Logging Heap info in Android

HeapInfo.java

    /**
     * Logging Heap Info for Android
     * @source <a href="http://stackoverflow.com/a/8018476/918211">StackOverflow Thread</a>
     */
    public static void logHeap(Class clazz) {
        final String APP = "MyApp";
        Double allocated = new Double(Debug.getNativeHeapAllocatedSize())/1048576d;
        Double available = new Double(Debug.getNativeHeapSize())/1048576.0d;
        Double free = new Double(Debug.getNativeHeapFreeSize())/1048576.0d;
        DecimalFormat df = new DecimalFormat();
        df.setMaximumFractionDigits(2);
        df.setMinimumFractionDigits(2);

        Log.d(APP, "debug. =================================");
        Log.d(APP, "debug.heap native: allocated " + df.format(allocated) + "MB of " + df.format(available) + "MB (" + df.format(free) + "MB free) in [" + clazz.getName().replaceAll("com.myapp.android.","") + "]");
        Log.d(APP, "debug.memory: allocated: " + df.format(new Double(Runtime.getRuntime().totalMemory() / 1048576)) + "MB of " + df.format(new Double(Runtime.getRuntime().maxMemory() / 1048576)) + "MB (" + df.format(new Double(Runtime.getRuntime().freeMemory() / 1048576)) + "MB free)");
        System.gc();
        System.gc();

        // don't need to add the following lines, it's just an app specific handling in my app        
        if (allocated>=(new Double(Runtime.getRuntime().maxMemory())/new Double((1048576))-MEMORY_BUFFER_LIMIT_FOR_RESTART)) {
            android.os.Process.killProcess(android.os.Process.myPid());
        }
    }