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This article mainly shows you "Android how to customize the CAPTCHA input box", the content is easy to understand, clear, hope to help you solve the doubt, the following let the editor lead you to study and learn "Android how to customize the CAPTCHA input box" this article.

Demand

1. You can customize the number and style of input boxes

2. Support long press paste or clipboard content automatic filling (paste continuity)

The second point is the most important. It is precisely that other people do not have this point and force themselves to get one.

Principle

Roughly Edittext + n * TextView, then set the edittext font and background color to transparent, hide the cursor

Edittext: monitor edittext assign a value to the corresponding TextView every time you enter a character, and then clear yourself

Underline: add View under TextView

Cursor: the focus cursor for each TextView here actually sets the ValueAnimator for the View

Paste: paste pop-up window is a custom PopupWindow

There are detailed comments on the source code, so I won't explain them all here.

Github

Https://github.com/WShaobin/VerificationCodeInputView

Gradle

Step 1. Add it in your root build.gradle at the end of repositories:

Allprojects {repositories {... Maven {url 'https://jitpack.io'}

Step 2. Add the dependency:

Dependencies {implementation 'com.github.WShaobin:VerificationCodeInputView:1.0.2'}

How to use

In layout

In Java Code

VerificationCodeInputView view = findViewById (R.id.vciv_code); view.setOnInputListener (new VerificationCodeInputView.OnInputListener () {@ Override public void onComplete (String code) {Toast.makeText (MainActivity.this, code, Toast.LENGTH_SHORT). Show ();} @ Override public void onInput () {}}); / / clear CAPTCHA view.clearCode ()

Attributes

VCInputType

Input box background color support type

1. @ drawable/xxx

2. @ color/xxx

3 、 # xxxxxx

The above is all the contents of the article "how to customize the CAPTCHA input box for Android". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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