Facebook SDK 4.0 分享对话框

Question

我想使用 Facebook SDK 4.0 从我的 Android 应用中分享一张图片。我让它与 ShareDialog 一起工作，但是当用户没有安装 FB 应用程序时，根据 developers.facebook，SDK 应该使用 Web 共享对话框：

In past versions of the SDK for Android, your app had to check for a native, installed Facebook app before it could open the Share Dialog. If the person didn't have the app installed, you had to provide your own code to call a fallback dialog.

Now the SDK automatically checks for the native Facebook app. If it isn't installed the Web Share dialog launches:

但是当我删除 FB 应用程序并尝试分享时没有任何反应。
这是我的代码：

            ShareDialog shareDialog = new ShareDialog(this);

            BitmapFactory.Options bmOptions = new BitmapFactory.Options();

            bmOptions.inPreferredConfig = Bitmap.Config.ARGB_8888;

            Bitmap image = BitmapFactory.decodeFile(imagePath, bmOptions);

            SharePhoto photo = new SharePhoto.Builder().setBitmap(image).build();

            SharePhotoContent content = new SharePhotoContent.Builder().addPhoto(photo).build();

            shareDialog.show(content, ShareDialog.Mode.AUTOMATIC);

编辑

有没有办法在没有安装 facebook 应用程序的情况下在 facebook 上分享照片？

Answer 1

请仔细阅读SDK文档。没有安装 Facebook 应用程序，您无法使用 sharedialog 分享照片。

参考：https://developers.facebook.com/docs/sharing/android

Photos

People can share photos from your app to Facebook with the Share Dialog or with a custom interface.

The photos must be less than 12MB in size

People need the native Facebook for Android app installed, version 7.0 or higher

Answer 2

我找到了解决方案：

BitmapFactory.Options bmOptions = new BitmapFactory.Options();
    bmOptions.inPreferredConfig = Bitmap.Config.ARGB_8888;

    Bitmap image = BitmapFactory.decodeFile(imagePathForShare, bmOptions);

    SharePhoto photo = new SharePhoto.Builder().setBitmap(image).build();

    SharePhotoContent content = new SharePhotoContent.Builder().addPhoto(photo).build();

    Toast.makeText(getApplicationContext(), getString(R.string.facebook_uploading), Toast.LENGTH_SHORT).show();

    ShareApi.share(content, new FacebookCallback<Sharer.Result>() {
        @Override
        public void onSuccess(Sharer.Result result)
        {
            Toast.makeText(getApplicationContext(), getString(R.string.facebookSuccessful), Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onCancel()
        {
            Log.v("FACEBOOK_TEST", "share api cancel");
        }

        @Override
        public void onError(FacebookException e)
        {
            Log.v("FACEBOOK_TEST", "share api error " + e);
        }
    });

Answer 3

试试这个：

我遇到了同样的麻烦，我可以说是 facebook 的 SharePhotoContent API 中存在一些问题。您可以使用 ShareLinkContent 分享图片。

ShareLinkContent linkContent = new ShareLinkContent.Builder()
                    .setImageUrl("Your url")
                    .build();
shareDialog.show(linkContent);

Answer 4

You can use share dialog to share photos.

试试这个

 Bitmap image = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher);
                    SharePhoto.Builder photoBuilder = new SharePhoto.Builder();
                    photoBuilder.setBitmap(image);
                    photoBuilder.setCaption("HBD Caption");
                    final SharePhoto sharePhoto = photoBuilder.build();
                    SharePhotoContent content = new SharePhotoContent.Builder().addPhoto(sharePhoto).build();
                    mShareDialog.show(content);

To add caption, you'll need to add publish permissions from facebook. If you wont do this, your image will get posted without a caption.

参考：https://developers.facebook.com/docs/graph-api/reference/user/permissions/

Facebook SDK 4.0 分享对话框

Facebook SDK 4.0 ShareDialog

android

facebook

facebook-graph-api

facebook-sdk-4.0

facebook-share