Android 通话录音功能
正如其他帖子中所讨论的，大多数 Android 设备不支持通话录音。 录制 AudioSource.VOICE_CALL 在我的 Samsung Galaxy S2 上工作正常。
有谁知道支持这是 Google 的新趋势，还是只是 SGS2 特有的功能？
As discussed in other posts, most Android devices don't support recording calls.
Recording AudioSource.VOICE_CALL does though work fine on my Samsung Galaxy S2.
Does anyone know if supporting this is Google's new trend, or it's just a feature specific to SGS2?
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我不相信谷歌会朝着录音语音通话的方向发展。事实上，我认为由于严重的安全问题，他们可能正在研究不允许这种情况发生的方法。说到这里，最近几天发生的一些新闻之前曾有过此类安全缺陷的报告。我认为使用
AudioSource.VOICE_CALL并不意味着以这种方式使用。希望这能回答您的问题。更新：不幸的是，2011 年的新闻链接现已损坏。对此感到抱歉。
I don't believe that Google is moving towards recording voice calls. In fact, I think they are probably working on ways not to allow this due to large security issues. Speaking of which, some recent news that happened a few days ago reports of such security flaws. I don't think that using
AudioSource.VOICE_CALLwas meant to be used in this way. Hope this answered your question.Update: News link from 2011 is unfortunately broken now. Sorry about that.
Google 对此没有任何控制权（除非他们开始强制要求设备必须/不得在其兼容性定义文档中支持语音通话录音）。
他们为应用程序提供了一种通过添加来请求语音通话音频的方法
VOICE_CALLAudioSource，但此功能的实际实现是特定于平台的，由平台供应商和 OEM 处理。然而，您现在可能会看到比 2011 年（或 2010 年）更多的平台支持此功能，因为新平台需要一段时间才能出现在市场上。消费品）。
在过去的几年里，我使用过大约六种不同的移动平台。其中，每一个都支持录制语音通话，尽管其中两个软件支持尚未完成。
TL;DR：不，这不是 SG2 特定的功能，但也没有得到普遍支持。而且它实际上与谷歌没有任何关系。
Google doesn't have any control over this (unless they start mandating that devices must / mustn't support voice call recording in their Compatibility Definition Document).
They have provided a way for applications to request the voice call audio by adding the
VOICE_CALLAudioSource, but the actual implementation of this feature is platform-specific and is handled by the platform vendors and OEMs.It may, however, be the case that you see more platforms having support for this feature now than you did back in 2011 (or 2010, since it takes a while for new platforms to appear on the market in consumer products).
I've worked with about half a dozen different mobile platforms over the last couple of years. Of these, every single one has had support for recording voice calls, although on two of them the software support was unfinished.
TL;DR: No, it's not an SG2-specific feature, but it's also not universally supported. And it doesn't really have anything to do with Google.