How to use SmsManager.importMultimediaMessage()? How to import MMS in Android's database?












1














So, I'm building an app to copy all my messages (AND mms, WITH attachments) from iOS (iTunes backup) to Android Pie (OxygenOS).



I went through Android's SmsManager.java file, and I noticed two methods:





  • importTextMessage(...) does the job perfectly for SMS!!


  • importMultimediaMessage(...), hum.. MMS is a big deal.


Can someone explain me how to use importMultimediaMessage?

What are the first 2 params?



I wish I could just import the attachments (byte) and somehow, link it to a message..





PS: These 2 methods are part of internal APIs, and thus, they are not well documented.

To use it in a project, we have to:




  • use a modified version of android.jar (see version 28 here github.com/anggrayudi/android-hidden-api)


  • Run the following command from the computer



    adb shell settings put global hidden_api_policy_pre_p_apps  1
    adb shell settings put global hidden_api_policy_p_apps 1


    according to developer.android.com/about/versions/pie/restrictions-non-sdk-interfaces






PS2: For those wondering why I'm using internal APIs, I will not publish this app. It's just for personal purposes. I'll probably delete it after all my Message restored. That's why I feel free to use Android's internal APIs.





PS3: I also tried this accepted answer (stackoverflow.com/a/15224716/2559851), but I don't know why, the res variable is always null here



Uri res = context.getContentResolver().insert(partUri, mmsPartValue);









share|improve this question





























    1














    So, I'm building an app to copy all my messages (AND mms, WITH attachments) from iOS (iTunes backup) to Android Pie (OxygenOS).



    I went through Android's SmsManager.java file, and I noticed two methods:





    • importTextMessage(...) does the job perfectly for SMS!!


    • importMultimediaMessage(...), hum.. MMS is a big deal.


    Can someone explain me how to use importMultimediaMessage?

    What are the first 2 params?



    I wish I could just import the attachments (byte) and somehow, link it to a message..





    PS: These 2 methods are part of internal APIs, and thus, they are not well documented.

    To use it in a project, we have to:




    • use a modified version of android.jar (see version 28 here github.com/anggrayudi/android-hidden-api)


    • Run the following command from the computer



      adb shell settings put global hidden_api_policy_pre_p_apps  1
      adb shell settings put global hidden_api_policy_p_apps 1


      according to developer.android.com/about/versions/pie/restrictions-non-sdk-interfaces






    PS2: For those wondering why I'm using internal APIs, I will not publish this app. It's just for personal purposes. I'll probably delete it after all my Message restored. That's why I feel free to use Android's internal APIs.





    PS3: I also tried this accepted answer (stackoverflow.com/a/15224716/2559851), but I don't know why, the res variable is always null here



    Uri res = context.getContentResolver().insert(partUri, mmsPartValue);









    share|improve this question



























      1












      1








      1







      So, I'm building an app to copy all my messages (AND mms, WITH attachments) from iOS (iTunes backup) to Android Pie (OxygenOS).



      I went through Android's SmsManager.java file, and I noticed two methods:





      • importTextMessage(...) does the job perfectly for SMS!!


      • importMultimediaMessage(...), hum.. MMS is a big deal.


      Can someone explain me how to use importMultimediaMessage?

      What are the first 2 params?



      I wish I could just import the attachments (byte) and somehow, link it to a message..





      PS: These 2 methods are part of internal APIs, and thus, they are not well documented.

      To use it in a project, we have to:




      • use a modified version of android.jar (see version 28 here github.com/anggrayudi/android-hidden-api)


      • Run the following command from the computer



        adb shell settings put global hidden_api_policy_pre_p_apps  1
        adb shell settings put global hidden_api_policy_p_apps 1


        according to developer.android.com/about/versions/pie/restrictions-non-sdk-interfaces






      PS2: For those wondering why I'm using internal APIs, I will not publish this app. It's just for personal purposes. I'll probably delete it after all my Message restored. That's why I feel free to use Android's internal APIs.





      PS3: I also tried this accepted answer (stackoverflow.com/a/15224716/2559851), but I don't know why, the res variable is always null here



      Uri res = context.getContentResolver().insert(partUri, mmsPartValue);









      share|improve this question















      So, I'm building an app to copy all my messages (AND mms, WITH attachments) from iOS (iTunes backup) to Android Pie (OxygenOS).



      I went through Android's SmsManager.java file, and I noticed two methods:





      • importTextMessage(...) does the job perfectly for SMS!!


      • importMultimediaMessage(...), hum.. MMS is a big deal.


      Can someone explain me how to use importMultimediaMessage?

      What are the first 2 params?



      I wish I could just import the attachments (byte) and somehow, link it to a message..





      PS: These 2 methods are part of internal APIs, and thus, they are not well documented.

      To use it in a project, we have to:




      • use a modified version of android.jar (see version 28 here github.com/anggrayudi/android-hidden-api)


      • Run the following command from the computer



        adb shell settings put global hidden_api_policy_pre_p_apps  1
        adb shell settings put global hidden_api_policy_p_apps 1


        according to developer.android.com/about/versions/pie/restrictions-non-sdk-interfaces






      PS2: For those wondering why I'm using internal APIs, I will not publish this app. It's just for personal purposes. I'll probably delete it after all my Message restored. That's why I feel free to use Android's internal APIs.





      PS3: I also tried this accepted answer (stackoverflow.com/a/15224716/2559851), but I don't know why, the res variable is always null here



      Uri res = context.getContentResolver().insert(partUri, mmsPartValue);






      android android-studio android-contentresolver smsmanager android-mms






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      edited Nov 21 at 8:27

























      asked Nov 21 at 2:07









      David

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          Answering myself, I end up not using importMultimediaMessage().



          If you want a working project, see here https://github.com/let-aurn/iosmessagetoandroid.






          share|improve this answer





















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            Answering myself, I end up not using importMultimediaMessage().



            If you want a working project, see here https://github.com/let-aurn/iosmessagetoandroid.






            share|improve this answer


























              0














              Answering myself, I end up not using importMultimediaMessage().



              If you want a working project, see here https://github.com/let-aurn/iosmessagetoandroid.






              share|improve this answer
























                0












                0








                0






                Answering myself, I end up not using importMultimediaMessage().



                If you want a working project, see here https://github.com/let-aurn/iosmessagetoandroid.






                share|improve this answer












                Answering myself, I end up not using importMultimediaMessage().



                If you want a working project, see here https://github.com/let-aurn/iosmessagetoandroid.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 22 at 14:42









                David

                2,24032041




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