如何接收音量改变事件的声音（通话中）流类型？音量、声音、类型、事件
我想注册一个广播接收器处理 VOLUME_CHANGED_ACTION 事件，只为 volume_voice 流类型（这是我经验看是在指数 0 Settings.System.VOLUME_SETTINGS ）。
I'm trying to register a broadcast receiver to handle the VOLUME_CHANGED_ACTION event, only for the volume_voice stream type (which I empirically see to be index 0 in Settings.System.VOLUME_SETTINGS).
标签 EXTRA_VOLUME_STREAM_TYPE 是隐藏的，所以我使用了明确的字符串android.media.EXTRA_VOLUME_STREAM_TYPE而不是。这一切都正常工作在Android 2.3.4（得值 0 为 volume_voice 如预期），但在2.3.5这额外的存放值是 10 ，其中给出了一个 ArrayIndexOutOfBoundsException异常在 Settings.System。 VOLUME_SETTINGS 。
此外，我看到 volume_voice 仍是 Settings.System.VOLUME_SETTINGS 。
The label EXTRA_VOLUME_STREAM_TYPE is hidden, so I have used the explicit string "android.media.EXTRA_VOLUME_STREAM_TYPE" instead. It all worked fine on Android 2.3.4 (got value 0 for volume_voice as expected), but on 2.3.5 the value that this extra holds is 10, which gives an ArrayIndexOutOfBoundsException on Settings.System.VOLUME_SETTINGS.
Moreover, I see that volume_voice is still index 0 in Settings.System.VOLUME_SETTINGS.
有没有更可靠的方法来处理 VOLUME_CHANGED_ACTION 为 volume_voice 流类型？
Is there a more robust way to handle VOLUME_CHANGED_ACTION for volume_voice stream types?
修改或任何其他的方式做题要的是什么？
Edit Or any other way to do what the title asks for?
推荐答案
我的临时（也可能是坏的）解决办法是捕捉 ArrayIndexOutOfBoundsException异常，并在catch块测试流类型具有的价值 Settings.System.VOLUME_SETTINGS.length 。
My temporary (and probably bad) workaround is to catch the ArrayIndexOutOfBoundsException, and in the catch block to test the stream type to have value of Settings.System.VOLUME_SETTINGS.length.
这是最好的，我有这么远。我不知道这是否会赶上其他流类型为好，同时如果是去工作，其他Android版本比2.3.3-2.3.5。
This is the best I have so far. I don't know if it might catch other stream types as well, and also if it is going to work on other Android versions than 2.3.3-2.3.5.
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