printstacktrace's output can be seen in the DDMS ->Logcat view
Please use Log for printing Log's.The message types, and their related method calls are:
The Log.e() method is used to log errors.
The Log.w() method is used to log warnings.
The Log.i() method is used to log informational messages.
The Log.d() method is used to log debug messages.
The Log.v() method is used to log verbose messages.
The Log.wtf() method is used to log terrible failures that should never happen. (“WTF” stands for “What a Terrible Failure!” of course.)
To see Log output go to DDMS > LogCat