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问题描述

我通过这个How来连接多个字符串在Android的XML?,并在最后有评论认为

为了清楚起见,其作品:

<字符串名称=称号> @字符串/ APP_NAME< /串> - 安杰DUS

我做我自己的例子,但它不工作。所以做的安杰的错误还是我做错了什么在我的code。

R.strings.bbb 应包含BBB AAA但代替BBB AAA包含BBB @字符串/ AAA

 <字符串名称=AAA> AAA< /串>
<字符串名称=BBB> BBB @字符串/ AAA< /串>
 

查询:

是否有可能做一些串联仅在XML中,没有源$ C ​​$ C的变化?

我之所以不想在code编辑,因为我用这个字符串 XML / preferences.xml

例如:

<表preference安卓键=key_bbb机器人:标题=@字符串/ BBB ...

如果你明白我的意思,这里有没有可能使用这样的事情

 字符串标题= res.getString(R.string.title,的appName);
 

解决方案

不,我不认为你可以连接。

 <字符串名称=AAA> AAA< /串>
<字符串名称=BBB> BBB @字符串/ AAA< /串>
 

输出 - BBB @字符串/ AAA

如果你做的,

 <字符串名称=AAA> AAA< /串>
<字符串名称=BBB> @字符串/ AAA BBB< /串> - >这将不能工作,
                                                      会给编译错误
 

由于这将搜索与引用的String @字符串/ AAA BBB 不存在。

在你的情况的问题是,你在哪里使用 @字符串/ AAA @字符串/ AAA

I go through this How to concatenate multiple strings in android XML? and in the end there are comments that

For clarity, Its works:

<string name="title">@string/app_name</string>.Andrzej Duś

I made my own example but it doesn't works. So does Andrzej wrong or I am doing something wrong in my code.

R.strings.bbb should contains "bbb aaa"but instead of "bbb aaa" it contains "bbb @strings/aaa"

<string name="aaa">aaa</string>
<string name="bbb">bbb @strings/aaa</string>

Query:

Is it possible to do some concatenation only in xml, without source code changes?

Reason why I don't want to edit in code because I use this strings in xml/preferences.xml

For Example:

<ListPreference android:key="key_bbb" android:title="@string/bbb" ....

If you know what I mean, here there is no possibility to use something like this

String title = res.getString(R.string.title, appName);
解决方案

No I don't think you can concatenate.

<string name="aaa">aaa</string>
<string name="bbb">bbb @string/aaa</string>

Output - bbb @string/aaa

If you do,

<string name="aaa">aaa</string>
<string name="bbb">@string/aaa bbb</string>  -> This won't work it
                                                      will give compilation error

Because here it will search for a String with reference @string/aaa bbb which does not exists.

Problem in your case was, you where using @strings/aaa which should be @string/aaa

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10-29 11:06