Android details disable return key

In today's project, we need to use the return key in my Actionbar, which is the last time I recorded my father's activity.

Android.support.PARENT_ACTIVITY

For details, please visit: http://blog.csdn.net/yiding_he/article/details/38410151

(Invalidateoptionsmenu of the Android details menu)

Today's problem is disabling the system's return key, disabling the home key should be permission, and disabling the user experience is not enough. So the way we prevent users from suddenly interrupting in the project is to disable the system return key.

The specific wording is as follows:

public boolean onKeyDown (int keycode, keyevent event) {if (keycode = = Keyevent.keycode_back) {return true;} return false;}

The onkeydown method of the replication system can be. You can also disable other keys, either with a switch or if.