[android-developers] Re: Problems With The Use Of Java Native Libraries in Android !!

How do you run a java app as root?  Calling SU only works for that shell...

On Monday, July 16, 2012 9:35:31 PM UTC-5, Melissa Silverio wrote:

I'm trying to implement the use of a Java native library called "JNetpCap" which works with the handling of network packets.

I installed the libjnetpcap.so and the jnetpcap.jar in my application. Also I ran the application as root.


After making the capturing of the packets with "tcpdump" and saving it to a "output.pcap" file, i tried to use to manipulate the packets jnetpcap ..
This is the code i used:

end = new ArrayList packets ArrayList ();
Pcap.openOffline pcap packet = ("/ sdcard / output.pcap", errbuf);

JPacketHandler handler = new JPacketHandler () {

/ / Defining the action That Will Be Performed Each time a packet is
/ / Read for the file.
/ / @ Override
public void nextPacket (JPacket packet, String user) {
packets.add (packet);
}
packet.dispatch (-1, handler, null);
packet.close ();

and here are the errors it returns:

android.os.Looper.loop (Looper.java: 123)
android.os.Handler.dispatchMessage (Handler.java: 99)
jnetpcap.Pcap.dispatch (Unknown Source)
....

What are the steps for using Java native libraries in Android?

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