Jak mogę dodać trzeci przycisk do okna dialogowego alertów Androida?

API mówi, że okno dialogowe alertów może mieć jeden, dwa lub trzy przyciski, ale zestaw SDK zezwala tylko na przycisk dodatni i ujemny. Jak więc mogę dodać trzeci przycisk?

Ten fragment kodu powinien pomóc w wyjaśnieniu trzech różnych przycisków, których możesz użyć:

    alertDialog = new AlertDialog.Builder(this).create();

    alertDialog.setTitle("Dialog Button");

    alertDialog.setMessage("This is a three-button dialog!");

    alertDialog.setButton(AlertDialog.BUTTON_POSITIVE, "Button 1 Text", new DialogInterface.OnClickListener() {

      public void onClick(DialogInterface dialog, int id) {

        //...

    } }); 

    alertDialog.setButton(AlertDialog.BUTTON_NEGATIVE, "Button 2 Text", new DialogInterface.OnClickListener() {

      public void onClick(DialogInterface dialog, int id) {

        //...

    }}); 

    alertDialog.setButton(AlertDialog.BUTTON_NEUTRAL, "Button 3 Text", new DialogInterface.OnClickListener() {

      public void onClick(DialogInterface dialog, int id) {

        //...

    }});

Podczas tworzenia okna dialogowego dodaj do konstruktora coś takiego:

builder = new AlertDialog.Builder(context);
builder.setTitle("Test");
builder.setIcon(R.drawable.icon);
builder.setMessage("test");
builder.setPositiveButton("Call Now",
        new DialogInterface.OnClickListener()
        {
            public void onClick(DialogInterface dialog, int id)
            {
                dialog.cancel();
            }
        });

builder.setNeutralButton("Setup",
        new DialogInterface.OnClickListener()
        {
            public void onClick(DialogInterface dialog, int id)
            {
                context.startActivity(new Intent(context, Setup.class));
                //dialog.cancel();
            }
        });

builder.setNegativeButton("Exit",
        new DialogInterface.OnClickListener()
        {
            public void onClick(DialogInterface dialog, int id)
            {
                dialog.cancel();
            }
        });
builder.create().show();

Dodaj dowolną liczbę przycisków bez xml:

    AlertDialog.Builder builder = new AlertDialog.Builder(context);
    builder.setTitle("Title");
    builder.setItems(new CharSequence[]
            {"button 1", "button 2", "button 3", "button 4"},
            new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int which) {
                    // The 'which' argument contains the index position
                    // of the selected item
                    switch (which) {
                        case 0:
                            Toast.makeText(context, "clicked 1", 0).show();
                            break;
                        case 1:
                            Toast.makeText(context, "clicked 2", 0).show();
                            break;
                        case 2:
                            Toast.makeText(context, "clicked 3", 0).show();
                            break;
                        case 3:
                            Toast.makeText(context, "clicked 4", 0).show();
                            break;
                    }
                }
            });
    builder.create().show();

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

            // set title
            alertDialogBuilder.setTitle("To Do List");

            // set dialog message
            alertDialogBuilder
                    .setMessage("What do you want?")
                    .setCancelable(false)
                    .setPositiveButton("Delete All", new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int id) {
                            // if this button is clicked, close
                            // current activity




                            dialog.cancel();


                        }
                    }).setNeutralButton("Delete", new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int id) {
                    // if this button is clicked, close
                    // current activity




                    dialog.cancel();

                }
            })
                    .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int id) {
                            // if this button is clicked, just close
                            // the dialog box and do nothing

                            dialog.cancel();
                        }
                    });

            // create alert dialog
            AlertDialog alertDialog = alertDialogBuilder.create();

            // show it
            alertDialog.show();