int rowIndex = 0;
boolean lastLineWasBlank = false;
String line;
PushbackBufferedReader reader = Connections.getConnection(context, conn).getReader();
Cell lastCell = null;
while((line=reader.readLine())!=null) {
boolean lineIsBlank = line.trim().length() == 0;
if(lineIsBlank) {
if(!lastLineWasBlank) {
rowIndex++;
}