getLine static method
Get the number of lines in the current call log.
Implementation
static String getLine(StackTrace stackTrace) {
final String outPut = stackTrace.toString().split('\n')[1];
final int lineStart = outPut.indexOf(RegExp(r'[0-9]+:'), 1);
final int lineEnd = outPut.indexOf(RegExp(r':[0-9]'), lineStart);
return outPut.substring(lineStart, lineEnd);
}