Displaying an AlertDialog

An alert dialog creates a popup message with options like "Yes" or "No" and allows the developer to give functions to each option. In this tutorial you will learn how to create your own AlertDialog.

• First you must declare the AlertDialog

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

• If you would like to give your AlertDialog box a title include the code alertDialog.setTitle("Your Title");
• Give the box a message by setting the text to alertDialog.setMessage("Your message");
• Now create the buttons will be displayed and add any functions.

alertDialog.setButton("Yes", new DialogInterface.OnClickListener(){


     public void onClick(DialogInterface dialog, int which) { 

           //add functions here


            }

      });

• If you're creating a second button use the same code but replace .setButton with .setButton2.

• If you would like you can set an icon for your AlertDialog with the code alertDialog.setIcon(R.drawable.youricon);
• Finally in order to show your dialog, use the code alertDialog.show();

alertDialog.setButton("Yes", new DialogInterface.OnClickListener() {


     public void onClick(DialogInterface dialog, int which) { 

           //add functions here


            }

      });
      alertDialog.show();