Android studio中调试C++代码

在AS中调试C++代码还是很快很方便的，以下是本人总结的步骤，希望对大家有所帮助。

lib库下如果有好几个分库的话，每个分库都要建立Android/jni目录，存放Android.mk建立规则：

###################################################################### # libuvc_static.a (static library with static link to libjpeg, libusb1.0) ###################################################################### LOCAL_PATH := $(call my-dir)/../.. include $(CLEAR_VARS) LOCAL_C_INCLUDES += \ $(LOCAL_PATH)/.. \ $(LOCAL_PATH)/include \ $(LOCAL_PATH)/include/libuvc LOCAL_EXPORT_C_INCLUDES := \ $(LOCAL_PATH)/ \ $(LOCAL_PATH)/include \ $(LOCAL_PATH)/include/libuvc LOCAL_CFLAGS := $(LOCAL_C_INCLUDES:%=-I%) LOCAL_CFLAGS += -DANDROID_NDK LOCAL_CFLAGS += -DLOG_NDEBUG LOCAL_EXPORT_LDLIBS := -llog LOCAL_ARM_MODE := arm LOCAL_STATIC_LIBRARIES += jpeg-turbo1400_static LOCAL_SHARED_LIBRARIES += usb100 LOCAL_SRC_FILES := \ src/ctrl.c \ src/device.c \ src/diag.c \ src/frame.c \ src/frame-mjpeg.c \ src/init.c \ src/stream.c LOCAL_MODULE := libuvc_static include $(BUILD_STATIC_LIBRARY) ###################################################################### # libuvc.so (shared library with static link to libjpeg-turbo) ###################################################################### include $(CLEAR_VARS) LOCAL_MODULE_TAGS := optional LOCAL_EXPORT_LDLIBS += -llog LOCAL_WHOLE_STATIC_LIBRARIES = libuvc_static LOCAL_MODULE := uvc include $(BUILD_SHARED_LIBRARY)

lib库下几个lib库存在的jni目录中编写Android.mk文件和Application.mk：

Android.mk:

#include $(call all-subdir-makefiles) PROJ_PATH := $(call my-dir) include $(CLEAR_VARS) include $(PROJ_PATH)/UVCCamera/Android.mk include $(PROJ_PATH)/libjpeg-turbo-1.4.0/Android.mk include $(PROJ_PATH)/libusb/android/jni/Android.mk include $(PROJ_PATH)/libuvc/android/jni/Android.mk Application.mk:

APP_PLATFORM := android-14 #APP_ABI := armeabi armeabi-v7a mips x86 APP_ABI := armeabi armeabi-v7a arm64-v8a #APP_OPTIM := debug APP_STL := gnustl_static APP_OPTIM := release

在lib库下build.gradle：

apply plugin: 'com.android.library' import org.apache.tools.ant.taskdefs.condition.Os android { compileSdkVersion 22 buildToolsVersion "22.0.1" defaultConfig { minSdkVersion 14 targetSdkVersion 22 } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt' } } sourceSets { main { jniLibs.srcDir 'src/main/libs' jni.srcDirs = [] } } } dependencies { compile fileTree(dir: new File(buildDir, 'libs'), include: '*.jar') } tasks.withType(JavaCompile) { compileTask -> compileTask.dependsOn ndkBuild } task ndkBuild(type: Exec, description: 'Compile JNI source via NDK') { println('executing ndkBuild') def ndkBuildingDir = project.plugins.findPlugin('com.android.library').sdkHandler.getNdkFolder().absolutePath def ndkBuildPath = ndkBuildingDir if (Os.isFamily(Os.FAMILY_WINDOWS)) { ndkBuildPath = ndkBuildingDir + '/ndk-build.cmd' } else { ndkBuildPath = ndkBuildingDir + '/ndk-build' } commandLine ndkBuildPath, '-j8', '-C', file('src/main').absolutePath } 这样就可以点击 build/make project 按钮编译生成so了。

当然也可以在工程目录下的build.gradle 

compile project(':libuvccamera')

最后别忘了在总工程的Settings.gradle中：

include ':libuvccamera' include ':usbCameraTest'