不使用AutoLayout快速兼容适配iPhone6/6 Plus

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@property float
autoSizeScaleX;

@property float
autoSizeScaleY;

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#define ScreenHeight [[UIScreen mainScreen] bounds].size.height//获取屏幕高度，兼容性测试

#define ScreenWidth [[UIScreen mainScreen] bounds].size.width//获取屏幕宽度，兼容性测试

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    AppDelegate *myDelegate = [[UIApplication sharedApplication] delegate];

    if(ScreenHeight > 480){

        myDelegate.autoSizeScaleX = ScreenWidth/320;

        myDelegate.autoSizeScaleY = ScreenHeight/568;

    }else{

        myDelegate.autoSizeScaleX = 1.0;

        myDelegate.autoSizeScaleY = 1.0;

    }

}

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UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake1(100, 100, 50, 50)];

CG_INLINE CGRect//注意：这里的代码要放在.m文件最下面的位置

CGRectMake1(CGFloat x, CGFloat y, CGFloat width, CGFloat height)

{

    AppDelegate *myDelegate = [[UIApplication sharedApplication] delegate];

    CGRect rect;

    rect.origin.x = x * myDelegate.autoSizeScaleX; rect.origin.y = y * myDelegate.autoSizeScaleY;

    rect.size.width = width * myDelegate.autoSizeScaleX; rect.size.height = height * myDelegate.autoSizeScaleY;

    return
rect;

}