src/com/android/car/settings/system/ResetNetworkConfirmFragment.java

/*
 * Copyright (C) 2018 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.car.settings.system;

import static java.util.Objects.requireNonNull;

import android.app.ActivityManager;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothManager;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.android.car.settings.R;
import com.android.car.settings.common.BaseFragment;

/**
 * Final warning presented to user to confirm restoring network settings to the factory default.
 * If a user confirms, all settings are reset for connectivity, Wi-Fi, and Bluetooth.
 */
public class ResetNetworkConfirmFragment extends BaseFragment {

    /**
     * Creates new instance of {@link ResetNetworkConfirmFragment}.
     */
    public static ResetNetworkConfirmFragment newInstance() {
        ResetNetworkConfirmFragment fragment = new ResetNetworkConfirmFragment();
        Bundle bundle = BaseFragment.getBundle();
        bundle.putInt(EXTRA_LAYOUT, R.layout.reset_network_confirm_fragment);
        bundle.putInt(EXTRA_TITLE_ID, R.string.reset_network_confirm_title);
        bundle.putInt(EXTRA_ACTION_BAR_LAYOUT, R.layout.action_bar_with_button);
        fragment.setArguments(bundle);
        return fragment;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        View rootView = super.onCreateView(inflater, container, savedInstanceState);

        TextView description = requireNonNull(rootView.findViewById(R.id.description));
        description.setText(getContext().getString(R.string.reset_network_confirm_desc));

        return rootView;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        Button resetSettingsButton = requireNonNull(getActivity()).findViewById(
                R.id.action_button1);
        resetSettingsButton.setText(
                getContext().getString(R.string.reset_network_confirm_button_text));
        resetSettingsButton.setOnClickListener(v -> resetNetwork());
    }

    private void resetNetwork() {
        if (ActivityManager.isUserAMonkey()) {
            return;
        }

        Context context = requireNonNull(getActivity()).getApplicationContext();

        ConnectivityManager connectivityManager = (ConnectivityManager)
                context.getSystemService(Context.CONNECTIVITY_SERVICE);
        if (connectivityManager != null) {
            connectivityManager.factoryReset();
        }

        WifiManager wifiManager = (WifiManager)
                context.getSystemService(Context.WIFI_SERVICE);
        if (wifiManager != null) {
            wifiManager.factoryReset();
        }

        BluetoothManager btManager = (BluetoothManager)
                context.getSystemService(Context.BLUETOOTH_SERVICE);
        if (btManager != null) {
            BluetoothAdapter btAdapter = btManager.getAdapter();
            if (btAdapter != null) {
                btAdapter.factoryReset();
            }
        }

        Toast.makeText(requireContext(), R.string.reset_network_complete_toast,
                Toast.LENGTH_SHORT).show();
    }
}