菜鸟新闻2--设置沉浸式状态栏

protected void setStatusBar() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        final ViewGroup linear_bar = (ViewGroup) findViewById(R.id.bar_layout);
        final int statusHeight = getStatusBarHeight();
        linear_bar.post(new Runnable() {
            @Override
            public void run() {
                int titleHeight = linear_bar.getHeight();
                android.widget.LinearLayout.LayoutParams params = (android.widget.LinearLayout.LayoutParams) linear_bar.getLayoutParams();
                params.height = statusHeight + titleHeight;
                linear_bar.setLayoutParams(params);
            }
        });
    }
}