blocks|key|1286970|text|4.为本机功能配置+Android+构建|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|1286971|4a.将C%2B%2B项目与Gradle连接起来|1286972|首先，检查tess-two项目中的构建文件。您可以选择CMakeLists.txt或Android.mk文件。目前两者都得到了支持。|CODE|1286973|​|1286974|📷|atomic|1286975|1286976|在本例中，我使用了ndk-build，这似乎是集成本机代码的最佳选择。|1286977|1286978|1286979|1286980|有关更多信息，请参阅Android文档|1286981|4b.管理长命令|1286982|在Windows中，如果命令长度增长过大，可能会遇到错误。要防止出现问题，请在LOCAL_SHORT_COMMANDS文件中使用Android.mk和APP_SHORT_COMMANDS。|1286983|1286984|1286985|1286986|"e=87“错误是通过这样做所避免的：|1286987|1286988|1286989|1286990|有关该主题的更多信息，请参见关于87错误的stackoverflow问题。|1286991|4c.为tess-2添加模块依赖项|1286992|在文件>项目结构>依赖项中，使用%2B添加tess-two依赖项：|1286993|1286994|1286995|1286996|4d.构建项目并检查.apk文件中的.so文件|1286997|构建需要很长时间，现在就应该完成。验证.apk文件是否包含在构建期间创建的.so文件。使用静态初始化器中的tess-two库，在您的Android设备上运行项目：|1286998|1286999|1287000|1287001|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/1dbd39e73c1750467e1987ff4913f906.png|imageAlt|1|https://developer.qcloudimg.com/http-save/yehe-900000/b1bd88f1f700a205ab7dddeda32de611.png|2|LINK|MUTABLE|url|https://developer.android.com/studio/projects/add-native-code.html#link-with-ui|3|https://developer.qcloudimg.com/http-save/yehe-900000/6d0bb64530e24486d1499a7831827d04.png|4|https://developer.qcloudimg.com/http-save/yehe-900000/6e12fc333112dfe8863ad242bc291919.png|5|https://stackoverflow.com/questions/12598933/ndk-build-createprocess-make-e-87-the-parameter-is-incorrect|6|https://developer.qcloudimg.com/http-save/yehe-900000/9d78a0eeb6b29ca81205af180f36b49d.png|7|https://developer.qcloudimg.com/http-save/yehe-900000/4e752790dbf9abbdd454988de7d90099.png^0|0|9|A|A|0|0|K|0|0|1U|5|8|0|0|1|0|0|1|0|1|0|0|0|1|0|0|Z|9|9|0|0|1|0|0|1|0|1|1|0|0|1|0|0|J|A|9|2|0|0|8|0|0|2M|13|K|1S|A|23|I|0|0|1|0|0|1|0|1|3|0|0|1|0|0|J|0|0|1|0|0|1|0|1|4|0|0|1|0|0|11|E|M|5|0|0|H|0|0|V|J|8|0|0|1|0|0|1|0|1|6|0|0|1|0|0|N|0|0|29|J|4|11|3|1H|8|0|0|1|0|0|1|0|1|7|0|0|1|0^^$0|@$1|2|3|4|5|6|7|2F|8|@$9|2G|A|2H|B|C]|$9|2I|A|2J|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|2K|8|@$9|2L|A|2M|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|2N|8|@$9|2O|A|2P|B|C]|$9|2Q|A|2R|B|J]]|D|@]|E|$]]|$1|K|3|L|5|6|7|2S|8|@$9|2T|A|2U|B|C]]|D|@]|E|$]]|$1|M|3|N|5|O|7|2V|8|@$9|2W|A|2X|B|C]]|D|@$9|2Y|A|2Z|1|30]]|E|$]]|$1|P|3|L|5|6|7|31|8|@$9|32|A|33|B|C]]|D|@]|E|$]]|$1|Q|3|R|5|6|7|34|8|@$9|35|A|36|B|C]|$9|37|A|38|B|J]]|D|@]|E|$]]|$1|S|3|L|5|6|7|39|8|@$9|3A|A|3B|B|C]]|D|@]|E|$]]|$1|T|3|N|5|O|7|3C|8|@$9|3D|A|3E|B|C]]|D|@$9|3F|A|3G|1|3H]]|E|$]]|$1|U|3|L|5|6|7|3I|8|@$9|3J|A|3K|B|C]]|D|@]|E|$]]|$1|V|3|W|5|6|7|3L|8|@$9|3M|A|3N|B|C]]|D|@$9|3O|A|3P|1|3Q]]|E|$]]|$1|X|3|Y|5|6|7|3R|8|@$9|3S|A|3T|B|C]]|D|@]|E|$]]|$1|Z|3|10|5|6|7|3U|8|@$9|3V|A|3W|B|C]|$9|3X|A|3Y|B|J]|$9|3Z|A|40|B|J]|$9|41|A|42|B|J]]|D|@]|E|$]]|$1|11|3|L|5|6|7|43|8|@$9|44|A|45|B|C]]|D|@]|E|$]]|$1|12|3|N|5|O|7|46|8|@$9|47|A|48|B|C]]|D|@$9|49|A|4A|1|4B]]|E|$]]|$1|13|3|L|5|6|7|4C|8|@$9|4D|A|4E|B|C]]|D|@]|E|$]]|$1|14|3|15|5|6|7|4F|8|@$9|4G|A|4H|B|C]]|D|@]|E|$]]|$1|16|3|L|5|6|7|4I|8|@$9|4J|A|4K|B|C]]|D|@]|E|$]]|$1|17|3|N|5|O|7|4L|8|@$9|4M|A|4N|B|C]]|D|@$9|4O|A|4P|1|4Q]]|E|$]]|$1|18|3|L|5|6|7|4R|8|@$9|4S|A|4T|B|C]]|D|@]|E|$]]|$1|19|3|1A|5|6|7|4U|8|@$9|4V|A|4W|B|C]]|D|@$9|4X|A|4Y|1|4Z]]|E|$]]|$1|1B|3|1C|5|6|7|50|8|@$9|51|A|52|B|C]]|D|@]|E|$]]|$1|1D|3|1E|5|6|7|53|8|@$9|54|A|55|B|C]|$9|56|A|57|B|J]]|D|@]|E|$]]|$1|1F|3|L|5|6|7|58|8|@$9|59|A|5A|B|C]]|D|@]|E|$]]|$1|1G|3|N|5|O|7|5B|8|@$9|5C|A|5D|B|C]]|D|@$9|5E|A|5F|1|5G]]|E|$]]|$1|1H|3|L|5|6|7|5H|8|@$9|5I|A|5J|B|C]]|D|@]|E|$]]|$1|1I|3|1J|5|6|7|5K|8|@$9|5L|A|5M|B|C]]|D|@]|E|$]]|$1|1K|3|1L|5|6|7|5N|8|@$9|5O|A|5P|B|C]|$9|5Q|A|5R|B|J]|$9|5S|A|5T|B|J]|$9|5U|A|5V|B|J]]|D|@]|E|$]]|$1|1M|3|L|5|6|7|5W|8|@$9|5X|A|5Y|B|C]]|D|@]|E|$]]|$1|1N|3|N|5|O|7|5Z|8|@$9|60|A|61|B|C]]|D|@$9|62|A|63|1|64]]|E|$]]|$1|1O|3|L|5|6|7|65|8|@$9|66|A|67|B|C]]|D|@]|E|$]]|$1|1P|3|-4|5|6|7|68|8|@]|D|@]|E|$]]]|1Q|$1R|$5|1S|1T|1U|E|$1V|1W|1X|-4]]|1Y|$5|1S|1T|1U|E|$1V|1Z|1X|-4]]|20|$5|21|1T|22|E|$23|24]]|25|$5|1S|1T|1U|E|$1V|26|1X|-4]]|27|$5|1S|1T|1U|E|$1V|28|1X|-4]]|29|$5|21|1T|22|E|$23|2A]]|2B|$5|1S|1T|1U|E|$1V|2C|1X|-4]]|2D|$5|1S|1T|1U|E|$1V|2E|1X|-4]]]]

4. Configure Android Studio build for native functionality

4a. Link C++ Project with Gradle

First, check the <code>tess-two</code> project for build files. You may select CMakeLists.txt or Android.mk files. Both are currently supported.

<a href="https://i.stack.imgur.com/2Zjg9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/2Zjg9.png" alt="checking project build config files"></a>

In this case, I used <code>ndk-build</code>, which seemed like a good bet for integrating the native code.

<a href="https://i.stack.imgur.com/aOEAB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/aOEAB.png" alt="Linking C++ project"></a>

For more information, see <a href="https://developer.android.com/studio/projects/add-native-code.html#link-with-ui" rel="nofollow noreferrer">Android Studio documentation</a>

4b. Manage Long Commands

In Windows, errors may be encountered if the command length grows too large. To prevent problems, use <code>LOCAL_SHORT_COMMANDS</code> AND <code>APP_SHORT_COMMANDS</code> in the <code>Android.mk</code> file.

<a href="https://i.stack.imgur.com/XfBQJ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/XfBQJ.png" alt="Adding attributes that reduce command length"></a>

The "e=87" error is what you are avoiding by doing this:

<a href="https://i.stack.imgur.com/skjQV.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/skjQV.png" alt="The parameter is incorrect error 87 message"></a>

For more on that topic, see <a href="https://stackoverflow.com/questions/12598933/ndk-build-createprocess-make-e-87-the-parameter-is-incorrect">stackoverflow question about error 87</a>.

4c. Add Module Dependency for tess-two

In File > Project Structure > Dependencies use the + to add the <code>tess-two</code> dependency:

<a href="https://i.stack.imgur.com/YVMGK.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YVMGK.png" alt="add tess-two as a dependency"></a>

4d. Build the Project and check .apk file for .so files

The build, which takes a long time, should complete now. Validate that the <code>.apk</code> file contains the <code>.so</code> files, created during the build. With the <code>tess-two</code> libraries in an static initializer, run the project on your Android device:

<a href="https://i.stack.imgur.com/nEWGH.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/nEWGH.png" alt="apk file with tess-two .so files and running test app"></a>

There are answers about getting the <code>tess-two</code> project integrated into an Android project within Android Studio, but many are out-dated and none used the current capabilities defined here:

<blockquote>
 Using Android Studio 2.2 and higher, you can use the NDK to compile C and C++ code into a native library and package it into your APK using Gradle, the IDE's integrated build system. Your Java code can then call functions in your native library through the Java Native Interface (JNI)
</blockquote>

What specific steps would be required to make <code>tess-two</code> functionality a part of the resulting APK, using functionality within Android Studio, rather than external file placement, manipulation and command line tools? So taking the building, creation of *.so files into the IDE. Specifically using just Android Studio's integrated build system (Gradle) as described <a href="https://developer.android.com/ndk/guides/index.html" rel="nofollow noreferrer">here</a>.

1. Start a new project

<a href="https://i.stack.imgur.com/es3k8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/es3k8.png" alt="starting a new Android Studio project with C++ support"></a>

2. Import Tess-Two into the project

<a href="https://i.stack.imgur.com/ZiVHX.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ZiVHX.png" alt="import tess-two as a module in the new project"></a>

2b. Add any needed plug-ins

<a href="https://i.stack.imgur.com/5FW1Y.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/5FW1Y.png" alt="add to tess-two build.gradle to pull required plug-ins"></a>

3. Add code in the main activity to get native functionality

<a href="https://i.stack.imgur.com/Dot81.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Dot81.png" alt="static import of tess-two native files"></a>

4. Configure Android Studio build so that native functionality is available

This is where the specifics are required

Building tess-two into a project using Android Studio's gradle build

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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关于将tess-two项目集成到Android内的安卓项目中，有一些答案，但许多已经过时，而且没有一个使用了这里定义的当前功能：使用AndroidStudio2.2和更高版本，您可以使用NDK将C和C++代码编译到本机库中，并使用IDE的集成构建系统Gradle将其打包到APK中。然后，Java代码可以通过(JNI)调用本机库中的函数。使用Android中的功能，而不是外部文件放置、操作和命令行工

问使用Android的gradle构建将tess构建成一个项目
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