building android-ndk?

Question

I want to build an off-line speech recognition application for android.For that i tried building android NDK.But when i give ndk-build command i get the following error.I have no idea what that means as i am very new to Linux environment..Anyone please help me.

 Android NDK: Could not find application project directory !    
    Android NDK: Please define the NDK_PROJECT_PATH variable to point to it.    
    /home/cenuser/android/android-ndk-r7b/build/core/build-local.mk:130: *** Android NDK: Aborting    .  Stop.

and when i changed the location to i got this

/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:760:26: error: pocketsphinx.h: No such file or directory
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:761:28: error: sphinxbase/err.h: No such file or directory
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c: In function 'new_Hypothesis':
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:780: warning: initialization makes pointer from integer without a cast
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:782: warning: assignment makes pointer from integer without a cast
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:784: warning: assignment makes pointer from integer without a cast
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c: In function 'new_Config__SWIG_0':
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:795: error: 'FALSE' undeclared (first use in this function)
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:795: error: (Each undeclared identifier is reported only once
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:795: error: for each function it appears in.)
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c: In function 'new_Config__SWIG_1':
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:799: error: 'FALSE' undeclared (first use in this function)
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c: In function 'Config_getString':
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:830: warning: return makes pointer from integer without a cast
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c: In function 'new_Decoder__SWIG_0':
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:839: error: 'FALSE' undeclared (first use in this function)
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c: In function 'new_Decoder__SWIG_1':
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:843: warning: initialization makes pointer from integer without a cast
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c: In function 'Decoder_getConfig':
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:847: warning: return makes pointer from integer without a cast
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c: In function 'Decoder_getUttid':
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:856: warning: return makes pointer from integer without a cast
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c: In function 'Decoder_getHyp':
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:869: error: 'int32' undeclared (first use in this function)
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:869: error: expected ';' before 'best_score'
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:870: error: 'best_score' undeclared (first use in this function)
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c: In function 'Java_edu_cmu_pocketsphinx_pocketsphinxJNI_Decoder_1processRaw_1_1SWIG_10':
/home/cenuser/android/sphinx/PocketSphinxDemo/jni/pocketsphinx_wrap.c:1441: warning: assignment discards qualifiers from pointer target type
make: *** [/home/cenuser/android/sphinx/PocketSphinxDemo/obj/local/armeabi/objs-debug/pocketsphinx_jni/pocketsphinx_wrap.o] Error 1

Answer 1

1. Go to the ndk root folder from terminal

2. Type the command with your project path

   ndk-build -C your_project_path
   

This will solve the problem. If you want more information on "ndk-build" command just type the command

    ndk-build --help