获取APP的Launch Image

喜欢ヅ旅行 2023-03-13 02:27 15阅读 0赞

效果图：

首先我们来看看该方法，我们可以从中获取到很多我们需要操作的信息：

[NSBundle mainBundle] infoDictionary]

打印结果：

{
        BuildMachineOSBuild = 15E65;
        CFBundleDevelopmentRegion = en;
        CFBundleExecutable = "OC\U6d4b\U8bd5";
        CFBundleIcons =     {
            CFBundlePrimaryIcon =         {
                CFBundleIconFiles =             (
                    AppIcon29x29,
                    AppIcon40x40,
                    AppIcon57x57,
                    AppIcon60x60
                );
            };
        };
        CFBundleIdentifier = "HH.OC--";
        CFBundleInfoDictionaryVersion = "6.0";
        CFBundleInfoPlistURL = "Info.plist -- file:///Users/liuxianzhi/Library/Developer/CoreSimulator/Devices/D67FF738-795E-472C-97B5-3C6187AD9058/data/Containers/Bundle/Application/254DB231-BFCF-4D99-AEA0-737B63F20620/OC%E6%B5%8B%E8%AF%95.app/";
        CFBundleName = "OC\U6d4b\U8bd5";
        CFBundleNumericVersion = 16809984;
        CFBundlePackageType = APPL;
        CFBundleShortVersionString = "1.0";
        CFBundleSignature = "????";
        CFBundleSupportedPlatforms =     (
            iPhoneSimulator
        );
        CFBundleVersion = 1;
        DTCompiler = "com.apple.compilers.llvm.clang.1_0";
        DTPlatformBuild = "";
        DTPlatformName = iphonesimulator;
        DTPlatformVersion = "9.3";
        DTSDKBuild = 13E230;
        DTSDKName = "iphonesimulator9.3";
        DTXcode = 0730;
        DTXcodeBuild = 7D175;
        LSRequiresIPhoneOS = 1;
        MinimumOSVersion = "6.1";
        UIDeviceFamily =     (
            1
        );
        UILaunchImageFile = LaunchImage;
        UILaunchImages =     (
                    {
                UILaunchImageMinimumOSVersion = "8.0";
                UILaunchImageName = "LaunchImage-800-Portrait-736h";
                UILaunchImageOrientation = Portrait;
                UILaunchImageSize = "{414, 736}";
            },
                    {
                UILaunchImageMinimumOSVersion = "8.0";
                UILaunchImageName = "LaunchImage-800-667h";
                UILaunchImageOrientation = Portrait;
                UILaunchImageSize = "{375, 667}";
            },
                    {
                UILaunchImageMinimumOSVersion = "7.0";
                UILaunchImageName = "LaunchImage-700-568h";
                UILaunchImageOrientation = Portrait;
                UILaunchImageSize = "{320, 568}";
            }
        );
        UIRequiredDeviceCapabilities =     (
            armv7
        );
        UISupportedInterfaceOrientations =     (
            UIInterfaceOrientationPortrait
        );
    }

其中 “UILaunchImages” 里面就包含有我们需要的所有启动图，此时就可以拿到它做些文章。

核心代码：

/**
     操作启动图
     */
    - (void)operateLaunchImage {
        // 1.获取LaunchImage
        __block NSString *launchImage = nil;
        NSArray<NSDictionary *> *imageArray = [[[NSBundle mainBundle] infoDictionary] valueForKey:@"UILaunchImages"];
        [imageArray enumerateObjectsUsingBlock:^(NSDictionary * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
            CGSize lanuchImageSize = CGSizeFromString(obj[@"UILaunchImageSize"]);
            // 获取和当前屏幕尺寸等同的启动图(屏幕旋转方向不需要判断)
            if (CGSizeEqualToSize(lanuchImageSize, [UIScreen mainScreen].bounds.size)) {
                launchImage = obj[@"UILaunchImageName"];
            }
        }];
        // 2.添加到window上
        UIImageView *lanuchImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:launchImage]];
        lanuchImageView.frame = [UIScreen mainScreen].bounds;
        lanuchImageView.contentMode = UIViewContentModeScaleAspectFill;
        [self.window addSubview:lanuchImageView];
        
        // 3.设置你需要的动画或其他效果
        [UIView animateWithDuration:3.0f delay:0.0f options:UIViewAnimationOptionBeginFromCurrentState animations:^{
            lanuchImageView.alpha = 0.0f;
            lanuchImageView.layer.transform = CATransform3DScale(CATransform3DIdentity, 1.2, 1.2, 1);
        } completion:^(BOOL finished) {
            [lanuchImageView removeFromSuperview];
        }];
    }

这样就能拿到Launch Image 并操作它！

***尊重作者劳动成果，转载请注明：** [【kingdev】][kingdev]*

[kingdev]: http://www.cnblogs.com/xiu619544553/