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POGetting an active connection on a Blackberry
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  1. POGetting an active connection on a Blackberry
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    copied!<p>I get the connection parameters for my HTTP call using the code that follows below.</p> <p>It works on my test phones and emulators. However for some people (possibly just 9700 users, but I can't guarantee it) it causes <code>"Failed to transmit"</code> errors even when they have an otherwise working 3G/wifi connection. </p> <p>What am I doing wrong?</p> <pre><code> private String getConnectionParameters() { String strCP = null; int coverageStatus = CoverageInfo.getCoverageStatus(); if((coverageStatus &amp; CoverageInfo.COVERAGE_DIRECT) == CoverageInfo.COVERAGE_DIRECT) { // Carrier coverage String carrierUid = getCarrierBIBSUid(); if(carrierUid == null) { String wap2 = getWAP2ServiceRecord(); if (wap2 != null) { // Try using WAP2 strCP = ";deviceside=false;connectionUID="+wap2; } else { // Has carrier coverage, but not BIBS or WAP2. So use the carrier's TCP network strCP = ";deviceside=true"; } } else { // otherwise, use the Uid to construct a valid carrier BIBS request strCP = ";deviceside=false;connectionUID="+carrierUid + ";ConnectionType=mds-public"; } } else if((coverageStatus &amp; CoverageInfo.COVERAGE_MDS) == CoverageInfo.COVERAGE_MDS) { // MDS coverage found strCP = ";deviceside=false"; } else if((WLANInfo.getWLANState() == WLANInfo.WLAN_STATE_CONNECTED) &amp;&amp; RadioInfo.areWAFsSupported(RadioInfo.WAF_WLAN)) { // Device is connected via Wifi strCP = ";interface=wifi"; } else if(coverageStatus == CoverageInfo.COVERAGE_NONE) { // There is no available connection strCP = ""; } else { // no other options found, assuming device strCP = ";deviceside=true"; } return strCP; } private String getCarrierBIBSUid() { ServiceRecord[] records = ServiceBook.getSB().getRecords(); for(int i = 0; i &lt; records.length; i++) { if(records[i].getCid().toLowerCase().equals("ippp")) { if(records[i].getName().toLowerCase().indexOf("bibs") &gt;= 0) { return records[i].getUid(); } } } return null; } private String getWAP2ServiceRecord() { ServiceBook sb = ServiceBook.getSB(); ServiceRecord[] records = sb.getRecords(); for (int i = 0; i &lt; records.length; i++) { String cid = records[i].getCid().toLowerCase(); String uid = records[i].getUid().toLowerCase(); if ((cid.indexOf("wptcp") != -1) &amp;&amp; (uid.indexOf("wifi") == -1) &amp;&amp; (uid.indexOf("mms") == -1)) { return records[i].getUid(); } } return null; } </code></pre>
 

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