254 lines
9.2 KiB
Java
254 lines
9.2 KiB
Java
/*
|
|
* Copyright (C) 2014 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.wifi;
|
|
|
|
import android.app.Dialog;
|
|
import android.content.Context;
|
|
import android.content.DialogInterface;
|
|
import android.content.res.Resources;
|
|
import android.net.wifi.ScanResult;
|
|
import android.net.wifi.WifiConfiguration;
|
|
import android.net.wifi.WifiManager;
|
|
import android.os.Bundle;
|
|
import android.preference.Preference;
|
|
import android.preference.Preference.OnPreferenceClickListener;
|
|
import android.preference.PreferenceScreen;
|
|
|
|
import com.android.settings.search.BaseSearchIndexProvider;
|
|
import com.android.settings.search.Indexable;
|
|
import com.android.settings.search.SearchIndexableRaw;
|
|
|
|
import android.util.Log;
|
|
import android.view.View;
|
|
|
|
import com.android.settings.R;
|
|
import com.android.settings.SettingsPreferenceFragment;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.HashMap;
|
|
import java.util.List;
|
|
import java.util.Map;
|
|
|
|
/**
|
|
* UI to manage saved networks/access points.
|
|
*/
|
|
public class SavedAccessPointsWifiSettings extends SettingsPreferenceFragment
|
|
implements DialogInterface.OnClickListener, Indexable {
|
|
private static final String TAG = "SavedAccessPointsWifiSettings";
|
|
|
|
private WifiDialog mDialog;
|
|
private WifiManager mWifiManager;
|
|
private AccessPoint mDlgAccessPoint;
|
|
private Bundle mAccessPointSavedState;
|
|
private AccessPoint mSelectedAccessPoint;
|
|
|
|
// Instance state key
|
|
private static final String SAVE_DIALOG_ACCESS_POINT_STATE = "wifi_ap_state";
|
|
|
|
@Override
|
|
public void onCreate(Bundle savedInstanceState) {
|
|
super.onCreate(savedInstanceState);
|
|
addPreferencesFromResource(R.xml.wifi_display_saved_access_points);
|
|
}
|
|
|
|
@Override
|
|
public void onResume() {
|
|
super.onResume();
|
|
initPreferences();
|
|
}
|
|
|
|
@Override
|
|
public void onActivityCreated(Bundle savedInstanceState) {
|
|
super.onActivityCreated(savedInstanceState);
|
|
mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
|
|
|
|
if (savedInstanceState != null) {
|
|
if (savedInstanceState.containsKey(SAVE_DIALOG_ACCESS_POINT_STATE)) {
|
|
mAccessPointSavedState =
|
|
savedInstanceState.getBundle(SAVE_DIALOG_ACCESS_POINT_STATE);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void initPreferences() {
|
|
PreferenceScreen preferenceScreen = getPreferenceScreen();
|
|
final Context context = getActivity();
|
|
|
|
mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
|
|
final List<AccessPoint> accessPoints = constructSavedAccessPoints(context, mWifiManager);
|
|
|
|
preferenceScreen.removeAll();
|
|
|
|
final int accessPointsSize = accessPoints.size();
|
|
for (int i = 0; i < accessPointsSize; ++i){
|
|
preferenceScreen.addPreference(accessPoints.get(i));
|
|
}
|
|
|
|
if(getPreferenceScreen().getPreferenceCount() < 1) {
|
|
Log.w(TAG, "Saved networks activity loaded, but there are no saved networks!");
|
|
}
|
|
}
|
|
|
|
private static List<AccessPoint> constructSavedAccessPoints(Context context,
|
|
WifiManager wifiManager){
|
|
List<AccessPoint> accessPoints = new ArrayList<AccessPoint>();
|
|
Map<String, List<ScanResult>> resultsMap = new HashMap<String, List<ScanResult>>();
|
|
|
|
final List<WifiConfiguration> configs = wifiManager.getConfiguredNetworks();
|
|
final List<ScanResult> scanResults = wifiManager.getScanResults();
|
|
|
|
if (configs != null) {
|
|
//Construct a Map for quick searching of a wifi network via ssid.
|
|
final int scanResultsSize = scanResults.size();
|
|
for (int i = 0; i < scanResultsSize; ++i){
|
|
final ScanResult result = scanResults.get(i);
|
|
List<ScanResult> res = resultsMap.get(result.SSID);
|
|
|
|
if(res == null){
|
|
res = new ArrayList<ScanResult>();
|
|
resultsMap.put(result.SSID, res);
|
|
}
|
|
|
|
res.add(result);
|
|
}
|
|
|
|
final int configsSize = configs.size();
|
|
for (int i = 0; i < configsSize; ++i){
|
|
WifiConfiguration config = configs.get(i);
|
|
if (config.selfAdded && config.numAssociation == 0) {
|
|
continue;
|
|
}
|
|
AccessPoint accessPoint = new AccessPoint(context, config);
|
|
final List<ScanResult> results = resultsMap.get(accessPoint.ssid);
|
|
|
|
accessPoint.setShowSummary(false);
|
|
if(results != null){
|
|
final int resultsSize = results.size();
|
|
for (int j = 0; j < resultsSize; ++j){
|
|
accessPoint.update(results.get(j));
|
|
accessPoint.setIcon(null);
|
|
}
|
|
}
|
|
|
|
accessPoints.add(accessPoint);
|
|
}
|
|
}
|
|
|
|
return accessPoints;
|
|
}
|
|
|
|
private void showDialog(AccessPoint accessPoint, boolean edit) {
|
|
if (mDialog != null) {
|
|
removeDialog(WifiSettings.WIFI_DIALOG_ID);
|
|
mDialog = null;
|
|
}
|
|
|
|
// Save the access point and edit mode
|
|
mDlgAccessPoint = accessPoint;
|
|
|
|
showDialog(WifiSettings.WIFI_DIALOG_ID);
|
|
}
|
|
|
|
@Override
|
|
public Dialog onCreateDialog(int dialogId) {
|
|
switch (dialogId) {
|
|
case WifiSettings.WIFI_DIALOG_ID:
|
|
if (mDlgAccessPoint == null) { // For re-launch from saved state
|
|
mDlgAccessPoint = new AccessPoint(getActivity(), mAccessPointSavedState);
|
|
// Reset the saved access point data
|
|
mAccessPointSavedState = null;
|
|
}
|
|
mSelectedAccessPoint = mDlgAccessPoint;
|
|
mDialog = new WifiDialog(getActivity(), this, mDlgAccessPoint,
|
|
false /* not editting */, true /* hide the submit button */);
|
|
return mDialog;
|
|
|
|
}
|
|
return super.onCreateDialog(dialogId);
|
|
}
|
|
|
|
@Override
|
|
public void onSaveInstanceState(Bundle outState) {
|
|
super.onSaveInstanceState(outState);
|
|
|
|
// If the dialog is showing, save its state.
|
|
if (mDialog != null && mDialog.isShowing()) {
|
|
if (mDlgAccessPoint != null) {
|
|
mAccessPointSavedState = new Bundle();
|
|
mDlgAccessPoint.saveWifiState(mAccessPointSavedState);
|
|
outState.putBundle(SAVE_DIALOG_ACCESS_POINT_STATE, mAccessPointSavedState);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onClick(DialogInterface dialogInterface, int button) {
|
|
if (button == WifiDialog.BUTTON_FORGET && mSelectedAccessPoint != null) {
|
|
mWifiManager.forget(mSelectedAccessPoint.networkId, null);
|
|
getPreferenceScreen().removePreference(mSelectedAccessPoint);
|
|
mSelectedAccessPoint = null;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference preference) {
|
|
if (preference instanceof AccessPoint) {
|
|
showDialog((AccessPoint) preference, false);
|
|
return true;
|
|
} else{
|
|
return super.onPreferenceTreeClick(screen, preference);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* For search.
|
|
*/
|
|
public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
|
|
new BaseSearchIndexProvider() {
|
|
@Override
|
|
public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) {
|
|
final List<SearchIndexableRaw> result = new ArrayList<SearchIndexableRaw>();
|
|
final Resources res = context.getResources();
|
|
final String title = res.getString(R.string.wifi_saved_access_points_titlebar);
|
|
|
|
// Add fragment title
|
|
SearchIndexableRaw data = new SearchIndexableRaw(context);
|
|
data.title = title;
|
|
data.screenTitle = title;
|
|
data.enabled = enabled;
|
|
result.add(data);
|
|
|
|
// Add available Wi-Fi access points
|
|
WifiManager wifiManager =
|
|
(WifiManager) context.getSystemService(Context.WIFI_SERVICE);
|
|
final List<AccessPoint> accessPoints =
|
|
constructSavedAccessPoints(context, wifiManager);
|
|
|
|
final int accessPointsSize = accessPoints.size();
|
|
for (int i = 0; i < accessPointsSize; ++i){
|
|
data = new SearchIndexableRaw(context);
|
|
data.title = accessPoints.get(i).getTitle().toString();
|
|
data.screenTitle = title;
|
|
data.enabled = enabled;
|
|
result.add(data);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
};
|
|
}
|