小红书分享踩坑和解决

AndroidManifest文件
<provider
            android:name="androidx.core.content.FileProvider"
            android:authorities="${applicationId}.FileProvider"
            android:exported="false"
            android:grantUriPermissions="true"
            >
            <meta-data
                android:name="android.support.FILE_PROVIDER_PATHS"
                android:resource="@xml/provider_paths"
                />
        </provider>

res目录下的xml配置文件
<?xml version="1.0" encoding="utf-8"?>
<paths>
    <cache-path
        name="cache"
        path="."
        /> <!--Context.getCacheDir() -->
    <files-path
        name="files"
        path="."
        /> <!--Context.getFilesDir() -->

    <external-path
        name="external"
        path="."
        />  <!--  Environment.getExternalStorageDirectory()-->
    <external-cache-path
        name="external-cache"
        path="."
        /> <!--  Context.getExternalCacheDir() -->
    <external-files-path
        name="external-files"
        path="."
        /> <!--  Context.getExternalFilesDir() -->
    <external-files-path
        name="opensdk_external"
        path="Images"
        />
    <root-path
        name="opensdk_root"
        path=""
        />
</paths>

XhsShareSdk.registerApp(context, XHS_APP_KEY,
                XhsShareGlobalConfig().setEnableLog(true).setClearCacheWhenShareComplete(true)
//重点是下面的这句话，设置为自己应用的 Authority
.setFileProviderAuthority("${context.packageName}.FileProvider")
                ,
                object : XhsShareRegisterCallback {
                    override fun onSuccess() {
                        log { "xhs---onSuccess: 注册成功！" }
                    }

                    override fun onError(
                        errorCode: Int,
                        errorMessage: String,
                        @Nullable exception: Exception?
                    ) {
                        log { "xhs---onError: 注册失败！errorCode: $errorCode errorMessage: $errorMessage exception: $exception" }
                    }
                })

XhsNote().apply {
    title = getTitleString()    // 正文，String
    content = getContentString()    // 标题，String
    imageInfo = XhsImageInfo(listOf(
        XhsImageResourceBean.fromUrl("网络图片 url"), 
        XhsImageResourceBean.fromUrl("网络图片 url")))            
}

fun shareXHS(
            activity: Activity = requireNotNull(SnsHelper.mainActivity),
            filePath: String//传递过来文件地址
        ) {
            val xhsPackageNames = arrayOf("com.xingin.xhs")
            //获取赋予权限的URI
            val uri = getContentUriForFileProvider(
                filePath = filePath,
                packages = xhsPackageNames
            )
            log { "xhs--- FilePath=$filePath \n,uri:$uri,  " }
            val title="标题内容"
            val content="内容文字"
            try {
                //获取视频的首帧作为封面图
                val bitmap= getThumbnailFromVideo(filePath)
                val tempFile = File("${activity.cacheDir.absolutePath}/cameraShooting", "tempFileForShare.png")
                val stream = FileOutputStream(tempFile)
                bitmap?.compress(Bitmap.CompressFormat.PNG, 100, stream)
                stream.close()
                //获取首帧的图片URI
                val picUri = getContentUriForFileProvider(
                    filePath = tempFile.absolutePath,
                    packages = xhsPackageNames
                )
                val xhsNote= XhsNote().apply {
                    this.title = title
                    this.content = content
                    videoInfo = XhsVideoInfo(
                        //通过URI的方式，构建数据
                        XhsVideoResourceBean(uri),
                        XhsImageResourceBean(picUri)
                    )    // 封面
                }
                //分享数据
                val sessionId = XhsShareSdk.shareNote(activity, xhsNote)
            }catch (e:Exception){ }
        }
        fun getContentUriForFileProvider(
            filePath: String,
            packages: Array<String> = emptyArray(),
            context: Context = CoreApp.getContext(),
        ): Uri {
            //根据文件路径，生成关联的 content:// 内容 URI 
            val file = File(filePath)
            val contentUri = FileProvider.getUriForFile(
                context,
                "${context.packageName}.FileProvider",
                file
            )
            //赋予权限
            packages.forEach {
                context.grantUriPermission(
                    it,
                    contentUri, Intent.FLAG_GRANT_READ_URI_PERMISSION
                )
            }
            return contentUri
        }
        fun getThumbnailFromVideo(path: String, percent: Int = 0): Bitmap? {
            val retriever = MediaMetadataRetriever()
            var bitmap: Bitmap? = null
            try {
                retriever.setDataSource(path)
                val duration = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)
                    ?.toLongOrNull() ?: 0
                val timePositionUs = (duration / 100f * percent).toLong() * 1000
                bitmap = retriever.getFrameAtTime(
                    timePositionUs, MediaMetadataRetriever.OPTION_CLOSEST
                )
            } catch (e: Exception) {
                log(type = LogType.E, errorThrowable = e)
                e.printStackTrace()
            } finally {
                retriever.release()
            }
            return bitmap
        }