Android Tutorial - Create Keyboard For Input PIN

You arrived at this page, must be looking for a easy tutorial for create a input PIN board. Right? hehe don't take seriously.

In internet you can find much tutorial how to create a input PIN board, you can follow one of them. In this tutorial, i also try to share about how to create a board for input PIN. Perhaps this tutorial the code is not efficient, but at least, i create it structurally, with you people read this article is easy to understand.

Final Result

Let start the coding ....

1. In directory res/drawable


Download this icon DELETE and EXIT or you can use your own. After downloaded place those icon in drawable directory.

Create new xml file, give it name as non_selected_item.xml. This file used as background color of indicator digit (when no filled a digit). Paste the following code :

Create new xml file, give it name as selected_item.xml. This file used as background color of indicator digit (when filled by a digit). Paste the following code :

Create new xml file, give it name as press_button_white_transparant.xml. This file used as background when the digit number is pressed. Paste the following code :

2. In directory res/values

colors.xml

dimens.xml

styles.xml

strings.xml

3. In directory res/layout

There is one layout that we use to create a keyboard. In this case i use activity_main.xml as the layout.  Paste the following code :

4. In your main package or in your java class, paste the following code. In this project i hosting the code in MainActivity.java

In every click on the key number, do like the following code :

mFrameNumber1.setOnClickListener(new View.OnClickListener() {
    @Override    public void onClick(View v) {
        if(mListPin.size() <=3){
            mListPin.add("1");
            conditioningPinButton();
        }else{

        }

    }
});

On code above, when number 1 is clicked/pressed, we'll save digit 1 to the list. If the list size less that 3, we can still add number to the list.

Full code of MainActivity.java :

That's all about the steps how to create keyboard for input PIN. Watch the following video for the final result.