icon.png...

    buffer.writeUtf8CodePoint(0x1a)
    buffer.writeUtf8CodePoint(0x0a)
    server.enqueue(
      MockResponse.Builder()
        .body(buffer)
        .setHeader("Content-Type", "image/png; charset=utf-8")
        .build(),
    )
    val response = client.newCall(request().build()).execute()
    response.body.close()
    applicationLogs
      .assertLogEqual("--> GET $url")

     * 3
     * Content-Type: image/png
     * Content-Length: 100
     * Cache-Control: max-age=600
     * ```
     *
     * A typical HTTPS file looks like this:
     *
     * ```
     * https://google.com/foo
     * GET
     * 2
     * Accept-Language: fr-CA
     * Accept-Charset: UTF-8
     * HTTP/1.1 200 OK
     * 3
     * Content-Type: image/png
     * Content-Length: 100

            .setType(MultipartBody.FORM)
            .addFormDataPart("title", "Square Logo")
            .addFormDataPart("image", "logo-square.png",
                File("docs/images/logo-square.png").asRequestBody(MEDIA_TYPE_PNG))
            .build()

        val request = Request.Builder()
            .header("Authorization", "Client-ID $IMGUR_CLIENT_ID")

Unfortunately it crashes on OkHttp 4.x’s bytecode. Until [Google’s bug][advanced_profiling_bug] is
fixed you must disable advanced profiling in Android Studio.

![Disable Advanced Profiling](../assets/images/disable_advanced_profiling@2x.png)


R8 / ProGuard
-------------

R8 and ProGuard are both code optimizers for `.class` files.

R8 is the [default optimizer][r8] in Android Studio 3.4 and newer. It works well with all