java - Android closes on login screen when backspace pressed on login activity -

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There is a login page on which I am working, where users enter their credentials, and log in .

For any reason, if the user presses the backspace key while typing the password, the application stops back on the main screen of the phone

The only lockout result shown on the press is: / P> 

  4332-4332 / com.etc.etc W / IInputConnectionWrapper: showStatusIcon on passive input connection

I was looking around but there is no fix for this Could get it - maybe I forgot something.

Thank you!

Edit:

I have received this code which was responsible for this. I do not know what the developer remembered, but after commenting there were no other issues. 

  Inveraride Public Boolean (Int kikod, Key Event Event) @KeyDown {Finnish (); Return super.Condondon (keycode, event); }   
 
 
 The back button, by default, terminates an activity if you Override the press function if you do not want to finish:  
  Override public null at @BackPressed () {// whatever you want or do nothing}

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