How to open AlertDialog from preference screen?

Question

I am developing Application in android I want to show AlertDialog if user check the checkboxpreference from preference screen. so how i can do that..?

It would help significantly if you let us know what technology and platform you are using. Please always provide as much context as you practically can. — Iain Ballard, Mar 28 '11 at 09:28
possible duplicate of [How to open AlertDialog from preference screen?](http://stackoverflow.com/questions/5457944/how-to-open-alertdialog-from-preference-screen) — Roman Nurik, Apr 02 '11 at 17:19

score 16 · Answer 1 · edited May 21 '11 at 04:22

16

Try this one ...

public class MyPreferences extends PreferenceActivity implements OnSharedPreferenceChangeListener {

      public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
                final Preference preference) {

         if(preference.equals("MyCheckboxPreferenceKey")) {

             AlertDialog.Builder builder = new AlertDialog.Builder(this);

         builder.setMessage("Your Message");

         builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {

           public void onClick(DialogInterface dialog, int id) {

             //action on dialog close
           }

         });

         builder.show();

      }


}

edited May 21 '11 at 04:22

Michael Mrozek

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answered Apr 19 '11 at 07:09

Vaibhav Jani

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1

@Dharmendra Actually, this requires a return statement and will require the main part of the method below to be added to cover "unimplemented methods" – Abandoned Cart Jul 30 '12 at 16:56
I had up-voted this along the way , but coming back to it .. I am having an issue where method onPreferenceTreeClick() is not getting called. I found this post for current solution that helped me get this logic working http://stackoverflow.com/a/12325780/2162226 – Gene Bo May 06 '15 at 19:35

score 1 · Accepted Answer · answered Mar 28 '11 at 09:58

Override onSharedPreferenceChanged in your PreferenceActivity class:

public class MyPreferences extends PreferenceActivity implements OnSharedPreferenceChangeListener {
    ...
    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
        if (key.equals("MyCheckboxPreferenceKey")) {
            //Show your AlertDialog here!
        }
    }

score 0 · Answer 3 · answered Nov 24 '13 at 19:50

public class MyPreferences extends PreferenceActivity{
 ...
//getting current context for builder
AlertDialog.Builder build = new AlertDialog.Builder(this);
//setting some title text
build.setTitle("SomeTitle");
//setting radiobuttons list
build.setSingleChoiceItems(new String[]{"One", "Two"}, 0, new OnClickListener() {                               

            @Override
            public void onClick(DialogInterface dialog, int which) {
                //Some behavior here    
            }
        });
        build.setNegativeButton("Cancel", new OnClickListener() {

            @Override
            public void onClick(DialogInterface dialog, int which) {
                //Might be empty
            }
        });
                    //creating dialog and showing
        AlertDialog dialog = build.create();
        dialog.show();
}

That's all.

How to open AlertDialog from preference screen?

3 Answers3

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