Android 10 / API 29 Kotlin -以图片形式下载视频到子目录

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

val directory = File(Environment.getExternalStorageDirectory(), "downloads")
if (!directory.exists()) {
    directory.mkdirs()
}

val client = OkHttpClient()
val request = Request.Builder()
    .url("视频文件的URL")
    .build()

client.newCall(request).enqueue(object : Callback {
    override fun onFailure(call: Call, e: IOException) {
        // 下载失败的处理逻辑
    }

    override fun onResponse(call: Call, response: Response) {
        val inputStream = response.body?.byteStream()
        val outputFile = File(directory, "video.mp4")
        val outputStream = FileOutputStream(outputFile)

        inputStream?.use { input ->
            outputStream.use { output ->
                input.copyTo(output)
            }
        }

        // 下载完成的处理逻辑
    }
})