Is there a way to develop android applications on the device?

Is there a way to develop android applications on the devices themselves? If I want to write some code for a linux machine I usually do that on a linux machine. It would be nice to develop android applications 开发者_Go百科on the device (say a Nexus S) (type the code) and then build, compile and test them on the device themselves. Can this be done?

You mention testing 'on the device themselves'. Practically speaking, the emulators supplied with the SDK function in exactly the same way as the physical devices. It also means that you essentially have access to all of the devices the emulator supports, not just the phone/tablet you own or have access to.

As for a device-based IDE (if that is what you're after), I haven't seen anything beyond a couple of WP7 proof-of-concepts.

There is an IDE to develop Android apps in Android devices recently launched: AIDE - Android IDE - Java, C++