Runtime.exec

RuntimeSample.java

public void onCLick(View view) {
    String cmd = "monkey -p com.google.android.calculator --throttle 200 -v 10000";
    try {
        final Process p = Runtime.getRuntime().exec(cmd);
        new Thread(() -> {
            try {
                InputStreamReader isr = new InputStreamReader (p.getInputStream());
                BufferedReader br = new BufferedReader(isr);
                while (true) {
                    String s = br.readLine ();
                    if (s == null) break;
                    System.out.println (s);
                }
                p.getInputStream().close ();
            } catch (Exception ex) {
                System.out.println ("Problem reading stream getInputStream: " + ex);
                ex.printStackTrace ();
            }
        }).run();
        new Thread(() -> {
            try {
                InputStreamReader isr = new InputStreamReader (p.getErrorStream());
                BufferedReader br = new BufferedReader(isr);
                while (true) {
                    String s = br.readLine ();
                    if (s == null) break;
                    System.out.println (s);
                }
                p.getInputStream().close ();
            } catch (Exception ex) {
                System.out.println ("Problem reading stream getErrorStream: " + ex);
                ex.printStackTrace ();
            }
        }).run();
        p.waitFor();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}