无法使用 android-ndk 和 Android Studio 构建项目
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Can't build project with android-ndk and Android Studio
提问by nyc0202034
I have an android project with FFmpeg and other external libraries. I downloaded the latest version of the ndk (ndk-r10) and am running Android Studio 0.8.0. I am also running Windows 8 64bit with the latest version of cygwin.
我有一个带有 FFmpeg 和其他外部库的 android 项目。我下载了最新版本的 ndk (ndk-r10) 并运行 Android Studio 0.8.0。我也在使用最新版本的 cygwin 运行 Windows 8 64 位。
My project builds without issue and I added the ndk.dir to local.properties. When I try to run I get this error message:
我的项目构建没有问题，我将 ndk.dir 添加到 local.properties。当我尝试运行时，我收到此错误消息：
The System cannot find the path specified
Error:Execution failed for task ':app:compileDebugNdk'.
com.android.ide.common.internal.LoggedErrorException: Failed to run command:
C:\Users\John1\AppData\Local\Android\android-ndk-r10\ndk-build.cmd
NDK_PROJECT_PATH=null
APP_BUILD_SCRIPT=C:\Users\John1\AndroidstudioProjects\android-project\app\build\intermediates\ndk\debug\Android.mk
APP_PLATFORM=android-18
NDK_OUT=C:\Users\John1\AndroidstudioProjects\android-project\app\build\intermediates\ndk\debug\obj
NDK_LIBS_OUT=C:\Users\John1\AndroidstudioProjects\android-project\app\build\intermediates\ndk\debug\lib
APP_ABI=all
Error Code:
1
Output:
The system cannot find the path specified.
Looking for advice. Thank you.
寻求建议。谢谢你。
回答by ph0b
with Android Studio, NDK support is preliminary and your *.mk files are ignored.
You can make Android Studio/gradle reuse them by deactivating the default NDK integration, make it call ndk-build(.cmd) by itself, and use standard libs/location for integrating .so files:
对于 Android Studio，NDK 支持是初步的，您的 *.mk 文件将被忽略。您可以通过停用默认的 NDK 集成来使 Android Studio/gradle 重用它们，使其自身调用 ndk-build(.cmd)，并使用标准libs/位置来集成 .so 文件：
import org.apache.tools.ant.taskdefs.condition.Os
apply plugin: 'android'
android {
compileSdkVersion 19
buildToolsVersion "19.0.3"
defaultConfig{
minSdkVersion 15
targetSdkVersion 19
versionCode 101
versionName "1.0.1"
}
sourceSets.main {
jniLibs.srcDir 'src/main/libs'
jni.srcDirs = [] //disable automatic ndk-build call
}
// call regular ndk-build(.cmd) script from app directory
task ndkBuild(type: Exec) {
if (Os.isFamily(Os.FAMILY_WINDOWS)) {
commandLine 'ndk-build.cmd', '-C', file('src/main').absolutePath
} else {
commandLine 'ndk-build', '-C', file('src/main').absolutePath
}
}
tasks.withType(JavaCompile) {
compileTask -> compileTask.dependsOn ndkBuild
}
}
If you need more information, here is my blog post on this topic: http://ph0b.com/android-studio-gradle-and-ndk-integration/
如果您需要更多信息，这是我关于此主题的博客文章：http: //ph0b.com/android-studio-gradle-and-ndk-integration/
