获取statusBar高度

public int getStatusBarHeight(Context context) {
Class c = null;
Object obj = null;
Field field = null;

int x = 0;

               int statusBarHeight = 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());
statusBarHeight = context.getResources().getDimensionPixelSize(x);
} catch (Exception e1) {
e1.printStackTrace();
}
return statusBarHeight;
}