public WifiConfiguration getWifiConfiguration(WifiConfiguration configToFind, String security) {
final String ssid = configToFind.SSID;
if (ssid.length() == 0) {
return null;
}
final String bssid = configToFind.BSSID;
if (security == null) {
security = ConfigSec.getWifiConfigurationSecurity(configToFind);
}
final List<WifiConfiguration> configurations = mWifiManager.getConfiguredNetworks();
for (final WifiConfiguration config : configurations) {
if (config.SSID == null || !ssid.equals(config.SSID)) {
continue;
}
if (config.BSSID == null || bssid == null || bssid.equals(config.BSSID)) {
final String configSecurity = ConfigSec.getWifiConfigurationSecurity(config);
if (security.equals(configSecurity)) {
return config;
}
}
}
return null;
}
public WifiConfiguration getWifiConfiguration(final ScanResult hotsopt, String hotspotSecurity) {
final String ssid = convertToQuotedString(hotsopt.SSID);
if (ssid.length() == 0) {
return null;
}
final String bssid = hotsopt.BSSID;
if (bssid == null) {
return null;
}
if (hotspotSecurity == null) {
hotspotSecurity = ConfigSec.getScanResultSecurity(hotsopt);
}
final List<WifiConfiguration> configurations = mWifiManager.getConfiguredNetworks();
if (configurations == null) {
return null;
}
for (final WifiConfiguration config : configurations) {
if (config.SSID == null || !ssid.equals(config.SSID)) {
continue;
}
if (config.BSSID == null || bssid.equals(config.BSSID)) {
final String configSecurity = ConfigSec.getWifiConfigurationSecurity(config);
if (hotspotSecurity.equals(configSecurity)) {
return config;
}
}
}
return null;
}
/**
* Change the password of an existing configured network and connect to it
*
* @param wifiMgr
* @param config
* @param newPassword
* @return
*/
public boolean changePasswordAndConnect(
WifiConfiguration config, String newPassword, int numOpenNetworksKept) {
ConfigSec.setupSecurity(config, ConfigSec.getWifiConfigurationSecurity(config), newPassword);
final int networkId = mWifiManager.updateNetwork(config);
if (networkId == -1) {
// Update failed.
return false;
}
// Force the change to apply.
mWifiManager.disconnect();
return connectToConfiguredNetwork(config, true);
}
/**
* Connect to a configured network.
*
* @param wifiManager
* @param config
* @param numOpenNetworksKept Settings.Secure.WIFI_NUM_OPEN_NETWORKS_KEPT
* @return
*/
public boolean connectToConfiguredNetwork(WifiConfiguration config, boolean reassociate) {
final String security = ConfigSec.getWifiConfigurationSecurity(config);
int oldPri = config.priority;
// Make it the highest priority.
int newPri = getMaxPriority() + 1;
if (newPri > MAX_PRIORITY) {
newPri = shiftPriorityAndSave();
config = getWifiConfiguration(config, security);
if (config == null) {
return false;
}
}
// Set highest priority to this configured network
config.priority = newPri;
int networkId = mWifiManager.updateNetwork(config);
if (networkId == -1) {
return false;
}
// Do not disable others
if (!mWifiManager.enableNetwork(networkId, false)) {
config.priority = oldPri;
return false;
}
if (!mWifiManager.saveConfiguration()) {
config.priority = oldPri;
return false;
}
// We have to retrieve the WifiConfiguration after save.
config = getWifiConfiguration(config, security);
if (config == null) {
return false;
}
// ReenableAllApsWhenNetworkStateChanged.schedule(mContext);
// Disable others, but do not save.
// Just to force the WifiManager to connect to it.
if (!mWifiManager.enableNetwork(config.networkId, true)) {
return false;
}
final boolean connect = reassociate ? mWifiManager.reassociate() : mWifiManager.reconnect();
if (!connect) {
return false;
}
return true;
}
/**
* Ensure no more than numOpenNetworksKept open networks in configuration list.
*
* @param wifiMgr
* @param numOpenNetworksKept
* @return Operation succeed or not.
*/
private boolean checkForExcessOpenNetworkAndSave(int numOpenNetworksKept) {
final List<WifiConfiguration> configurations = mWifiManager.getConfiguredNetworks();
sortByPriority(configurations);
boolean modified = false;
int tempCount = 0;
for (int i = configurations.size() - 1; i >= 0; i--) {
final WifiConfiguration config = configurations.get(i);
if (ConfigSec.isOpenNetwork(ConfigSec.getWifiConfigurationSecurity(config))) {
tempCount++;
if (tempCount >= numOpenNetworksKept) {
modified = true;
mWifiManager.removeNetwork(config.networkId);
}
}
}
if (modified) {
return mWifiManager.saveConfiguration();
}
return true;
}
