| /* |
| * Copyright (C) 2019 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.wifi; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.net.ConnectivityManager; |
| import android.net.TetheringManager; |
| import android.net.wifi.WifiManager; |
| import android.os.Bundle; |
| import android.view.View; |
| import android.widget.ProgressBar; |
| |
| import androidx.annotation.XmlRes; |
| import androidx.localbroadcastmanager.content.LocalBroadcastManager; |
| |
| import com.android.car.settings.R; |
| import com.android.car.settings.common.SettingsFragment; |
| import com.android.car.ui.toolbar.MenuItem; |
| import com.android.internal.util.ConcurrentUtils; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Fragment to host tethering-related preferences. |
| */ |
| public class WifiTetherFragment extends SettingsFragment { |
| |
| private CarWifiManager mCarWifiManager; |
| private TetheringManager mTetheringManager; |
| private ProgressBar mProgressBar; |
| private MenuItem mTetherSwitch; |
| private boolean mRestartBooked = false; |
| |
| private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| int state = intent.getIntExtra( |
| WifiManager.EXTRA_WIFI_AP_STATE, WifiManager.WIFI_AP_STATE_FAILED); |
| handleWifiApStateChanged(state); |
| } |
| }; |
| private final BroadcastReceiver mRestartReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| restartTethering(); |
| } |
| }; |
| |
| @Override |
| public List<MenuItem> getToolbarMenuItems() { |
| return Collections.singletonList(mTetherSwitch); |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| mTetherSwitch = new MenuItem.Builder(getContext()) |
| .setCheckable() |
| .setChecked(mCarWifiManager.isWifiApEnabled()) |
| .setOnClickListener(i -> { |
| if (!mTetherSwitch.isChecked()) { |
| stopTethering(); |
| } else { |
| startTethering(); |
| } |
| }) |
| .build(); |
| } |
| |
| @Override |
| @XmlRes |
| protected int getPreferenceScreenResId() { |
| return R.xml.wifi_tether_fragment; |
| } |
| |
| @Override |
| public void onAttach(Context context) { |
| super.onAttach(context); |
| |
| mCarWifiManager = new CarWifiManager(context); |
| mTetheringManager = getContext().getSystemService(TetheringManager.class); |
| } |
| |
| @Override |
| public void onActivityCreated(Bundle savedInstanceState) { |
| super.onActivityCreated(savedInstanceState); |
| |
| mProgressBar = getToolbar().getProgressBar(); |
| } |
| |
| @Override |
| public void onStart() { |
| super.onStart(); |
| getContext().registerReceiver(mReceiver, |
| new IntentFilter(WifiManager.WIFI_AP_STATE_CHANGED_ACTION)); |
| LocalBroadcastManager.getInstance(getContext()).registerReceiver(mRestartReceiver, |
| new IntentFilter( |
| WifiTetherBasePreferenceController.ACTION_RESTART_WIFI_TETHERING)); |
| mCarWifiManager.start(); |
| } |
| |
| @Override |
| public void onStop() { |
| super.onStop(); |
| mCarWifiManager.stop(); |
| getContext().unregisterReceiver(mReceiver); |
| LocalBroadcastManager.getInstance(getContext()).unregisterReceiver(mRestartReceiver); |
| mProgressBar.setVisibility(View.GONE); |
| } |
| |
| @Override |
| public void onDestroy() { |
| super.onDestroy(); |
| mCarWifiManager.destroy(); |
| } |
| |
| private void handleWifiApStateChanged(int state) { |
| switch (state) { |
| case WifiManager.WIFI_AP_STATE_ENABLING: |
| mTetherSwitch.setEnabled(false); |
| break; |
| case WifiManager.WIFI_AP_STATE_ENABLED: |
| mTetherSwitch.setEnabled(true); |
| if (!mTetherSwitch.isChecked()) { |
| mTetherSwitch.setChecked(true); |
| } |
| break; |
| case WifiManager.WIFI_AP_STATE_DISABLING: |
| mTetherSwitch.setEnabled(false); |
| if (mTetherSwitch.isChecked()) { |
| mTetherSwitch.setChecked(false); |
| } |
| break; |
| case WifiManager.WIFI_AP_STATE_DISABLED: |
| mTetherSwitch.setChecked(false); |
| mTetherSwitch.setEnabled(true); |
| if (mRestartBooked) { |
| mTetherSwitch.setChecked(true); |
| mRestartBooked = false; |
| } |
| break; |
| default: |
| mTetherSwitch.setChecked(false); |
| mTetherSwitch.setEnabled(true); |
| break; |
| } |
| } |
| |
| private void startTethering() { |
| mTetheringManager.startTethering(ConnectivityManager.TETHERING_WIFI, |
| ConcurrentUtils.DIRECT_EXECUTOR, |
| new TetheringManager.StartTetheringCallback() { |
| @Override |
| public void onTetheringFailed(final int result) { |
| mTetherSwitch.setChecked(false); |
| mTetherSwitch.setEnabled(true); |
| } |
| }); |
| } |
| |
| private void stopTethering() { |
| mTetheringManager.stopTethering(ConnectivityManager.TETHERING_WIFI); |
| } |
| |
| private void restartTethering() { |
| stopTethering(); |
| mRestartBooked = true; |
| } |
| |
| } |