General :: How To Easily Use USB Serial Communication Library
Jun 14, 2012
I have an Ainol Novo 7 Paladin tablet running android ICS 4.0.3 (rooted) that I want to use in one of my projects. And I need it to communicate with an arduino - one with FTDI or prolific PL2303 serial interface. Now I know that the Paladin should work as an USB host but I need something more. I need an high level Java library that can use this serial interface. I've worked with rxtx on a desktop machine before and that is the most complicated that I would like to get. The main reason is that I simply don't have enough knowledge to write myself an serial driver. I just need a simple character based two way communication.
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Oct 18, 2010
I am a beginner in Android and i want to establish a serial port communication(UART RS232) library in Android Framework Layer. My applications want to use that libary to send messages to some serial port devices. here we wan to use android as a embedded device and not a mobile device. can you suggest me how to establish a seria communication and to add that library on android framework layer.
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May 26, 2009
I have just started to develop android application. My question is: Can I communacate with serial port by using android application? If yes, how can I start,need help.
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Jul 2, 2013
After I have rooted my G4 and installed the CWM 6 the serial number of my phone changed to "0123456789ABCDEF". How can I restore the original one?
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Oct 27, 2012
I'm a mac. I've tried using the AOSP guide and using the correct commands... The terminal prompt is here.
I'm on 10.8.2, have 10.5, 10.7, 10.8 SDK(s) installed... I'm porting to a MID7012, which should do it.
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Jun 25, 2012
I decided to root my old zte racer2. It runs android 2.2.2 What is the easiest method??
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Jun 30, 2013
Status bar color is quite limited and doesn't change everything.
I'm looking for something to change the colour of the status bar icons and the transparency. Is there anything for that without changing system apks?
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Apr 10, 2013
I bought a few days ago in Venezuela, a tablet with Android, vit t1310 model. I want to develop directly into it as I did the same for other Android devices, communicating via USB cable and adb. So far I can not find drivers for the tablet, and adb is not recognized as a device.
where I can find drivers to use the adb and these tablets?
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Apr 12, 2014
I use Google Map widgets a lot on my Android tablet. Am I able to synch or otherwise easily copy these to my phone?
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Dec 12, 2012
Any app which let me easily write in it (with keyboard) or draw (with stylus or finger)? I am looking for app more like kingsoft office or polaris than any drawing apps like skitch or sketchbook.
Only working apps i found are skitch and supernote, but in skitch i need to click icon everytime i want to wrote or draw sth and in supernote after making picture, it is fitted to the line.
For me the best would be app where i could draw table and than write inside it. Or sth close to it
TF300t - stock JellyBean (docked/nonrooted)
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Nov 11, 2010
I have an Android library project that makes calls to PreferencesManager.getDefaultSharedPreferences.
I have 2 version of my app, paid/free, and they are not able to access the preferences stored by the library code.
Can someone tell me the right way to store values in SharedPreferences in library code and have the values available to projects that include the library?
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Aug 17, 2010
According to this SDK guide, unit-testing a Library project can be achieved by creating a standard application project, reference the Library project and then instrument the application for unit testing. However, when I do this and launch the test application I get the message.No tests found with test runner 'JUnit 3".I'm using Eclipse and the Android ADT plugin, all latest versions.the projects compile just fine. The test project also installs fine to the emulator. But in the console I can see that it looks for <library>.apk, which of course doesn't exist since I'm compiling this as a library into the test project.
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Mar 25, 2012
I need a program to make communication (audio and video) with my visitors who are at front of my door.
We have 5 different flats. and i want to put a touchpanel (tablet pc with android) to outdoor of gatedoor and another touchpanel to indoor of flats.
When my visitor come to my home he will select my name on list and ring me as calling on a video calling. When he my ring my touchpanel notice me about it and allow me to talk with him and see him.
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Jul 28, 2012
I am considering changing my email address. Is it possible to easily transfer my contacts and paid apps from the play store?
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Aug 26, 2009
I created a jni library which depends the third shared library, I must copy the third shared library to /system/lib, otherwise, Java application can't load jni library. But you know, on G1 with official OS image, /system/lib is readonly. I tried to call System.setProperty to set java.library.path to the location stored the thired shared library before load jni library, but the issue still exists.
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Jul 15, 2010
As I understand, the three ways of distributing my application are via Jar, Android Library and Android Library Project.Jar - cannot contain resources or XML layouts (so this is out for me)Android Library - I don't really know how this works but the Google API uses it..Android Library Project - includes resources but allows the client free rein on the code as it is distributed as source.If I am to create a closed source application that requires drawables and XML files that I want to distribute to other Android programmers, what should I use? And can someone direct me to a tutorial on creating an Android Library?
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Sep 6, 2010
Where do I find the serial number on my HTC? I have tried all the codes under the cover of my phone, however non work.I require it to download HTC Sync
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Jul 1, 2009
I want to interface my serial device on TMobile G1 Phone I want to know if there is a possibility to use a usb to serial converter or Blue tooth as a comm port to interface to my serial device.
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Jun 23, 2009
Is there any way to get some type of serial number or unique string, that no other android device should have? It can't be relative to the sim card, I'm looking for some type of hardware identification number...
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Apr 11, 2010
I have 2 Hero's, one factory unlocked which runs the HTC firmware and a locked Orange Hero that runs the Orange firmware.
If i entered the serial number of the factory unlocked phone and downloaded the HTC firmware could i then install that on the Orange handset?
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Apr 21, 2009
I realize that the Blue tooth API is subject to change over time and that the only available profiles are A2DP and AVCRP, but I am really interested about the options I have to develop an application using the Serial Port Profile. I don't really care if the API will later change, this application is meant to be used only by me (I am trying to communicate to a mirocontroller using Blue tooth and the only supported profiles are SPP and GAP). I am going through the /core/java/android/blue tooth/ classes at the moment but I don't see anything that refers to the SPP or otherwise. I am willing to invest time to learn and write a SPP implementation, provided I have someone to guide me. This is valuable to me because I am doing this project as a final year project so I'm not exactly waiting for someone else to do my work. In conclusion, does anyone have any suggestions on where I could start looking and studying to be able to use the SPP in an application?
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Mar 8, 2010
I'm working on an undergraduate level senior design project with the HTC Sprint Hero. We want to connect a device that constantly sends a serial string of data. Does anyone have any hints, tricks, or shortcuts to be able to read a serial string from the USB port and save it on the phone? I know there is not a really simple way but I'm no where near an expert in programming and wanted to see if anyone has come across anything that might help.
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Aug 16, 2010
I've had an inquiry about whether my Android app can interface with a serial device via USB cable. Before I invest too much time in this path, I'd like to know: Is this even possible? Some previous threads indicate Android won't do host USB. Would it require root access and/or the NDK? Would it be better to advise the potential client to look for a serial blue tooth adapter? I can see that there is a Blue tooth Sock class which may do the job.
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Mar 10, 2010
I've got a fairly unique situation: I'm a teacher with a magnet school that focuses on rocketry and technology. I've got a rocket payload that has a video overlay board which does the following: Code...
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Sep 24, 2010
I may be doing some Blue tooth Serial Port programming work for a client and I'm just looking for some tips in determining complexity/ workload. The work is similar to reading from a blue tooth GPS (not making the phone a blue tooth GPS), but it is some custom hardware, so not exact. Here's what (I think) I know so far: I will need to pair devices with a Serial Port Profile. I need to connect using a Bloodsucker which works on Android 2x -I don't know yet if the Android I will be a server or a client in this scenario. I will open an InputStream (no output stream needed) and have a thread continually blocking for input I believe "BluetoothChat" is the best example to start with. What I would want to know. - Are there devices/manufacturers who block the blue tooth serial port, trying to block tethering or something like that? (-I've seen posts here that imply that, but I don't see a bunch of comments like "Doesn't work on my @#$$" in Blue tooth GPS Providers in the market). -Are there going to be hardware specific oddities, or can I develop with my Nexus One and just hope it works on everything else? -Is pairing something that will require a lot of education for the users, and would a good app try to initiate this inside their app, or just assume it is already done. -Is Blue tooth programming going to be my worst nightmare, like it sometimes was on Windows Mobile, or smoother than I could ever hope?
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Sep 2, 2009
I am trying to figure out if there is any way by which I can access any USB device which is connected to my Android phone's USB port and read data off it? For ex. Can I connect a camera to my phone and pull pictures out of it? I know that we need a HOST-DEVICE configuration to be able to do that... have tried doing this on other devices before picking up my android phone.. thought there would be an easier way to get this done. now, when I connect my phone to a digital picture frame, I can see on the phone that it identifies the USB device it is connected to and goes into a USB mass storage mode. What I want to know is if after this, I can read data from the frame or send data to it. I want to write an app that pulls data over USB and stores it into the phone memory.
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Jul 1, 2010
I thought it would be quite easy to develop a bluetooth application on Android, but it looks like the support is very bad. While pairing works, my Nexus One with Android 2.1 can't connect to the PC. It's the same in Windows and Ubuntu. I used on my Desktop computer, in Windows, Hyperterminal and waited on an incoming bluetooth com-port. I searched already a bit, Maybe this:
http://code.google.com/p/backport-android-bluetooth/
or this library:
http://code.google.com/p/bluecove/
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Jul 27, 2010
How can I programatically read the SD Card's CID register, which contains a Serial Number and other information? Can I do it through Android Java, or Native code?
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Jul 28, 2009
does any body know were i can get the serial number for copilot 8
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May 14, 2010
Two things, please help! When I go to setup ADB, in the cmd dialog box it reads it as "Samsung T929" but doesn't show a specific serial number. Am I okay or is that bad? Then I get to the following line trying to root: data/local/try3 /system/bin/sh Then it tells me that it can't find that file or something. Any ideas?
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