private String getWXinSendClassName(){

        Intent share = new Intent(android.content.Intent.ACTION_SEND);

        share.setType("video/*");

        List<ResolveInfo> resInfos = getPackageManager().queryIntentActivities(share, 0);

        for (ResolveInfo resInfo : resInfos){

            if(resInfo.activityInfo.name.contains(ConstantsAPI.WXApp.WXAPP_PACKAGE_NAME)){

                return resInfo.activityInfo.name;

            }

        }

        return null;

    }

 public void onShareVideoFileForFriends(String path){

        Intent shareIntent = new Intent(Intent.ACTION_SEND);

        String className = getWXinSendClassName();

        if(!TextUtils.isEmpty(className)) {

            shareIntent.setComponent(new ComponentName(ConstantsAPI.WXApp.WXAPP_PACKAGE_NAME, className));

            shareIntent.setType("video/*");

            shareIntent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(new File(path)));

            shareIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

            shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);

            getApplication().startActivity(shareIntent);

        } else {

            Toast.makeText(this,"分享失败", Toast.LENGTH_SHORT).show();

        }

    }