5adada6083
This change places an upper limit on the number of fingerprint templates that can be enrolled per account. This is done primarily for performance reasons, but may also be imposed by hardware and Trusted Execution Environment (TEE) reasons. Fixes bug 20731847 Change-Id: I3975290fa8eb2106467493aab6102015697e012c On branch max_fingerprint
70 lines
2.3 KiB
Java
70 lines
2.3 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.settings.fingerprint;
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import android.content.Context;
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import android.hardware.fingerprint.Fingerprint;
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import android.hardware.fingerprint.FingerprintManager;
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import android.os.Bundle;
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import android.preference.Preference;
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import android.view.View;
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import android.widget.Button;
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import com.android.settings.R;
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import com.android.settings.fingerprint.FingerprintSettings.FingerprintPreference;
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import java.util.List;
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/**
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* Activity which concludes fingerprint enrollment.
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*/
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public class FingerprintEnrollFinish extends FingerprintEnrollBase {
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.fingerprint_enroll_finish);
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setHeaderText(R.string.security_settings_fingerprint_enroll_finish_title);
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Button addButton = (Button) findViewById(R.id.add_another_button);
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FingerprintManager fpm = (FingerprintManager) getSystemService(Context.FINGERPRINT_SERVICE);
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int enrolled = fpm.getEnrolledFingerprints().size();
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int max = getResources().getInteger(
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com.android.internal.R.integer.config_fingerprintMaxTemplatesPerUser);
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if (enrolled >= max) {
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/* Don't show "Add" button if too many fingerprints already added */
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addButton.setVisibility(View.INVISIBLE);
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} else {
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addButton.setOnClickListener(this);
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}
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}
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@Override
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protected void onNextButtonClick() {
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finish();
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}
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@Override
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public void onClick(View v) {
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if (v.getId() == R.id.add_another_button) {
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finish();
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startActivity(getEnrollingIntent());
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}
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super.onClick(v);
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}
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}
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