shareSdk分享图片

   /**
     * 只分享图片
     *
     * @param bitmap bitmap
     */
    private void sharedImage(Bitmap bitmap) {

        RxPermissions rxPermissions = new RxPermissions((Activity) context);
        rxPermissions.request(Manifest.permission.WRITE_EXTERNAL_STORAGE).subscribe(granted -> {

            if (granted) {
                String imgPath = initImagePath(bitmap);
                if (imgPath == null) return;
                Platform.ShareParams sp = new Platform.ShareParams();
                sp.setTitle(null);
                sp.setText(null);
                sp.setImagePath(imgPath);
                sp.setShareType(Platform.SHARE_IMAGE);//设置分享为图片类型
                Platform platform = ShareSDK.getPlatform(plantName);// 要分享的平台//QQ.NAME
                platform.setPlatformActionListener(mPlatformActionListener); // 设置分享事件回调
                // 执行图文分享
                platform.share(sp);
            } else {
                //用户拒绝的权限
            }

        });

    }