用代码获取APP启动页图片

用代码获取APP启动页图片

源码 - swift

//

//  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