有效获取状态栏(StatusBar)高度

Class<?> c = null;

Object obj = null;

Field field = null;

int x = 0, sbar = 0;

try {

    c = Class.forName("com.android.internal.R$dimen");

    obj = c.newInstance();

    field = c.getField("status_bar_height");

    x = Integer.parseInt(field.get(obj).toString());

    sbar = getResources().getDimensionPixelSize(x);

} catch (Exception e1) {

    loge("get status bar height fail");

    e1.printStackTrace();

}