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D
dlbromen
Participant
October 11, 2011
Question

AIR 3 Native Extensions for Android - Including 3rd party libraries

  • October 11, 2011
  • 4 replies
  • 6038 views

With all the new hype surrounding native extension support in AIR 3, I haven't found a single thing that confirms or denies it is possible to include and use an external JAR inside the native Android implementation.

All of the examples basically showcase the ability to hook into the built-in Android APIs.  But what if someone wants to use one of hundreds of libraries that make it easier?  Certainly it seems like this should be possible.  I'll try to outline what I've done and maybe someone will spot a flaw:

  1. Successfully created native Android library, using compiled-in imports from 3rd party Android library XYZ.
  2. Exported Android project as JAR file
    1. Note, that the referenced 3rd party JAR is in /lib inside the jar.
  3. Successfully created ActionScript library (SWC) to interface with native Android library.
  4. Created ANE package from SWC, extension.xml, Android JAR, and library.swc (for platform Android-ARM, extracted from SWC)
    1. Note: Have also tried putting the 3rd party library in file structure outlined here: http://help.adobe.com/en_US/air/extensions/WSf268776665d7970d-2482335412ffea65006-8000.html#WSf268776665d7970d-6be13ace1308aaebeca-7fff.  I think this is more geared to runtime type execution with JNI or whatever, so that article has left me a little confused.
  5. Used ANE in example Flex Mobile project.
  6. Built and installed APK file on test DroidX device.
  7. Can successfully see AIR application loading (and trace statements) in LogCat "ActivityManager: Displayed com.me.androidapp/.AppEntry"
  8. Can successfully see native Android Java code being invoked via runtime by AIR app to instantiate extension & context. "mye_native: MyExtension.initialize", "mye_native: MyExtensionContext.createContext"
  9. As soon as AIR app tries to call native function, it blows up, not able to find the classes from 3rd party Android library: E dalvikvm: Could not find class 'com.thirdparty.SomeClass', referenced from method com.me.nativeExtentions.MyExtensionFunction.call

Any ideas?  It seems like it should work this way.

One thing I have noticed is that when I blow apart the APK and Dex from a pure Java Android app of mine (that also has 3rd party android libraries), it appears that the classes from the 3rd party have been included inside it (not just a jar reference).

When I do the same thing with my Flex APK, I find only my own Java classes plus Adobe's, and the 3rd party ones are nowhere to be found that I can see.

    This topic has been closed for replies.

    4 replies

    H
    heartgoon
    Participating Frequently
    December 18, 2012

    have u found the workaround?

    i met with the same problem

    E
    EmilAtanasov
    Participant
    December 18, 2012

    Extracting it - rename the jar file file to .zip and then use your favorite

    tool to excitat the content of the zip. Then you should copy and past the

    content of the zip on ton of your binary classes (they are usually located

    in bin directory).

    Final step create jar file from your binary classes, but include the newly

    added files too.

    I hope this will help.

    Sent from my iPad

      H
      heartgoon
      Participating Frequently
      December 19, 2012

      thank u，i get it

      L
      li_li_li87222
      Known Participant
      October 28, 2012

      http://code.google.com/p/flash-for-mobile/

      qq讨论群：56892018

      version for android http://code.google.com/p/flash-for-mobile/

      version for iphone and ipad https://github.com/lilili87222/admob-for-flash

      this is a actionscript native extension for developer to ad advertisement to their air mobile application run on iphone or android.it very easy to use

      admob for flash android this lib enable you to add admob ad to your flash air application to add native advertisement to your actionscript3 application you just need to do four step

      1.replace D:\Program Files\Adobe\Adobe Flash Builder 4.6\sdks\4.6.1\lib\android\lib\resources\android-res.jar with android-res.jar

      2. add this config to -app.xml 

      <android>
      <manifestadditions>
      <![CDATA[
      <manifest android:installLocation="auto">   
      <uses-sdk android:targetSdkVersion="11"/> <uses-sdk android:minSdkVersion="8"/>   
      <uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/> 
      <application>
      <!-- <activity android:name="com.google.ads.AdActivity?" android:configChanges="keyboard|keyboardHidden|orientation"/> --> <activity android:name="com.google.ads.AdActivity?" android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"/> 
      </application>

      Unknown end tag for </manifest>

      ]]>
      </manifestadditions>
      </android>

      3.add this config to -app.xml 

      <extensions>
      <extensionid>
      so.cuo.ane.Admob
      </extensionid>
      </extensions>

      4. add code to your android air application like follow 

      test1(); private function test1():void {   
      var admob:Admob=Admob.getInstance(); if(admob.isSupported){   
      admob.setUnitId(gid); admob.dispatcher.addEventListener(AdEvent?.onReceiveAd,this.adHandler); admob.dispatcher.addEventListener(AdEvent?.onFailedToReceiveAd,this.adHandler);

      // admob.showRelation(AdMobAlignment?.ALIGN_BOTTOM,AdType?.BANNER); 

      admob.show(50,100,AdType?.BANNER);
      }else{   
      trace("not support");
      }
      }

      protected function adHandler(event:AdEvent?):void {   
      trace("receive ad");
      }
      GilAmran
      GilAmran
      Participating Frequently
      January 13, 2012

      dlbromen, I'm also looking for the same thing!

      I have many libraries that I want to integrate with, but can't with the same reason...

      do you have a solution?

      I know that it is possible! you can google for AdMob extension from milkmangames, they integrated with the Google library (Jar) and it's working for them....

      anyone, anything would do!

      Thanks

      E
      EmilAtanasov
      Participant
      June 21, 2012

      Hello,

      The solution is pretty simple.

      Just extract the jar and bundle the extracted files with your compiled classes. You will have one final .jar file which will contain the library's content and all your classes.

      You can check our version of AdMob ANE here - http://lancelotmobile.com/blog/admob-ane

      The whole code is public so you can see the whole 'magic'.

      Best regards,

      Emil

      Lancelotmobile Ltd.

        H
        heartgoon
        Participating Frequently
        December 18, 2012

        Just extract the jar and bundle the extracted files with your compiled classes.

        i want to ask how to do this.

        i met with the same problem.

        T
        Taiko963
        Participant
        November 9, 2011

        Ran the exact same test as you described and came to the exact same conclusion.

        It's maybe an other problem, but I even can't have ressources embbed inside the resulting apk! : http://forums.adobe.com/thread/922917

        I guess there's an option in the command line to add libraries and the ressources that me missed. I mean there have to be one...

        Is there anybody in there who can help us? If the ANE are just for one class java programs, it lowers the interest a bit.

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