Here are the news from Apple: "When the iPhone 3G goes on sale tomorrow, more than 500 native applications will be available on the revolutionary new App Store — including more than 125 free applications."
But the applications are already there!! Because in some parts of the world it is already July 11. And what is great, there are many free applications. For example, Remote, AIM, Google Mobile, NYTimes, Myspace Mobile.
Users can download applications directly from new IPhones or through iTunes.
The special version for IPhone was launched recently. This is a very nice online web client for poplular instant messanger Google Talk. The link is
Chat with your Google Talk contacts in real time. Send and receive instant messages in chat sessions with your contacts. Move easily between multiple open chats.
View and search for your Google Talk contacts. See the availability and status message of your contacts and change your own status on the go.
Go off the record if you don't want to store your chats. Off the record chats are not stored on Gmail.
These two libraries that are needed for Java on IPhone were updated recently. Downloads are avaliable through Cydia Installer.
Jocstrap is a bridge between Java and Objective-C. UICaboodle is a JocStrap extenstion for the IPhone. Both are needed to write Java applications for IPhone.
There was an application called Apollo IM. It worked, but didn't work good - it hanged, dropeed connections, exited for no reason. Later there was MobileChat, which version 2.23-2 was much better than Apollo. It did work. It leasе I used it with ICQ many times. However it didn't have history and there were some problems with offline cyrillic messages.
Now there is
There were many visitors to Java4IPhone site recently. This is great! I like the idea, that this site is useful. Most visitors are from the US and Russia (since there are 2 languages supported). But I see quite a lot of interest from all over the world: Europe, China, India, even Kuwait and Maldives
Stay tuned and have fun.
This is another simple Java GUI application for the IPhone/IPod from
This application can be installed through Installer. Just add the repository http://javaflavor.cocolog-nifty.com/apptapp/. The application can be found in Java section and is called JavaSysInfo. Or just download it here: javasysinfo-092.zip. The package includes compiled class files, source java files and runnable script with an icon. Here are the sources: JavaSysInfo and JavaSysInfoController.
Note that JocStrap applications, including JavaSysInfo, currently require JocStrap, UICaboodle, JamVM, GNU Classpath, GNU Classpath Tools, Apache APR, libffi and BSD Subsystem. In most cases all this was installed during Java on IPhone installation.
JamVM - Java Virtual Mashine for IPhone, has been updated. New version 1.5.1b2-17 is avaliable through Cydia Installer.
During Java instalation there was sample programm installed. It is called HelloJava. It is a bit more complicated than basic console HelloWorld-type application, that we tried to compile and run during this tutorial. HelloJava uses gui and SQLite. It uses several classes, that are bridges to IPhone's functionality (GUI, sound, SQL, etc). But all that it does is it reads contacts' first and last names from IPhone's database (throught SQL select statement) and shows them on the screen in GUI mode. It also produses simple sound in the end.
Here is a screenshot of the icon and application itself:
The application consists of several files:
This is a tutorial, that shows step by step how to use installed Java on the IPhone. Just in case you do not have Java installed on your IPhone there is a tutorial how to do it.
Step 1: Create simple Java application, compile and run.
This is a tutorial, that shows step by step how to install Java on the IPhone.
First of all I'd like to say we all want to use legal IPhones and operators. So everything written below is for testing purposes only . Hopefully this technology will be avaliable on all IPhones sold worldwide. You also might need to recover your IPhone, so make sure you backed up all your data. I personally did everything without any problems and needs to recover. Everything you do is your responsibility, etc...
So let's start, because it's worth it! It's just one evening and you will be able to create your personal Java application, compile and run it on the IPhone, and amaze all your friends .
There are two steps:
With this tutorial you will be able to install Java on the IPhone, compile and run simple Java applications using IPhone.
I decided to split this tutorial into two different ones. So here they are:
Have fun and leave comments.
The most interesting Hardware part is a GPS receiver and a camera for video conferencing.
On a software level, Apple describes addition of a text messaging (chat), in-line multimedia content (Quicktime and Flash) in the Safari browser. Further welcome additions described in the publication would include a dedicated blogging client, Java software downloads, MMS picture and video messaging, support for voice-activated commands, audio capture, video conferencing and more.
“Examples of other applications 136 that may be stored in memory 102 include other word processing applications, JAVA-enabled applications, encryption, digital rights management, voice recognition, and voice replication. ”
It sounds like Apple wants Java to be on the IPhone
JamVM is a new Java Virtual Machine which conforms to the JVM specification version 2 (blue book). In comparison to most other VM's (free and commercial) it is extremely small, with a stripped executable on PowerPC of only ~200K, and Intel 180K. However, unlike other small VMs (e.g. KVM) it is designed to support the full specification, and includes support for object finalisation, Soft/Weak/Phantom References, class-unloading, the Java Native Interface (JNI) and the Reflection API.JamVM currently only includes an interpreter (keeps it small). However, the interpreter is highly optimised, and performance is on par with a simple JIT. As most of the code is written in C it is easy to port to new architectures.
Here are some extracts from
"To show Java's prominence in multimedia, rock icon Neil Young made an appearance onstage to promote his video and music catalog offering based on Java and Blu-ray technology. A Sun official also briefly commented on Sun's predicament in trying to put Java on the Apple iPhone, leaving the ball in Apple's court to help make that happen."
"During the post-keynote press conference, Green gave a progress report on Sun's ongoing quest to put Java on the iPhone, something that Apple has not publicly, at least, supported.
Sun, Green said, is well along its way in creating the technology to enable Java to run on the phone, Green said. But he deferred to Apple, which governs which platforms can be distributed with the iPhone. It is Apple's right to decide this, Schwartz added."
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