一写plist到~/Library/LaunchAgents/ 目录下

// 配置开机默认启动
-(void)installDaemon{NSString* launchFolder = [NSString stringWithFormat:@"%@/Library/LaunchAgents",NSHomeDirectory()];NSString * boundleID = [[NSBundle mainBundle] objectForInfoDictionaryKey:(NSString *)kCFBundleIdentifierKey]; NSString* dstLaunchPath = [launchFolder stringByAppendingFormat:@"/%@.plist",boundleID];NSFileManager* fm = [NSFileManager defaultManager];BOOL isDir = NO;//已经存在启动项中，就不必再创建if ([fm fileExistsAtPath:dstLaunchPath isDirectory:&isDir] && !isDir) {return;}//下面是一些配置NSMutableDictionary* dict = [[NSMutableDictionary alloc] init];NSMutableArray* arr = [[NSMutableArray alloc] init];[arr addObject:[[NSBundle mainBundle] executablePath]];[arr addObject:@"-runMode"];[arr addObject:@"autoLaunched"];[dict setObject:[NSNumber numberWithBool:true] forKey:@"RunAtLoad"];[dict setObject:boundleID forKey:@"Label"];[dict setObject:arr forKey:@"ProgramArguments"];isDir = NO;if (![fm fileExistsAtPath:launchFolder isDirectory:&isDir] && isDir) {[fm createDirectoryAtPath:launchFolder withIntermediateDirectories:NO attributes:nil error:nil];}[dict writeToFile:dstLaunchPath atomically:NO];[arr release]; arr = nil;[dict release]; dict = nil;
}

关于启动项的配置可以去开发文档搜索：Creating launchd Daemons and Agents。

取消开机启动则只要删除~/Library/LaunchAgents/ 目录下相应的plist文件即可。

// 取消配置开机默认启动
-(void)unInstallDaemon{NSString* launchFolder = [NSString stringWithFormat:@"%@/Library/LaunchAgents",NSHomeDirectory()];BOOL isDir = NO;NSFileManager* fm = [NSFileManager defaultManager];if (![fm fileExistsAtPath:launchFolder isDirectory:&isDir] && isDir) {return;}NSString * boundleID = [[NSBundle mainBundle] objectForInfoDictionaryKey:(NSString *)kCFBundleIdentifierKey]; NSString* srcLaunchPath = [launchFolder stringByAppendingFormat:@"/%@.plist",boundleID];[fm removeItemAtPath:srcLaunchPath error:nil];
}

二．使用LoginItemsAE

在开发文档中搜索LoginItemsAE即可搜到它的源码，包含LoginItemsAE.c和LoginItemsAE.h两个文件。其原理是写配置信息到~/Library/Preferences/com.apple.loginitems.plist 文件。打开com.apple.loginitems.plist文件找到CustomListItems那一项，展开就可以看到开机启动项的一些信息（包括app名称，所在路径。。。）

图1：com.apple.loginitems.plist 开机启动项内容

下面简单介绍下LoginItemsAE.h 中的几个API。

//返回开机启动项列表，传入itemsPtr地址即可，
extern OSStatus LIAECopyLoginItems(CFArrayRef *itemsPtr);

//添加开机启动项，hideIt参数一般是传 NO
extern OSStatus LIAEAddURLAtEnd(CFURLRef item,     Boolean hideIt);

//移除开机启动项
extern OSStatus LIAERemove(CFIndex itemIndex);

是不是觉得上面的接口不是很好用呢，特别是移除启动项的那个接口，必须得知道要移除的index，如果能根据文件路径移除就好了。下面用Objective-C语法重新封装这几个接口，更方便调用。

#import "UKLoginItemRegistry.h"@implementation UKLoginItemRegistry+(NSArray*)    allLoginItems
{NSArray*   itemsList = nil;OSStatus   err = LIAECopyLoginItems( (CFArrayRef*) &itemsList );  // Take advantage of toll-free bridging.if( err != noErr ){NSLog(@"Couldn't list login items error %ld", err);return nil;}return [itemsList autorelease];
}+(BOOL)       addLoginItemWithPath: (NSString*)path hideIt: (BOOL)hide
{NSURL* url = [NSURL fileURLWithPath: path];return [self addLoginItemWithURL: url hideIt: hide];
}//根据文件路径移除启动项
+(BOOL)        removeLoginItemWithPath: (NSString*)path
{int        idx = [self indexForLoginItemWithPath: path];return (idx != -1) && [self removeLoginItemAtIndex: idx];    // Found item? Remove it and return success flag. Else return NO.
}+(BOOL)       addLoginItemWithURL: (NSURL*)url hideIt: (BOOL)hide         // Main bottleneck for adding a login item.
{OSStatus err = LIAEAddURLAtEnd( (CFURLRef) url, hide );   // CFURLRef is toll-free bridged to NSURL.if( err != noErr )NSLog(@"Couldn't add login item error %ld", err);return( err == noErr );
}+(BOOL)       removeLoginItemAtIndex: (int)idx            // Main bottleneck for getting rid of a login item.
{OSStatus err = LIAERemove( idx );if( err != noErr )NSLog(@"Couldn't remove login intem error %ld", err);return( err == noErr );
}+(int)        indexForLoginItemWithURL: (NSURL*)url       // Main bottleneck for finding a login item in the list.
{NSArray*       loginItems = [self allLoginItems];NSEnumerator*    enny = [loginItems objectEnumerator];NSDictionary* currLoginItem = nil;int                x = 0;while(( currLoginItem = [enny nextObject] )){if( [[currLoginItem objectForKey: UKLoginItemURL] isEqualTo: url] )return x;x++;}return -1;
}+(int)        indexForLoginItemWithPath: (NSString*)path
{NSURL* url = [NSURL fileURLWithPath: path];return [self indexForLoginItemWithURL: url];
}+(BOOL)       removeLoginItemWithURL: (NSURL*)url
{int        idx = [self indexForLoginItemWithURL: url];return (idx != -1) && [self removeLoginItemAtIndex: idx];  // Found item? Remove it and return success flag. Else return NO.
}@end

上面的代码是不是觉得亲切多了啊？

不过这几个接口有点缺陷：只能用i386来编译，用x86_64编译会报错的。

三. 使用LaunchServices修改启动项

可以使用LaunchServices/LSSharedFileList.h 里面的方法来更改启动项，但是这些方法只支持10.5及以上的系统。下面简单的介绍下这些方法。

//这个方法返回启动项列表
extern LSSharedFileListRef
LSSharedFileListCreate(CFAllocatorRef   inAllocator,CFStringRef      inListType,CFTypeRef        listOptions)

//添加新的启动项
extern LSSharedFileListItemRef LSSharedFileListInsertItemURL(LSSharedFileListRef       inList,LSSharedFileListItemRef   insertAfterThisItem,CFStringRef               inDisplayName,IconRef                   inIconRef,CFURLRef                  inURL,CFDictionaryRef           inPropertiesToSet,CFArrayRef                inPropertiesToClear)

//移除启动项
extern OSStatus LSSharedFileListItemRemove(LSSharedFileListRef       inList,LSSharedFileListItemRef   inItem)

//最后一个方法用来解析启动项的 URL,用来检索启动项列表里的东西
extern OSStatus LSSharedFileListItemResolve(LSSharedFileListItemRef   inItem,UInt32                    inFlags,CFURLRef *                outURL,FSRef *                   outRef)

使用下面两个方法来封装上面的这些API，使更易于使用。你也可以改成传入app路径添加启动项。- (void) addAppAsLoginItem:(NSString *)appPath，把这句NSString * appPath = [[NSBundle mainBundle] bundlePath];注视掉就行了。

-(void) addAppAsLoginItem{NSString * appPath = [[NSBundle mainBundle] bundlePath];// This will retrieve the path for the application// For example, /Applications/test.appCFURLRef url = (CFURLRef)[NSURL fileURLWithPath:appPath]; // Create a reference to the shared file list.// We are adding it to the current user only.// If we want to add it all users, use// kLSSharedFileListGlobalLoginItems instead of//kLSSharedFileListSessionLoginItemsLSSharedFileListRef loginItems = LSSharedFileListCreate(NULL,kLSSharedFileListSessionLoginItems, NULL);if (loginItems) {//Insert an item to the list.LSSharedFileListItemRef item = LSSharedFileListInsertItemURL(loginItems,kLSSharedFileListItemLast, NULL, NULL,url, NULL, NULL);if (item){CFRelease(item);}}CFRelease(loginItems);
}-(void) deleteAppFromLoginItem{NSString * appPath = [[NSBundle mainBundle] bundlePath];// This will retrieve the path for the application// For example, /Applications/test.appCFURLRef url = (CFURLRef)[NSURL fileURLWithPath:appPath]; // Create a reference to the shared file list.LSSharedFileListRef loginItems = LSSharedFileListCreate(NULL,kLSSharedFileListSessionLoginItems, NULL);if (loginItems) {UInt32 seedValue;//Retrieve the list of Login Items and cast them to// a NSArray so that it will be easier to iterate.NSArray  *loginItemsArray = (NSArray *)LSSharedFileListCopySnapshot(loginItems, &seedValue);int i = 0;for(i ; i< [loginItemsArray count]; i++){LSSharedFileListItemRef itemRef = (LSSharedFileListItemRef)[loginItemsArrayobjectAtIndex:i];//Resolve the item with URLif (LSSharedFileListItemResolve(itemRef, 0, (CFURLRef*) &url, NULL) == noErr) {NSString * urlPath = [(NSURL*)url path];if ([urlPath compare:appPath] == NSOrderedSame){LSSharedFileListItemRemove(loginItems,itemRef);}}}[loginItemsArray release];}
}

详情请打开：http://cocoatutorial.grapewave.com/2010/02/creating-andor-removing-a-login-item/

四. 使用NSUserDefaults修改启动项

下面通过分类给NSUserDefaults添加新的方法。

@implementation NSUserDefaults (Additions)- (BOOL)addApplicationToLoginItems:(NSString *)path {NSDictionary *domain = [self persistentDomainForName:@"loginwindow"];NSArray *apps = [domain objectForKey:@"AutoLaunchedApplicationDictionary"];NSArray *matchingApps = [apps filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"Path CONTAINS %@", path]];if ([matchingApps count] == 0) {NSMutableDictionary *newDomain = [domain mutableCopy];NSMutableArray *newApps = [[apps mutableCopy] autorelease];NSDictionary *app = [NSDictionary dictionaryWithObjectsAndKeys:path, @"Path", [NSNumber numberWithBool:NO], @"Hide", nil];[newApps addObject:app];[newDomain setObject:newApps forKey:@"AutoLaunchedApplicationDictionary"];[self setPersistentDomain:newDomain forName:@"loginwindow"];return [self synchronize];}return NO;
}- (BOOL)removeApplicationFromLoginItems:(NSString *)name {NSDictionary *domain = [self persistentDomainForName:@"loginwindow"];NSArray *apps = [domain objectForKey:@"AutoLaunchedApplicationDictionary"];NSArray *newApps = [apps filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"not Path CONTAINS %@", name]];if (![apps isEqualToArray:newApps]) {NSMutableDictionary *newDomain = [domain mutableCopy];[newDomain setObject:newApps forKey:@"AutoLaunchedApplicationDictionary"];[self setPersistentDomain:newDomain forName:@"loginwindow"];return [self synchronize];}return NO;
}@end

详情请打开：http://www.danandcheryl.com/2011/02/how-to-modify-the-dock-or-login-items-on-os-x

后面三种方法都是写配置到~/Library/Preferences/com.apple.loginitems.plist文件中，只不过实现的方式不一样罢了。

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Cocoa -- 添加和移除开机启动项

一写plist到~/Library/LaunchAgents/ 目录下

二．使用LoginItemsAE

三. 使用LaunchServices修改启动项

四. 使用NSUserDefaults修改启动项

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Cocoa -- 添加和移除开机启动项

一 写plist到~/Library/LaunchAgents/ 目录下

二．使用LoginItemsAE

三. 使用LaunchServices修改启动项

四. 使用NSUserDefaults修改启动项

Cocoa -- 添加和移除开机启动项相关推荐

最新文章

热门文章

一写plist到~/Library/LaunchAgents/ 目录下