利用反射收起通知栏

/**
     * Collapse status panel
     * 
     * @param context
     *            the context used to fetch status bar manager
     */
     public static void collapseStatusBar(Context context) {
        try {
            Object statusBarManager = context.getSystemService("statusbar");
            Method collapse;

            if (Build.VERSION.SDK_INT <= 16) {
                collapse = statusBarManager.getClass().getMethod("collapse");
            } else {
                collapse = statusBarManager.getClass().getMethod("collapsePanels");
            }
            collapse.invoke(statusBarManager);
        } catch (Exception localException) {
            localException.printStackTrace();
        }
    }

原文链接：http://www.androideng.com/?p=1069