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Is possible to adapt this java code to android? [closed]

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Is it possible to adapt this java code from this webpage http://www.dreamincode.net/forums/topic/27950-steganography/ to be used on the android sdk.
It has ImageIO, WritableRaster and things from java.awt. If its possible please tell me how!
Thanks

Is it possible to adapt this java code from this webpage http://www.dreamincode.net/forums/topic/27950-steganography/ to be used on the android sdk.
Is steganography possible using the Android SDK? Yes. You would manipulate the byte[] of a Bitmap, either in Java code, in native code via the NDK, or perhaps using Renderscript Compute.
Can you perhaps leverage the steganographic algorithms from that code when you write your Android implementation? Presumably yes.
However, as you note, that code depends heavily upon classes that are not part of Android, which is why would you be better served starting with the algorithm and creating a native Android implementation from there, rather than trying to "adapt" the AWT-dependent Java code directly.
Or, see if somebody already has an Android steganography library that you can use.

How to Work on VoIP? [closed]

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I want to develop an app in android through which I can easily transfer Voice over Internet (VoIP). There are many application in market like CSIPSIMPLE. Is there any tutorial which can start from beginning and also how to maintain its server. What are the basic terminologies which we have to use. Please suggest.
Thanks in advance

http://developer.android.com/guide/topics/connectivity/sip.html
Android has a simple sip stack included which should satisfy your needs. Apps like CSipSimple (most of them) use their own sip stack with different codecs/filters applied to the device's input/output, but that requires more work as these are native due to performance.
So for a simple VoIP application, feel free to use android's utilities. Server software choice and maintenance is depending on what you want to achieve, just google for sip servers and read.

CSipSimple is open source. Just start there. Note that it is GPL, so you won't just be able to copy and use it in a commercial application, but you'll see what's involved internally.
For the server, Asterisk has been around for over a decade. There are other alternatives, but Asterisk is the de-facto standard for open source PBX.

create a service to check external database frequently [closed]

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I am new in android and i develop an application that receive data from MYSQL external database using PHP.
I need to create a service to check frequently the database if there is any change made on it the end user will get notification , so how i can create this like this service ??
any article to read ?!
thanks in advance

Well, what are the specifics of the service? What are your requirements? Do you just want to poll your database, and then stop the service once data is retrieved. Will you need a separate worker thread to do this work?
You might want to look into Intent Service for this. Documentation on it can be found here
A standard service may be fine too, but I'm not sure what the specifics are for your project, so I would read up them both and figure out exactly which would be best for your needs.
See this SO question that gives a brief outline of them both.

Firstly, welcome to android development.
Unfortunately your seemingly simple example will require you to learn a lot of android concepts so I cannot answer your question as directly as you might like.
That said, the following site is very good for android tutorials
http://www.vogella.com/android.html
I have also compiled a list of android resources on my site that you might benefit from:
http://www.sage42.org/we-recommend/

Android UI Kit - lookamore [closed]

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I downloaded lookamore, Android UI Kit. I found a .psd file (Layer Photoshop) but I don't know how to use these files in Android development.
Can someone give me a sample code?
Or is it possible to use psd files directly in Android?

There is no sample code and Android has no native method to open PSD files.
You can convert these to another format, such as JPEG, GIF or PNG (depending upon the bit depth of your PSD files and how you are planning on using them) using either an online converter or using a graphics program.
Here is an article giving some programs to try, I recommend GIMP:
http://www.makeuseof.com/tag/the-best-ways-to-open-a-psd-file-without-photoshop/

Extension with .psd file is not supported by android that we can use directly in our application for that to extract the images from .psd as per your requirement i.e. for different sizes.
Try this link this might give you complete idea about this.

How to make 3d background for an android game [closed]

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I have started creating a 3d android game and of course this is my first experience in game development.I found out many tutorials and created a man like model in 3d as .md2 file and inserted animation into it. And now i got a perfect hero to make my game.
Now I want to show like he walks and the background was moving backwards. Please suggest me how can i create 3d background and make it move backwards so it will appear like perfectly he walks. Many more thanks for reading this and its great if u suggest any answer, so that my long search will comes to end. Thanks

I finally made moving the background by using the SkyBox, i created a box and make it moved by moving the scene.camera() position value. and use blender to create a 3d Model

Try to use one library to made it for you i have a website with a lot of libraries for android try one and give some feedback
Android Libraries
sorry for my bad english.