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/*
* Copyright (C) 2008 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.phone;
import android.app.AlertDialog;
import android.content.Context;
import android.preference.EditTextPreference;
import android.text.InputType;
import android.text.method.DigitsKeyListener;
import android.text.method.PasswordTransformationMethod;
import android.util.AttributeSet;
import android.view.View;
import android.widget.EditText;
import java.util.Map;
/**
* Class similar to the com.android.settings.EditPinPreference
* class, with a couple of modifications, including a different layout
* for the dialog.
*/
public class EditPinPreference extends EditTextPreference {
private boolean shouldHideButtons;
interface OnPinEnteredListener {
void onPinEntered(EditPinPreference preference, boolean positiveResult);
}
private OnPinEnteredListener mPinListener;
public void setOnPinEnteredListener(OnPinEnteredListener listener) {
mPinListener = listener;
}
public EditPinPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
public EditPinPreference(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
/**
* Overridden to setup the correct dialog layout, as well as setting up
* other properties for the pin / puk entry field.
*/
@Override
protected View onCreateDialogView() {
// set the dialog layout
setDialogLayoutResource(R.layout.pref_dialog_editpin);
View dialog = super.onCreateDialogView();
getEditText().setInputType(InputType.TYPE_CLASS_NUMBER |
InputType.TYPE_NUMBER_VARIATION_PASSWORD);
return dialog;
}
@Override
protected void onBindDialogView(View view) {
super.onBindDialogView(view);
// If the layout does not contain an edittext, hide the buttons.
shouldHideButtons = (view.findViewById(android.R.id.edit) == null);
}
@Override
protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
super.onPrepareDialogBuilder(builder);
// hide the buttons if we need to.
if (shouldHideButtons) {
builder.setPositiveButton(null, this);
builder.setNegativeButton(null, this);
}
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (mPinListener != null) {
mPinListener.onPinEntered(this, positiveResult);
}
}
/**
* Externally visible method to bring up the dialog to
* for multi-step / multi-dialog requests (like changing
* the SIM pin).
*/
public void showPinDialog() {
showDialog(null);
}
}
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