Getting UI performance data using FrameMetrics - Android N preview

FrameMetrics.java

final FrameMetrics[] metrics = {null};
        Window window = getActivity().getWindow();
        Handler mHandler = new Handler();
        window.addOnFrameMetricsAvailableListener(new Window.OnFrameMetricsAvailableListener() {
            @Override
            public void onFrameMetricsAvailable(Window window, FrameMetrics frameMetrics, int i) {
                metrics[0] = new FrameMetrics(frameMetrics);
            }
        },mHandler);

        mHandler.postDelayed(new Runnable() {
            @Override
            public void run() {
              // Send this data to custom analytcis
                Log.d("Metrics", "ANIMATION_DURATION: " + metrics[0].getMetric((FrameMetrics.ANIMATION_DURATION))/Math.pow(10,6));
                Log.d("Metrics", "COMMAND_ISSUE_DURATION: " + metrics[0].getMetric(FrameMetrics.COMMAND_ISSUE_DURATION)/Math.pow(10,6));
                Log.d("Metrics", "DRAW_DURATION: " + metrics[0].getMetric(FrameMetrics.DRAW_DURATION)/Math.pow(10,6));
                Log.d("Metrics", "FIRST_DRAW_FRAME: " + metrics[0].getMetric(FrameMetrics.FIRST_DRAW_FRAME)/Math.pow(10,6));
                Log.d("Metrics", "INPUT_HANDLING_DURATION: " + metrics[0].getMetric(FrameMetrics.INPUT_HANDLING_DURATION)/Math.pow(10,6));
                Log.d("Metrics", "LAYOUT_MEASURE_DURATION: " + metrics[0].getMetric(FrameMetrics.LAYOUT_MEASURE_DURATION)/Math.pow(10,6));
                Log.d("Metrics", "SWAP_BUFFERS_DURATION: " + metrics[0].getMetric(FrameMetrics.SWAP_BUFFERS_DURATION)/Math.pow(10,6));
                Log.d("Metrics", "SYNC_DURATION: " + metrics[0].getMetric(FrameMetrics.SYNC_DURATION)/Math.pow(10,6));
                Log.d("Metrics", "TOTAL_DURATION: " + metrics[0].getMetric(FrameMetrics.TOTAL_DURATION)/Math.pow(10,6));
                Log.d("Metrics", "UNKNOWN_DELAY_DURATION: " + metrics[0].getMetric(FrameMetrics.UNKNOWN_DELAY_DURATION)/Math.pow(10,6));
                );
            }
        }, 4000);