How to print log messages with in Android framework

Question

I am trying to print log messages within core Android framework files. For example, I tried logging messages within MediaRecorderClient.cpp under framewor

Answer 1

/system/core/include/cutils/log.h defines the macros for logging in the Android Framework.

So you uncomment the line that says #define LOG_NDEBUG 0 at the top of the source file and it will enable VERBOSE logging. You will need to recompile that entire library and put it into your android system.img build.

I believe the macro calls are ALOGV, ALOGE and so on.

It is similar to this other answer:

How to get Verbose logging in logcat for a specific module