Class LSApplicationWorkspace_class = objc_getClass("LSApplicationWorkspace");

NSObject* workspace = [LSApplicationWorkspace_class performSelector:@selector(defaultWorkspace)];

NSArray*allApplications = [workspace performSelector:@selector(allApplications)];//这样就能获取到手机中安装的所有App

NSLog(@"设备上安装的所有app:%@",allApplications);NSIntegerzlConnt =0;

for(NSString*appStrinallApplications) {

NSString*app = [NSStringstringWithFormat:@"%@",appStr];//转换成字符串

NSRangerange = [app rangeOfString:@"你要查询App的bundle ID"];//是否包含这个bundle ID

if(range.length >1) {

zlConnt ++;

}

}

if(zlConnt >=1) {

NSLog(@"已安装");

}