> For the complete documentation index, see [llms.txt](https://docs.cotter.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cotter.app/sdk-reference/android/sign-in-with-device/customization.md).

# Customization

## Getting started

To start customizing the UI, you can copy and paste the code below and edit the text as you like.

{% hint style="danger" %}
Make sure to do `Cotter.init` **before** setting any of the UI customization
{% endhint %}

## Approve Authentication Request Prompt

![ApproveRequest page](/files/-M19xPSu0WBH_aViSHhb)

To customize this page, do the following:

```java
Cotter.strings.setApproveRequestStrings(Strings.Title, "ARE you trying to sign in?");
Cotter.strings.setApproveRequestStrings(Strings.Subtitle, "SOMEONE is trying to sign in to your account from another device.");
Cotter.strings.setApproveRequestStrings(Strings.ButtonYes, "YES");
Cotter.strings.setApproveRequestStrings(Strings.ButtonNo, "NO");
// To update the logo, add an image in your /res/drawable folder
Cotter.colors.setLogo(R.drawable.logo);
```

## �Request Authentication Prompt

![RequestAuth prompt](/files/-M1AHeV_e98wQCNw1Rfr)

To customize this prompt, do the following:

```java
Cotter.strings.setRequestAuthStrings(Strings.DialogTitle, "APPROVE this login from your phone");
Cotter.strings.setRequestAuthStrings(Strings.DialogSubtitle, "A NOTIFICATION is sent to your trusted device to confirm it's you.");
Cotter.strings.setRequestAuthErrorStrings(Strings.DialogTitle, "SOMETHING went wrong");
Cotter.strings.setRequestAuthErrorStrings(Strings.DialogSubtitle, "WE'RE UNABLE to confirm that it's you. Please try again.");
```

## �QR Code Scanner Dialog

![SuccessSheet dialog](/files/-M1AIlGR0xkR5gqKkJm3)

To customize the text in this dialog, do the following:

```java
Cotter.strings.setSuccessSheetStrings(Strings.DialogTitle, "SUCCESS Registering New Device");
Cotter.strings.setSuccessSheetStrings(Strings.DialogSubtitle, "YOU CAN now use your new device to access your account without approval.");
Cotter.strings.setSuccessSheetErrorStrings(Strings.DialogTitle, "UNABLE to Register New Device");
Cotter.strings.setSuccessSheetErrorStrings(Strings.DialogSubtitle, "PLEASE try again.");
```

## Show �QR Code Page

![QRCodeShow page](/files/-M1AJdFW8XiJKAyLFI_t)

To update this page, do the following:

```java
Cotter.strings.setQRCodeShowStrings(Strings.Title, "REGISTER this Device");
Cotter.strings.setQRCodeShowStrings(Strings.Subtitle, "PLEASE scan this QR Code from a Trusted Device.");
Cotter.strings.setQRCodeShowErrorStrings(Strings.Title, "SOMETHING went wrong");
Cotter.strings.setQRCodeShowErrorStrings(Strings.Subtitle, "THE REQUEST timed out. Please try again.");
```

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