Android版OpenCV 2.4.6显示错误

我正在尝试在Android上运行HelloCV，并且一直在关注Android上OpenCV的文档。不幸的是，我在使用OpenCV 2.4.6时偶然发现了这个错误

在“清理所有项目”下，我发现了以下错误：

Errors occurred during the build.
Errors running builder 'Android Resource Manager' on project 'OpenCV Library - @OPENCV_VERSION@'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Sample - 15 puzzle'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Sample - color-blob-detection'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Sample - face-detection'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Sample - image-manipulations'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Sample - native-activity'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Tutorial 1 - Camera Preview'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Tutorial 2 - Mixed Processing'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Tutorial 3 - Camera Control'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV_JavaAPI_Tests'.
java.lang.NullPointerException

在构建工作空间时，我得到了这些错误

Errors occurred during the build.
Errors running builder 'Android Resource Manager' on project 'OpenCV Library - @OPENCV_VERSION@'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Sample - 15 puzzle'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Sample - color-blob-detection'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Sample - face-detection'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Sample - image-manipulations'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Sample - native-activity'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Tutorial 1 - Camera Preview'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Tutorial 2 - Mixed Processing'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV Tutorial 3 - Camera Control'.
java.lang.NullPointerException
Errors running builder 'Android Resource Manager' on project 'OpenCV_JavaAPI_Tests'.
java.lang.NullPointerException

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我是否应该尝试使用其他版本的OpenCV，或者我的环境中存在一些固有的配置问题。谢谢。

我想你没有仔细阅读教程。关注android和opencv部分