WifiSettings: rename WifiSettings2 to WifiSettings.
This commit is contained in:
Chia-chi Yeh
484
src/com/android/settings/wifi/WifiSettings.java
Normal file
484
src/com/android/settings/wifi/WifiSettings.java
Normal file
@@ -0,0 +1,484 @@
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/*
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* Copyright (C) 2010 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.wifi;
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import com.android.settings.ProgressCategory;
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import com.android.settings.R;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.net.NetworkInfo;
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import android.net.wifi.ScanResult;
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import android.net.wifi.SupplicantState;
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import android.net.wifi.WifiConfiguration;
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import android.net.wifi.WifiConfiguration.KeyMgmt;
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import android.net.wifi.WifiConfiguration.Status;
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import android.net.wifi.WifiInfo;
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import android.net.wifi.WifiManager;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.preference.CheckBoxPreference;
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import android.preference.Preference;
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import android.preference.PreferenceActivity;
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import android.preference.PreferenceScreen;
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import android.provider.Settings.Secure;
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import android.security.Credentials;
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import android.security.KeyStore;
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import android.text.TextUtils;
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import android.view.ContextMenu;
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import android.view.ContextMenu.ContextMenuInfo;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.AdapterView.AdapterContextMenuInfo;
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import android.widget.Toast;
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import java.util.ArrayList;
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import java.util.List;
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public class WifiSettings extends PreferenceActivity implements DialogInterface.OnClickListener {
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private static final int MENU_ID_SCAN = Menu.FIRST;
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private static final int MENU_ID_ADVANCED = Menu.FIRST + 1;
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private static final int MENU_ID_CONNECT = Menu.FIRST + 2;
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private static final int MENU_ID_FORGET = Menu.FIRST + 3;
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private static final int MENU_ID_MODIFY = Menu.FIRST + 4;
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private final IntentFilter mFilter;
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private final BroadcastReceiver mReceiver;
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private final Scanner mScanner;
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private WifiManager mWifiManager;
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private WifiEnabler mWifiEnabler;
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private CheckBoxPreference mNotifyOpenNetworks;
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private ProgressCategory mAccessPoints;
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private Preference mAddNetwork;
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private NetworkInfo.DetailedState mLastState;
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private WifiInfo mLastInfo;
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private int mLastPriority;
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private boolean mResetNetworks = false;
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private int mKeyStoreNetworkId = -1;
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private AccessPoint mSelected;
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private WifiDialog mDialog;
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public WifiSettings() {
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mFilter = new IntentFilter();
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mFilter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);
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mFilter.addAction(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION);
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mFilter.addAction(WifiManager.NETWORK_IDS_CHANGED_ACTION);
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mFilter.addAction(WifiManager.SUPPLICANT_STATE_CHANGED_ACTION);
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mFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
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mFilter.addAction(WifiManager.RSSI_CHANGED_ACTION);
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mReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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handleEvent(intent);
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}
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};
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mScanner = new Scanner();
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}
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
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if (getIntent().getBooleanExtra("only_access_points", false)) {
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addPreferencesFromResource(R.xml.wifi_access_points);
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} else {
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addPreferencesFromResource(R.xml.wifi_settings);
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mWifiEnabler = new WifiEnabler(this, mWifiManager,
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(CheckBoxPreference) findPreference("enable_wifi"));
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mNotifyOpenNetworks =
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(CheckBoxPreference) findPreference("notify_open_networks");
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mNotifyOpenNetworks.setChecked(Secure.getInt(getContentResolver(),
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Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0) == 1);
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}
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mAccessPoints = (ProgressCategory) findPreference("access_points");
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mAccessPoints.setOrderingAsAdded(false);
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mAddNetwork = findPreference("add_network");
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registerForContextMenu(getListView());
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}
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@Override
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protected void onResume() {
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super.onResume();
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registerReceiver(mReceiver, mFilter);
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if (mWifiEnabler != null) {
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mWifiEnabler.resume();
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}
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if (mKeyStoreNetworkId != -1 && KeyStore.getInstance().test() == KeyStore.NO_ERROR) {
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connect(mKeyStoreNetworkId);
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}
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mKeyStoreNetworkId = -1;
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}
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@Override
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protected void onPause() {
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super.onPause();
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unregisterReceiver(mReceiver);
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if (mWifiEnabler != null) {
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mWifiEnabler.pause();
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}
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mScanner.pause();
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if (mDialog != null) {
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mDialog.dismiss();
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mDialog = null;
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}
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if (mResetNetworks) {
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enableNetworks();
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}
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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menu.add(Menu.NONE, MENU_ID_SCAN, 0, R.string.wifi_menu_scan)
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.setIcon(R.drawable.ic_menu_scan_network);
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menu.add(Menu.NONE, MENU_ID_ADVANCED, 0, R.string.wifi_menu_advanced)
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.setIcon(android.R.drawable.ic_menu_manage);
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return super.onCreateOptionsMenu(menu);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case MENU_ID_SCAN:
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mScanner.resume();
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return true;
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case MENU_ID_ADVANCED:
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startActivity(new Intent(this, AdvancedSettings.class));
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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@Override
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public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo info) {
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if (info instanceof AdapterContextMenuInfo) {
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Preference preference = (Preference) getListView().getItemAtPosition(
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((AdapterContextMenuInfo) info).position);
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if (preference instanceof AccessPoint) {
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mSelected = (AccessPoint) preference;
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menu.setHeaderTitle(mSelected.ssid);
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if (mSelected.getLevel() != -1 && mSelected.getState() == null) {
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menu.add(Menu.NONE, MENU_ID_CONNECT, 0, R.string.wifi_menu_connect);
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}
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if (mSelected.networkId != -1) {
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menu.add(Menu.NONE, MENU_ID_FORGET, 0, R.string.wifi_menu_forget);
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if (mSelected.security != AccessPoint.SECURITY_NONE) {
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menu.add(Menu.NONE, MENU_ID_MODIFY, 0, R.string.wifi_menu_modify);
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}
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}
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}
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}
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}
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@Override
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public boolean onContextItemSelected(MenuItem item) {
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if (mSelected == null) {
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return super.onContextItemSelected(item);
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}
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switch (item.getItemId()) {
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case MENU_ID_CONNECT:
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if (mSelected.networkId != -1) {
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if (!requireKeyStore(mSelected.getConfig())) {
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connect(mSelected.networkId);
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}
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} else if (mSelected.security == AccessPoint.SECURITY_NONE) {
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// Shortcut for open networks.
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WifiConfiguration config = new WifiConfiguration();
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config.SSID = mSelected.ssid;
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config.allowedKeyManagement.set(KeyMgmt.NONE);
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int networkId = mWifiManager.addNetwork(config);
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mWifiManager.enableNetwork(networkId, false);
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connect(networkId);
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} else {
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showDialog(mSelected, false);
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}
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return true;
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case MENU_ID_FORGET:
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forget(mSelected.networkId);
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return true;
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case MENU_ID_MODIFY:
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showDialog(mSelected, true);
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return true;
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}
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return super.onContextItemSelected(item);
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}
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@Override
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public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference preference) {
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if (preference instanceof AccessPoint) {
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mSelected = (AccessPoint) preference;
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showDialog(mSelected, false);
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} else if (preference == mAddNetwork) {
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mSelected = null;
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showDialog(null, true);
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} else if (preference == mNotifyOpenNetworks) {
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Secure.putInt(getContentResolver(),
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Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
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mNotifyOpenNetworks.isChecked() ? 1 : 0);
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} else {
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return super.onPreferenceTreeClick(screen, preference);
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}
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return true;
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}
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public void onClick(DialogInterface dialogInterface, int button) {
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if (button == WifiDialog.BUTTON_FORGET && mSelected != null) {
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forget(mSelected.networkId);
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} else if (button == WifiDialog.BUTTON_SUBMIT) {
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WifiConfiguration config = mDialog.getConfig();
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if (config == null) {
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if (mSelected != null && !requireKeyStore(mSelected.getConfig())) {
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connect(mSelected.networkId);
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}
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} else if (config.networkId != -1) {
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if (mSelected != null) {
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mWifiManager.updateNetwork(config);
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saveNetworks();
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}
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} else {
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int networkId = mWifiManager.addNetwork(config);
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if (networkId != -1) {
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mWifiManager.enableNetwork(networkId, false);
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config.networkId = networkId;
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if (mDialog.edit || requireKeyStore(config)) {
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saveNetworks();
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} else {
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connect(networkId);
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}
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}
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}
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}
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}
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private void showDialog(AccessPoint accessPoint, boolean edit) {
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if (mDialog != null) {
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mDialog.dismiss();
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}
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mDialog = new WifiDialog(this, this, accessPoint, edit);
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mDialog.show();
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}
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private boolean requireKeyStore(WifiConfiguration config) {
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if (WifiDialog.requireKeyStore(config) &&
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KeyStore.getInstance().test() != KeyStore.NO_ERROR) {
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mKeyStoreNetworkId = config.networkId;
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Credentials.getInstance().unlock(this);
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return true;
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}
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return false;
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}
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private void forget(int networkId) {
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mWifiManager.removeNetwork(networkId);
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saveNetworks();
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}
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private void connect(int networkId) {
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if (networkId == -1) {
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return;
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}
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// Reset the priority of each network if it goes too high.
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if (mLastPriority > 1000000) {
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for (int i = mAccessPoints.getPreferenceCount() - 1; i >= 0; --i) {
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AccessPoint accessPoint = (AccessPoint) mAccessPoints.getPreference(i);
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if (accessPoint.networkId != -1) {
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WifiConfiguration config = new WifiConfiguration();
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config.networkId = accessPoint.networkId;
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config.priority = 0;
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mWifiManager.updateNetwork(config);
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}
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}
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mLastPriority = 0;
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}
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// Set to the highest priority and save the configuration.
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WifiConfiguration config = new WifiConfiguration();
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config.networkId = networkId;
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config.priority = ++mLastPriority;
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mWifiManager.updateNetwork(config);
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saveNetworks();
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// Connect to network by disabling others.
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mWifiManager.enableNetwork(networkId, true);
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mWifiManager.reconnect();
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mResetNetworks = true;
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}
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private void enableNetworks() {
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for (int i = mAccessPoints.getPreferenceCount() - 1; i >= 0; --i) {
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WifiConfiguration config = ((AccessPoint) mAccessPoints.getPreference(i)).getConfig();
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if (config != null && config.status != Status.ENABLED) {
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mWifiManager.enableNetwork(config.networkId, false);
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}
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}
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mResetNetworks = false;
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}
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private void saveNetworks() {
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// Always save the configuration with all networks enabled.
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enableNetworks();
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mWifiManager.saveConfiguration();
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updateAccessPoints();
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}
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private void updateAccessPoints() {
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List<AccessPoint> accessPoints = new ArrayList<AccessPoint>();
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List<WifiConfiguration> configs = mWifiManager.getConfiguredNetworks();
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if (configs != null) {
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mLastPriority = 0;
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for (WifiConfiguration config : configs) {
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if (config.priority > mLastPriority) {
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mLastPriority = config.priority;
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}
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// Shift the status to make enableNetworks() more efficient.
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if (config.status == Status.CURRENT) {
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config.status = Status.ENABLED;
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} else if (mResetNetworks && config.status == Status.DISABLED) {
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config.status = Status.CURRENT;
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}
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AccessPoint accessPoint = new AccessPoint(this, config);
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accessPoint.update(mLastInfo, mLastState);
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accessPoints.add(accessPoint);
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}
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}
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List<ScanResult> results = mWifiManager.getScanResults();
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if (results != null) {
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for (ScanResult result : results) {
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// Ignore hidden and ad-hoc networks.
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if (result.SSID == null || result.SSID.length() == 0 ||
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result.capabilities.contains("[IBSS]")) {
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continue;
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}
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boolean found = false;
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for (AccessPoint accessPoint : accessPoints) {
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if (accessPoint.update(result)) {
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found = true;
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}
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}
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if (!found) {
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accessPoints.add(new AccessPoint(this, result));
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}
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}
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}
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mAccessPoints.removeAll();
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for (AccessPoint accessPoint : accessPoints) {
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mAccessPoints.addPreference(accessPoint);
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}
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}
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private void handleEvent(Intent intent) {
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String action = intent.getAction();
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if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(action)) {
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updateWifiState(intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE,
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WifiManager.WIFI_STATE_UNKNOWN));
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} else if (WifiManager.SCAN_RESULTS_AVAILABLE_ACTION.equals(action)) {
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updateAccessPoints();
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} else if (WifiManager.NETWORK_IDS_CHANGED_ACTION.equals(action)) {
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if (mSelected != null && mSelected.networkId != -1) {
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mSelected = null;
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}
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updateAccessPoints();
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} else if (WifiManager.SUPPLICANT_STATE_CHANGED_ACTION.equals(action)) {
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updateConnectionState(WifiInfo.getDetailedStateOf((SupplicantState)
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intent.getParcelableExtra(WifiManager.EXTRA_NEW_STATE)));
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} else if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(action)) {
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updateConnectionState(((NetworkInfo) intent.getParcelableExtra(
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WifiManager.EXTRA_NETWORK_INFO)).getDetailedState());
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} else if (WifiManager.RSSI_CHANGED_ACTION.equals(action)) {
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updateConnectionState(null);
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}
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}
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private void updateConnectionState(NetworkInfo.DetailedState state) {
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if (state == NetworkInfo.DetailedState.OBTAINING_IPADDR) {
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mScanner.pause();
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} else {
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mScanner.resume();
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}
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mLastInfo = mWifiManager.getConnectionInfo();
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if (state != null) {
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mLastState = state;
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}
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for (int i = mAccessPoints.getPreferenceCount() - 1; i >= 0; --i) {
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((AccessPoint) mAccessPoints.getPreference(i)).update(mLastInfo, mLastState);
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}
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}
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private void updateWifiState(int state) {
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if (state == WifiManager.WIFI_STATE_ENABLED) {
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mScanner.resume();
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updateAccessPoints();
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} else {
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mScanner.pause();
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mAccessPoints.removeAll();
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}
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}
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private class Scanner extends Handler {
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private int mRetry = 0;
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void resume() {
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if (!hasMessages(0)) {
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sendEmptyMessage(0);
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}
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}
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void pause() {
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mRetry = 0;
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mAccessPoints.setProgress(false);
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removeMessages(0);
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}
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@Override
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public void handleMessage(Message message) {
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if (mWifiManager.startScanActive()) {
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mRetry = 0;
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} else if (++mRetry >= 3) {
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mRetry = 0;
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Toast.makeText(WifiSettings.this, R.string.wifi_fail_to_scan,
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Toast.LENGTH_LONG).show();
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}
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mAccessPoints.setProgress(mRetry != 0);
|
||||
sendEmptyMessageDelayed(0, 6000);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user