In which condition is TextWatcher used?
In which condition is TextWatcher used?
EditText uses TextWatcher interface to watch change made over EditText. For doing this, EditText calls the addTextChangedListener() method.
What is auto-complete text view?
An editable text view that shows completion suggestions automatically while the user is typing. The list of suggestions is displayed in a drop down menu from which the user can choose an item to replace the content of the edit box with.
How do I create an autocomplete text view field in XML?
In android, we can create an AutoCompleteTextView control in two ways either manually in an XML file or create it in the Activity file programmatically. First we create a new project by following the below steps: Click on File, then New => New Project. After that include the Kotlin support and click on next.
How do you get the ID of the selected item of the AutoCompleteTextView in Android?
Just call your adapter. getItem(position) and you will get the output you want. For example skillLevelAdapter. getItem(position).
How do you implement TextWatcher in Kotlin?
This example demonstrates how to use the TextWatcher class in kotlin. Step 1 − Create a new project in Android Studio, go to File ⇒New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main.
What can Adapter be used for?
Adapter
| ArrayAdapter | You can use this adapter to provide views for an AdapterView , Returns a view for each object in a collection of data objects you provide, and can be used with list-based user interface widgets such as ListView or Spinner . |
|---|---|
| CursorAdapter | Adapter that exposes data from a Cursor to a ListView widget. |
How do I use single TextWatcher for multiple editTexts?
Create an ArrayList of EditTexts, and then use a for loop to apply the TextWatcher for all EditTexts, if you have one behavior for all editTexts, then just apply it there, if you specific behaviors for some specific editTexts, then u can use an if statement to select and apply to individual editTexts.
How do I convert string to int Kotlin?
Kotlin/Android – Convert String to Int, Long, Float, Double
- toInt() to parse the string to an Int , NumberFormatException is thrown if the string is not a valid representation of an Integer.
- toIntOrNull() to convert the string to an Int , return a null if the string is not a valid representation of an Integer.
