how set selected spinner item in android studio?

how set selected spinner item in android studio?

By : Saber Kowsari
Date : November 29 2020, 09:01 AM
wish of those help Both country and countrylist ArrayList size is same, easy way to set selected item in Spinner is: get index of countries_id from country and pass it to Spinner setSelection method.like:
code :
int defaultSelectedIndex=0;
for (int i = 0; i < regjsonarray.length(); i++) {
   // your code here
    String strCountrie_Id=regjsonobject.optString("countries_id");

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Android spinner : perform item selected and and compare it to another spinner

Android spinner : perform item selected and and compare it to another spinner

By : David Goularte
Date : March 29 2020, 07:55 AM
Hope this helps First you have to retrieve the text from the spinner correctly, did you do that? If not, this is how to do it:
Assuming you called your spinner spinner.
code :
Spinner mySpinner = (Spinner)findViewById(R.id.spinner);
String txtFromSpinner = mySpinner.getSelectedItem().toString();
if (txtFromSpinner.equals("bla bla bla") && txtFromSpinner2.equals("ho ho ho")
   Log.E("Well done sir.","Comparison complete!");
Android: Trying to create a spinner with items based on another spinner's item selected

Android: Trying to create a spinner with items based on another spinner's item selected

By : Sourav Biswas Shavon
Date : March 29 2020, 07:55 AM
Any of those help I have a spinner with items mg, g, micrograms, kg. If I select mg, I want the 2nd spinner updated with mg and g items only. But when the use the if logic I get " The method createFromResource(Context, int, int) in the type ArrayAdapter is not applicable for the argume" error. , Your problem is on this line:
code :
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.units, android.R.layout.simple_spinner_item);
Android Spinner will not launch OnItemSelected and current selected item is not displayed in Spinner

Android Spinner will not launch OnItemSelected and current selected item is not displayed in Spinner

By : user3433247
Date : March 29 2020, 07:55 AM
will help you Finally came across this which helped me, I changed my InitialSetupUI function to this:
code :
public void uniSpinnerSetup()
    ParseQueryAdapter.QueryFactory<ParseObject> factory = new ParseQueryAdapter.QueryFactory<ParseObject>() {
        public ParseQuery create() {
            ParseQuery query = new ParseQuery("University");
            return query;

    uniSpinner = (Spinner) findViewById(R.id.uniSpinner);

    ParseQueryAdapter<ParseObject> adapter = new ParseQueryAdapter<ParseObject>(this, factory);
    uniSpinner.setOnItemSelectedListener(new mySpinnerListener());
android spinner if some item selected, other spinner gone

android spinner if some item selected, other spinner gone

By : Lean FK
Date : March 29 2020, 07:55 AM
should help you out You forgot to retrieve the currently selected item of your spinner & save it to your spinner1x string, & to implement the onNothingSelected method:
code :
spinner1.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
    public void onItemSelected(AdapterView<?> mRelative, View selectedItemView, int position, long id) {
          spinner1x = mRelative.getItemAtPosition(position).toString();
          // your code here
          if (spinner1x.equals("poison")){

    public void onNothingSelected(AdapterView<?> parent) {
        // Another interface callback
how to get values from selected item spinner (Android Studio to Firebase)

how to get values from selected item spinner (Android Studio to Firebase)

By : jeffbhamilton
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , First of all, thankyou for clicking my question, hope you can help me to resolve my problem here :( , Your reference is at the root node:
code :
mDatabase = FirebaseDatabase.getInstance().getReference();
 mDatabase.child("PRODUCTS").child("PROD1").addValueEventListener(new ValueEventListener() {
 public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
       selectedproductprice = dataSnapshot.child("productprice").getValue().toString();

 public void onCancelled(@NonNull DatabaseError databaseError) {
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