获取手机中所有有Internet访问权限的应用程序

    /**
     * 得到有Internet访问权限的应用
     * @return
     */
    public List<TrafficInfo> getInternetTrafficInfos(){
        List<TrafficInfo> trafficInofs = new ArrayList<TrafficInfo>();
        List<PackageInfo> packageInfos = pm.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES | PackageManager.GET_PERMISSIONS);
        for (PackageInfo info : packageInfos) {
            String[] permissions = info.requestedPermissions; // 获取所有的权限节点
            // 有的应用程序没有权限    需要判断是否为null
            if(permissions != null){
                for(String permission:permissions){
                    if(permission.equals(Manifest.permission.INTERNET)){
                        ApplicationInfo appInfo = info.applicationInfo;
                        Drawable appicon = appInfo.loadIcon(pm);
                        String appname = appInfo.loadLabel(pm).toString();
                        String packageName = appInfo.packageName;
                        int uid = appInfo.uid;
                        trafficInofs.add(new TrafficInfo(appicon, appname, packageName, uid));
                    }
                }
            }

        }
        return trafficInofs;
    }