src/com/android/settings/ResetNetwork.java - LeafOS-Project/android_packages_apps_Settings - Gitiles

 /*
  * 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.Activity;
 import android.app.settings.SettingsEnums;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Resources;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
 import android.provider.Settings.Global;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.euicc.EuiccManager;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.CheckBox;
 import android.widget.Spinner;

 import androidx.annotation.VisibleForTesting;

 import com.android.settings.core.InstrumentedFragment;
 import com.android.settings.core.SubSettingLauncher;
 import com.android.settings.enterprise.ActionDisabledByAdminDialogHelper;
 import com.android.settings.network.SubscriptionUtil;
 import com.android.settings.password.ChooseLockSettingsHelper;
 import com.android.settings.password.ConfirmLockPattern;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 import com.android.settingslib.RestrictedLockUtilsInternal;
 import com.android.settingslib.development.DevelopmentSettingsEnabler;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Optional;

 /**
  * Confirm and execute a reset of the device's 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 initial screen.
  */
 public class ResetNetwork extends InstrumentedFragment {
     private static final String TAG = "ResetNetwork";

     // Arbitrary to avoid conficts
     private static final int KEYGUARD_REQUEST = 55;

     private List<SubscriptionInfo> mSubscriptions;

     private View mContentView;
     private Spinner mSubscriptionSpinner;
     private Button mInitiateButton;
     @VisibleForTesting View mEsimContainer;
     @VisibleForTesting CheckBox mEsimCheckbox;

     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         getActivity().setTitle(R.string.reset_network_title);
     }

     /**
      * Keyguard validation is run using the standard {@link ConfirmLockPattern}
      * component as a subactivity
      * @param request the request code to be returned once confirmation finishes
      * @return true if confirmation launched
      */
     private boolean runKeyguardConfirmation(int request) {
         Resources res = getActivity().getResources();
         final ChooseLockSettingsHelper.Builder builder =
                 new ChooseLockSettingsHelper.Builder(getActivity(), this);
         return builder.setRequestCode(request)
                 .setTitle(res.getText(R.string.reset_network_title))
                 .show();
     }

     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);

         if (requestCode != KEYGUARD_REQUEST) {
             return;
         }

         // If the user entered a valid keyguard trace, present the final
         // confirmation prompt; otherwise, go back to the initial state.
         if (resultCode == Activity.RESULT_OK) {
             showFinalConfirmation();
         } else {
             establishInitialState(getActiveSubscriptionInfoList());
         }
     }

     @VisibleForTesting
     void showFinalConfirmation() {
         Bundle args = new Bundle();
         if (mSubscriptions != null && mSubscriptions.size() > 0) {
             int selectedIndex = mSubscriptionSpinner.getSelectedItemPosition();
             SubscriptionInfo subscription = mSubscriptions.get(selectedIndex);
             args.putInt(SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX,
                     subscription.getSubscriptionId());
         }
         args.putBoolean(MainClear.ERASE_ESIMS_EXTRA,
                 mEsimContainer.getVisibility() == View.VISIBLE && mEsimCheckbox.isChecked());
         new SubSettingLauncher(getContext())
                 .setDestination(ResetNetworkConfirm.class.getName())
                 .setArguments(args)
                 .setTitleRes(R.string.reset_network_confirm_title)
                 .setSourceMetricsCategory(getMetricsCategory())
                 .launch();
     }

     /**
      * If the user clicks to begin the reset sequence, we next require a
      * keyguard confirmation if the user has currently enabled one.  If there
      * is no keyguard available, we simply go to the final confirmation prompt.
      */
     private final Button.OnClickListener mInitiateListener = new Button.OnClickListener() {

         @Override
         public void onClick(View v) {
             if (!runKeyguardConfirmation(KEYGUARD_REQUEST)) {
                 showFinalConfirmation();
             }
         }
     };

     /**
      * In its initial state, the activity presents a button for the user to
      * click in order to initiate a confirmation sequence.  This method is
      * called from various other points in the code to reset the activity to
      * this base state.
      *
      * <p>Reinflating views from resources is expensive and prevents us from
      * caching widget pointers, so we use a single-inflate pattern:  we lazy-
      * inflate each view, caching all of the widget pointers we'll need at the
      * time, then simply reuse the inflated views directly whenever we need
      * to change contents.
      *
      * @param subscriptionsList is a list of SubscriptionInfo(s) which allow user to select from
      */
     private void establishInitialState(List<SubscriptionInfo> subscriptionsList) {
         mSubscriptionSpinner = (Spinner) mContentView.findViewById(R.id.reset_network_subscription);
         mEsimContainer = mContentView.findViewById(R.id.erase_esim_container);
         mEsimCheckbox = mContentView.findViewById(R.id.erase_esim);

         mSubscriptions = subscriptionsList;
         if (mSubscriptions != null && mSubscriptions.size() > 0) {
             // Get the default subscription in the order of data, voice, sms, first up.
             int defaultSubscription = SubscriptionManager.getDefaultDataSubscriptionId();
             if (!SubscriptionManager.isUsableSubscriptionId(defaultSubscription)) {
                 defaultSubscription = SubscriptionManager.getDefaultVoiceSubscriptionId();
             }
             if (!SubscriptionManager.isUsableSubscriptionId(defaultSubscription)) {
                 defaultSubscription = SubscriptionManager.getDefaultSmsSubscriptionId();
             }
             if (!SubscriptionManager.isUsableSubscriptionId(defaultSubscription)) {
                 defaultSubscription = SubscriptionManager.getDefaultSubscriptionId();
             }

             int selectedIndex = 0;
             int size = mSubscriptions.size();
             List<String> subscriptionNames = new ArrayList<>();
             for (SubscriptionInfo record : mSubscriptions) {
                 if (record.getSubscriptionId() == defaultSubscription) {
                     // Set the first selected value to the default
                     selectedIndex = subscriptionNames.size();
                 }
                 String name = SubscriptionUtil.getUniqueSubscriptionDisplayName(
                         record, getContext()).toString();
                 if (TextUtils.isEmpty(name)) {
                     name = record.getNumber();
                 }
                 if (TextUtils.isEmpty(name)) {
                     name = record.getCarrierName().toString();
                 }
                 if (TextUtils.isEmpty(name)) {
                     name = String.format("MCC:%s MNC:%s Slot:%s Id:%s", record.getMcc(),
                             record.getMnc(), record.getSimSlotIndex(), record.getSubscriptionId());
                 }
                 subscriptionNames.add(name);
             }
             ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(),
                     android.R.layout.simple_spinner_item, subscriptionNames);
             adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
             mSubscriptionSpinner.setAdapter(adapter);
             mSubscriptionSpinner.setSelection(selectedIndex);
             if (mSubscriptions.size() > 1) {
                 mSubscriptionSpinner.setVisibility(View.VISIBLE);
             } else {
                 mSubscriptionSpinner.setVisibility(View.INVISIBLE);
             }
         } else {
             mSubscriptionSpinner.setVisibility(View.INVISIBLE);
         }
         mInitiateButton = (Button) mContentView.findViewById(R.id.initiate_reset_network);
         mInitiateButton.setOnClickListener(mInitiateListener);
         if (showEuiccSettings(getContext())) {
             mEsimContainer.setVisibility(View.VISIBLE);
             mEsimContainer.setOnClickListener(new OnClickListener() {
                 @Override
                 public void onClick(View v) {
                     mEsimCheckbox.toggle();
                 }
             });
         } else {
             mEsimCheckbox.setChecked(false /* checked */);
         }
     }

     private List<SubscriptionInfo> getActiveSubscriptionInfoList() {
         SubscriptionManager mgr = getActivity().getSystemService(SubscriptionManager.class);
         if (mgr == null) {
             Log.w(TAG, "No SubscriptionManager");
             return Collections.emptyList();
         }
         return Optional.ofNullable(mgr.getActiveSubscriptionInfoList())
                 .orElse(Collections.emptyList());
     }

     @Override
     public void onResume() {
         super.onResume();

         // update options if subcription has been changed
         List<SubscriptionInfo> updatedSubscriptions = getActiveSubscriptionInfoList();
         if ((mSubscriptions != null)
                 && (mSubscriptions.size() == updatedSubscriptions.size())
                 && mSubscriptions.containsAll(updatedSubscriptions)) {
             return;
         }
         Log.d(TAG, "subcription list changed");
         establishInitialState(updatedSubscriptions);
     }

     private boolean showEuiccSettings(Context context) {
         EuiccManager euiccManager =
                 (EuiccManager) context.getSystemService(Context.EUICC_SERVICE);
         if (!euiccManager.isEnabled()) {
             return false;
         }
         ContentResolver resolver = context.getContentResolver();
         return Settings.Global.getInt(resolver, Global.EUICC_PROVISIONED, 0) != 0
                 || DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(context);
     }

     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
         final UserManager um = UserManager.get(getActivity());
         final EnforcedAdmin admin = RestrictedLockUtilsInternal.checkIfRestrictionEnforced(
                 getActivity(), UserManager.DISALLOW_NETWORK_RESET, UserHandle.myUserId());
         if (!um.isAdminUser() || RestrictedLockUtilsInternal.hasBaseUserRestriction(getActivity(),
                 UserManager.DISALLOW_NETWORK_RESET, UserHandle.myUserId())) {
             return inflater.inflate(R.layout.network_reset_disallowed_screen, null);
         } else if (admin != null) {
             new ActionDisabledByAdminDialogHelper(getActivity())
                     .prepareDialogBuilder(UserManager.DISALLOW_NETWORK_RESET, admin)
                     .setOnDismissListener(__ -> getActivity().finish())
                     .show();
             return new View(getContext());
         }

         mContentView = inflater.inflate(R.layout.reset_network, null);

         establishInitialState(getActiveSubscriptionInfoList());
         return mContentView;
     }

     @Override
     public int getMetricsCategory() {
         return SettingsEnums.RESET_NETWORK;
     }
 }
	/*
	* 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.Activity;
	import android.app.settings.SettingsEnums;
	import android.content.ContentResolver;
	import android.content.Context;
	import android.content.Intent;
	import android.content.res.Resources;
	import android.os.Bundle;
	import android.os.UserHandle;
	import android.os.UserManager;
	import android.provider.Settings;
	import android.provider.Settings.Global;
	import android.telephony.SubscriptionInfo;
	import android.telephony.SubscriptionManager;
	import android.telephony.euicc.EuiccManager;
	import android.text.TextUtils;
	import android.util.Log;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.view.ViewGroup;
	import android.widget.ArrayAdapter;
	import android.widget.Button;
	import android.widget.CheckBox;
	import android.widget.Spinner;

	import androidx.annotation.VisibleForTesting;

	import com.android.settings.core.InstrumentedFragment;
	import com.android.settings.core.SubSettingLauncher;
	import com.android.settings.enterprise.ActionDisabledByAdminDialogHelper;
	import com.android.settings.network.SubscriptionUtil;
	import com.android.settings.password.ChooseLockSettingsHelper;
	import com.android.settings.password.ConfirmLockPattern;
	import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
	import com.android.settingslib.RestrictedLockUtilsInternal;
	import com.android.settingslib.development.DevelopmentSettingsEnabler;

	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.List;
	import java.util.Optional;

	/**
	* Confirm and execute a reset of the device's 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 initial screen.
	*/
	public class ResetNetwork extends InstrumentedFragment {
	private static final String TAG = "ResetNetwork";

	// Arbitrary to avoid conficts
	private static final int KEYGUARD_REQUEST = 55;

	private List<SubscriptionInfo> mSubscriptions;

	private View mContentView;
	private Spinner mSubscriptionSpinner;
	private Button mInitiateButton;
	@VisibleForTesting View mEsimContainer;
	@VisibleForTesting CheckBox mEsimCheckbox;

	@Override
	public void onCreate(@Nullable Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	getActivity().setTitle(R.string.reset_network_title);
	}

	/**
	* Keyguard validation is run using the standard {@link ConfirmLockPattern}
	* component as a subactivity
	* @param request the request code to be returned once confirmation finishes
	* @return true if confirmation launched
	*/
	private boolean runKeyguardConfirmation(int request) {
	Resources res = getActivity().getResources();
	final ChooseLockSettingsHelper.Builder builder =
	new ChooseLockSettingsHelper.Builder(getActivity(), this);
	return builder.setRequestCode(request)
	.setTitle(res.getText(R.string.reset_network_title))
	.show();
	}

	@Override
	public void onActivityResult(int requestCode, int resultCode, Intent data) {
	super.onActivityResult(requestCode, resultCode, data);

	if (requestCode != KEYGUARD_REQUEST) {
	return;
	}

	// If the user entered a valid keyguard trace, present the final
	// confirmation prompt; otherwise, go back to the initial state.
	if (resultCode == Activity.RESULT_OK) {
	showFinalConfirmation();
	} else {
	establishInitialState(getActiveSubscriptionInfoList());
	}
	}

	@VisibleForTesting
	void showFinalConfirmation() {
	Bundle args = new Bundle();
	if (mSubscriptions != null && mSubscriptions.size() > 0) {
	int selectedIndex = mSubscriptionSpinner.getSelectedItemPosition();
	SubscriptionInfo subscription = mSubscriptions.get(selectedIndex);
	args.putInt(SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX,
	subscription.getSubscriptionId());
	}
	args.putBoolean(MainClear.ERASE_ESIMS_EXTRA,
	mEsimContainer.getVisibility() == View.VISIBLE && mEsimCheckbox.isChecked());
	new SubSettingLauncher(getContext())
	.setDestination(ResetNetworkConfirm.class.getName())
	.setArguments(args)
	.setTitleRes(R.string.reset_network_confirm_title)
	.setSourceMetricsCategory(getMetricsCategory())
	.launch();
	}

	/**
	* If the user clicks to begin the reset sequence, we next require a
	* keyguard confirmation if the user has currently enabled one. If there
	* is no keyguard available, we simply go to the final confirmation prompt.
	*/
	private final Button.OnClickListener mInitiateListener = new Button.OnClickListener() {

	@Override
	public void onClick(View v) {
	if (!runKeyguardConfirmation(KEYGUARD_REQUEST)) {
	showFinalConfirmation();
	}
	}
	};

	/**
	* In its initial state, the activity presents a button for the user to
	* click in order to initiate a confirmation sequence. This method is
	* called from various other points in the code to reset the activity to
	* this base state.
	*
	* <p>Reinflating views from resources is expensive and prevents us from
	* caching widget pointers, so we use a single-inflate pattern: we lazy-
	* inflate each view, caching all of the widget pointers we'll need at the
	* time, then simply reuse the inflated views directly whenever we need
	* to change contents.
	*
	* @param subscriptionsList is a list of SubscriptionInfo(s) which allow user to select from
	*/
	private void establishInitialState(List<SubscriptionInfo> subscriptionsList) {
	mSubscriptionSpinner = (Spinner) mContentView.findViewById(R.id.reset_network_subscription);
	mEsimContainer = mContentView.findViewById(R.id.erase_esim_container);
	mEsimCheckbox = mContentView.findViewById(R.id.erase_esim);

	mSubscriptions = subscriptionsList;
	if (mSubscriptions != null && mSubscriptions.size() > 0) {
	// Get the default subscription in the order of data, voice, sms, first up.
	int defaultSubscription = SubscriptionManager.getDefaultDataSubscriptionId();
	if (!SubscriptionManager.isUsableSubscriptionId(defaultSubscription)) {
	defaultSubscription = SubscriptionManager.getDefaultVoiceSubscriptionId();
	}
	if (!SubscriptionManager.isUsableSubscriptionId(defaultSubscription)) {
	defaultSubscription = SubscriptionManager.getDefaultSmsSubscriptionId();
	}
	if (!SubscriptionManager.isUsableSubscriptionId(defaultSubscription)) {
	defaultSubscription = SubscriptionManager.getDefaultSubscriptionId();
	}

	int selectedIndex = 0;
	int size = mSubscriptions.size();
	List<String> subscriptionNames = new ArrayList<>();
	for (SubscriptionInfo record : mSubscriptions) {
	if (record.getSubscriptionId() == defaultSubscription) {
	// Set the first selected value to the default
	selectedIndex = subscriptionNames.size();
	}
	String name = SubscriptionUtil.getUniqueSubscriptionDisplayName(
	record, getContext()).toString();
	if (TextUtils.isEmpty(name)) {
	name = record.getNumber();
	}
	if (TextUtils.isEmpty(name)) {
	name = record.getCarrierName().toString();
	}
	if (TextUtils.isEmpty(name)) {
	name = String.format("MCC:%s MNC:%s Slot:%s Id:%s", record.getMcc(),
	record.getMnc(), record.getSimSlotIndex(), record.getSubscriptionId());
	}
	subscriptionNames.add(name);
	}
	ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(),
	android.R.layout.simple_spinner_item, subscriptionNames);
	adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
	mSubscriptionSpinner.setAdapter(adapter);
	mSubscriptionSpinner.setSelection(selectedIndex);
	if (mSubscriptions.size() > 1) {
	mSubscriptionSpinner.setVisibility(View.VISIBLE);
	} else {
	mSubscriptionSpinner.setVisibility(View.INVISIBLE);
	}
	} else {
	mSubscriptionSpinner.setVisibility(View.INVISIBLE);
	}
	mInitiateButton = (Button) mContentView.findViewById(R.id.initiate_reset_network);
	mInitiateButton.setOnClickListener(mInitiateListener);
	if (showEuiccSettings(getContext())) {
	mEsimContainer.setVisibility(View.VISIBLE);
	mEsimContainer.setOnClickListener(new OnClickListener() {
	@Override
	public void onClick(View v) {
	mEsimCheckbox.toggle();
	}
	});
	} else {
	mEsimCheckbox.setChecked(false /* checked */);
	}
	}

	private List<SubscriptionInfo> getActiveSubscriptionInfoList() {
	SubscriptionManager mgr = getActivity().getSystemService(SubscriptionManager.class);
	if (mgr == null) {
	Log.w(TAG, "No SubscriptionManager");
	return Collections.emptyList();
	}
	return Optional.ofNullable(mgr.getActiveSubscriptionInfoList())
	.orElse(Collections.emptyList());
	}

	@Override
	public void onResume() {
	super.onResume();

	// update options if subcription has been changed
	List<SubscriptionInfo> updatedSubscriptions = getActiveSubscriptionInfoList();
	if ((mSubscriptions != null)
	&& (mSubscriptions.size() == updatedSubscriptions.size())
	&& mSubscriptions.containsAll(updatedSubscriptions)) {
	return;
	}
	Log.d(TAG, "subcription list changed");
	establishInitialState(updatedSubscriptions);
	}

	private boolean showEuiccSettings(Context context) {
	EuiccManager euiccManager =
	(EuiccManager) context.getSystemService(Context.EUICC_SERVICE);
	if (!euiccManager.isEnabled()) {
	return false;
	}
	ContentResolver resolver = context.getContentResolver();
	return Settings.Global.getInt(resolver, Global.EUICC_PROVISIONED, 0) != 0
	\|\| DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(context);
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
	Bundle savedInstanceState) {
	final UserManager um = UserManager.get(getActivity());
	final EnforcedAdmin admin = RestrictedLockUtilsInternal.checkIfRestrictionEnforced(
	getActivity(), UserManager.DISALLOW_NETWORK_RESET, UserHandle.myUserId());
	if (!um.isAdminUser() \|\| RestrictedLockUtilsInternal.hasBaseUserRestriction(getActivity(),
	UserManager.DISALLOW_NETWORK_RESET, UserHandle.myUserId())) {
	return inflater.inflate(R.layout.network_reset_disallowed_screen, null);
	} else if (admin != null) {
	new ActionDisabledByAdminDialogHelper(getActivity())
	.prepareDialogBuilder(UserManager.DISALLOW_NETWORK_RESET, admin)
	.setOnDismissListener(__ -> getActivity().finish())
	.show();
	return new View(getContext());
	}

	mContentView = inflater.inflate(R.layout.reset_network, null);

	establishInitialState(getActiveSubscriptionInfoList());
	return mContentView;
	}

	@Override
	public int getMetricsCategory() {
	return SettingsEnums.RESET_NETWORK;
	}
	}