Umeng友盟分享纯图片到微信

 UMWXHandler wxHandler = new UMWXHandler(mContext, BuildConfig.wxappID, BuildConfig.wxappSecret);
        wxHandler.addToSocialSDK();
        // 设置微信好友分享内容
        WeiXinShareContent weixinContent = new WeiXinShareContent();
        // 设置分享文字
  //weixinContent.setShareContent(shareContent);//纯图去掉即可
        // 设置title
        weixinContent.setTitle(shareTitle);
        // 设置分享内容跳转URL
        weixinContent.setTargetUrl(shareUrl);
        // 设置分享图片
        weixinContent
                .setShareImage(new UMImage(mContext, shareBitmap));
        mController.setShareMedia(weixinContent);