As a coder, I am always handling exceptions or errors,or in a word throwables. To impove the release build, I need to collect every throwable information.
And I need to get the information as string and post it to the Bug Collect Server. Now here is an easy trick to get stacktrace from a Throwable

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private String getStackTrace(Throwable t) {

    final Writer result = new StringWriter();
    final PrintWriter printWriter = new PrintWriter(result);
    t.printStackTrace(printWriter);
    return result.toString();
}

Others

• Java Exception Handling