Merge change Ie417158c

                final float[] values = new float[3];

                final int[] status = new int[1];

                final long timestamp[] = new long[1];

                Process.setThreadPriority(Process.THREAD_PRIORITY_DISPLAY);

                Process.setThreadPriority(Process.THREAD_PRIORITY_URGENT_DISPLAY);

                if (!open()) {

                    return;