使用Android Studo开发NDK之Gradle的配置(能debug C代码)
配置:
用的版本号是AS1.5(也能够尝试更高版本号)。 Gradle地址是distributionUrl=https\://services.gradle.org/distributions/gradle-2.8-all.zip
NDK用的是CrystaX NDK
有參考:https://github.com/TsinStudio/AndroidDev/blob/master/Android%20NDK%20C%2B%2B%20开发利器:Android%20Studio.md
常见问题:
1.我在mk的NDK配置和gradle的NDK配置间切换时,突然不能debug进C++代码了。然后通过
清空main/jni/android.mk文件,
点击build->clean,
在debug界面右键tab标题(如 ctbManager Native)->close tab(关闭全部debug的tab)后又能debug进去了,
不知道是哪一步fix了问题。假设遇到编译成功但不能debug C++文件,尝试这几个步骤吧。同一时候不建议mk和gradle配置之间切换。
2.假设C文件报错。考虑能否改动C文件,比解决报错要简单
gradle代码:
- import org.apache.tools.ant.taskdefs.condition.Os
- import org.gradle.internal.os.OperatingSystem;
- apply plugin: 'com.android.model.application'
- final APP_ABIS = ["armeabi", "armeabi-v7a","arm64-v8a"]
- final BOOST_SHARED_LIBS = ["boost_serialization","boost_system","boost_filesystem","boost_thread"]
- model {
- android {
- compileSdkVersion = 23
- buildToolsVersion = "23.0.2"
- defaultConfig.with {
- applicationId = "com.duotin.ctblib"
- minSdkVersion.apiLevel = 15
- targetSdkVersion.apiLevel = compileSdkVersion.asType(Integer)
- versionCode = 1
- versionName = "1.0"
- }
- }
- android.ndk {
- toolchain = "gcc"
- toolchainVersion = "4.9"
- moduleName = "ctblib"
- cppFlags.add("-std=c++11")
- cppFlags.add("-fexceptions")
- cppFlags.add("-frtti")
- cppFlags.add("-I" + getBoostIncDir())
- cppFlags.addAll(["-fvisibility=hidden", "-Wno-error=format-security",
- "-I${file("src/main/jni/jnisrc")}".toString(),
- "-I${file("src/main/jni/src/Jelly")}".toString(),
- "-I${file("src/main/jni/src/Papaya")}".toString(),
- "-I${file("src/main/jni/src/Helper")}".toString(),
- "-I${file("src/main/jni/src/Helper/utf8")}".toString(),
- "-I${file("src/main/jni/src/CTBModel")}".toString(),
- "-I${file("src/main/jni/src/CTBModel/CTBAlbum")}".toString(),
- "-I${file("src/main/jni/src/CTBModel/CTBAlbumParser")}".toString(),
- "-I${file("src/main/jni/src/CTBModel/CTBBaseModel")}".toString(),
- "-I${file("src/main/jni/src/CTBModel/CTBTrack")}".toString(),
- "-I${file("src/main/jni/src/Xml")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlModel")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlModel/XmlAttrNode")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlModel/XmlBaseNode")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlModel/XmlElementNode")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlModel/XmlTextNode")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlUtil")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlUtil/BoostXmlUtil")}".toString(),
- "-I${file("src/main/jni/src/Module")}".toString(),
- "-I${file("src/main/jni/src/CTBDataManager")}".toString(),
- "-I${file("src/main/jni/src/Sync/SyncProcess")}".toString(),
- "-I${file("src/main/jni/src/Sync/Task")}".toString(),
- "-I${file("src/main/jni/src/SyncLog")}".toString(),
- "-I${file("src/main/jni/src/Utils")}".toString()]
- )
- cppFlags.add("-I${file("src/main/jni/neon/include")}".toString())
- CFlags.addAll(["-I${file("src/main/jni/jnisrc")}".toString(),
- "-I${file("src/main/jni/src/Jelly")}".toString(),
- "-I${file("src/main/jni/src/Papaya")}".toString(),
- "-I${file("src/main/jni/src/Helper")}".toString(),
- "-I${file("src/main/jni/src/Helper/utf8")}".toString(),
- "-I${file("src/main/jni/src/CTBModel")}".toString(),
- "-I${file("src/main/jni/src/CTBModel/CTBAlbum")}".toString(),
- "-I${file("src/main/jni/src/CTBModel/CTBAlbumParser")}".toString(),
- "-I${file("src/main/jni/src/CTBModel/CTBBaseModel")}".toString(),
- "-I${file("src/main/jni/src/CTBModel/CTBTrack")}".toString(),
- "-I${file("src/main/jni/src/Xml")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlModel")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlModel/XmlAttrNode")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlModel/XmlBaseNode")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlModel/XmlElementNode")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlModel/XmlTextNode")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlUtil")}".toString(),
- "-I${file("src/main/jni/src/Xml/XmlUtil/BoostXmlUtil")}".toString(),
- "-I${file("src/main/jni/src/Module")}".toString(),
- "-I${file("src/main/jni/src/CTBDataManager")}".toString(),
- "-I${file("src/main/jni/src/Sync/SyncProcess")}".toString(),
- "-I${file("src/main/jni/src/Sync/Task")}".toString(),
- "-I${file("src/main/jni/src/SyncLog")}".toString(),
- "-I${file("src/main/jni/src/Utils")}".toString(),
- "-I${file("src/main/jni/neon//external/android")}".toString(),
- "-I${file("src/main/jni/neon/external/openssl/include/openssl")}".toString(),
- "-I${file("src/main/jni/neon/external/openssl/include")}".toString(),
- "-I${file("src/main/jni/neon/external/expat/include")}".toString(),
- "-I${file("src/main/jni/src/SyncLog")}".toString(),
- "-I${file("src/main/jni/src/SyncLog")}".toString(),
- "-I${file("src/main/jni/src/SyncLog")}".toString(),
- "-I${file("src/main/jni/src/SyncLog")}".toString(),
- "-I${file("src/main/jni/src/SyncLog")}".toString(),
- "-I${file("src/main/jni/src/SyncLog")}".toString()])
- CFlags.addAll(["-DDEBUG"])
- ldLibs.addAll BOOST_SHARED_LIBS
- ldLibs.addAll(["log", "m", "z"])
- ldFlags.addAll(["-llog","-fvisibility=hidden","-L/usr/lib ","-lm"])
- stl = "gnustl_shared"
- }
- android.buildTypes {
- release {
- minifyEnabled = false
- proguardFiles.add(file('proguard-rules.pro'))
- }
- }
- android.sources {
- main {
- jni {
- source {
- srcDir "src/main/jni"
- dependencies {
- APP_ABIS.each { abi ->
- library file("src/main/jni/neonlib/${abi}/libneon.a") abi "${abi}"
- library file("src/main/jni/neon/external/expat/${abi}/libexpat.a") abi "${abi}"
- library file("src/main/jni/openssllib/${abi}/libcrypto.so") abi "${abi}"
- library file("src/main/jni/openssllib/${abi}/libssl.so") abi "${abi}"
- }
- }
- }
- }
- jniLibs {
- source {
- srcDir "src/main/libs"
- }
- }
- }
- }
- android.productFlavors {
- APP_ABIS.each { abi ->
- create(getFlavorName(abi)) {
- ndk.with {
- abiFilters.add(abi)
- getPrebuiltLibPaths(abi).each { path ->
- ldFlags.add("-L" + path)
- }
- }
- }
- }
- }
- }
- tasks.all {
- task ->
- println "printTask#${task}"
- if (task.name.startsWith('link')) {
- println "${task.name}.startsWith('link')"
- task.dependsOn copyNativeLibs
- }
- }
- task copyNativeLibs {
- ["debug", "release"].each { buildType ->
- APP_ABIS.each { abi ->
- def libs = [:]
- BOOST_SHARED_LIBS.each { name ->
- libs[name] = "${getBoostLibDir(abi)}/lib${name}.so"
- }
- libs.crystax = getLibCrystax(abi)
- libs.each { name, file ->
- dependsOn tasks.create(name: "copy-native-library-${name}-${abi}-${buildType}", type: Copy) {
- from file
- into getTargetLibDir(abi, buildType)
- }
- }
- }
- }
- }
- task stripNativeLibs(dependsOn: copyNativeLibs) {
- ["debug", "release"].each { buildType ->
- APP_ABIS.each { abi ->
- def libs = []
- libs.addAll(BOOST_SHARED_LIBS)
- libs += "crystax"
- libs.each { name ->
- dependsOn tasks.create(name: "strip-native-library-${name}-${abi}-${buildType}", type: Exec) {
- commandLine getStripExecutable(abi), "--strip-unneeded", "${getTargetLibDir(abi, buildType)}/lib${name}.so"
- }
- }
- }
- }
- }
- dependencies {
- compile fileTree(dir: 'libs', include: ['*.jar'])
- compile project(':ApiClient')
- compile 'de.greenrobot:eventbus:2.4.0'
- }
- def getNdkDir() {
- if (System.env.ANDROID_NDK_ROOT != null)
- return System.env.ANDROID_NDK_ROOT
- Properties properties = new Properties()
- properties.load(project.rootProject.file('local.properties').newDataInputStream())
- def ndkdir = properties.getProperty('ndk.dir', null)
- if (ndkdir == null)
- throw new GradleException("""\
- NDK location not found.
- Define location with ndk.dir in the local.properties file
- or with an ANDROID_NDK_ROOT environment variable.""")
- return ndkdir
- }
- def getCrystaxNdkDir() {
- def ndkDir = getNdkDir()
- if (!(new File(ndkDir, "sources/crystax").exists()))
- throw new GradleException("""\
- '${ndkDir}' is not a CrystaX NDK.
- Edit ndk.dir in local.properties or set ANDROID_NDK_ROOT
- environment variable pointing to CrystaX NDK""")
- return ndkDir
- }
- def getFlavorName(abi) {
- switch (abi) {
- case "armeabi":
- return "arm";
- case "armeabi-v7a":
- return "arm7"
- case "arm64-v8a":
- return "arm64"
- default:
- return abi.replaceAll('-', '_')
- }
- }
- def getToolchainName(abi) {
- switch (abi) {
- case ~/^armeabi.*/:
- return "arm-linux-androideabi"
- case ~/^arm64.*/:
- return "aarch64-linux-android"
- case "mips":
- return "mipsel-linux-android"
- case "mips64":
- return "mips64el-linux-android"
- case ["x86", "x86_64"]:
- return abi
- default:
- throw new GradleException("Unsupported ABI: '${abi}'")
- }
- }
- def getToolchainPrefix(abi) {
- switch (abi) {
- case ~/^armeabi.*/:
- return "arm-linux-androideabi"
- case ~/^arm64.*/:
- return "aarch64-linux-android"
- case "mips":
- return "mipsel-linux-android"
- case "mips64":
- return "mips64el-linux-android"
- case "x86":
- return "i686-linux-android"
- case "x86_64":
- return "x86_64-linux-android"
- default:
- throw new GradleException("Unsupported ABI: '${abi}'")
- }
- }
- def getHostOS() {
- if (OperatingSystem.current().isLinux())
- return "linux"
- if (OperatingSystem.current().isMacOsX())
- return "darwin"
- if (OperatingSystem.current().isWindows())
- return "windows"
- throw new GradleException("Unsupported host OS")
- }
- def getHostArch() {
- def arch = System.getProperty("os.arch")
- switch (arch) {
- case ["x86_64", "amd64"]:
- return "x86_64"
- case ~/^i[3456]86/:
- case "x86":
- return "x86"
- default:
- throw new GradleException("Can't detect host's CPU architecture: '${arch}'")
- }
- }
- def getHostTag() {
- def tag = getHostOS()
- def arch = getHostArch()
- if (tag != "windows" || arch != "x86")
- tag += "-${arch}"
- return tag
- }
- def getStripExecutable(abi) {
- def ndk = getCrystaxNdkDir()
- def toolchainName = getToolchainName(abi)
- def toolchainPrefix = getToolchainPrefix(abi)
- def hostTag = getHostTag()
- def strip = "${ndk}/toolchains/${toolchainName}-4.9/prebuilt/${hostTag}/bin/${toolchainPrefix}-strip"
- if (OperatingSystem.current().isWindows())
- strip = strip.replaceAll('/', '\\\\') + '.exe'
- return strip
- }
- def getPrebuiltLibPaths(abi) {
- def paths = []
- paths += getBoostLibDir(abi)
- paths += getLibCrystaxDir(abi)
- return paths
- }
- def getTargetLibDir(abi, buildType) {
- return "${buildDir}/intermediates/binaries/${buildType}/${getFlavorName(abi)}/lib/${abi}"
- }
- def getLibCrystaxDir(abi) {
- return "${getCrystaxNdkDir()}/sources/crystax/libs/${abi}"
- }
- def getLibCrystax(abi) {
- return "${getLibCrystaxDir(abi)}/libcrystax.so"
- }
- def getBoostDir() {
- return "${getCrystaxNdkDir()}/sources/boost/1.58.0"
- }
- def getBoostIncDir() {
- return "${getBoostDir()}/include"
- }
- def getBoostLibDir(abi) {
- return "${getBoostDir()}/libs/${abi}"
- }
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