iOS7和iOS6适配，和保留之前的坐标编码习惯，不用刻意加减

//目的：用于iOS7和iOS6适配，和保留之前的坐标编码习惯，不用刻意加减

/*方法1：

*1.在vc中重写viewDidLayoutSubviews方法

*2.是用下面2个方法之一；

*3.frame为ios6风格，状态栏和导航栏为平铺

*4.bounds为ios7风格，状态栏和导航栏为覆盖

*5.优点，所有subview的坐标都一ios6的标准进行编写，支持push和present

*6.缺点，在push中每个vc都需要重写viewDidLayoutSubviews方法；

*/void IOS7ToIOS6ofFrame(UIViewController *vc);

void IOS7ToIOS6ofBounds(UIViewController *vc);

void IOS7ToIOS6ofFrame(UIViewController *vc){

if (IsIOS7) {

CGRect rect = vc.view.frame;

vc.view.frame = CGRectMake((rect.origin.x), (rect.origin.y+(IsIOS7?vc.topLayoutGuide.length:0)), (CGRectGetWidth(rect)), (CGRectGetHeight(rect)-(IsIOS7?vc.topLayoutGuide.length:0))); }}

void IOS7ToIOS6ofBounds(UIViewController *vc)

{

if (IsIOS7) {

CGRect rect = vc.view.bounds;

if (rect.origin.y != -1*vc.topLayoutGuide.length) {

vc.view.bounds = CGRectMake((rect.origin.x), (rect.origin.y+(IsIOS7?vc.topLayoutGuide.length*(-1):0)), (CGRectGetWidth(rect)), (CGRectGetHeight(rect))); }

}}

/*方法2:

*1.在vc的init或viewdidload中使用IOS7宏即可；

*2.状态栏和导航栏为平铺

*3.优点：所有subview的坐标都一ios6的标准进行编写，支持push，背景frame值同ios6

*4.缺点：在push中每个vc都需要写，不支持present；

*/#define IOS7 if([[[[UIDevice currentDevice] systemVersion] substringToIndex:1] intValue]>=7)

{ self.extendedLayoutIncludesOpaqueBars = NO;\

self.modalPresentationCapturesStatusBarAppearance =NO;

\self.edgesForExtendedLayout = UIRectEdgeNone;

}

/*方法3:

*1.使用self.navigationController.navigationBar.translucent =NO;

*2.状态栏和导航栏为平铺 *3.优点：所有subview的坐标都一ios6的标准进行编写，支持push，背景frame值同ios6，只需要设置一次

*4.缺点：必须有nav；对于present的vc必须为nav */

/*方法4:

*1.重新定义CGRECT;

*2.状态栏和导航栏为覆盖

*3.优点：随时可以用 */

#define IsIOS7 ([[[[UIDevice currentDevice] systemVersion] substringToIndex:1] intValue]>=7)

#define CGRECT_NO_NAV(x,y,w,h) CGRectMake((x), (y+(IsIOS7?20:0)), (w), (h))

#define CGRECT_HAVE_NAV(x,y,w,h) CGRectMake((x), (y+(IsIOS7?64:0)), (w), (h))