Hello all,
actually, I am trying to use a third party library (disco) with
Android.
The third party library is located in external/disco/
In this directory, I have
_Android.mk
_disco_jni.cpp
_libdisco.c
_a directory with c files
I am using:
jdk 1.5.0_17
eclipse
the last sdk
I am launching my emulator with the new system compiled and an sdcard
option which is useful for my test
emulator -sdcard ~/Android/sdcard.img -image ~/mydroid2/out/target/
product/generic/system.img
My project in eclipse consists in a class called Disco which loads the
library and do some stuff after
package android.media;
.....
public class Disco extends Activity implements OnItemClickListener,
OnKeyListener
{
......
static {
try {
Log.i("JNI", "Trying to load libdisco.so");
System.loadLibrary("disco");
}
catch (UnsatisfiedLinkError ule) {
Log.e("JNI", "WARNING: Could not load libdisco.so");
}
}
The library is generated before in ~/mydroid2/out/target/product/
generic/system/lib/libdisco.so
When I launch the test I have:
04-07 09:38:50.554: DEBUG/dalvikvm(122): GC freed 2205 objects /
111832 bytes in 116ms
04-07 09:39:03.274: DEBUG/dalvikvm(241): Trying to load lib /system/
lib/libdisco.so 0x434924f8
04-07 09:39:03.304: DEBUG/dalvikvm(241): Added shared lib /system/lib/
libdisco.so 0x434924f8
04-07 09:39:03.344: INFO/System.out(241): PathClassLoader
dalvik.system.pathclassloa...@434924f8: findClass
'android.disco.Disco'
04-07 09:39:03.354: INFO/System.out(241): My path is: /data/app/
android.media.apk
04-07 09:39:03.374: WARN/dalvikvm(241): JNI WARNING: JNI method called
with exception raised
04-07 09:39:03.384: WARN/dalvikvm(241): in Ljava/lang/
Runtime;.nativeLoad (Ljava/lang/String;Ljava/lang/ClassLoader;)Z
(FindClass)
04-07 09:39:03.384: WARN/dalvikvm(241): Pending exception is:
04-07 09:39:03.384: INFO/dalvikvm(241): Ljava/lang/
NoClassDefFoundError;: android.disco.Disco
04-07 09:39:03.384: INFO/dalvikvm(241): at
java.lang.Runtime.nativeLoad(Native Method)
04-07 09:39:03.384: INFO/dalvikvm(241): at
java.lang.Runtime.loadLibrary(Runtime.java:374)
04-07 09:39:03.384: INFO/dalvikvm(241): at
java.lang.System.loadLibrary(System.java:458)
04-07 09:39:03.384: INFO/dalvikvm(241): at
android.media.Disco.<clinit>(Disco.java:42)
04-07 09:39:03.384: INFO/dalvikvm(241): at
java.lang.Class.newInstance(Native Method)
04-07 09:39:03.384: INFO/dalvikvm(241): at
android.app.Instrumentation.newActivity(Instrumentation.java:1096)
04-07 09:39:03.384: INFO/dalvikvm(241): at
...
04-07 09:39:03.394: INFO/dalvikvm(241): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
(ZygoteInit.java:739)
04-07 09:39:03.394: INFO/dalvikvm(241): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:497)
04-07 09:39:03.394: INFO/dalvikvm(241): at
dalvik.system.NativeStart.main(Native Method)
04-07 09:39:03.394: INFO/dalvikvm(241): Caused by:
04-07 09:39:03.394: INFO/dalvikvm(241): Ljava/lang/
ClassNotFoundException;: android.disco.Disco in loader
dalvik.system.pathclassloa...@434924f8
04-07 09:39:03.394: INFO/dalvikvm(241): at
dalvik.system.PathClassLoader.findClass(PathClassLoader.java:215)
04-07 09:39:03.394: INFO/dalvikvm(241): at
java.lang.ClassLoader.loadClass(ClassLoader.java:453)
04-07 09:39:03.394: INFO/dalvikvm(241): at
java.lang.ClassLoader.loadClass(ClassLoader.java:421)
04-07 09:39:03.394: INFO/dalvikvm(241): at
java.lang.Runtime.nativeLoad(Native Method)
04-07 09:39:03.394: INFO/dalvikvm(241): at
java.lang.Runtime.loadLibrary(Runtime.java:374)
04-07 09:39:03.394: INFO/dalvikvm(241): at
java.lang.System.loadLibrary(System.java:458)
04-07 09:39:03.394: INFO/dalvikvm(241): at
android.media.Disco.<clinit>(Disco.java:42)
04-07 09:39:03.394: INFO/dalvikvm(241): at
java.lang.Class.newInstance(Native Method)
04-07 09:39:03.394: INFO/dalvikvm(241): at
android.app.Instrumentation.newActivity(Instrumentation.java:1096)
04-07 09:39:03.394: INFO/dalvikvm(241): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2060)
04-07 09:39:03.394: INFO/dalvikvm(241): at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
2156)
04-07 09:39:03.394: INFO/dalvikvm(241): at
android.app.ActivityThread.access$1800(ActivityThread.java:112)
04-07 09:39:03.394: INFO/dalvikvm(241): at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:1580)
04-07 09:39:03.394: INFO/dalvikvm(241): at
android.os.Handler.dispatchMessage(Handler.java:88)
04-07 09:39:03.394: INFO/dalvikvm(241): at android.os.Looper.loop
(Looper.java:123)
04-07 09:39:03.394: INFO/dalvikvm(241): at
android.app.ActivityThread.main(ActivityThread.java:3742)
04-07 09:39:03.394: INFO/dalvikvm(241): at
java.lang.reflect.Method.invokeNative(Native Method)
04-07 09:39:03.394: INFO/dalvikvm(241): at
java.lang.reflect.Method.invoke(Method.java:515)
04-07 09:39:03.394: INFO/dalvikvm(241): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
(ZygoteInit.java:739)
04-07 09:39:03.434: INFO/dalvikvm(241): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:497)
04-07 09:39:03.434: INFO/dalvikvm(241): at
dalvik.system.NativeStart.main(Native Method)
04-07 09:39:03.434: INFO/dalvikvm(241): "main" prio=5 tid=3 NATIVE
04-07 09:39:03.434: INFO/dalvikvm(241): | group="main" sCount=0
dsCount=0 s=0 obj=0x400113a8
04-07 09:39:03.434: INFO/dalvikvm(241): | sysTid=241 nice=0
sched=0/0 handle=-1093071716
04-07 09:39:03.434: INFO/dalvikvm(241): at
java.lang.Runtime.nativeLoad(Native Method)
04-07 09:39:03.434: INFO/dalvikvm(241): at
java.lang.Runtime.loadLibrary(Runtime.java:374)
04-07 09:39:03.434: INFO/dalvikvm(241): at
java.lang.System.loadLibrary(System.java:458)
04-07 09:39:03.434: INFO/dalvikvm(241): at
android.media.Disco.<clinit>(Disco.java:42)
04-07 09:39:03.434: INFO/dalvikvm(241): at
java.lang.Class.newInstance(Native Method)
04-07 09:39:03.434: INFO/dalvikvm(241): at
...
04-07 09:39:03.434: INFO/dalvikvm(241): at
java.lang.reflect.Method.invokeNative(Native Method)
04-07 09:39:03.434: INFO/dalvikvm(241): at
java.lang.reflect.Method.invoke(Method.java:515)
04-07 09:39:03.434: INFO/dalvikvm(241): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
(ZygoteInit.java:739)
04-07 09:39:03.434: INFO/dalvikvm(241): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:497)
04-07 09:39:03.434: INFO/dalvikvm(241): at
dalvik.system.NativeStart.main(Native Method)
04-07 09:39:03.434: ERROR/dalvikvm(241): VM aborting
Can anyone help me?
Thank you very much
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