用iOS代码获取APP启动页图片

内容摘要
用代码获取APP启动页图片




//
// AppleSystemService.swift
// Swift-Animations
//
// Created by YouXianMing on 16/8/11.
// Copyright © 2016年 YouXianMing.
文章正文

用代码获取APP启动页图片 

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//
// AppleSystemService.swift
// Swift-Animations
//
// Created by YouXianMing on 16/8/11.
// Copyright © 2016年 YouXianMing. All rights reserved.
//
 
import UIKit
 
class AppleSystemService : NSObject {
  
 /**
  Get the lauch image.
   
  - returns: The lauch image.
  */
 class func launchImage() -> UIImage {
   
  var lauchImage  : UIImage!
  var viewOrientation : String!
  let viewSize  = UIScreen.mainScreen().bounds.size
  let orientation  = UIApplication.sharedApplication().statusBarOrientation
   
  if orientation == .LandscapeLeft || orientation == .LandscapeRight {
    
   viewOrientation = "Landscape"
    
  } else {
    
   viewOrientation = "Portrait"
  }
   
  let imagesInfoArray = NSBundle.mainBundle().infoDictionary!["UILaunchImages"]
  for dict : Dictionary <String, String> in imagesInfoArray as! Array {
    
   let imageSize = CGSizeFromString(dict["UILaunchImageSize"]!)
   if CGSizeEqualToSize(imageSize, viewSize) && viewOrientation == dict["UILaunchImageOrientation"]! as String {
     
    lauchImage = UIImage(named: dict["UILaunchImageName"]!)
   }
  }
   
  return lauchImage
 }
}

源码 - Objective-C 

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//
// AppleSystemService.h
// AppleSystemService
//
// Created by YouXianMing on 16/7/2.
// Copyright © 2016年 YouXianMing. All rights reserved.
//
 
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
 
@interface AppleSystemService : NSObject
 
/**
 * Get the lauch image.
 *
 * @return The lauch image.
 */
+ (UIImage *)launchImage;
 
@end
 
 
 
//
// AppleSystemService.m
// AppleSystemService
//
// Created by YouXianMing on 16/7/2.
// Copyright © 2016年 YouXianMing. All rights reserved.
//
 
#import "AppleSystemService.h"
 
@implementation AppleSystemService
 
+ (UIImage *)launchImage {
 
 UIImage    *lauchImage  = nil;
 NSString    *viewOrientation = nil;
 CGSize     viewSize  = [UIScreen mainScreen].bounds.size;
 UIInterfaceOrientation orientation  = [[UIApplication sharedApplication] statusBarOrientation];
  
 if (orientation == UIInterfaceOrientationLandscapeLeft || orientation == UIInterfaceOrientationLandscapeRight) {
   
  viewOrientation = @"Landscape";
   
 } else {
  
  viewOrientation = @"Portrait";
 }
  
 NSArray *imagesDictionary = [[[NSBundle mainBundle] infoDictionary] valueForKey:@"UILaunchImages"];
 for (NSDictionary *dict in imagesDictionary) {
   
  CGSize imageSize = CGSizeFromString(dict[@"UILaunchImageSize"]);
  if (CGSizeEqualToSize(imageSize, viewSize) && [viewOrientation isEqualToString:dict[@"UILaunchImageOrientation"]]) {
   
   lauchImage = [UIImage imageNamed:dict[@"UILaunchImageName"]];
  }
 }
 
 return lauchImage;
}
 
@end

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