How to implement confirmation dialog for switchpreference in Android?

Question

I have switchpreference, when user change value I should show confirmation dialog and change value only if user click positive button, if user clicks negative value should not be changed.

No, it doesn't work. Because code after show() is executing and if I click negative button, switchpreference should be changed programmatically and after that onpreferencechange will be called — Pein
– Pein, Commented Jun 27, 2016 at 8:57

Dmitry K · Accepted Answer · 2021-10-11 14:23:20Z

1

Set OnPreferenceChangeListener of your preference and return false to suppress modification. Show a dialog and manually change your preference value from there.

val myPreference = preferenceScreen.findPreference<SwitchPreference>("my_pref_key")!!
myPreference.setOnPreferenceChangeListener { _, _ ->
        MaterialAlertDialogBuilder(context)/* ... */.setPositiveButton("Yes") { _, _ ->
                myPreference.isChecked = !myPreference.isChecked
        }.show()
        false // skip the default behavior 
}

answered Oct 11, 2021 at 14:23

Dmitry K

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Comments

Uma Achanta · Accepted Answer · 2016-06-27 09:10:33Z

0

I think you can use alert dialog for confirmation with positive and negative buttons.

change value in positive button and leave code (do nothing) in negative button

  new AlertDialog.Builder(this).
                                        setTitle("title").setIcon(R.drawable.ic_launcher)
                                        .setMessage(getResources().getString(R.string.message))
                                        .setPositiveButton("Yes", new DialogInterface.OnClickListener()
                                        {
                                            public void onClick(DialogInterface dialog, int which) {

//change value here
                                            }
                                        }) .setNegativeButton("No", new DialogInterface.OnClickListener()
                                {
                                    public void onClick(DialogInterface dialog, int which) {
                                        // do nothing
                                    }
                                }).show();

answered Jun 27, 2016 at 9:10

Uma Achanta

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1 Comment

Pein Over a year ago

I tried it, but in negative click we should revert value, because is was changed when onpreferenchechange called. As a result, in on negative click we should reveret changes and onpreferencehcnage will be called

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