[英]Android: OpenGraph Stories sharing in Facebook with SDK 4.0
[英]Facebook OpenGraph Stories in Android Facebook SDK 4.0
遵循本教程之后 ,我嘗試使用Facebook SDK 4.0在Android應用程序中實現OpenGraph故事。
我已經閱讀了很多Facebook文檔,並且從理論上理解了OpenGraph故事應該如何工作。 但是主要的問題是,我無法在SDK 4.0中實現它,因為教程和文檔中的所有代碼示例均引用了舊SDK的方法。 我所有使它起作用的嘗試(更改操作,對象)都失敗了。
這是我的代碼(根據文檔 ):
// Create an object
ShareOpenGraphObject object = new ShareOpenGraphObject.Builder()
.putString("og:type", "books.book")
.putString("og:title", "A Game of Thrones")
.putString("og:description", "In the frozen wastes to the north of Winterfell, sinister and supernatural forces are mustering.")
.putString("books:isbn", "0-553-57340-3")
.build();
// Create an action
ShareOpenGraphAction action = new ShareOpenGraphAction.Builder()
.setActionType("books.reads")
.putObject("books:book", object)
.build();
// Create the content
ShareOpenGraphContent content = new ShareOpenGraphContent.Builder()
.setPreviewPropertyName("books:book")
.setAction(action)
.build();
ShareButton shareButton = (ShareButton)findViewById(R.id.shareButton);
shareButton.setShareContent(content);
shareButton.registerCallback(callbackManager, new FacebookCallback<Sharer.Result>() {
@Override
public void onSuccess(Result result) {
Log.i(TAG, "SHARING SUCCESS!");
}
@Override
public void onError(FacebookException error) {
Log.e(TAG, "SHARING ERROR! - " + error.getMessage());
}
@Override
public void onCancel() {
Log.w(TAG, "SHARING CANCEL!");
}
});
和我得到的(所有嘗試):
動作至少需要一個參考:您嘗試發布的動作無效,因為它未指定任何參考對象。 必須至少指定以下屬性之一:book。
請您解釋一下如何在FB SDK 4.0中正確使用OpenGraph,以及如何使用SDK 4.0方法正確在Actions
使用Objects
。
該對話框的Webview版本存在一個已修復的錯誤。 您需要對代碼進行一些小的更改,我也將更新我們的文檔:
// Create an action
ShareOpenGraphAction action = new ShareOpenGraphAction.Builder()
.setActionType("books.reads")
.putObject("book", object) // <--- don't namespace the object on the action
.build();
// Create the content
ShareOpenGraphContent content = new ShareOpenGraphContent.Builder()
.setPreviewPropertyName("book") // <--- don't namespace the preview property
.setAction(action)
.build();
萬一有人在找它,這就是我解決問題的方式。
我還有一個問題,當我嘗試使用另一個CallbackManager.Factory.create();
,我的FacebookCallback<Sharer.Result>
沒有收到通知,我僅對所有Facebook操作使用一個實例。
public static void faceBookShareDialog(KoboActivity activity, Content content, Bitmap imageToShare,
String textToShare) {
ShareHashtag shareHashtag = new ShareHashtag.Builder().setHashtag(HASH_TAG_KOBO).build();
SharePhoto photo;
if (!isFacebookInstalled(activity)) {
ImageConfig imageConfig = Application.getAppComponent().imageConfigFactory().create(content.getImageId(), ImageType.Cover);
String imageUrl = imageConfig.getImageRequestURL();
photo = new SharePhoto.Builder()
.setImageUrl(Uri.parse(imageUrl))
.build();
} else {
photo = new SharePhoto.Builder()
.setBitmap(imageToShare)
.build();
}
// Create an object
ShareOpenGraphObject object = new ShareOpenGraphObject.Builder()
.putString("og:type", "books.book")
.putString("og:title", content.getTitle())
.putString("og:description", content.getDescription())
.putString("books:isbn", "0-553-57340-3")
.putPhoto("og:image", photo)
.build();
// Create an action
ShareOpenGraphAction.Builder actionBuilder = new ShareOpenGraphAction.Builder()
.setActionType("books.quotes")
.putString("body", textToShare)
.putObject("book", object);
// Create the content
String contentURL = generateFacebookShareUrl(content.getId(), content.getType(), CreatePhotoQuoteActivity.CAMPAIGN);
ShareOpenGraphContent contentGraph = new ShareOpenGraphContent.Builder()
.setPreviewPropertyName("body")
.setShareHashtag(shareHashtag)
.setAction(actionBuilder.build())
.setContentUrl(Uri.parse(contentURL))
.build();
FacebookCallback<Sharer.Result> shareCallback = new FacebookCallback<Sharer.Result>() {
@Override
public void onCancel() {
Log.i("FBShare", "fb SHARE canceled");
}
@Override
public void onError(FacebookException error) {
Log.e("FBShare", "fb SHARE error");
error.printStackTrace();
}
@Override
public void onSuccess(Sharer.Result result) {
String postId = result.getPostId();
Log.i("FBShare", "fb SHARE success ");
if (postId != null) {
// record successful FB share
Log.i(TAG, "post id: " + postId);
}
}
};
SharePhotoContent photoContent = new SharePhotoContent.Builder()
.addPhoto(photo)
.setShareHashtag(shareHashtag)
.build();
ShareDialog shareDialog = new ShareDialog(activity);
shareDialog.registerCallback(activity.getCallbackManager(), shareCallback);
shareDialog.show(photoContent);
}
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