android studio update as user enters text edittext

Android TextInputLayout Example Project Structure We’ll look at each of these features and implement them in an Android Studio Project.

Customising the Text Appearance for floating hint, error label, character counter.

Alarming the user when the Character Count Exceeds its limit.

Enabling/Disabling floating hint animation.

Some of the features that we’ll be covering in this tutorial are : TextInputLayout has much more to offer than just displaying floating hint labels. Please switch to using that class instead. Furthermore, using an EditText instead would shoot us a warning : EditText added is not a TextInputEditText. Reason? TextInputEditText is a sub-class of EditText and is designed for use as a child of TextInputLayout. Rule of Thumb : TextInputLayout should wrap TextInputEditText instead of the normal EditText. The primary use of a TextInputLayout is to act as a wrapper for EditText(or its descendant) and enable floating hint animations. Android TextInputLayoutĪndroid TexInputLayout extends LinearLayout. Android TextInputLayout is a design component that comes with the Material Design Support Library. Import this tutorial, we’ll be looking in depth at the features that Android TextInputLayout provides us. Below is the working example of the activity class and the text watcher. To apply this text watcher class we call the addTextChangedListener() method of the EditText object of the currency input and pass an instance of MoneyTextWatcher.

In the MoneyTextWatcher class we implement the afterTextChanged(EditText s) method, in this method the currency formatting takes place by adding currency symbol before the digit on numbers.

To format the input value we will create a text watcher class called MoneyTextWatcher, this class implements of the interface.

The following Android code snippet shows you how to customize the input value format of an EditText component for accepting currency number.

Android studio update as user enters text edittext