/**
* Configure a network, and connect to it.
*
* @param wifiMgr
* @param scanResult
* @param password Password for secure network or is ignored.
* @return
*/
public boolean connectToNewNetwork(
ScanResult scanResult, String password, int numOpenNetworksKept) {
final String security = ConfigSec.getScanResultSecurity(scanResult);
if (ConfigSec.isOpenNetwork(security)) {
checkForExcessOpenNetworkAndSave(numOpenNetworksKept);
}
WifiConfiguration config = new WifiConfiguration();
config.SSID = convertToQuotedString(scanResult.SSID);
config.BSSID = scanResult.BSSID;
ConfigSec.setupSecurity(config, security, password);
int id = -1;
try {
id = mWifiManager.addNetwork(config);
} catch (NullPointerException e) {
Log.e(TAG, "Weird!! Really!! What's wrong??", e);
}
if (id == -1) {
return false;
}
if (!mWifiManager.saveConfiguration()) {
return false;
}
config = getWifiConfiguration(config, security);
if (config == null) {
return false;
}
return connectToConfiguredNetwork(config, 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;
}
