AutoCompleteTextView in Android (Kotlin) || there are two ways to configure the values
AutoCompleteTextView :
ACTV is one of the UI component in Android which is used to provide an auto
completion support to the user it is a subtype of EditText component.
xml :
AutoCompleteTextView
android:id=“@+id/ACTV”
…………………. /
Kotlin :
AutoCompleteTextView actv=(AutoCompleteTextView) findViewById(R.id.ACTV);//Not Required in kotlin
To provide auto completion support we have to configure the values, in android there are 2
ways to configure the values
XML
Kotlin
XML :
res -- values -- strings.xml
string-array name=“array_name”
item value1 /item
item value2 /item
…………….
/string-array
use the following code in Kotlin to get these configured values.
var values=resources.getStringArray(R.array.array_name)
Kotlin :
var values=arrayOf(“value1”,”value2”,….)
(or)
var list = ArrayList String ()
list.add(value1);
list.add(value2);
list.add(value3);
…………..
to present the values we have to create an adapter, in android there are 3 types of adapters
Array Adapter
Custom Adapter
Cursor Adapter
ArrayAdapter :
syntax :
var adapter= ArrayAdapter String
(context, xml_file,values);
ACTV.setAdapter(adapter);
ACTV.setThreshold(int);
code sample :
String[] values=getResources().getStringArray(R.array.countries);
ArrayAdapter String adapter=ArrayAdapter String(this@MainActivity,android.R.layout.simple_expandable_list_item_1,list)
AutoCompleteTextView ACTV=(AutoCompleteTextView)findViewById(R.id.ACTV);//This not required in kotlin
ACTV.setAdapter(adapter)
ACTV.threshold=1
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