iOS15屏幕适配

ios15 屏幕适配

一般我都是写一个类管理

#import <UIKit/UIKit.h>

NS_ASSUME_NONNULL_BEGIN

@interface LJUIManager : NSObject

@property(nonatomic,assign,readonly) UIEdgeInsets safeAreaInset;
@property(nonatomic,assign,readonly)BOOL isHairHead;
+(instancetype)sharedManager;
-(UIWindow *)keyWindow;
@end

NS_ASSUME_NONNULL_END
#import "LJUIManager.h"

@implementation LJUIManager
+ (instancetype)sharedManager{
    static dispatch_once_t onceToken;
   static LJUIManager *  mager = nil;
    dispatch_once(&onceToken, ^{
        if(mager == nil){
            mager = [[LJUIManager alloc]init];
        }
     
    });
    return mager;
}
- (UIWindow *)keyWindow{
    return  [UIApplication sharedApplication].keyWindow;
}

- (UIEdgeInsets)safeAreaInset{
    if(@available(iOS 11.0,*)){
        if (self.keyWindow){
            return self.keyWindow.safeAreaInsets;
        }
    }
    return UIEdgeInsetsZero;
}
- (BOOL)isHairHead{
    if(UIInterfaceOrientationIsLandscape([UIApplication sharedApplication].statusBarOrientation)){
        return  self.safeAreaInset.left > 0.0f;
    }else{
        //ios 12 非刘海屏 状态栏 20.0f
        
        return self.safeAreaInset.top > 20.0f;
    }
    
}
@end

pch文件


//判断是否是ipad
#define isPad ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
//判断iPhone4系列
#define kiPhone4 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
//判断iPhone5系列
#define kiPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
//判断iPhone6系列
#define kiPhone6 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(750, 1334), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
//判断iphone6+系列
#define kiPhone6Plus ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2208), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
//判断iPhoneX
#define IS_IPHONE_X ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1125, 2436), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
//判断iPHoneXr
#define IS_IPHONE_Xr ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(828, 1792), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
//判断iPhoneXs
#define IS_IPHONE_Xs ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1125, 2436), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)
//判断iPhoneXs Max
#define IS_IPHONE_Xs_Max ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2688), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)

//iPhoneX系列
#define Height_StatusBar ((IS_IPHONE_X==YES || IS_IPHONE_Xr ==YES || IS_IPHONE_Xs== YES || IS_IPHONE_Xs_Max== YES) ? 44.0 : 20.0)
#define Height_NavBar ((IS_IPHONE_X==YES || IS_IPHONE_Xr ==YES || IS_IPHONE_Xs== YES || IS_IPHONE_Xs_Max== YES) ? 88.0 : 64.0)
#define Height_TabBar ((IS_IPHONE_X==YES || IS_IPHONE_Xr ==YES || IS_IPHONE_Xs== YES || IS_IPHONE_Xs_Max== YES) ? 83.0 : 49.0)

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