Iphone 如何从TTLauncher/Three20中删除项目?
如何在页面数组中添加此项后删除该项 我在这里试过:Iphone 如何从TTLauncher/Three20中删除项目?,iphone,ios,three20,Iphone,Ios,Three20,如何在页面数组中添加此项后删除该项 我在这里试过: launcherView.pages = [NSArray arrayWithObjects: [NSArray arrayWithObjects: [self launcherItemWithTitle:@"Pers. Starts." image:@"bundl
launcherView.pages = [NSArray arrayWithObjects:
[NSArray arrayWithObjects:
[self launcherItemWithTitle:@"Pers. Starts."
image:@"bundle://animexx-72.png"
URL:@"tt://startseite"],
[self launcherItemWithTitle:@"ENS"
image:@"bundle://animexx-72.png"
URL:@"tt://ens"],
[self launcherItemWithTitle:@"Kontakte"
image:@"bundle://animexx-72.png"
URL:@"tt://kontakte"],
[self launcherItemWithTitle:@"Einstellungen"
image:@"bundle://animexx-72.png"
URL:@"tt://einstellungen"],
[self launcherItemWithTitle:@"Admin"
image:@"bundle://animexx-72.png"
URL:@"tt://admin"]
, nil]
, nil];
//Check if ENS-Admin enabled
if ([SelfViewHandler IsENSAdminSet])
{
TTLauncherItem* item;
item = [launcherView itemWithURL:@"tt://admin"];
[launcherView removeItem:item animated:false];
}
但该项目仍然存在。
(如果子句为true,请在调试器和断点中选中它)对象
item=[launcherView itemWithURL:@“tt://admin”]
实际上不存在于TTLauncherView
中,因此不会被删除
每个对象在创建时都会获得一个引用,因此在创建pages数组时添加的对象与在if语句中创建的对象不同
要从TTLauncherView
中删除对象,需要对其进行引用。你可以这样做:
TTLauncherItem* item = [self launcherItemWithTitle:@"Admin"
image:@"bundle://animexx-72.png"
URL:@"tt://admin"]
launcherView.pages = [NSArray arrayWithObjects:
[NSArray arrayWithObjects:
[self launcherItemWithTitle:@"Pers. Starts."
image:@"bundle://animexx-72.png"
URL:@"tt://startseite"],
[self launcherItemWithTitle:@"ENS"
image:@"bundle://animexx-72.png"
URL:@"tt://ens"],
[self launcherItemWithTitle:@"Kontakte"
image:@"bundle://animexx-72.png"
URL:@"tt://kontakte"],
[self launcherItemWithTitle:@"Einstellungen"
image:@"bundle://animexx-72.png"
URL:@"tt://einstellungen"],
adminLauncherItem
, nil]
, nil];
//Check if ENS-Admin enabled
if ([SelfViewHandler IsENSAdminSet])
{
[launcherView removeItem:adminLauncherItem animated:false];
}
有一个基于URL删除启动程序项的函数是有意义的,比如
- (void)removeItemWithURL:(NSURL*)url animated:(BOOL)animated {
(但目前还没有:-)