Vibrate after a screenshot is taken, not before.

     * Takes a screenshot and save it to the given location.

     */

    private static boolean takeScreenshot(Context context, String screenshotFile) {

        ((Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE))

                .vibrate(150);

        final ProcessBuilder screencap = new ProcessBuilder()

                .command("/system/bin/screencap", "-p", screenshotFile);

        Log.d(TAG, "Taking screenshot using " + screencap.command());

        try {

            final int exitValue = screencap.start().waitFor();

            if (exitValue == 0) {

                ((Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE)).vibrate(150);

                return true;

            }

            Log.e(TAG, "screencap (" + screencap.command() + ") failed: " + exitValue);