android – Do not allow the user to return to the login once entered the system


Well, I have an Android app in which I have the following so far: The login screen and a "Welcome" screen, the point is that when the user manages to enter with the correct email and password I take him with an Intent to the screen of "Welcome", but by clicking on the "back" button he can return to the login screen, which I do not want to happen.


Regularly the Login or Splash screens start a MainActivity depending on authentication or certain features after allowing entry to the application.

Therefore by allowing input to MainActivity you finish your previous screen (login or splash) with finish()


Intent intent = new Intent(Login.this, MyActivity.class);
//finaliza Login.
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