How to setup alljoyn sdk in android?

Question

I am trying to setup two android devices to communicate with each other through wifi. Some of the links I have gone through suggest alljoyn sdk in order to accomplish this.

There is an sdk download but there is no documentation for how to setup environment.

Answer 1

Here is how to set up an AllJoyn SDK development environment with android studio:

1. Download the SDK from this page. Go for Android Core SDK - release (or debug).
2. Create a new blank android project.
3. Create directory <project>/app/src/main/jniLibs and <project>/app/src/main/jniLibs/armeabi.
4. From alljoyn-15.09.00-rel/java/jar copy alljoyn.jar and from alljoyn-15.09.00-rel/java/lib copy liballjoyn_java.so. The directory to copy from might differ depending on the current version and your release/debug choice.

5. Put alljoyn.jar in /jniLibs and put liballjoyn_java.so in /jniLibs/armeabi. Should look like this

   

6. Right click project -> Open Module Settings -> app -> Dependencies.
   With the green [+] button, add a file dependency.

   

   Navigate to <project>/app/src/main/jniLibs/alljoyn.jar and select that jar.

   This will add a line in your gradle (compile files('src/main/jniLibs/alljoyn.jar')) that will allow for code completion etc.

7. In the file where you want to use alljoyn code, include this snippet

   /* Load the native alljoyn_java library. */
   static {
       System.loadLibrary("alljoyn_java");
   }
   

   for example:

   public class MainActivity extends AppCompatActivity {
       /* Load the native alljoyn_java library. */
       static {
           System.loadLibrary("alljoyn_java");
       }
   
       @Override
       public void onCreate(Bundle savedInstanceState) {
           ...
       }
   }
   

8. You can now use the alljoyn SDK. Import classes with

   import org.alljoyn.bus.BusAttachment;
   import org.alljoyn.bus.BusException;
   import org.alljoyn.bus.BusListener;
   

   etc.

If you're more of an eclipse guy, check this official documentation page on how to setup an eclipse environment.