问题
I'm writing an app that can play flash on android, but I can't simulate ESC key, since a lot of flash games need ESC key to return to the main menu, without this key the app I made will be useless. So who could tell me how to simulate this? Can I just send a keycode? but I don't know the keycode too...
回答1:
You want to have a look at the KeyEvent property. There is a constant value for KEYCODE_ESCAPE.
You can learn more about how to implement it here
回答2:
Most games use the BACK key for this.... See http://developer.android.com/sdk/android-2.0.html
Note that, while there is a key event ESCAPE (as Ezeh points out), that is only available at API level 11 (which is Android 3.0 and above - http://developer.android.com/guide/appendix/api-levels.html), which is not very widely available in devices yet.
来源：https://stackoverflow.com/questions/6530697/how-to-simulate-pcs-esc-key-on-android