用iOS代码获取APP启动页图片

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. 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

//
// 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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