android clear log programmatically

Question

I want to get the whole log (Log.d(...)), after pressing a button to analyse some parts of our app (count something...). I\'m able to do this by the following code:

Answer 1

This code has worked for me in the past:

Process process = new ProcessBuilder()
     .command("logcat", "-c")
     .redirectErrorStream(true)
     .start();

Answer 2

This code has worked for me correctly which is put into @After case

     Process process = new ProcessBuilder()
        .command("logcat", "-c")
        .redirectErrorStream(true)
        .start();