> > I am new to android. I am doing something very similar (calling in to a > service from an application which is in a different package altogether) and > I am running into this issue. What do you mean by "I was able to modify the > framework by adding a new > interface"? Can you please elaborate? > > Since the ability for one application to access elements of another > application is a central feature of android, why is there limited/no > documentation on this? More information/examples would be very helpful. > > Thanks in advance, > Rashmi. > ---------- Forwarded message ---------- > From: rktb <[email protected]> > Date: Jan 15, 2:49 am > Subject: Continuing topic " Bind to a remote service" > To: Android Developers > > > Thanks Dianne. I was able to modify the framework by adding a new > interface, and this I was able to import in both my applications. > > -Ravi > > On Jan 15, 12:37 am, "Dianne Hackborn" <[email protected]> wrote: > > > If you changed the package, they are different interfaces, and you can't > > call across them. This is exactly what the error message is saying, you > can > > see the two different interfaces listed there. You should define the > > interface once and share it across all of the code using it. > > > On Wed, Jan 14, 2009 at 10:22 AM, rktb <[email protected]> wrote: > > > > Hi, > > > > I tried to follow what was being discussed in > > >http://code.google.com/android/reference/aidl.html#callingand > > > >http://code.google.com/android/samples/ApiDemos/src/com/example/andro. > .. > > > . > > > My test code looks almost the same. The only difference being that in > > > my case, the service and the activity that is calling it, are both in > > > different packages. > > > > To get around the compilation errors, I included the same .aidl file > > > (IRKOwnService.aidl) defining the interface in both the packages (with > > > the package line different in both the files). I think that is what is > > > causing the problem. > > > > Any suggestions? > > > > Thanks, > > >Ravi > > > > On Jan 14, 1:34 am, "Dianne Hackborn" <[email protected]> wrote: > > > > You are calling on an interface that is different than the actually > > > > interface being called on the back-end service. > > > > > The remote service API demo should show you how to do this correctly. > > > > > On Tue, Jan 13, 2009 at 10:20 AM, rktb <[email protected]> wrote: > > > > > > Bumping it up ... > > > > > > On Jan 13, 12:39 pm, rktb <[email protected]> wrote: > > > > > > Hi, > > > > > > > I could not find "Reply" on the post: > > > > > > http://groups.google.com/group/android-developers/browse_thread/threa.. > > > .. > > > > > > So, creating a new post. > > > > > > > Based on Dianne's example, I am able to start a remote service > and > > > > > > also call "bindService". Now, when I am trying to call a method, > I am > > > > > > seeing the following problem: > > > > > > ~~~~~~~~~~ > > > > > > W/Parcel ( 319): **** enforceInterface() expected > > > > > > 'com.android.rkserv.IRKOwnService' but read > > > > > > 'com.android.rkapp.IRKOwnService' > > > > > > D/AndroidRuntime( 342): Shutting down VM > > > > > > W/dalvikvm( 342): threadid=3: thread exiting with uncaught > exception > > > > > > (group=0x4000fe68) > > > > > > E/AndroidRuntime( 342): Uncaught handler: thread main exiting > due to > > > > > > uncaught exception > > > > > > E/AndroidRuntime( 342): java.lang.SecurityException: Binder > > > > > > invocation to an incorrect interface > > > > > > ~~~~~~~~~~ > > > > > > > The following are the details of my packages: > > > > > > > Package "com.android.rkserv" consists of a service RKOwnService. > It > > > > > > has the IDL file IRKOwnService.aidl. The AndroidManifest.xml > consists > > > > > > of the service > > > > > > <service android:name=".RKOwnService" android:exported="true" > > > > > > android:process=":remote" > > > > > > > <intent-filter> > > > > > > <action android:name="com.android.RKINTENT" /> > > > > > > </intent-filter> > > > > > > </service> > > > > > > > Package "com.android.rkapp" wants to access this service. > > > > > > The service is started via > > > > > > Intent serv = new Intent(); > > > > > > serv.setAction("com.android.RKINTENT"); > > > > > > startService(serv); > > > > > > > The service is bound via > > > > > > bindService(new Intent("com.android.RKINTENT"),rkconn, > > > > > > Context.BIND_AUTO_CREATE); > > > > > > > The service is stopped via > > > > > > Intent serv = new Intent(); > > > > > > serv.setAction("com.android.RKINTENT"); > > > > > > stopService(serv); > > > > > > > All the above actions go through fine. Next, I try to call a > function > > > > > > defined in the interface as > > > > > > private final IRKOwnService.Stub mBinder = new > IRKOwnService.Stub > > > > > > () { > > > > > > public void callFn1() { > > > > > > RKOwnService.this.callFn1(); > > > > > > } > > > > > > }; > > > > > > This is when I see the error -- > > > > > > W/Parcel ( 319): **** enforceInterface() expected > > > > > > 'com.android.rkserv.IRKOwnService' but read > > > > > > 'com.android.rkapp.IRKOwnService' > > > > > > > NOTE: To get rid of compilation errors, I added > "IRKOwnService.aidl" > > > > > > in the calling package "com.android.rkapp". > > > > > > > Any pointers would be appreciated. > > > > > > > Thanks, > > > > > >Ravi > > > > > -- > > > > Dianne Hackborn > > > > Android framework engineer > > > > [email protected] > > > > > Note: please don't send private questions to me, as I don't have time > to > > > > provide private support. All such questions should be posted on > public > > > > forums, where I and others can see and answer them. > > > -- > > Dianne Hackborn > > Android framework engineer > > [email protected] > > > Note: please don't send private questions to me, as I don't have time to > > provide private support. All such questions should be posted on public > > forums, where I and others can see and answer them. >
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