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ios 11和iphone x的相關(guān)適配問題及解決方法

發(fā)布時(shí)間：2020-09-21 07:08:08 來源：腳本之家 閱讀：197 作者：楊克進(jìn) 欄目：移動(dòng)開發(fā)

有關(guān)iOS11 ,最大的變化就是增加了一個(gè)安全區(qū)域（safeArea）的概念，iOS11 適配的大部分問題都是由于它引起的。

在ios 11中，tableView會(huì)莫名偏移，解決辦法：

//解決iOS11 tableview會(huì)出現(xiàn)漂移,預(yù)估高度都設(shè)為0 
 self.tableView.estimatedRowHeight = 0; 
 self.tableView.estimatedSectionHeaderHeight = 0; 
 self.tableView.estimatedSectionFooterHeight = 0;

解決scrollView，默認(rèn)位移了，解決辦法：

-(void)setScrollViewContentInsetAdjustmentBehavior:(UIScrollView *)scrollView { 
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 
 if(@available(iOS 11.0, *)) { 
  if ([scrollView respondsToSelector:@selector(setContentInsetAdjustmentBehavior:)]) { 
   scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever; 
  } 
 } 
#endif 
}

關(guān)于iphone x適配，封裝了一個(gè)類：代碼如下：

ScreenTool.h

#import <Foundation/Foundation.h> 
#import <UIKit/UIKit.h> 
#define ViewSafeAreaInsets(view) [ScreenToolSharedInstance getViewSafeAreaInsets:view] 
#define WindowSafeAreaInsets [ScreenToolSharedInstance getWindowSafeAreaInsets] 
#define Screen_height [[UIScreen mainScreen] bounds].size.height 
#define Screen_width [[UIScreen mainScreen] bounds].size.width 
#define ScreenToolSharedInstance [ScreenTool sharedInstance] 
#define NavAndStatusBarHeight [ScreenToolSharedInstance getNavAndStatusBarHeight] 
#define TabBarAndVirtualHomeHeight [ScreenToolSharedInstance getTabBarAndVirtualHomeHeight] 
#define StatusBarHeight [ScreenToolSharedInstance getStatusBarHeight] 
#define NavContentHeight [ScreenToolSharedInstance getNavContentHeight] 
#define TabBarContentHeight [ScreenToolSharedInstance getTabBarContentHeight] 
#define ScrollViewContentInsetAdjustmentBehavior(scrollView) [ScreenToolSharedInstance setScrollViewContentInsetAdjustmentBehavior:scrollView] 
typedef NS_ENUM(NSUInteger, DeviceScreenType) {//設(shè)備屏幕類型 
 DeviceTypeIphone4Screen, 
 DeviceTypeIphone5Screen, 
 DeviceTypeIphone6Screen, 
 DeviceTypeIphone6PlusScreen, 
 DeviceTypeIphoneXScreen, 
 DeviceTypeOtherScreen 
}; 
typedef NS_ENUM(NSUInteger, DeviceOrientationType) {//屏幕方向類型 
 DeviceOrientationTypeHorizontalScreen, 
 DeviceOrientationTypeVerticalScreen, 
 DeviceOrientationTypeOther 
}; 
@interface ScreenTool : NSObject 
@property(nonatomic,unsafe_unretained)BOOL isAccordingToSafeArea; 
-(void)setScrollViewContentInsetAdjustmentBehavior:(UIScrollView *)scrollView; 
+(ScreenTool *)sharedInstance; 
+(BOOL)isSmallScreen; 
-(UIEdgeInsets)getWindowSafeAreaInsets; 
-(UIEdgeInsets)getViewSafeAreaInsets:(UIView *)view; 
-(NSString *)getDevice; 
-(DeviceScreenType)getDeviceType; 
-(DeviceOrientationType)getDeviceOrientationType; 
-(CGFloat)getNavAndStatusBarHeight; 
-(CGFloat)getTabBarAndVirtualHomeHeight; 
-(CGFloat)getTabBarContentHeight; 
-(CGFloat)getNavContentHeight; 
-(CGFloat)getStatusBarHeight; 
@end 
ScreenTool.m
[objc] view plain copy
#import "ScreenTool.h" 
@implementation ScreenTool 
-(instancetype)init{ 
 if (self = [super init]) { 
  self.isAccordingToSafeArea = YES; 
 } 
 return self; 
} 
+(ScreenTool *)sharedInstance { 
 static dispatch_once_t pred = 0; 
 __strong static id screenTool = nil; 
 dispatch_once(&pred, ^{ 
  screenTool = [[self alloc] init]; 
 }); 
 return screenTool; 
} 
-(void)setScrollViewContentInsetAdjustmentBehavior:(UIScrollView *)scrollView { 
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 
 if(@available(iOS 11.0, *)) { 
  if ([scrollView respondsToSelector:@selector(setContentInsetAdjustmentBehavior:)]) { 
   scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever; 
  } 
 } 
#endif 
} 
-(UIEdgeInsets)getWindowSafeAreaInsets { 
 UIEdgeInsets i = UIEdgeInsetsZero; 
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 
 if(@available(iOS 11.0, *)) { 
  i = [UIApplication sharedApplication].keyWindow.safeAreaInsets; 
 } 
#endif 
 return i; 
} 
-(UIEdgeInsets)getViewSafeAreaInsets:(UIView *)view { 
 UIEdgeInsets i = UIEdgeInsetsZero; 
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 
 if(@available(iOS 11.0, *)) { 
  i = view.safeAreaInsets; 
 } 
#endif 
 return i; 
} 
-(NSString *)getDevice { 
 if ((Screen_width == 320 && Screen_height == 480) || (Screen_height == 320 && Screen_width == 480)) { 
  return @"4"; 
 }else if ((Screen_width == 320 && Screen_height == 568) || (Screen_height == 320 && Screen_width == 568)) { 
  return @"5"; 
 }else if ((Screen_width == 375 && Screen_height == 667) || (Screen_height == 375 && Screen_width == 667)) { 
  return @"6"; 
 }else if ((Screen_width == 375 && Screen_height == 812) || (Screen_height == 375 && Screen_width == 812)) { 
  return @"x"; 
 }else if ((Screen_width == 414 && Screen_height == 736) || (Screen_height == 414 && Screen_width == 736)) { 
  return @"6p"; 
 }else { 
  return @""; 
 } 
} 
-(DeviceScreenType)getDeviceType { 
 if ((Screen_width == 320 && Screen_height == 480) || (Screen_height == 320 && Screen_width == 480)) { 
  return DeviceTypeIphone4Screen; 
 }else if ((Screen_width == 320 && Screen_height == 568) || (Screen_height == 320 && Screen_width == 568)) { 
  return DeviceTypeIphone5Screen; 
 }else if ((Screen_width == 375 && Screen_height == 667) || (Screen_height == 375 && Screen_width == 667)) { 
  return DeviceTypeIphone6Screen; 
 }else if ((Screen_width == 375 && Screen_height == 812) || (Screen_height == 375 && Screen_width == 812)) { 
  return DeviceTypeIphoneXScreen; 
 }else if ((Screen_width == 414 && Screen_height == 736) || (Screen_height == 414 && Screen_width == 736)) { 
  return DeviceTypeIphone6PlusScreen; 
 }else { 
  return DeviceTypeOtherScreen; 
 } 
} 
-(DeviceOrientationType)getDeviceOrientationType { 
 if ([[UIDevice currentDevice] orientation] == UIDeviceOrientationPortrait || [[UIDevice currentDevice] orientation] == UIDeviceOrientationPortraitUpsideDown) { 
  return DeviceOrientationTypeVerticalScreen; 
 } else if ([[UIDevice currentDevice] orientation] == UIDeviceOrientationLandscapeLeft || [[UIDevice currentDevice] orientation] == UIDeviceOrientationLandscapeRight) { 
  return DeviceOrientationTypeHorizontalScreen; 
 }else { 
  return DeviceOrientationTypeOther; 
 } 
} 
+(BOOL)isSmallScreen{ 
 if (Screen_width >=375 && Screen_height >= 667) { 
  return NO; 
 }else { 
  return YES; 
 } 
} 
-(CGFloat)getTabBarContentHeight { 
 if (!UIEdgeInsetsEqualToEdgeInsets(UIEdgeInsetsZero, WindowSafeAreaInsets)) { 
  //if ([self getDeviceType] == DeviceTypeIphoneXScreen) { 
  if ([self getDeviceOrientationType] == DeviceOrientationTypeHorizontalScreen) { 
   if (self.isAccordingToSafeArea) { 
    return 32; 
   }else { 
    return 49; 
   } 
  }else { 
   return 49; 
  } 
 }else { 
  return 49; 
 } 
} 
-(CGFloat)getNavContentHeight { 
 if (!UIEdgeInsetsEqualToEdgeInsets(UIEdgeInsetsZero, WindowSafeAreaInsets)) { 
  // } 
  // if ([self getDeviceType] == DeviceTypeIphoneXScreen) { 
  if ([self getDeviceOrientationType] == DeviceOrientationTypeHorizontalScreen) { 
   if (self.isAccordingToSafeArea) { 
    return 32; 
   }else { 
    return 44; 
   } 
  }else { 
   return 44; 
  } 
 }else { 
  return 44; 
 } 
} 
-(CGFloat)getStatusBarHeight { 
 return [[UIApplication sharedApplication] statusBarFrame].size.height; 
} 
-(CGFloat)getNavAndStatusBarHeight { 
 return [self getNavContentHeight]+[self getStatusBarHeight]; 
} 
-(CGFloat)getTabBarAndVirtualHomeHeight { 
 return [self getTabBarContentHeight]+WindowSafeAreaInsets.bottom; 
} 
@end

總結(jié)

以上所述是小編給大家介紹的ios 11和iphone x的相關(guān)適配問題及解決方法，希望對(duì)大家有所幫助，如果大家有任何疑問請給我留言，小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對(duì)億速云網(wǎng)站的支持！

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