Iphone 4...yet another revolutionary product

From past 4 years a new surprise form Apple every year.The revolutionary product which changed the world of smart phones.The most recent is Iphone 4....A lots of features added to the Previous version.Starting with the deign...longer battery,new A4 chip,Retina Display,5Mp cam with LED flash,high res video capturing,Multitasking,Video calling(Face Time),Screen resolution..........Thinner ans yet smarter than previous ones.
The first Day of bookings over 600,000 iphones were ordered according to the apple.

Design & Battery--->
Iphone 4 delivers nearly 16% more than previous iphone.This is possible with the increase in size of battery.But the size of iphone is the same and thinner.So how it is possible?.The answer is the processor(A4) Size is reduced and increased Battery size and thus battery capacity. The crve of previous iphones id replaced with rectangular design.


Talk time:
Up to 7 hours on 3G
Up to 14 hours on 2G

Standby time:
Up to 300 hours

Internet use:
Up to 6 hours on 3G
Up to 10 hours on Wi-Fi

Video playback:
Up to 10 hours

Audio playback:
Up to 40 hours

Retina Display---->
The display is amazing.The screen resolution is 960 X640.You will feel like as you are printing the paper written by you.The screen Glass is on front and back which is very hard and finger print resistant.The technology used in making the glass is based on high speed train front glasses.

5Mp cam--->
The Cam comes with a LED flash and 5mp .We can get high def video recordings.
There is also a front Cam.

Multitasking--->
The one which is missing in all previous iphones.


Face Time(Video Calling)--->
Video calling is already present in some of other smart phones.But what makes difference is the quality of Call is completely dominating than other phones.The Camera can switch from front and back cameras with a single TAP.

The other features include ...folder creation,App Store(nearly 1,50,00 apps)...etc...


Some of the Drawbacks are fixed battery.We cant change the Battery.Some users use two batteries .they will definitely face the problem.In built memory card.There is no option to take the memory card out of the phone.

Iphone 4 comes with two variants....16gb and 32 gb .
16Gb costs around 199$ , a contract with AT&T network.
32Gb costs around 299$ , a contract with AT&T network.


For more details visit

http://www.apple.com/iphone/


14/07/10......

Many issues are raising on the signal strengths of iphone.The signal level decresases when the hand position is on he left bottom side at a particular point.Apple team have to respond to this ASAP.

J2Me...My first App

My first App ....Mobile App...i have to do it on J2ME platform.I developed a J2ME application at last with the help of 3rd party LWUIT.The tool LWUIT is very flexible to use.But the performance degrades compared to pure J2ME app.The issue we struggled is displaying the large text.We are getting the whole text in a single line(cutting the text which is more than screen size.).We wrote a function to wrap the text into pieces sufficient for the screen and display each piece in a separate label.But this will take lot of time if the text is too large.....

Compared to BB and Iphone J2ME api doesn't have a rich look and feel.The network connectivity is good in iphone.

Small phones always support J2ME.Nokia and sony erricson mobiles also suport J2ME.

tru2way---rare Tv app dev

Had to do some R&D on TV applications a long ago.I finally concentrated on Tru2Way technology which is emerging,Brand name for opencable specifications.OpenCable is a set of hardware and software specifications under development in the United States by CableLabs to "define the next-generation digital consumer device" for the cable television industry.Tru2Way is developed by Cable labs.

Previously there is another technology called MHP(multimedia home platform) which is a decent success in UK.Then an Us company CableLabs started working on this Stream ..finally it is Tru2Way.The set top boxes in Us are bit different from rest of the world.Tru2Way is spreading among US.
Comming to the technology...what is this technology?why we are using this technology?what are the other technologies in this category?...these are some of the questions raised.....

Basically for a TV application the user cant interact with the cable operator ie there is no 2 way communication.But the applications which are developed by Tru2Way can have an interaction with the cable operator....confined by the application.Suppose a reality show is going on.You have to poll the contestant through SMS,but by using this technology we can directly poll to a contestant through remote.this is a sample application.we can develop a lot more.

This field has to be improved a lot.As far as i observed we are not able to input the characters i.e the user can only generate events.

The apps devoloped on this technology are installed on the Set Top Boxes.It uses java Tv API for network issues.

If you are interested in this technology first thing is to visit http://www.java.net and where you can find forums....for a lot more discussion.


some of the useful links are:

http://www.ibm.com/developerworks/java/library/j-ocap1/index.html?ca=drs

http://www.ibm.com/developerworks/java/library/j-ocap2/index.html?ca=drs

http://www.ibm.com/developerworks/java/library/j-ocap3/index.html?ca=drs

Blackberry App dev into my life

After a lots of confusion in my life...I am into Blackberry app development.


First of all the Mobile applications need a lot of patience to develop.We have to use less resources not like the web apps or Java apps.It is based on Java (J2Me).RIM modified the J2me API into the way Blackberry supports.BB apps are COD files(which cant be extracted) not like JAR files of J2ME.J2me apps are also supported by Blackberry.But these(J2ME) Apps will not be approved by Blackberry app store team.

I worked on J2ME for 2 months and then suddenly shifted to Blackberry dev as per requirement.My first task i remember i have to support arabic text in my app.its a simple thing,the one that challenged me is to retrieve an arabic text from editField.I struggled a lot...and At last i got soln to store the value in RMS and retrieve the value from RMS.These are some of my first experiences on BB app dev.

On the flip side,The debugging and running are too slow in BB.An app developer should have a lot of patience.

Introduction.....Ends here.