After designing the user interface it will look like 

Edit the names of the buttons as Button 1, Button 2, Button 3 respectively.

Right click on the button to Edit Text.

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After that we need to start java coding.

We need to register these three buttons and implement the interface and add unimplemented methods


After that inside the onclick method we need to write the switch condition.


This code is similar to that of switch case examples in c programs ,

the v.getId() will give you the id of the clicked button.

The other codes are similar to the previous posts.

The output will be:

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Working with multiple buttons in android will be useful in the upcoming examples so practice this example well and try your own ideas and practice that too.

Code of onClick() method:

public void onClick(View v)
    {
        switch (v.getId())
        {
        case R.id.button1:
           
            Toast.makeText(getApplicationContext(), "Button 1 is clicked", Toast.LENGTH_LONG).show();
           
            break;
           
        case R.id.button2:
           
            Toast.makeText(getApplicationContext(), "Button 2 is clicked", Toast.LENGTH_LONG).show();
           
            break;
           
         case R.id.button3:
   
            Toast.makeText(getApplicationContext(), "Button 3 is clicked", Toast.LENGTH_LONG).show();
   
            break;

        default:
            break;
        }
    }