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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.app.Fragment;
import android.content.Context;
import android.net.IConnectivityManager;
import android.net.NetworkPolicy;
import android.net.NetworkPolicyManager;
import android.net.NetworkTemplate;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.Toast;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.net.VpnConfig;
import com.android.internal.telephony.Phone;
import com.android.internal.telephony.PhoneConstants;
import com.android.internal.telephony.PhoneFactory;
import com.android.settings.net.NetworkPolicyEditor;
import java.util.ArrayList;
import java.util.List;
/**
* Confirm and execute a reset of the network settings to a clean "just out of the box"
* state. Multiple confirmations are required: first, a general "are you sure
* you want to do this?" prompt, followed by a keyguard pattern trace if the user
* has defined one, followed by a final strongly-worded "THIS WILL RESET EVERYTHING"
* prompt. If at any time the phone is allowed to go to sleep, is
* locked, et cetera, then the confirmation sequence is abandoned.
*
* This is the confirmation screen.
*/
public class ResetNetworkConfirm extends InstrumentedFragment {
private View mContentView;
private int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
/**
* The user has gone through the multiple confirmation, so now we go ahead
* and reset the network settings to its factory-default state.
*/
private Button.OnClickListener mFinalClickListener = new Button.OnClickListener() {
@Override
public void onClick(View v) {
if (Utils.isMonkeyRunning()) {
return;
}
// TODO maybe show a progress dialog if this ends up taking a while
IConnectivityManager connectivityService = IConnectivityManager.Stub.asInterface(
ServiceManager.getService(Context.CONNECTIVITY_SERVICE));
WifiManager wifiManager = (WifiManager)
getActivity().getSystemService(Context.WIFI_SERVICE);
TelephonyManager telephonyManager = (TelephonyManager)
getActivity().getSystemService(Context.TELEPHONY_SERVICE);
NetworkPolicyManager policyManager = NetworkPolicyManager.from(getActivity());
NetworkPolicyEditor policyEditor = new NetworkPolicyEditor(policyManager);
policyEditor.read();
// Turn airplane mode off
try {
connectivityService.setAirplaneMode(false);
} catch (RemoteException e) {
// Well, we tried
}
// Turn wifi on
wifiManager.setWifiEnabled(true);
// Delete all Wifi SSIDs
List<WifiConfiguration> networks = wifiManager.getConfiguredNetworks();
if (networks != null) {
for (WifiConfiguration config : networks) {
wifiManager.removeNetwork(config.networkId);
}
}
// Turn mobile hotspot off
wifiManager.setWifiApEnabled(null, false);
// Un-tether
try {
for (String tether : connectivityService.getTetheredIfaces()) {
connectivityService.untether(tether);
}
} catch (RemoteException e) {
// Well, we tried
}
// Turn VPN off
try {
VpnConfig vpnConfig = connectivityService.getVpnConfig();
if (vpnConfig != null) {
if (vpnConfig.legacy) {
connectivityService.prepareVpn(VpnConfig.LEGACY_VPN, VpnConfig.LEGACY_VPN);
} else {
// Prevent this app from initiating VPN connections in the future without
// user intervention.
connectivityService.setVpnPackageAuthorization(false);
connectivityService.prepareVpn(vpnConfig.user, VpnConfig.LEGACY_VPN);
}
}
} catch (RemoteException e) {
// Well, we tried
}
if (SubscriptionManager.isUsableSubIdValue(mSubId)) {
// Turn mobile data on
telephonyManager.setDataEnabled(mSubId, true);
// Set mobile network selection mode to automatic
// TODO set network selection mode to automatic
// phone.setNetworkSelectionModeAutomatic(null);
// Set preferred mobile network type to manufacturer's recommended
// int networkType = ; // TODO get manufacturer's default
// telephonyManager.setPreferredNetworkType(networkType);
// Turn roaming to manufacturer's default
// boolean enabled = ; // TODO get manufacturer's default
// SubscriptionManager.from(getContext()).setDataRoaming(enabled, mSubId);
String subscriberId = telephonyManager.getSubscriberId(mSubId);
NetworkTemplate template = NetworkTemplate.buildTemplateMobileAll(subscriberId);
// Turn mobile data limit off
policyEditor.setPolicyLimitBytes(template, NetworkPolicy.LIMIT_DISABLED);
}
// Turn restrict background data off
policyManager.setRestrictBackground(false);
// Remove app's "restrict background data" flag
for (int uid : policyManager.getUidsWithPolicy(
NetworkPolicyManager.POLICY_REJECT_METERED_BACKGROUND)) {
policyManager.setUidPolicy(uid, NetworkPolicyManager.POLICY_NONE);
}
Toast.makeText(getActivity(), R.string.reset_network_complete_toast, Toast.LENGTH_SHORT)
.show();
}
};
/**
* Configure the UI for the final confirmation interaction
*/
private void establishFinalConfirmationState() {
mContentView.findViewById(R.id.execute_reset_network)
.setOnClickListener(mFinalClickListener);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mContentView = inflater.inflate(R.layout.reset_network_confirm, null);
establishFinalConfirmationState();
return mContentView;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle args = getArguments();
if (args != null) {
mSubId = args.getInt(PhoneConstants.SUBSCRIPTION_KEY,
SubscriptionManager.INVALID_SUBSCRIPTION_ID);
}
}
@Override
protected int getMetricsCategory() {
return MetricsLogger.RESET_NETWORK_CONFIRM;
}
}
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