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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;
import android.annotation.Nullable;
import android.app.Fragment;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
/**
* Base fragment to be shared for PIN/Pattern/Password confirmation fragments.
*/
public abstract class ConfirmDeviceCredentialBaseFragment extends InstrumentedFragment
implements FingerprintUiHelper.Callback {
public static final String PACKAGE = "com.android.settings";
public static final String TITLE_TEXT = PACKAGE + ".ConfirmCredentials.title";
public static final String HEADER_TEXT = PACKAGE + ".ConfirmCredentials.header";
public static final String DETAILS_TEXT = PACKAGE + ".ConfirmCredentials.details";
public static final String ALLOW_FP_AUTHENTICATION =
PACKAGE + ".ConfirmCredentials.allowFpAuthentication";
public static final String DARK_THEME = PACKAGE + ".ConfirmCredentials.darkTheme";
public static final String SHOW_CANCEL_BUTTON =
PACKAGE + ".ConfirmCredentials.showCancelButton";
public static final String SHOW_WHEN_LOCKED =
PACKAGE + ".ConfirmCredentials.showWhenLocked";
private FingerprintUiHelper mFingerprintHelper;
private boolean mAllowFpAuthentication;
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mAllowFpAuthentication = getActivity().getIntent().getBooleanExtra(
ALLOW_FP_AUTHENTICATION, false);
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
mFingerprintHelper = new FingerprintUiHelper(
(ImageView) view.findViewById(R.id.fingerprintIcon),
(TextView) view.findViewById(R.id.errorText), this);
boolean showCancelButton = getActivity().getIntent().getBooleanExtra(
SHOW_CANCEL_BUTTON, false);
Button cancelButton = (Button) view.findViewById(R.id.cancelButton);
cancelButton.setVisibility(showCancelButton ? View.VISIBLE : View.GONE);
cancelButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
getActivity().finish();
}
});
}
@Override
public void onResume() {
super.onResume();
if (mAllowFpAuthentication) {
mFingerprintHelper.startListening();
}
}
@Override
public void onPause() {
super.onPause();
if (mAllowFpAuthentication) {
mFingerprintHelper.stopListening();
}
}
@Override
public void onAuthenticated() {
// Check whether we are still active.
if (getActivity() != null && getActivity().isResumed()) {
authenticationSucceeded(null /* password */);
}
}
protected abstract void authenticationSucceeded(@Nullable String password);
@Override
public void onFingerprintIconVisibilityChanged(boolean visible) {
}
}
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