Compiling AIDL File : couldn't find import for class

[Kalpesh Patil]

Hi,

I am trying to "import android.view.Surface" and "import
android.view.SurfaceHolder" inside an AIDL file (IMyTrial.aidl)
intended
to be used as part of a JAVA library.
The Android.mk calls include$(BUILD_JAVA_LIBRARY)

However, when I build it, the "aidl" tool always return the error
"couldn't find import for class android.view.SurfaceHolder & for
android.view.Surface ".

But a JAVA file MyTrial.java at same directory location is able to
import both android.view.Surface & android.view.SurfaceHolder.

I found out that packages/apps/Music is using
IMediaPlaybackService.aidl in similar way.
Only difference between Android.mk is
My Android.mk uses include$(BUILD_JAVA_LIBRARY) &
Android.mk for Music.apk uses include $(BUILD_PACKAGE)

Any help/suggestions will be highly appreciated.

Thanking in advance
Regards
Kalpesh Patil

[Ying Wang]

You have to add such a line:

LOCAL_AIDL_INCLUDES += $(FRAMEWORKS_BASE_JAVA_SRC_DIRS)

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[Kalpesh Patil]

Thanks a lot Ying. It really worked with it.

But I still face some issue.

I want to import following two
"import android.view.Surface"
"import android.view.SurfaceHolder"

Out of these two, android.view.Surface is getting imported.
But android.view.SurfaceHolder is NOT getting imported.

My actual intention is to pass Surface to my custom library, for which, I need to pass SurfaceHolder and in custom library, I will extract Surface with SurfaceHolder.getSurface().

So importing SurfaceHolder is more important for me.

Any help for this will be highly appreciated.

Thanks and Regards
Kalpesh Patil

[MarkusG]

Well SurfaceHolder is an interface and not a class derived from
android.os.Parcelable so I don't think you can use it in your AIDL
file.

On Dec 14, 9:11 pm, Kalpesh Patil <kalpeshpatil.ti....@gmail.com>
wrote:

> Thanks a lot Ying. It really worked with it.
>
> But I still face some issue.
>
> I want to import following two

> "import android.view.*Surface*"
> "import android.view.*SurfaceHolder*"
>
> Out of these two, android.view.*Surface *is getting imported.
> But android.view.*SurfaceHolder *is *NOT *getting imported.

>
> My actual intention is to pass Surface to my custom library, for which, I

> need to pass *SurfaceHolder *and in custom library, I will extract Surface
> with *SurfaceHolder.getSurface()*.
>
> So importing *SurfaceHolder *is more important for me.

>
> Any help for this will be highly appreciated.
>
> Thanks and Regards
> Kalpesh Patil
>

> >> android-platfo...@googlegroups.com<android-platform%2Bunsu...@googlegroups.com>
> >> .

> >> For more options, visit this group at
> >>http://groups.google.com/group/android-platform?hl=en.
>
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> > "android-platform" group.
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> > android-platfo...@googlegroups.com<android-platform%2Bunsu...@googlegroups.com>
> > .

[iblues]

Hi Kalpesh,

Why dont you get the instance of Surface from SurfaceHolder @ the java
layer itself and then pass it via IPC? Surface gets converted to
ISurface over IPC I beleive..

But I trust you cannot access any methods within ISurface as its a
protected class..

[Kalpesh Patil]

Thanks a lot Markus and iblues for your response.

iblues

As per my knowledge, Surface should be by across preferably through SurfaceHolder only. So I insist on using SurfaceHolder.

I have MyService (Custom Service) loaded in SystemServer which has MyService.java and corresponding IMyservice.aidl.

I want to pass surface from VideoView.java (or any outside file) to MyService, for which i intended to import SurfaceHolder in IMyService.aidl. I register to IMyService in VideoView.java.

Since import of SurfaceHolder didnt work, I tried to pass Surface directly by passing (mSurfaceHolder.getSurface()) from VideoView.java to a method setSurface(Surface tmpsurface) declared in IMyService.aidl and implemented in MyService.java

When I print Surface in VideoView.java before passing, I get proper value. But inside setSurface(Surface tmpsurface) in MyService.java, I receive/read MyService.java.

Please suggest what could be going wrong here.

It will be also helpful if you briefly explain what you mean by IPC method.

Thanks and Regards

Kalpesh Patil

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[Kanagal Raj Ramaswamy]

Hi All,

Based on the below conversations, I am getting confused on whether I can pass the surface or surface holder in the AIDL or not. Please can you suggest on whether I can pass the Surface or SurfaceHolder in the AIDL or not?

Also how to compile my app by having the AIDL with SurfaceView  or SurfaceHolder in ADT Eclipse?

Thanks,

Kanagal Raj

[Андрей Суворов]

Yes you can. You can pass SurfaceView via simple AIDL, and make holder from it on recieved side.

See this topic for one use case 

http://stackoverflow.com/questions/42156262/how-to-pass-surfaceholder-via-aidl

понедельник, 14 марта 2016 г., 23:06:48 UTC+3 пользователь Kanagal Raj Ramaswamy написал: