I tried to download the code from official tutorial website, the sample of code is "Offline routing". But it tells there are fatal error when I execute, I have already put the external files to the right path.
04-01 10:16:15.957: E/AndroidRuntime(30844): java.lang.UnsatisfiedLinkError: Couldn't load runtimecore_java from loader dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/com.esri.arcgis.android.samples.offlineroutingandgeocoding-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.esri.arcgis.android.samples.offlineroutingandgeocoding-1, /vendor/lib, /system/lib]]]: findLibrary returned null
04-01 10:16:15.957: E/AndroidRuntime(30844): at java.lang.Runtime.loadLibrary(Runtime.java:358)
Thank you for help