How to add message box with OK button

Question

I want to display a message box with an OK button  I used the following code but it results in a compile error with argument   AlertDialog Builder dlgAlert    new AlertDialog Builder this   dlgAlert setMessage  This is an alert with no consequence    dlgAlert setTitle  App Title    dlgAlert setPositiveButton  OK   null   dlgAlert setCancelable true   dlgAlert create   show      How should I go about displaying a message box in Android

User · Answer

The code compiles ok for me  May be you have forgotten to add the import   import android app AlertDialog    Anyway  you have a good tutorial here

User · Answer

Override protected Dialog onCreateDialog int id        switch id            case 0                               return new AlertDialog Builder this           setMessage  text here            setPositiveButton  OK   new DialogInterface OnClickListener                                              Override             public void onClick DialogInterface arg0  int arg1                                 try                                       end try                 catch Exception e                                        Toast makeText getBaseContext         Toast LENGTH LONG  show                       end catch                end onClick              create                           end case      end switch     return null     end onCreateDialog

User · Answer

Since in your situation you only want to notify the user with a short and simple message  a Toast would make for a better user experience   Toast makeText getApplicationContext     Data saved   Toast LENGTH LONG  show         Update  A Snackbar is recommended now instead of a Toast for Material Design apps    If you have a more lengthy message that you want to give the reader time to read and understand  then you should use a DialogFragment   The documentation currently recommends wrapping your AlertDialog in a fragment rather than calling it directly     Make a class that extends DialogFragment   public class MyDialogFragment extends DialogFragment        Override     public Dialog onCreateDialog Bundle savedInstanceState                Use the Builder class for convenient dialog construction         AlertDialog Builder builder   new AlertDialog Builder getActivity             builder setTitle  App Title            builder setMessage  This is an alert with no consequence            builder setPositiveButton  OK   new DialogInterface OnClickListener                 public void onClick DialogInterface dialog  int id                       You don t have to do anything here if you just                     want it dismissed when clicked                                       Create the AlertDialog object and return it         return builder create              Then call it when you need it in your activity   DialogFragment dialog   new MyDialogFragment    dialog show getSupportFragmentManager     MyDialogFragmentTag      See also   Android Alert Dialog with one  two  and three buttons

User · Answer

I think there may be problem that you haven t added click listener for ok positive button   dlgAlert setPositiveButton  Ok       new DialogInterface OnClickListener             public void onClick DialogInterface dialog  int which                dismiss the dialog

[android] How to add message box with 'OK' button?

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