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Android 按名称获取资源_Android - Fatal编程技术网

Android 按名称获取资源

Android 按名称获取资源,android,Android,嘿 我的/values/strings.xml中有: <resources> <string name="error418">Bad Request</string> <string name="error404">Not Found</string> ...... </resources> 错误的请求 找不到 ...... 在/value de/strings.xml中相同 现在我想通过字符串

我的/values/strings.xml中有:

<resources>
    <string name="error418">Bad Request</string>
    <string name="error404">Not Found</string>
    ......
</resources>

错误的请求
找不到
......
在/value de/strings.xml中相同

现在我想通过字符串“error418”获取错误消息

我只找到了context.getString(int…)


如何通过代码获取错误消息?

如果您想动态获取资源id,例如根据错误代码,您需要使用

e、 g

String err_code = ...;
int strId = context.getResources().getIdentifier("error" + err_code, "string", "packagename");
if (strId != 0)
    Toast.maketext(context, context.getString(strId), Toast.LENGTH_LONG).show();
else 
    Toast.maketext(context, "Unknown error", Toast.LENGTH_LONG).show();