Native Shopify Mobile App with 20 new features
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EditText uses TextWatcher interface to watch change made over EditText. For doing this, EditText calls the addTextChangedListener() method.
In this way, we can check all change while modify text in EditText in android. But if there is need to check multiple EditText in single screen, then we have to add
multiple TextWatcher for every EditText and manage a lot of lines. So we can make dynamic TextWatcher, that solve our problems.
In DynamicTextWatcher, we have to extends TextWatcher class and override its methods.
But this implementation still requires you to pass empty lambda for the function that you didn’t use.
We can again leverage kotlin feature by making the parameter as optional parameter. The only thing we need to do is giving the parameters default value.
Thus, we can use it for any edit_text like this:-
In this way, we can rectify a lot of boilerplate code from our class and it will also look pretty.
We can do more centralize code and extract the onChanged into a single val resulting the final code to become like this:-
For more detail, you can reference:-
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Very good company, we did get app extension for Magento 2 website. The support was very good they help us through the process. Webkul team is very supportive, I would recommend them.
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