ABOUT
App Inventor adalah sebuah app builder yang disediakan oleh googlelabs untuk membuat aplikasi yang berjalan pada sistem operasi Android.
Prinsip App Inventor tidak memerlukan coding hanya menggunakan logika karena disini kita bermain block's jadi kita menyusun block's" ini menjadi sebuah program.

Screen Shoot App Inventor

Yang harus kita kuasai
disni hanya 3 menurut saya
- Dasar Pemrograman
- Logika
- Layout

Kelebihan & Kekurangan
Kelebihan App Inventor menurut TS
[+] Praktis
[+] Simple
[+] Tidak memerlukan coding hanya logika dan sistem drag

Kekurangan App Inventor menurut TS
[-] Ada beberapa compenent yang kurang lengkap
[-] Jauh berbeda dengan Eclipse yang lebih leluasa
[-] Adanya credit dari MIT

Guide App Inventor

Versi Online
Versi Offline

System requirements

Computer and operating system

Macintosh (with Intel processor): Mac OS X 10.5 or higher
Windows: Windows XP, Windows Vista, Windows 7
GNU/Linux: Ubuntu 8 or higher, Debian 5 or higher

Browser

Mozilla Firefox 3.6 or higher
Note: If you are using Firefox with the NoScript extension, you'll need to turn the extension off. See the note on the troubleshooting page.
Apple Safari 5.0 or higher
Google Chrome 4.0 or higher
Microsoft Internet Explorer is not supported

Phone or Tablet (or use the on-screen emulator)

Android Operating System 2.3 ("Gingerbread") or higher

App Inventor 2 FAQ
What is App Inventor 2?

App Inventor 2 is the new version of App Inventor available at [url]http://ai2.appinventor.mit.edu.[/url] It is fabulous: its much easier to setup (usually no downloads!) and it provides a much more elegant programming experience. The blocks editor loads immediately (its now in the browser, not a Java app!). If you're a developer or checking out App Inventor for future use, you should absolutely use AI2. However, AI "Classic" (beta.appinventor.mit.edu) will still be available for some months.

Where are my projects?

As of December 3, 2013, the "Create" link on the App Inventor home page links to the new AI2 tool. But the App Inventor projects you've built with the "Classic" system are still available. Just go to http://beta.appinventor.mit.eduto use the "Classic" system and edit your projects.
Can I translate my projects to the new AI2 system?

At this time, there is no tool to translate AI Classic projects into AI2 projects
Should I use AI2 to teach my course this semester?

Even though your teaching materials will need to be changed to some degree, you should make the switch. The experience for your students will be so much better-- once you try AI2 it is hard to go back to the "Classic" version! Its also important to note that the blocks in AI2 are essentially the same, with a few minor exceptions. So you mainly need to change your tutorials/lessons that deal with mechanics, not programming. AppInventor.org and appinventor.mit.edu have been hard at work developing new materials which you can leverage. Check out the AI2 video tutorials on this site as well as the book chapters that have been translated into AI2. MIT has also translated a number of their tutorials. If I were teaching a class, I would definitely use AI2.

How is the setup different in AI2?

The setup is much smoother. If you have an Android device and a normal WiFi connection, you can generally get started within minutes without downloading anything to your computer. If you are using App Inventor in a school/organizations with firewall issues, there is support for using a USB connection and for using an emulator. Checkout these instructions
Are there tutorials and other materials for learning with AI2?

We're working hard here at appinventor.org to update the App Inventor book, all the video tutorials, and the course-in-a-box. Bear with us during this change, but please check out the following:

App Inventor Book chapters
I Have a Dream, text, video-- an introductory soundboard app featuring iconic civil rights leaders.
PaintPot text, video the classic painting app.
Math Blaster-- educational software demonstrating use of dynamic lists and random numbers.
Conceptual Lesson: Properties-- introduction to component properties.
Conceptual Lesson: Event Handlers-- introduction to event handlers.
Conceptual Lesson: Conditionals-- introduction to conditionals.
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Selengkapnya silahkan check DISINI