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();
        }
    }