Android 配置Gradle以在开始编译之前执行自定义生成步骤
我今天开始使用Gradle,在搜索了一个小时并尝试了来自SO(例如)和不同博客(例如)以及文档(例如)的所有可能答案后,我需要一些帮助 我的问题很简单:作为常规构建过程的一部分,如何执行定制构建步骤(在我的例子中是使用定制的Android.mk执行ndk构建) build.gradle如下所示:Android 配置Gradle以在开始编译之前执行自定义生成步骤,android,gradle,android-ndk,android-gradle-plugin,build.gradle,Android,Gradle,Android Ndk,Android Gradle Plugin,Build.gradle,我今天开始使用Gradle,在搜索了一个小时并尝试了来自SO(例如)和不同博客(例如)以及文档(例如)的所有可能答案后,我需要一些帮助 我的问题很简单:作为常规构建过程的一部分,如何执行定制构建步骤(在我的例子中是使用定制的Android.mk执行ndk构建) build.gradle如下所示: import org.apache.tools.ant.taskdefs.condition.Os apply plugin: 'com.android.application' android {
import org.apache.tools.ant.taskdefs.condition.Os
apply plugin: 'com.android.application'
android {
compileSdkVersion 19
buildToolsVersion "21.1.2"
defaultConfig {
applicationId "myApp.prototype"
minSdkVersion 16
targetSdkVersion 19
testApplicationId "myApp.prototype.test"
testInstrumentationRunner "android.test.InstrumentationTestRunner"
}
sourceSets.main.jni.srcDirs = []
task ndkBuild(type: Exec, description: 'Compile JNI source via NDK') {
def rootDir = project.rootDir
def localProperties = new File(rootDir, "local.properties")
Properties properties = new Properties()
localProperties.withInputStream { instr ->
properties.load(instr)
}
def ndkDir = properties.getProperty('ndk.dir')
println ndkDir
if (Os.isFamily(Os.FAMILY_WINDOWS)) {
commandLine "$ndkDir\\ndk-build.cmd",
'NDK_PROJECT_PATH=build/intermediates/ndk',
'NDK_LIBS_OUT=src/main/jniLibs',
'APP_BUILD_SCRIPT=src/main/jni/Android.mk',
'NDK_APPLICATION_MK=src/main/jni/Application.mk'
} else {
commandLine "$ndkDir/ndk-build",
'NDK_PROJECT_PATH=build/intermediates/ndk',
'NDK_LIBS_OUT=src/main/jniLibs',
'APP_BUILD_SCRIPT=src/main/jni/Android.mk',
'NDK_APPLICATION_MK=src/main/jni/Application.mk'
}
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
}
}
}
dependencies {
compile 'com.android.support:appcompat-v7:20.+'
compile 'com.google.android.gms:play-services-location:6.5+'
compile 'com.android.support:support-v4:19.1.0'
compile 'com.google.code.gson:gson:2.2.4'
compile fileTree(dir: new File(buildDir, 'libs'), include: '*.jar')
}
gradle.projectsEvaluated {
preBuild.dependsOn(ndkBuild)
}
从命令行执行gradle ndkBuild
时,一切正常。但我希望Android Studio在运行其余的Android编译过程(如GeneratedBugSources、preBuild、preDebugBuild等)时自动运行ndkBuild
我曾试图参与这样的活动:
import org.apache.tools.ant.taskdefs.condition.Os
apply plugin: 'com.android.application'
android {
compileSdkVersion 19
buildToolsVersion "21.1.2"
defaultConfig {
applicationId "myApp.prototype"
minSdkVersion 16
targetSdkVersion 19
testApplicationId "myApp.prototype.test"
testInstrumentationRunner "android.test.InstrumentationTestRunner"
}
sourceSets.main.jni.srcDirs = []
task ndkBuild(type: Exec, description: 'Compile JNI source via NDK') {
def rootDir = project.rootDir
def localProperties = new File(rootDir, "local.properties")
Properties properties = new Properties()
localProperties.withInputStream { instr ->
properties.load(instr)
}
def ndkDir = properties.getProperty('ndk.dir')
println ndkDir
if (Os.isFamily(Os.FAMILY_WINDOWS)) {
commandLine "$ndkDir\\ndk-build.cmd",
'NDK_PROJECT_PATH=build/intermediates/ndk',
'NDK_LIBS_OUT=src/main/jniLibs',
'APP_BUILD_SCRIPT=src/main/jni/Android.mk',
'NDK_APPLICATION_MK=src/main/jni/Application.mk'
} else {
commandLine "$ndkDir/ndk-build",
'NDK_PROJECT_PATH=build/intermediates/ndk',
'NDK_LIBS_OUT=src/main/jniLibs',
'APP_BUILD_SCRIPT=src/main/jni/Android.mk',
'NDK_APPLICATION_MK=src/main/jni/Application.mk'
}
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
}
}
}
dependencies {
compile 'com.android.support:appcompat-v7:20.+'
compile 'com.google.android.gms:play-services-location:6.5+'
compile 'com.android.support:support-v4:19.1.0'
compile 'com.google.code.gson:gson:2.2.4'
compile fileTree(dir: new File(buildDir, 'libs'), include: '*.jar')
}
gradle.projectsEvaluated {
preBuild.dependsOn(ndkBuild)
}
但是不管我把代码放在哪里,或者从各种可用的任务中使用什么任务(当运行gradle任务时),似乎什么都不起作用。您是否尝试过在JavaCompile任务上为ndkBuild添加依赖项