Native equivalent to Log.v?

[Felipe Monteiro de Carvalho]

Hello,

I am trying to trace an issue in my native executable, but I lack
appropriate logging capabilities. Is there a native equivalent to
Log.v? This way I could see both logs, from Java and from the Pascal
applications in the same adb logcat =)

thanks,

[Olivier Guilyardi]

Yep, there is. Look into <android/log.h>.

--
Olivier

[eyal zmora]

You can use one of these methods:

int __android_log_write(int prio, const char *tag, const char *text);

int __android_log_print(int prio, const char *tag,  const char *fmt, ...);

 

where 'prio' can be one of the following:

 ANDROID_LOG_UNKNOWN = 0,
    ANDROID_LOG_DEFAULT,    /* only for SetMinPriority() */
    ANDROID_LOG_VERBOSE,
    ANDROID_LOG_DEBUG,
    ANDROID_LOG_INFO,
    ANDROID_LOG_WARN,
    ANDROID_LOG_ERROR,
    ANDROID_LOG_FATAL,
    ANDROID_LOG_SILENT,  

 

Don't forget to add:  #include<android/log.h>

 

Eyal

2011/1/13 Felipe Monteiro de Carvalho <felipemonte...@gmail.com>

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[Felipe Monteiro de Carvalho]

Thanks a lot!

Two things, however:

1> Are there online docs on this routine? Google didn't help on that

2> On which shared object are these functions located? My application
is written in Pascal, so I need to declare the function as external
and then link to the appropriate shared object.

thanks,
FMdC

[alan]

most of the ndk is doucmented in the docs directory of the ndk
distribution. in this case stable-apis.html states:

Android-specific Log Support:
-----------------------------

<android/log.h> contains various definitions that can be used to send
log
messages to the kernel from your native code. Please have a look at
its
content in (build/platforms/android-3/common/include/android/log.h),
which
contain many informative comments on how to use it.

You should be able to write helpful wrapper macros for your own usage
to
access this facility.

If you use it, your native module should link to /system/lib/liblog.so
with:

LOCAL_LDLIBS := -llog


On Jan 13, 2:51 pm, Felipe Monteiro de Carvalho

[Felipe Monteiro de Carvalho]

Ok, thanks a lot for the answers =)

By the way, I found that someone had already made a Pascal binding to
this unit, just in case someone searches the archives in the future
the file can be found here:

http://lazarus-ccr.svn.sourceforge.net/viewvc/lazarus-ccr/bindings/android-ndk/log.pas?revision=1437&view=markup

thanks again,
FMdC