2个URI的区别
我正在尝试保存附件（彩信和 GMail）
Uri uri;
uri = Uri.parse("content://mms/part/" + mmsPartId);
uri = Uri.parse("content://gmail-ls/messages/[email protected]/messageId/attachments/0.1/BEST/true");
InputStream inputStream = getContentResolver().openInputStream(uri);
openInputStream 对于彩信工作正常，但对于 GMail 我收到错误： “打开SD卡上带有附件直接路径的附件”
我不明白什么是“附件直接路径”？
I'm trying to save attachment (mms and GMail)
Uri uri;
uri = Uri.parse("content://mms/part/" + mmsPartId);
uri = Uri.parse("content://gmail-ls/messages/[email protected]/messageId/attachments/0.1/BEST/true");
InputStream inputStream = getContentResolver().openInputStream(uri);
openInputStream works fine for mms, but for GMail i got error:
"open attachments that are on the sd card with the direct path to the attachment"
I don't understand what "direct path to the attachment"?
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使用这样的手写字符串非常可能会导致您编写的应用程序崩溃。特别是，SDK 中没有与 gmail 交互的定义。 Gmail不是 SDK 的一部分。你不能指望它能起作用；这是gmail的一个实现细节，可以随时任意更改。 （Gmail 甚至不是该平台的一部分；它基本上只是一些随机的应用程序，恰好是由 Google 编写的，您正试图深入其中。）
Using hand-written strings like this is very likely to result in you writing an app that breaks. In particular -- there is no definition in the SDK for interacting with gmail. Gmail is not part of the SDK. You can't count on this working; it is an implementation detail of gmail that can change arbitrarily at any time. (Gmail isn't even part of the platform; it is basically just some random app, that happens to be written by Google, that you are trying to poke inside of.)