在某种场景下,可能我们需要获取app的图标名称和启动图片的名称。比如说app在前台时,收到了远程通知但是通知栏是不会有通知提醒的,这时我想做个模拟通知提示,需要用到icon名称;再比如在加载某个控制器时,想设置该控制器的背景图片为启动图片,需要用到启动图片名称。
而事实上icon图片放在系统AppIcon文件夹里,启动图片放在系统LaunchImage文件夹里,取这些图片的名称和其他一般资源图片名称不一样。
为了方便举例子,咱们先简单粗暴点
假设当前项目只支持iPhone设备,并且只支持竖屏;而且当前项目里已经设置好了AppIcon图标和启动图片,
如何获取icon图标名称和启动图片名称呢 ?
上代码和打印日志:
/** 获取app的icon图标名称 */ - (void)getAppIconName{ NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary]; //获取app中所有icon名字数组 NSArray *iconsArr = infoDict[@"CFBundleIcons"][@"CFBundlePrimaryIcon"][@"CFBundleIconFiles"]; //取最后一个icon的名字 NSString *iconLastName = [iconsArr lastObject]; //打印icon名字 NSLog(@"iconsArr: %@", iconsArr); NSLog(@"iconLastName: %@", iconLastName); /* 打印日志: iconsArr: ( AppIcon29x29, AppIcon40x40, AppIcon60x60 ) iconLastName: AppIcon60x60 */ } /** 获取app的启动图片名称,并设置为本控制器背景图片 */ - (void)getLaunchImageName{ NSString *launchImageName = @""; //启动图片名称变量 CGFloat screenHeight = [UIScreen mainScreen].bounds.size.height; //获取与当前设备匹配的启动图片名称 if (screenHeight == 480){ //4,4S launchImageName = @"LaunchImage-700"; } else if (screenHeight == 568){ //5, 5C, 5S, iPod launchImageName = @"LaunchImage-700-568h"; } else if (screenHeight == 667){ //6, 6S launchImageName = @"LaunchImage-800-667h"; } else if (screenHeight == 736){ // 6Plus, 6SPlus launchImageName = @"LaunchImage-800-Landscape-736h"; } if (launchImageName.length < 1) return; //设备启动图片为控制器的背景图片 UIImage *img = [UIImage imageNamed:launchImageName]; self.view.backgroundColor = [UIColor colorWithPatternImage:img]; }
打印当前只支持iPhone设备并且只支持竖屏场景下的所有启动图片信息:
/** 打印app里面所有启动图片名称信息 */ - (void)printAllLaunchImageInfo{ NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary]; //获取所有启动图片信息数组 NSArray *launchImagesArr = infoDict[@"UILaunchImages"]; NSLog(@"launchImagesArr: %@", launchImagesArr); /* 打印日志:启动图片的名字是固定的 launchImagesArr: ( { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-Portrait-736h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{414, 736}"; }, { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-Landscape-736h"; UILaunchImageOrientation = Landscape; UILaunchImageSize = "{414, 736}"; }, { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-667h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{375, 667}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{320, 480}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700-568h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{320, 568}"; } ) */ }
看到了,项目AppIcon图标和启动图片信息,都可以从 [[NSBundle mainBundle] infoDictionary] 获得,当前这里面还包含了app的其他信息如版本、app名称、设备类型、支持方向。。。
打印所有信息看看:
/** 打印app工程配置信息 */ - (void)printInfoDictionary{ NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary]; NSLog(@"%@", infoDict); /* 打印日志: { BuildMachineOSBuild = 15G31; CFBundleDevelopmentRegion = en; CFBundleExecutable = TanTest; CFBundleIcons = { CFBundlePrimaryIcon = { CFBundleIconFiles = ( AppIcon29x29, AppIcon40x40, AppIcon60x60 ); }; }; CFBundleIdentifier = "net.tan.xxx"; CFBundleInfoDictionaryVersion = "6.0"; CFBundleInfoPlistURL = "Info.plist -- file:///Users/PX/Library/Developer/CoreSimulator/Devices/7020368B-C160-42C0-B3C5-5F958FA82EF5/data/Containers/Bundle/Application/77D8C333-A6AF-4183-B79A-A5BEDCD08E1A/TanTest.app/"; CFBundleName = TanTest; 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 = 0731; DTXcodeBuild = 7D1014; LSRequiresIPhoneOS = 1; MinimumOSVersion = "6.0"; UIDeviceFamily = ( ); UILaunchImageFile = LaunchImage; UILaunchImages = ( { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-Portrait-736h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{414, 736}"; }, { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-Landscape-736h"; UILaunchImageOrientation = Landscape; UILaunchImageSize = "{414, 736}"; }, { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-667h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{375, 667}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{320, 480}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700-568h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{320, 568}"; } ); UILaunchStoryboardName = LaunchScreen; UIMainStoryboardFile = Main; UIRequiredDeviceCapabilities = ( armv7 ); UISupportedInterfaceOrientations = ( UIInterfaceOrientationPortrait ); } */ }
---------- 接下来我们再来在app既支持iPhone和iPad设备,又支持横屏和竖屏时,AppIcon和LaunchImage是怎样的以及如何获取 ---
先上两张图,再上测试代码:
测试代码:
1、获取AppIcon所有icon图标名称
/** 支持iPhone和iPad, 获取app的icon图标名称 */ - (void)getAppIconName{ NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary]; //获取app中所有icon名字数组 NSArray *iconsArr = infoDict[@"CFBundleIcons"][@"CFBundlePrimaryIcon"][@"CFBundleIconFiles"]; //取最后一个icon的名字 NSString *iconLastName = [iconsArr lastObject]; //打印icon名字 NSLog(@"iconsArr: %@", iconsArr); NSLog(@"iconLastName: %@", iconLastName); /* 打印日志(29pt和40pt iPhone和iPad都用到;60pt --- iPhone, 76pt和83.5pt --- iPad): iconsArr: ( AppIcon29x29, AppIcon40x40, AppIcon60x60, AppIcon76x76, "AppIcon83.5x83.5" ) iconLastName: AppIcon83.5x83.5 */ }
2、获取在支持iPhone和iPad开发,支持横屏和竖屏时,获取启动图片,并设为背景图片代码
(iPhone设备只有在Plus, 即5.5英寸才有竖屏和横屏两套图片,其他4、5、6竖屏横屏共用一张启动图片)
/** 支持iPhone和iPad, 支持横屏、竖屏, 获取app的启动图片名称,并设置为本控制器背景图片 */ - (void)getLaunchImageName{ NSString *launchImageName = @""; //启动图片名称变量 CGFloat screenHeight = [UIScreen mainScreen].bounds.size.height; //屏幕高度 CGFloat screenWidth = [UIScreen mainScreen].bounds.size.width; //屏幕宽度 //设备界面方向 UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation; BOOL isPortrait = UIInterfaceOrientationIsPortrait(orientation);// 是否竖屏 BOOL isLandscape = UIInterfaceOrientationIsLandscape(orientation);//是否横屏 //获取与当前设备匹配的启动图片名称 //4、4S 竖屏,横屏 if ((isPortrait && screenHeight == 480) || (isLandscape && screenWidth == 480)){ launchImageName = @"LaunchImage-700"; } //5、5C、5S、iPod 竖屏,横屏 else if ((isPortrait && screenHeight == 568) || (isLandscape && screenWidth == 568)){ launchImageName = @"LaunchImage-700-568h"; } //6、6S 竖屏,横屏 else if ((isPortrait && screenHeight == 667) || (isLandscape && screenWidth == 667)){ launchImageName = @"LaunchImage-800-667h"; } //6Plus、6SPlus竖屏 else if (isPortrait && screenHeight == 736){ launchImageName = @"LaunchImage-800-Portrait-736h"; } //6Plus、6SPlus 横屏 else if (isLandscape && screenWidth == 736){ launchImageName = @"LaunchImage-800-Landscape-736h"; } //iPad 竖屏 else if (isPortrait && screenHeight == 1024){ launchImageName = @"LaunchImage-700-Portrait"; } //iPad 横屏 else if (isLandscape && screenWidth == 1024){ launchImageName = @"LaunchImage-700-Landscape"; } if (launchImageName.length < 1) return; //设备启动图片为控制器的背景图片 UIImage *img = [UIImage imageNamed:launchImageName]; self.view.backgroundColor = [UIColor colorWithPatternImage:img]; }
3、打印出所有启动图片信息
/** 打印app里面所有启动图片名称信息 */ - (void)printAllLaunchImageInfo{ NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary]; //获取所有启动图片信息数组 NSArray *launchImagesArr = infoDict[@"UILaunchImages"]; NSLog(@"launchImagesArr: %@", launchImagesArr); /* 打印日志:启动图片的名字是固定的 launchImagesArr: ( { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-Portrait-736h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{414, 736}"; }, { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-Landscape-736h"; UILaunchImageOrientation = Landscape; UILaunchImageSize = "{414, 736}"; }, { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-667h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{375, 667}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{320, 480}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700-568h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{320, 568}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700-Portrait"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{768, 1024}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700-Landscape"; UILaunchImageOrientation = Landscape; UILaunchImageSize = "{768, 1024}"; } ) */ }
4、打印所有配置信息
/** 打印app工程配置信息 */ - (void)printInfoDictionary{ NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary]; NSLog(@"%@", infoDict); /* 打印日志: { BuildMachineOSBuild = 15G31; CFBundleDevelopmentRegion = en; CFBundleExecutable = TanTest; CFBundleIcons = { CFBundlePrimaryIcon = { CFBundleIconFiles = ( AppIcon29x29, AppIcon40x40, AppIcon60x60, AppIcon76x76, "AppIcon83.5x83.5" ); }; }; CFBundleIdentifier = "net.tan.xxx"; CFBundleInfoDictionaryVersion = "6.0"; CFBundleInfoPlistURL = "Info.plist -- file:///Users/PX/Library/Developer/CoreSimulator/Devices/3246F9AE-1D73-4E4F-8DDF-F591DBE64F63/data/Containers/Bundle/Application/7DD6C793-F882-43CF-9897-1433411289E6/TanTest.app/"; CFBundleName = TanTest; 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 = 0731; DTXcodeBuild = 7D1014; LSRequiresIPhoneOS = 1; MinimumOSVersion = "9.0"; UIDeviceFamily = ( 1, ); UILaunchImageFile = LaunchImage; UILaunchImages = ( { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-Portrait-736h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{414, 736}"; }, { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-Landscape-736h"; UILaunchImageOrientation = Landscape; UILaunchImageSize = "{414, 736}"; }, { UILaunchImageMinimumOSVersion = "8.0"; UILaunchImageName = "LaunchImage-800-667h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{375, 667}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{320, 480}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700-568h"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{320, 568}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700-Portrait"; UILaunchImageOrientation = Portrait; UILaunchImageSize = "{768, 1024}"; }, { UILaunchImageMinimumOSVersion = "7.0"; UILaunchImageName = "LaunchImage-700-Landscape"; UILaunchImageOrientation = Landscape; UILaunchImageSize = "{768, 1024}"; } ); UILaunchStoryboardName = LaunchScreen; UIMainStoryboardFile = Main; UIRequiredDeviceCapabilities = ( armv7 ); UISupportedInterfaceOrientations = ( UIInterfaceOrientationPortrait, UIInterfaceOrientationLandscapeLeft, UIInterfaceOrientationLandscapeRight ); }*/ }
以上所述是小编给大家介绍的iOS获取AppIcon and LaunchImage's name(app图标和启动图片名字),希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对小牛知识库网站的支持!
本文向大家介绍用iOS代码获取APP启动页图片,包括了用iOS代码获取APP启动页图片的使用技巧和注意事项,需要的朋友参考一下 用代码获取APP启动页图片 源码 - Objective-C 以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持呐喊教程。
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