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My goal is to build an application to send text messages through android phones using computer connected to the phone using a cable.
In order to do so and to provide a good UI, I will need to read messages from my android phone to my computer. I have a slight idea that to do this I will first have to make an application using the message reading privileges and put it on my phone. Then I would need to read the messages through that application.
What I do not know is that how will I read this to my computer which has been connected using a cable to the phone. I will be using Java as the language to do this. Please advise.
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I am developing a finger print scanning JAVA application for Image Processing using OPENCV. I thought of without using any scanner for this, I should do this using an Android phone camera. I which my Java Code will be starting the android camera and capturing an image and transferring directly it to the PC. I searched a lot but got no clue regarding it. All the clues are just like develop an Android application and stuff about it. Any help regarding this much appreciated.
You could create a server that runs on the Android device and listens for messages sent from the PC. When a message is sent from the PC to the server (Like open camera for example) the Android device will start the camera app (Using an Intent )
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I'm trying to make java application that discovers nearby bluetooth devices and get incoming data from them. And I absolutely don't know how to do it. My application is for getting data from microcontroller board with bluetooth module. Please help me.
Use bluetooth stack like Bluecove libraries implementation which supports JSR-82 capble phone device. You can use it's deviceagent discovery api to discover bluetooth devices.
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So I'm starting an android project, very new to it and to java.
But I have a knowledge in programming, especially VB.
I'm planning to create and app for certain users to see the data from a database. Is it possible without an internet connection? If not, will be a difficult task?
Where is the database? Is it online? When you say "Data Connection" do you mean Edge/4G/LTE or WiFi or Bluetooth? Your device has to connect at least once to the database in order to copy over the required data, and it depends on the database, but you might as well just copy it locally all over to the device itself.
Here are few starting points:
Internet
WiFi
Bluetooth
Database (SQL)
I also recommend getting this book for beginners (try Google-ing it, you know...) . It was very helpful for me to use it. In about a week (if you are fast like that) you can have a pretty solid experience and understanding.
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I am totally new to android as well as java for android programming.
I have to create an android app which uses wifi to chat with the devices available in the available wifi area.
I wouls like to know how can i implement this?
What are the requirements to create such app?
If it is already created, i would like to download one for the reference purpose.
Kindly help me.
Google already released an example doing just this using the wifi discovery service API that was added into Android 4. You can find it here.
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I want to make the simplest and most reliable on/off device controlled from a compuer software (Java).
I was thinking about sinus sound singnal + RC filter with relay for specific frequency, but unfortunatelly I can't use sound card - it is already occupied for different purposes.
How can I achieve this without much compatibility/reliability issues. It should work both on Unix and Windows
I mean an output device, so I want to turn on/off relay from Java software.
USB MIDI adapter and then midi to relay .
Maybe use a Raspberry Pi (includes GPIO controller). Put a web service to control the GPIO. The web service is accesable from any HTTP client.
http://learn.adafruit.com/adafruits-raspberry-pi-lesson-4-gpio-setup/