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Android Alert Dialog with Checkboxes example



Lets see how we can add Checkboxes to an Alert Dialog box, we will create a multiple checkboxes that can be selected with a OK and Cancel button with the help of setMultiChoiceItems listener on AlertDialog.Builder object.

Alert Dialog with CheckBoxes Example


    Steps 1 : Create a Dialog object

    Step 2 : Create an String Array to hold Items for Checkboxes and a ArrayList to hold items selected

    Step 3 : Create AlertDialog.Builder object

    Step 4 : Set the Title for AlertDialog

    Step 5 : Now on builder object call setMultiChoiceItems

    Step 6 : Set setPositiveButton and setNegativeButton button actions.

    Step 7 : set dialog = builder.create(); and to display it call dialog.show();



import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;

import java.util.ArrayList;


public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Dialog dialog;

        final String[] items = {" PHP", " JAVA", " JSON", " C#", " Objective-C"};


        final ArrayList itemsSelected = new ArrayList();

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

        builder.setTitle("Select Languages you know : ");

        builder.setMultiChoiceItems(items, null,
                new DialogInterface.OnMultiChoiceClickListener() {


                    @Override
                    public void onClick(DialogInterface dialog, int selectedItemId,
                                        boolean isSelected) {
                        if (isSelected) {

                            itemsSelected.add(selectedItemId);
                        } else if (itemsSelected.contains(selectedItemId)) {

                            itemsSelected.remove(Integer.valueOf(selectedItemId));
                        }
                    }
                })
                .setPositiveButton("Done!", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int id) {

                        //Your logic when OK button is clicked
                    }
                })
                .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int id) {


                    }
                });

        dialog = builder.create();

        dialog.show();


    }


}










Tags : #Android #CheckBoxes #AlertDialog #Tutorial #Example #AndroidStudio #Eclipse #ADT #Builder #setMultiChoiceItems



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