获取系统中所有已安的app

/**
     * 获取到所有安装的app的基本信息
     * @return当前手机中所有app的基本信息
     */
    public List<AppInfo> getAppInfos(){
        
        List<AppInfo> list=new ArrayList<AppInfo>();
        //获取包管理器的对象
        PackageManager packageManager=context.getPackageManager();
        //拿到所有已经安装成功的app的信息
        List<PackageInfo> packageInfos=packageManager.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES);
        for(PackageInfo info:packageInfos){
            appinf=new AppInfo();
            //获取app的名称
            //String name=appInfo.name;
            ApplicationInfo appinfo=info.applicationInfo;
            //String name=appINFO.packageName;
            String name= appinfo.loadLabel(packageManager).toString();
            appinf.setAppName(name);
            //获取到app的图标
             Drawable icon=appinfo.loadIcon(packageManager);
             appinf.setIcon(icon);
             //将这些信息加入到list集合中去
             list.add(appinf);    
            
        }
        
        return list;
    }