Android构建错误，不显示R内容

Question

所以，我只是把我的应用程序转移到另一台笔记本电脑上，当我试图构建这个错误时，出现了提示。请帮忙。我需要改变什么？

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:mergeDebugResources'.
> java.util.concurrent.ExecutionException: com.android.builder.internal.aapt.v2.Aapt2Exception: Android resource compilation failed
  Output:  C:\Users\Rhylle Vincent\Desktop\01-03-2018-740pm\app\build\intermediates\incremental\mergeDebugResources\merged.dir\values\values.xml:651: error: <item> inner element must either be a resource reference or empty.
  C:\Users\Rhylle Vincent\Desktop\01-03-2018-740pm\app\build\intermediates\incremental\mergeDebugResources\merged.dir\values\values.xml:652: error: <item> inner element must either be a resource reference or empty.

  Command: C:\Users\Rhylle Vincent\.gradle\caches\transforms-1\files-1.1\aapt2-3.2.1-4818971-windows.jar\f919f683d074912d6e0f1b8bf0931ab0\aapt2-3.2.1-4818971-windows\aapt2.exe compile --legacy \
          -o \
          C:\Users\Rhylle Vincent\Desktop\01-03-2018-740pm\app\build\intermediates\res\merged\debug \
          C:\Users\Rhylle Vincent\Desktop\01-03-2018-740pm\app\build\intermediates\incremental\mergeDebugResources\merged.dir\values\values.xml
  Daemon:  AAPT2 aapt2-3.2.1-4818971-windows Daemon #0
  Output:  C:\Users\Rhylle Vincent\Desktop\01-03-2018-740pm\app\src\main\res\values\ids.xml:4:5-54: AAPT: error: <item> inner element must either be a resource reference or empty.

  C:\Users\Rhylle Vincent\Desktop\01-03-2018-740pm\app\src\main\res\values\ids.xml:3:5-47: AAPT: error: <item> inner element must either be a resource reference or empty.

  Command: C:\Users\Rhylle Vincent\.gradle\caches\transforms-1\files-1.1\aapt2-3.2.1-4818971-windows.jar\f919f683d074912d6e0f1b8bf0931ab0\aapt2-3.2.1-4818971-windows\aapt2.exe compile --legacy \
          -o \
          C:\Users\Rhylle Vincent\Desktop\01-03-2018-740pm\app\build\intermediates\res\merged\debug \
          C:\Users\Rhylle Vincent\Desktop\01-03-2018-740pm\app\build\intermediates\incremental\mergeDebugResources\merged.dir\values\values.xml
  Daemon:  AAPT2 aapt2-3.2.1-4818971-windows Daemon #0

* Try:
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* Get more help at https://help.gradle.org

BUILD FAILED in 7s

ids.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <item name="timebar" type="id">Time</item>
    <item name="textClock" type="id">textClock</item>
</resources>

Answer 1

在资源文件上，删除结束标记和正文，即删除“tv_deviceName”

  <item type="id" name="button_ok">tv_deviceName</item>

Id应该如下所示

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <item type="id" name="button_ok" />
    <item type="id" name="dialog_exit" />
</resources>

然后，此布局片段使用按钮小部件的“button_ok”ID：

<Button android:id="@id/button_ok"
    .... />

注意，android:id值在id引用中不包含加号，因为id已经存在，如上面的ids.xml示例中所定义的。(当您使用加号——以android:id="@ id/name格式——指定XML资源的ID时，这意味着“name”ID不存在，应该创建它。)

另一个示例是，以下代码段使用“dialog_exit”ID作为对话框的唯一标识符：

showDialog(R.id.dialog_exit);

折射：点击这里。

Answer 2

应该是：

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <item name="timebar" type="id"/>
    <item name="textClock" type="id"/>
</resources>

裁判来了。