Is possible to print C-code console output through JNI in an android application?

Question

I read this post on how calling native c-code through JNI in Android applications. I have tested the code and works fine! This program makes a JNI call and prints a string that comes from a C function. Is possible to show the console output of a C function (e.g. the results of printf etc.) in an Android app with the same way?

http://integratingstuff.com/2010/12/12/calling-native-c-code-through-jni-in-android-applications/

"prompt the console output of a C function"? What does that mean? — , Apr 01 '11 at 18:35

score 9 · Accepted Answer · edited May 23 '17 at 12:03

9

Instead of printf to console you print to logcat using the function __android_log_write(...). More details about how to set this up here: What is the Log API to call from an Android JNI program?

edited May 23 '17 at 12:03

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answered Apr 03 '11 at 20:04

Ryan Reeves

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Ok! It seems to be a good idea! Thank you! Is it possible to redirect this output to an Android Interface component like a textview for example so as to be shown from the application? – Thanasis Petsas Apr 04 '11 at 12:58
I'm not sure Thanasis, sorry. – Ryan Reeves Apr 04 '11 at 15:22
@ThanasisPetsas: did you figure out a way to print them to android screen? Kindly let me know – re3el Nov 09 '15 at 09:48

Is possible to print C-code console output through JNI in an android application?

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