199 lines
8.1 KiB
Java
199 lines
8.1 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;
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import android.app.Activity;
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import android.app.Fragment;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.res.Resources;
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import android.graphics.drawable.Drawable;
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import android.os.Bundle;
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import android.os.Environment;
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import android.os.SystemProperties;
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import android.os.UserManager;
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import android.preference.Preference;
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import android.preference.PreferenceActivity;
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import android.telephony.SubscriptionInfo;
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import android.telephony.SubscriptionManager;
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import android.text.TextUtils;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ArrayAdapter;
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import android.widget.Button;
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import android.widget.CheckBox;
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import android.widget.LinearLayout;
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import android.widget.Spinner;
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import android.widget.TextView;
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import com.android.internal.telephony.PhoneConstants;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Confirm and execute a reset of the device's network settings to a clean "just out of the box"
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* state. Multiple confirmations are required: first, a general "are you sure you want to do this?"
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* prompt, followed by a keyguard pattern trace if the user has defined one, followed by a final
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* strongly-worded "THIS WILL RESET EVERYTHING" prompt. If at any time the phone is allowed to go
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* to sleep, is locked, et cetera, then the confirmation sequence is abandoned.
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*
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* This is the initial screen.
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*/
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public class ResetNetwork extends Fragment {
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private static final String TAG = "ResetNetwork";
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// Arbitrary to avoid conficts
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private static final int KEYGUARD_REQUEST = 55;
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private List<SubscriptionInfo> mSubscriptions;
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private View mContentView;
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private Spinner mSubscriptionSpinner;
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private Button mInitiateButton;
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/**
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* Keyguard validation is run using the standard {@link ConfirmLockPattern}
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* component as a subactivity
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* @param request the request code to be returned once confirmation finishes
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* @return true if confirmation launched
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*/
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private boolean runKeyguardConfirmation(int request) {
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Resources res = getActivity().getResources();
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return new ChooseLockSettingsHelper(getActivity(), this).launchConfirmationActivity(request,
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null, res.getText(R.string.reset_network_gesture_explanation));
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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if (requestCode != KEYGUARD_REQUEST) {
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return;
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}
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// If the user entered a valid keyguard trace, present the final
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// confirmation prompt; otherwise, go back to the initial state.
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if (resultCode == Activity.RESULT_OK) {
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showFinalConfirmation();
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} else {
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establishInitialState();
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}
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}
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private void showFinalConfirmation() {
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Bundle args = new Bundle();
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if (mSubscriptions.size() > 0) {
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int selectedIndex = mSubscriptionSpinner.getSelectedItemPosition();
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SubscriptionInfo subscription = mSubscriptions.get(selectedIndex);
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args.putInt(PhoneConstants.SUBSCRIPTION_KEY, subscription.getSubscriptionId());
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}
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((SettingsActivity) getActivity()).startPreferencePanel(ResetNetworkConfirm.class.getName(),
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args, R.string.reset_network_confirm_title, null, null, 0);
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}
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/**
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* If the user clicks to begin the reset sequence, we next require a
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* keyguard confirmation if the user has currently enabled one. If there
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* is no keyguard available, we simply go to the final confirmation prompt.
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*/
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private final Button.OnClickListener mInitiateListener = new Button.OnClickListener() {
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@Override
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public void onClick(View v) {
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if (!runKeyguardConfirmation(KEYGUARD_REQUEST)) {
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showFinalConfirmation();
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}
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}
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};
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/**
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* In its initial state, the activity presents a button for the user to
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* click in order to initiate a confirmation sequence. This method is
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* called from various other points in the code to reset the activity to
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* this base state.
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*
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* <p>Reinflating views from resources is expensive and prevents us from
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* caching widget pointers, so we use a single-inflate pattern: we lazy-
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* inflate each view, caching all of the widget pointers we'll need at the
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* time, then simply reuse the inflated views directly whenever we need
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* to change contents.
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*/
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private void establishInitialState() {
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mSubscriptionSpinner = (Spinner) mContentView.findViewById(R.id.reset_network_subscription);
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mSubscriptions = SubscriptionManager.from(getActivity()).getActiveSubscriptionInfoList();
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if (mSubscriptions.size() > 0) {
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// Get the default subscription in the order of data, voice, sms, first up.
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int defaultSubscription = SubscriptionManager.getDefaultDataSubId();
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if (!SubscriptionManager.isUsableSubIdValue(defaultSubscription)) {
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defaultSubscription = SubscriptionManager.getDefaultVoiceSubId();
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}
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if (!SubscriptionManager.isUsableSubIdValue(defaultSubscription)) {
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defaultSubscription = SubscriptionManager.getDefaultSmsSubId();
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}
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if (!SubscriptionManager.isUsableSubIdValue(defaultSubscription)) {
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defaultSubscription = SubscriptionManager.getDefaultSubId();
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}
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int selectedIndex = 0;
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int size = mSubscriptions.size();
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List<String> subscriptionNames = new ArrayList<>();
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for (SubscriptionInfo record : mSubscriptions) {
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if (record.getSubscriptionId() == defaultSubscription) {
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// Set the first selected value to the default
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selectedIndex = subscriptionNames.size();
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}
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String name = record.getDisplayName().toString();
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if (TextUtils.isEmpty(name)) {
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name = record.getNumber();
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}
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if (TextUtils.isEmpty(name)) {
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name = record.getCarrierName().toString();
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}
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if (TextUtils.isEmpty(name)) {
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name = String.format("MCC:%s MNC:%s Slot:%s Id:%s", record.getMcc(),
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record.getMnc(), record.getSimSlotIndex(), record.getSubscriptionId());
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}
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subscriptionNames.add(name);
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}
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ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(),
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android.R.layout.simple_spinner_item, subscriptionNames);
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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mSubscriptionSpinner.setAdapter(adapter);
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mSubscriptionSpinner.setSelection(selectedIndex);
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mSubscriptionSpinner.setVisibility(View.VISIBLE);
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} else {
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mSubscriptionSpinner.setVisibility(View.INVISIBLE);
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}
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mInitiateButton = (Button) mContentView.findViewById(R.id.initiate_reset_network);
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mInitiateButton.setOnClickListener(mInitiateListener);
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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mContentView = inflater.inflate(R.layout.reset_network, null);
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establishInitialState();
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return mContentView;
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}
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}
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