Butterknife: How to Use ButterKnife.bind() in a non activity class

[kaustav07]

I am using a class that implements TextWatcher to validate my fields in Sign up page and i want to use butterknife to bind views. How can i do it. I have passed the instance of my Activity class to my TextWatcher implementation but after that also it doesn't bind the views..What can i do?

And the call from Activity

[JakeWharton]

Use the two argument version which separates the instance being bound (this) from the source of the views (activity).

[kaustav07]

In my code how to do that?Can you guide please?

[egor-n]

Call ButterKnife.bind(this, this.activity) instead of ButterKnife.bind(this.activity) in the SignUpValidation. The first argument is the target for your bindings, the second argument is the source of the bindings.

[kaustav07]

It worked fine..Thank you very much..

[eddieberklee]

Sorry for resurfacing this old thread, but in the new version of ButterKnife, there is now the ability to bind resources, such as with @BindColor() - is this possible to do in a custom view as long as I have a context object. I know I can pass along my activity reference, but I'd just rather not add an unnecessary extra parameter.

[JakeWharton]

Yes. Reference the generated class directly and it has a constructor that
accepts only a Context.

On Wed, Feb 22, 2017, 8:38 PM Edward Lee [e-mail] wrote:

Sorry for resurfacing this old thread, but in the new version of
ButterKnife, there is now the ability to bind resources, such as with
@BindColor() - is this possible to do in a custom view as long as I have a
context object. I know I can pass along my activity reference, but I'd just
rather not add an unnecessary extra parameter.

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[eddieberklee]

Hi @JakeWharton thanks for the quick reply. I'm not sure what you mean by the generated class. Which class should I be looking at because ButterKnife.bind doesn't have a signature that accepts only a Context:

[JakeWharton]

SideScroller_ViewBinder

On Wed, Feb 22, 2017 at 11:28 PM Edward Lee [e-mail]
wrote:

Hi @JakeWharton https://github.com/JakeWharton thanks for the quick
reply. I'm not sure what you mean by the generated class. Which class
should I be looking at because ButterKnife.bind doesn't have a signature
that accepts only a Context:

[image: screenshot 2017-02-22 20 27 05]
https://cloud.githubusercontent.com/assets/1836653/23244923/6ddb8b48-f93d-11e6-963e-68242aadf5ef.png

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[eddieberklee]

Oh shit. Thanks for making this library and helping me make my code a little cleaner.