![]() ![]() initialize the adapter tDropDownViewResource(android.R.layout. The Android Spinner control is a mobile version of the standard dropdown list used on a. In the default state, a spinner shows its. ![]() ![]() When item is selected just get the element from the adapter and save the data you want. The list of strings or the icons assigned to the spinner adapter. Now Secondly populate values in spinner There are mainly two ways to populate values in spinner. You can use ArrayAdapter to populate the Spinner. Spinner in android is used to to show the data in dropdown view. I'm getting error: Caused by: : Attempt to invoke virtual method 'long ()' on a null object referenceįindViewById is not listing my spinner in R.id. <- id to refer this spinner from JAVA-> android:layoutwidth'matchparent' android:layoutheight'wrapcontent'> . How to set spinner clicked items string array position in number into TextView like one, two, three using getSelectedItemPosition () method.![]() Yeah,KunjiDaniel you can simply check like if spinner value is 2 and textview value is 5, if both not null then multiply and show in another textview. Then we need to declare an array-list in order to load values in spinner view. you just need to set Onitemselected listener on spinner depending upon selected item's index you can change textview's value.Hope it will help you. In the beginnings, I'm learning to get an item selected in list from Spinner in display in text view after clicking on a button. This is a simple example to load spinner view by an array-list. I started reading book head first Android. ![]()
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