安卓.通过Facebook SDK 4.X将文本发送到Facebook Messenger [英] Android. Send text to facebook messenger by Facebook SDK 4.X

问题描述

作为来自facebook的文档，我们可以将android应用程序中的图像发送到Facebook Messenger(如下所示).

As document from facebook, we can send image from android app to facebook messenger like below.

String metadata = "{ \"image\" : \"trees\" }";
ShareToMessengerParams shareToMessengerParams =
    ShareToMessengerParams.newBuilder(contentUri, "image/jpeg")
            .setMetaData(metadata)
            .build();

// Sharing from an Activity
MessengerUtils.shareToMessenger(this, 0, shareToMessengerParams);

但是我只想发送文字.所以我在下面尝试过.

But I want to send just text. So I tried below.

ShareToMessengerParams shareToMessengerParams =
    ShareToMessengerParams.newBuilder(null, "text/plain")
            .setMetaData("text to send")
            .build();

// Sharing from an Activity
MessengerUtils.shareToMessenger(this, 0, shareToMessengerParams);

当我对此进行测试时，java.lang.NullPointerException:必须提供非null uri异常.

When I tested this, java.lang.NullPointerException: Must provide non-null uri exception occurs.

如何向Facebook Messenger发送消息?使用Intent目前不可用，因此我需要使用facebook sdk 4.X.

How can I send message to facebook messenger..? Using Intent is not available now, so I need to use facebook sdk 4.X.

推荐答案

这是 Facebook文档

Facebook(和Messenger)不允许只共享文本.

Facebook (and Messenger) doesn't not allow sharing text only.

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