[DEV] GSM phone calls on Nexus 7 3G

kRt_uK · Dec 2, 2012

BEFORE YOU POST HERE - Keep in mind this is now a DEV thread and only those with a glimpse of DEV knowledge should be posting.
There is other thread with the same subject open to everybody discuss it.

Please, this thread isn't related to VOIP, SIP calls or Tethering and
It's only to 3G version of Nexus 7.

What do you think is the possibility of us getting this function guys, even if its not officially supported.

I've seen it built in on the 7" samsung galaxy tab 2.

http://www.youtube.com/watch?v=wZ9RN...t=HL1351349133

At the moment we know:

1- The chipset Intel (Infineon) XMM6260 is built-in on Nexus 7 3G (the same chipset is in that rather long list of phones). It means no hardware limitations.

http://xdaforums.com/showthread.php?p=34386544&highlight=6260#post34386544
http://pdadb.net/index.php?m=specs&i...exus_7_3g_32gb
http://xdaforums.com/show....php?t=1483053

it also the same controller is in the following devices

- Lava XOLO X900 [Phone]
- Lenovo K800 [Tablet/Pad]
- LG-P920 (LG ?) [Phone]
- LG-P925 (LG Optimus 3D?) [Phone]

- Huawei E369 (3G Hi-Universe) [USB 3G Modem]
- Huawei MU733/MU739 [PC/CE Module]
- Samsung Galaxy Nexus (I9200) [Phone]

2- SMS texting works perfectely with the native mms.apk but MMS messages crash the app (missed mms APN + framework parameters?)
http://xdaforums.com/showthread.php?t=1998702&page=4

3- Modified framework-res.apk (by modifying bools.xml entry to name="config_voice_capable">true) shows up the native dialer (phone.apk) on the UI
JB 4.2 http://xdaforums.com/showthread.php?t=1958686&page=12
JB 4.2.1 http://xdaforums.com/showpost.php?p=34736932&postcount=314

4- When placing calls trough the native dialer (phone.apk) with Skype app installed, it shows up a white menu asking "Do you want to complete this action using..." the options are "Mobile data" (w/ phone.apk blue icon) or "Skype" (w/ skype icon) and "Always" or "Just Once" (perhaps there is missing a "Phone" profile (or APN) as an option too)

5- If Skype is chosen, the call is complete and everything goes well, but if "Mobile data" is chosen, we get a single sound (bip) and the call is not complete.

6- Changing the DPI to 320 in build.prop file allow us to add a SIP account (SIP calls using native dialer is now possible), DPI could be restored after SIP account settings done.
http://xdaforums.com/showthread.php?p=34752693&highlight=320#post34752693

Detailed informations come from the thread in XDA developers at:
http://xdaforums.com/showthread.php?t=1958686

--------------------------------------------------------
UPDATE 5th Dec 2012 by Synman

ok, I hacked NetworkPolicyManager and am no longer crashing. Network time appears to be non-functional for the time-being. Network status is a little wonky too ... even though I have a good network signal the network icon never switches from gray to blue.
MMS send/receive is fully functional (with the exception of screwed up timestamps)

Pulled down master AOSP branch
Pulled down grouper binaries

working with grouper device

Modified device.mk
- use init.tilapia.rc
- use tilapia overlay
- remove SimpleSMS
- remove ro.carrier=wifi_only

Modified full-grouper.mk
- ref full_base_telephony in place of full_base
- added full apns

Modified device-common.mk
- added gsm permission

system.prop
replaced ref to libril-icera with libxgold

tilapia overlay
- removed single apn rules
- set voice-enabled
- added mms values

NetworkPolicyManager
- removed call to time.getMaxPeriod

kRt_uK · Dec 2, 2012

I tried to make a summary of the whole work on the previous thread assuming it will be much more productive.
If someone has a suggestion to the OP please let me know and I change it to keep more updated as possible.

Ather · Dec 2, 2012

te framework linked above is for 4.2 ROM, the 4.2.1 is on page 32 ; http://xdaforums.com/showpost.php?p=34736932&postcount=314

Synman · Dec 2, 2012

I've done a bit more digging within the 4.2.1 source and until we have the device specific portions of the build we are going to keep struggling.

Everything I'm seeing comes back to the framework.

I'm currently focusing on getting a build of Mms.apk bypassing framework and, while slow and tedious, I'm making progress.

My current line of thinking (open to discussion, please) is that the framework hooks we need are simply missing in our build.

Keep in mind this is now a DEV thread and only those with a glimpse of DEV knowledge should be posting.

Sent from my Galaxy Nexus using Tapatalk 2

TinTin · Dec 2, 2012

I'm wondering if the parameters in line 40 have anything to do with it.

https://android.googlesource.com/de...rameworks/base/core/res/res/values/config.xml https://android.googlesource.com/de...rameworks/base/core/res/res/values/config.xml

TinTin · Dec 2, 2012

TinTin said:
I'm wondering if the parameters in line 40 have anything to do with it.

https://android.googlesource.com/device/asus/tilapia/+/bead144d1ca3f10e5ea7a93c58b35d6bc0630f80/overlay/frameworks/base/core/res/res/values/config.xml

Oooh Lines 183-184 are even more interesting:

Code:

    <!-- This device is not "voice capable"; it's data-only. -->
    <bool name="config_voice_capable">false</bool>

Or is this the variable you guys already used to enable the dialer? And that's all it does?

Synman · Dec 2, 2012

Yeah, we've already hacked that one... Its how we got the native dialer.

#3 in OP

Sent from my Galaxy Nexus using Tapatalk 2

TinTin · Dec 2, 2012

Synman said:
Yeah, we've already hacked that one... Its how we got the native dialer.

What about line 40? Did you try changing parameters yet? to like

Code:

<item>"mobile,0,1,1,-1,true"</item>

Or other combinations.

Synman · Dec 2, 2012

I haven't compared them to a galaxy nexus framework yet. Is that where those came from?

TinTin · Dec 2, 2012

Synman said:
I haven't compared them to a galaxy nexus framework yet. Is that where those came from?

Oh, nevermind. The Mako (Nexus 4) has the same values
0,0,0,-1,truefor "item" mobile in it's 4.2.1 config.xml, so this is not it I guess.

TinTin · Dec 3, 2012

TinTin said:
Oh, nevermind. The Mako (Nexus 4) has the same values
0,0,0,-1,truefor "item" mobile in it's 4.2.1 config.xml, so this is not it I guess.

I found a thread elsewhere that could contain (parts) of the solution. Looking at the config.xml of the Mako (Nexus 4) and comparing it to the one of tilapia I see these parameters missing (line 40 ff.)

Code:

    <item>"mobile_mms,2,0,2,60000,true"</item>       
    <item>"mobile_fota,10,0,2,60000,true"</item>
    <item>"mobile_ims,11,0,2,60000,true"</item>
    <item>"mobile_cbs,12,0,2,60000,true"</item

Please someone try adding them to the string-array of network-attributes (I don't have the decompiler yet). They definitely should be there. This might not be all yet though.

Polarfuchs · Dec 3, 2012

Those values might be connected with Verizon APN settings.

System Infrastructure

APN Manager by 81 Square -- Has a list of APNs for USA, Canadian and European mobile operators, plus you can type in your own. I enabled Verizon Internet (choices are CBS, FOTA, IMS, Internet). No visible effect. Power cycled the phone. Didn't help.

http://www.math.ucla.edu/~jimc/moto-droid3/apps.shtml

They appear here, too.

http://pastebin.com/NFGMVi2a

Synman · Dec 3, 2012

Here are the relevant Galaxy Nexus maguro values:

Code:

    <string-array name="networkAttributes">
        <item>wifi,1,1,1,-1,true</item>
        <item>mobile,0,0,0,-1,true</item>
        <item>mobile_mms,2,0,2,60000,true</item>
        <item>mobile_supl,3,0,2,60000,true</item>
        <item>mobile_dun,4,0,3,60000,true</item>
        <item>mobile_hipri,5,0,3,60000,true</item>
        <item>mobile_bluetooth,7,7,1,-1,true</item>
        <item>ethernet,9,9,1,-1,true</item>
        <item>wifi_p2p,13,1,0,-1,true</item>
    </string-array>
    <integer-array name="config_protectedNetworks">
        <item>10</item>
        <item>11</item>
        <item>12</item>
    </integer-array>
    <string-array name="radioAttributes">
        <item>1,1</item>
        <item>0,1</item>
        <item>7,1</item>
        <item>9,1</item>
    </string-array>
    <integer-array name="config_data_usage_network_types">
        <item>0</item>
        <item>2</item>
        <item>3</item>
        <item>4</item>
        <item>5</item>
        <item>10</item>
        <item>11</item>
        <item>12</item>
    </integer-array>

TinTin · Dec 3, 2012

I found out that neither device.mk nor full_tilapia.mk inherit from a telephony package (while the Mako (Nexus4) does through the following line in full_mako.mk:

Code:

$(call inherit-product, $(SRC_TARGET_DIR)/product/full_base_telephony.mk)

This describes a similiar situation under ICS and the steps someone took to solve the problem,
this sounds like a promising way to me (The same things are missing in the Tilapia build):

http://groups.google.com/group/android-porting/msg/3a28bb754b9ba18a

Synman · Dec 3, 2012

now all we need are the device binaries... c'mon google

punshkin · Dec 3, 2012

Synman said:
now all we need are the device binaries... c'mon google

i know, i shouldn't post here so feel free to delete my post, but are the device binaries something we just have to wait a little for google to release or are they closed source and we have to urge google to release them?
https://developers.google.com/android/nexus/drivers
only has the binaries for the grouper...
Someone wrote that the radio chipset is the same as for the galaxy nexus so shouldn't it be possible to use the gsm binaries from the galaxy nexus?

Synman · Dec 3, 2012

punshkin said:
i know, i shouldn't post here so feel free to delete my post, but are the device binaries something we just have to wait a little for google to release or are they closed source and we have to urge google to release them?
https://developers.google.com/android/nexus/drivers
only has the binaries for the grouper...
Someone wrote that the radio chipset is the same as for the galaxy nexus so shouldn't it be possible to use the gsm binaries from the galaxy nexus?

we gotta learn somehow, right?

This is the page to watch: https://developers.google.com/android/nexus/drivers

just as soon as it hits we will be able to do our own full builds and device deploys right from the master source branch.

In the meantime I've made the change inheriting telelphony to my .mk file and am in the process of making to see what all changes. I lost a ton of time today doing a maguro build hoping to salvage something from it and ultimately coming up empty.

That same line is in the maguro build. Something that I noticed is that tliapia refers to $(call inherit-product, $(SRC_TARGET_DIR)/product/full_base.mk) unlike the phones.

Synman · Dec 3, 2012

Have also found this at the bottom of full_base.mk

Code:

# Get everything else from the parent package
$(call inherit-product, $(SRC_TARGET_DIR)/product/generic_no_telephony.mk)

full_base_telelphony.mk includes full_base + telephony and brings along some extra stuff for the ride such as carrier apns and voicedialer.

telelphony.mk includes Mms.apk

----

looks like that's just about everything. It's probably redundant to have both full_base_telelphony and full_base in tilapia's mk file. Probably better to just use full_base_telephony. At the very least have full_base_telephony referenced first -- comments indicate the earlier entries take precedence.

TinTin · Dec 3, 2012

Synman said:
looks like that's just about everything. It's probably redundant to have both full_base_telelphony and full_base in tilapia's mk file. Probably better to just use full_base_telephony. At the very least have full_base_telephony referenced first -- comments indicate the earlier entries take precedence.

Sounds good so far. Did you go the extra bit and try what else was mentioned in the post I linked to? Adding the extra parameters (see above) to the networkAttributes string-array and checking if telephony contains:

Code:

          PRODUCT_PACKAGES := \ 
 
             Contacts \ 
              ContactsProvider \ 
              Phone \ 
              TelephonyProvider \ 
              UserDictionaryProvider \ 
              Mms 
 
      PRODUCT_COPY_FILES := \ 
             development/data/etc/apns-conf.xml:system/etc/apns-conf.xml 
 
          PRODUCT_PROPERTY_OVERRIDES := \ 
             keyguard.no_require_sim=true \ 
             ro.com.android.dataroaming=true

-> Clean build and build freshly

TinTin · Dec 3, 2012

Synman said:
That same line is in the maguro build. Something that I noticed is that tliapia refers to $(call inherit-product, $(SRC_TARGET_DIR)/product/full_base.mk) unlike the phones.

Right, that's because most of Tilapia derives from Grouper. You'll find the same there.

[DEV] GSM phone calls on Nexus 7 3G

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