android获取状态栏高度

/**

      *

      * 获取状态栏高度

      */

     public static int getStatusHeight(Activity activity) {

           int statusHeight = 0;

          Rect localRect = new Rect();

          activity.getWindow().getDecorView()

                   .getWindowVisibleDisplayFrame(localRect);

           statusHeight = localRect.top;

           if (0 == statusHeight) {

              Class<?> localClass;

               try {

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

                   Object localObject = localClass.newInstance();

                    int i5 = Integer.parseInt(localClass

                             .getField( "status_bar_height").get(localObject)

                             .toString());

                    statusHeight = activity.getResources()

                             .getDimensionPixelSize(i5);

              } catch (Exception e) {

                   e.printStackTrace();

              }

          }

           return statusHeight;

     }