JNI calls

JNI calls in the linux environment to compile files over so, how do I go to call?<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->
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The wrap write a java class, class native methods and so the interface functions corresponding to
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/ * Function segment begin * / 
private native void init (); 
static 
{
Log.d (TAG, "load libuninstalled_moniter"); 
try {
System.loadLibrary ("uninstalled_moniter"); 
/ / System.loadLibrary ("moniter"); 
} Catch (UnsatisfiedLinkError ule) {
ule.printStackTrace (); 
} 
} 

@ Override 
public void onCreate (Bundle savedInstanceState) 
{
super.onCreate (savedInstanceState); 
Log.d (TAG, "onCreate"); 
setContentView (R.layout.uninstalled_moniter_layout); 
init (); 
} 
/ * Function segment end * / 
} 

Simple JNI call, first declared so in the library method, and then load the SO library, declared in a method call
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reference to the second floor comeoverjava reply:

 

/ * Function segment begin * / 
private native void init (); 
static 
{
Log.d (TAG, "load libuninstalled_moniter"); 
try {
System.loadLibrary ("uninstalled_moniter"); 
/ / System.loadLibrary ("moniter"); 
} Catch (UnsatisfiedLinkError ule) {
ule.printStackTrace (); 
} 
} 

@ Override 
public void onCreate (Bundle savedInstanceState) 
{
super.onCreate (savedInstanceState); 
Log.d (TAG, "onCreate"); 
setContentView (R.layout.uninstalled_moniter_layout); 
init (); 
} 
/ * Function segment end * / 
} 

Simple JNI call, first declared so in the library method, and then load the SO library, method invocation statement

When you call ffmpeg, error: In file included from jni / ffmpeg / libavutil / avutil.h: 238:0,
from jni / ffmpeg / libavutil / samplefmt.h: 24,
from jni / ffmpeg / libavcodec / avcodec.h: 30,
from jni / tiger.c: 5:
jni / ffmpeg / libavutil / common.h: 40:32: fatal error: libavutil / avconfig.h: No such file or directory
compilation terminated.
Seek guidance

Reply:
Open the third party so
way with dlopen http://www.cnblogs.com/lovelili/archive/2012 / 03/10/2389172.html
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Static load directly inside the code block is not on the list?
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references, 4th Floor guoyoulei520 reply:

open to third parties so
way with dlopen http://www.cnblogs.com/lovelili/archive/2012 / 03/10/2389172.html

When I first called, at the time run ndk-build: Unable to identify the format of the input file ... how to solve these neighborhoods
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It is recommended to take a look SD folder following code example
Seems to be in SDK / simple / JNI you look at the calling process,
See the CPP
generate SO