当应用程序在设备上运行时，您需要在 url 末尾使用不同的连接参数。
例如。如果是 wifi，您需要在 URL 的末尾附加;interface=wifi" 。
详细代码为：需要根据设备网络调用getConnectionString()获取连接后缀。我希望这能解决你的问题。
/**
* @return connection string
*/
static String getConnectionString()
{
// This code is based on the connection code developed by Mike Nelson of AccelGolf.
// http://blog.accelgolf.com/2009/05/22/blackberry-cross-carrier-and-cross-network-http-connection
String connectionString = null;
// Simulator behavior is controlled by the USE_MDS_IN_SIMULATOR variable.
if(DeviceInfo.isSimulator())
{
// logMessage("Device is a simulator and USE_MDS_IN_SIMULATOR is true");
connectionString = ";deviceside=true";
}
// Wifi is the preferred transmission method
else if(WLANInfo.getWLANState() == WLANInfo.WLAN_STATE_CONNECTED)
{
// logMessage("Device is connected via Wifi.");
connectionString = ";interface=wifi";
}
// Is the carrier network the only way to connect?
else if((CoverageInfo.getCoverageStatus() & CoverageInfo.COVERAGE_DIRECT) == CoverageInfo.COVERAGE_DIRECT)
{
//logMessage("Carrier coverage.");
String carrierUid = getCarrierBIBSUid();
if(carrierUid == null)
{
// Has carrier coverage, but not BIBS. So use the carrier's TCP network
// logMessage("No Uid");
connectionString = ";deviceside=true";
}
else
{
// otherwise, use the Uid to construct a valid carrier BIBS request
// logMessage("uid is: " + carrierUid);
connectionString = ";deviceside=false;connectionUID="+carrierUid + ";ConnectionType=mds-public";
}
}
// Check for an MDS connection instead (BlackBerry Enterprise Server)
else if((CoverageInfo.getCoverageStatus() & CoverageInfo.COVERAGE_MDS) == CoverageInfo.COVERAGE_MDS)
{
// logMessage("MDS coverage found");
connectionString = ";deviceside=false";
}
// If there is no connection available abort to avoid bugging the user unnecssarily.
else if(CoverageInfo.getCoverageStatus() == CoverageInfo.COVERAGE_NONE)
{
//logMessage("There is no available connection.");
}
// In theory, all bases are covered so this shouldn't be reachable.
else
{
//logMessage("no other options found, assuming device.");
connectionString = ";deviceside=true";
}
return connectionString;
}
/**
* Looks through the phone's service book for a carrier provided BIBS network
* @return The uid used to connect to that network.
*/
private static String getCarrierBIBSUid()
{
ServiceRecord[] records = ServiceBook.getSB().getRecords();
int currentRecord;
for(currentRecord = 0; currentRecord < records.length; currentRecord++)
{
if(records[currentRecord].getCid().toLowerCase().equals("ippp"))
{
if(records[currentRecord].getName().toLowerCase().indexOf("bibs") >= 0)
{
return records[currentRecord].getUid();
}
}
}
return null;
}