Android 可用的 MIME 类型？
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/23385520/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
Android available mime-types?
提问by JoaoFilipeClementeMartins
After several searches online, I couldn't find a place that could tell me every existent mime type for different types of media in android applications.
在网上搜索了几次之后，我找不到一个地方可以告诉我 android 应用程序中不同类型媒体的每种存在的 mime 类型。
Here are the ones I know that exist and work:
以下是我所知道的存在和工作的：
For Text
对于文本
"text/plain"
For Image
对于图像
"image/jpeg"
"image/bmp"
"image/gif"
"image/jpg"
"image/png"
For Video
对于视频
"video/wav"
"video/mp4"
These are the ones I have and know that work, I am lacking several for video and sound type files. Does anyone know a place where every android mime-type is described or do you guys ever used another mime-type for these different types of media?
这些是我拥有并知道可以工作的文件，我缺少一些用于视频和声音类型文件的文件。有谁知道描述每个 android mime-type 的地方，或者你们是否曾为这些不同类型的媒体使用另一种 mime-type？
EDIT:
编辑：
I am using this in an application that monitors SMS and MMS and in the MMS type manages the content inside it. The code I have runs for every version above 8.
我在监控 SMS 和 MMS 的应用程序中使用它，并在 MMS 类型中管理其中的内容。我为 8 以上的每个版本运行的代码。
采纳答案by tianya
I did some search these days.
这几天我搜了一下。
maybe you shoud read these links.
也许你应该阅读这些链接。
- MediaStore supported MIME type is here: http://androidxref.com/4.4.4_r1/xref/frameworks/base/media/java/android/media/MediaFile.java#174
- And there is also a API URLConnection.getFileNameMap()
- And its inner side is here: http://androidxref.com/4.4.4_r1/xref/libcore/luni/src/main/java/libcore/net/MimeUtils.java
- MediaStore 支持的 MIME 类型在这里：http: //androidxref.com/4.4.4_r1/xref/frameworks/base/media/java/android/media/MediaFile.java#174
- 还有一个 API URLConnection.getFileNameMap()
回答by CommonsWare
I couldn't find a place that could tell me every existent mime type for different types of media in android applications
我找不到一个地方可以告诉我 Android 应用程序中不同类型媒体的每种现有 mime 类型
There are over a million applications on the Play Store, plus others elsewhere (e.g., pre-installed on devices, Amazon AppStore for Android). A given device will have some combination of these apps. A given user will have access to some subset of the apps on the device, if the user is running in an Android 4.3+ restricted profile on a tablet.
Play 商店上有超过一百万个应用程序，以及其他地方的其他应用程序（例如，预装在设备上、适用于 Android 的 Amazon AppStore）。给定的设备将具有这些应用程序的某种组合。如果用户在平板电脑上运行 Android 4.3+ 受限配置文件，则该用户将有权访问设备上的某些应用子集。
Hence, there is no way to know, at compile time, what MIME types a given Android device can support for things like ACTION_VIEWactivity requests. The OS itself supports no such MIME types -- they are all provided by applications.
因此，在编译时无法知道给定的 Android 设备可以支持哪些 MIME 类型来支持诸如ACTION_VIEW活动请求之类的事情。操作系统本身不支持这样的 MIME 类型——它们都是由应用程序提供的。
Here are the ones I know that exist and work:
以下是我所知道的存在和工作的：
Some devices may have apps pre-installed that support those MIME types. text/plainis the least likely of your set to be supported "out of the box".
某些设备可能预装了支持这些 MIME 类型的应用程序。text/plain是您的套装中最不可能“开箱即用”的。
回答by StrawDragon
You can use existing mapping in Android String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(ext.toLowerCase());
您可以使用 Android 中现有的映射 String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(ext.toLowerCase());
