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    <title>Firefly Open Source Community - Android</title>
    <link>https://bbs.t-firefly.com/forum.php?mod=forumdisplay&amp;fid=164</link>
    <description>Latest 20 threads of Android</description>
    <copyright>Copyright(C) Firefly Open Source Community</copyright>
    <generator>Discuz! Board by Comsenz Inc.</generator>
    <lastBuildDate>Mon, 27 Apr 2026 22:37:15 +0000</lastBuildDate>
    <ttl>60</ttl>
    <image>
      <url>https://bbs.t-firefly.com/static/image/common/logo_88_31.gif</url>
      <title>Firefly Open Source Community</title>
      <link>https://bbs.t-firefly.com/</link>
    </image>
    <item>
      <title>Google play service error</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2710</link>
      <description><![CDATA[Hi,
I have successfully ported Android 8.1 in development board (Core 3399pro JD4). 
If I open custom android app, it is showing as google play services error.
I tried installing Gapps package but the error still persist.]]></description>
      <category>Android</category>
      <author>aleena.j</author>
      <pubDate>Tue, 03 Dec 2019 11:31:38 +0000</pubDate>
    </item>
    <item>
      <title>rkisp1: MIPI mis error</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2708</link>
      <description><![CDATA[Hi I\'m using a custom MIPI Adapter board in Firefly AIO3399J board running Android 8.1 . I\'m facing MIPI mis error and its causing issues with the camera streaming. 

The following MIPI mis errors are occuring at different instances.

rkisp1: MIP ..]]></description>
      <category>Android</category>
      <author>arvindprksh</author>
      <pubDate>Wed, 20 Nov 2019 15:57:04 +0000</pubDate>
    </item>
    <item>
      <title>Streaming issue due to CIF_ISP_PIC_SIZE_ERROR</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2705</link>
      <description><![CDATA[Hi,
I\'m running Android 8.1 on Firefly AIO-3399J and using yuv MIPI  camera with a custom adapter board and we are facing issues during first camera stream where the streaming  doesn\'t start when opening the default camera application for the first  ..]]></description>
      <category>Android</category>
      <author>arvindprksh</author>
      <pubDate>Sat, 16 Nov 2019 10:29:19 +0000</pubDate>
    </item>
    <item>
      <title>LVDS Issues</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2676</link>
      <description><![CDATA[Hello,

I have been trying to make LVDS work on AIO-3399J, but am having some issues. I tried two different displays, but they both look basically the same. I have spent many hours tweaking the code, but I can only get one result. See the attached  ...]]></description>
      <category>Android</category>
      <author>crash8319</author>
      <pubDate>Mon, 09 Sep 2019 15:12:21 +0000</pubDate>
    </item>
    <item>
      <title>Android 8.1 yuv camera support in AIO3399J</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2670</link>
      <description><![CDATA[Does the AIO3399J board support sensors which have yuv output format and uses MIPI interface? Is there support for it in the Android 8.1 BSP?]]></description>
      <category>Android</category>
      <author>arvindprksh</author>
      <pubDate>Tue, 13 Aug 2019 11:15:41 +0000</pubDate>
    </item>
    <item>
      <title>Sleep not work</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2623</link>
      <description><![CDATA[Trying to send android to sleep via \'echo mem &gt; /sys/power/state\' but after few seconds system become available again



Is is possible to disable this GPIO0: 0x8 iterrupt wake up ?]]></description>
      <category>Android</category>
      <author>santiagax99</author>
      <pubDate>Wed, 05 Jun 2019 19:53:51 +0000</pubDate>
    </item>
    <item>
      <title>Set display index to \'Small\' with default density as 180</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2513</link>
      <description><![CDATA[I want to make default display index to \'Small\' instead of \&quot;Default\&quot;(check \'Settings/Display/Display size\') and my density should be 180 at \&quot;Small\&quot; display index.

I have tried to set \&quot;ro.sf.lcd_density = 180\&quot; in system.prop but it sets only d]]></description>
      <category>Android</category>
      <author>ParthPrajapati</author>
      <pubDate>Tue, 29 Jan 2019 09:25:21 +0000</pubDate>
    </item>
    <item>
      <title>ADB over USB not working</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2508</link>
      <description><![CDATA[How do I enable USB ADB? I am using the top port on the USB ports, and enabled the proper settings.
I am able to flash images to AIO board but not connect via ADB. I followed all the steps of the tutorial on both 7.1 and 8.1 but it did not work. I m ...]]></description>
      <category>Android</category>
      <author>skmagiik</author>
      <pubDate>Fri, 25 Jan 2019 05:57:54 +0000</pubDate>
    </item>
    <item>
      <title>AIO-3399J Android from get HDMI Video use in android app</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2500</link>
      <description><![CDATA[I had purchase AIO-3399J board and flash android on board.
I want to capture video using HDMI and display in my android app.
Please give me provide API or Library if any.]]></description>
      <category>Android</category>
      <author>alpesh</author>
      <pubDate>Thu, 10 Jan 2019 12:04:28 +0000</pubDate>
    </item>
    <item>
      <title>Make mouse cursor visible/invisible for AIO 3399J</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2448</link>
      <description><![CDATA[How to make mouse cursor visible/invisible for AIO 3399J?]]></description>
      <category>Android</category>
      <author>KrunalShah</author>
      <pubDate>Tue, 13 Nov 2018 10:42:16 +0000</pubDate>
    </item>
    <item>
      <title>GPS Module</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2445</link>
      <description><![CDATA[Hi there!
Does any one knows if the GPS Module sold by Firefly is natively supported by geo localization apps?
Thanks for your lights]]></description>
      <category>Android</category>
      <author>Benzduino</author>
      <pubDate>Wed, 07 Nov 2018 20:05:32 +0000</pubDate>
    </item>
    <item>
      <title>ANDROID 8.1  AIO-3399J  no audio on 3.5mm</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2442</link>
      <description><![CDATA[Hi,
I have tested Android 8.1 on AIO-3399J board.  Sound DOES NOT WORK on 3.5mm Jack socket.

Sound works on HDMI only?

How can i fix this.


Rakie]]></description>
      <category>Android</category>
      <author>RakeshDesai</author>
      <pubDate>Fri, 02 Nov 2018 14:08:08 +0000</pubDate>
    </item>
    <item>
      <title>AIO-3399J</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2441</link>
      <description><![CDATA[Hi,
I have tested Android 8.1 on AIO-3399J board.  Sound DOES NOT WORK on 3.5mm Jack socket.

Sound works on HDMI only?

How can i fix this.


Rakie]]></description>
      <category>Android</category>
      <author>RakeshDesai</author>
      <pubDate>Fri, 02 Nov 2018 13:53:09 +0000</pubDate>
    </item>
    <item>
      <title>Android 7.1.2 recovery.img fix ? [with ADB support]</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2427</link>
      <description><![CDATA[Hi there!!
Is there anyone who has managed to fix the recovery image ADB issue?
I have tried many tricks but doesn\'t seem to work!
Still getting the \&quot;NO SUCH FILE OR DIRECTORY\&quot; message!

Then flashed the 8.1 recovery image and some good news cam .]]></description>
      <category>Android</category>
      <author>Benzduino</author>
      <pubDate>Thu, 04 Oct 2018 22:34:45 +0000</pubDate>
    </item>
    <item>
      <title>AIO 3399J Play Store registration</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2425</link>
      <description><![CDATA[Hi Everyone
I am a French New B so please bare patience with me!
I\'ve been trying to figure out a way to get Google Services working on the RK 3399\'s
And my first success was only to get the board registered on the play store using my Google accou ..]]></description>
      <category>Android</category>
      <author>Benzduino</author>
      <pubDate>Wed, 03 Oct 2018 08:38:23 +0000</pubDate>
    </item>
    <item>
      <title>Android development</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2421</link>
      <description><![CDATA[Hello, 

I have no previous experience in android development. I do know how to program in Java though. Can someone please explain to me the setup I will need to start developping in an AIO3399 board. 
Once I\'ve installed the android image what sh ...]]></description>
      <category>Android</category>
      <author>Yazly</author>
      <pubDate>Thu, 27 Sep 2018 12:41:42 +0000</pubDate>
    </item>
    <item>
      <title>AIO 3399 Google GMS</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2419</link>
      <description><![CDATA[Hello everyone,
Is there a way integrate Google service Module to the os!
Thanks in advance]]></description>
      <category>Android</category>
      <author>Benzduino</author>
      <pubDate>Thu, 20 Sep 2018 19:31:40 +0000</pubDate>
    </item>
    <item>
      <title>AIO-RK3399J root</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2406</link>
      <description><![CDATA[Hi there!
Is the AIO-RK3399J rooted ?
If not can it be done?!
Many thanks]]></description>
      <category>Android</category>
      <author>Benzduino</author>
      <pubDate>Tue, 04 Sep 2018 13:43:49 +0000</pubDate>
    </item>
    <item>
      <title>I want to remove back event on right click of USB Mouse</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2387</link>
      <description><![CDATA[Hello,
I want to remove back event on right click of external USB mouse.
Can anyone suggest the way to do that?]]></description>
      <category>Android</category>
      <author>KrunalShah</author>
      <pubDate>Thu, 09 Aug 2018 08:55:24 +0000</pubDate>
    </item>
    <item>
      <title>How to change the logo of firefly which comes during booting process</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2358</link>
      <description><![CDATA[Hi,
I want to replace the firefly logo with mine.
What are the steps to do that?]]></description>
      <category>Android</category>
      <author>KrunalShah</author>
      <pubDate>Fri, 29 Jun 2018 04:11:57 +0000</pubDate>
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