConfirmLock) {
launchConfirmLock();
}
mAnimation = (FingerprintLocationAnimationView) findViewById(
R.id.fingerprint_sensor_location_animation);
int sensorLocation = getResources().getInteger(R.integer.config_fingerprintSensorLocation);
if (sensorLocation < SENSOR_LOCATION_BACK || sensorLocation > SENSOR_LOCATION_RIGHT) {
sensorLocation = SENSOR_LOCATION_BACK;
}
final String location = getResources().getStringArray(
R.array.security_settings_fingerprint_sensor_locations)[sensorLocation];
TextView message = (TextView) findViewById(R.id.find_sensor_message);
message.setText(getString(
R.string.security_settings_fingerprint_enroll_find_sensor_message_cm,
location));
if (sensorLocation != SENSOR_LOCATION_BACK) {
findViewById(R.id.fingerprint_sensor_location_front_overlay)
.setVisibility(View.VISIBLE);
}
}
@Override
protected void onStart() {
super.onStart();
mAnimation.startAnimation();
}
@Override
protected void onStop() {
super.onStop();
mAnimation.stopAnimation();
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean(EXTRA_KEY_LAUNCHED_CONFIRM, mLaunchedConfirmLock);
}
@Override
protected void onNextButtonClick() {
startActivityForResult(getEnrollingIntent(), ENROLLING);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == CONFIRM_REQUEST) {
if (resultCode == RESULT_OK) {
mToken = data.getByteArrayExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
overridePendingTransition(R.anim.suw_slide_next_in, R.anim.suw_slide_next_out);
} else {
finish();
}
} else if (requestCode == ENROLLING) {
if (resultCode == RESULT_FINISHED) {
setResult(RESULT_FINISHED);
finish();
} else if (resultCode == RESULT_SKIP) {
setResult(RESULT_SKIP);
finish();
} else if (resultCode == RESULT_TIMEOUT) {
setResult(RESULT_TIMEOUT);
finish();
} else {
FingerprintManager fpm = getSystemService(FingerprintManager.class);
int enrolled = fpm.getEnrolledFingerprints().size();
int max = getResources().getInteger(
com.android.internal.R.integer.config_fingerprintMaxTemplatesPerUser);
if (enrolled >= max) {
finish();
}
}
} else {
super.onActivityResult(requestCode, resultCode, data);
}
}
private void launchConfirmLock() {
long challenge = getSystemService(FingerprintManager.class).preEnroll();
ChooseLockSettingsHelper helper = new ChooseLockSettingsHelper(this);
if (!helper.launchConfirmationActivity(CONFIRM_REQUEST,
getString(R.string.security_settings_fingerprint_preference_title),
null, null, challenge)) {
// This shouldn't happen, as we should only end up at this step if a lock thingy is
// already set.
finish();
} else {
mLaunchedConfirmLock = true;
}
}
@Override
protected int getMetricsCategory() {
return MetricsLogger.FINGERPRINT_FIND_SENSOR;
}
}
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