- (void)IsInstalledApp{
Class Panduan = objc_getClass("LSApplicationWorkspace");
BOOL isInstalled = [[Panduan new] performSelector:@selector(applicationIsInstalled:) withObject:@"com.coralsec.emm"];
if (isInstalled == YES) {
NSLog(@"有");
}
else
{
NSLog(@"没有");
}
还有就是用canOpenURL判断, 不过有了白名单之后就不知道行不行了
