【问题汇总】在C/C++中使用Android Log导致编译失败的问题

文章主要讲述了在C/C++开发中遇到使用Android Log时导致的编译失败问题，通过分析错误日志发现是缺失__android_log_write函数。解决方案是在Android.mk文件中添加相应代码，经修改后成功编译生成so库。

在JNI中使用Android自带的Log日志功能，在编译时提示如下异常：

kaizen@tuan800-inc:~/workspace_eclipse_1/im_pulltorefresh/MyJNITest$ ndk-build
[armeabi] SharedLibrary  : libuninstalled_observer.so
/home/kaizen/developer/android-ndk-r10b/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: ./obj/local/armeabi/objs/uninstalled_observer/main_activity_UninstalledObserverActivity.o: in function Java_main_activity_UninstalledObserverActivity_init:jni/main_activity_UninstalledObserverActivity.c:30: error: undefined reference to '__android_log_write'
/home/kaizen/developer/android-ndk-r10b/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: ./obj/local/armeabi/objs/uninstalled_observer/main_activity_UninstalledObserverActivity.o: in function Java_main_activity_UninstalledObserverActivity_init:jni/main_activity_