android studio loading spinner code example

Example 1: get data from spinner android studio

Spinner spinner_house = (Spinner) findViewById(R.id.spinner_house);
String spinner_house_data = spinner_house.getSelectedItem().toString();

Example 2: spinner android

// Spinner element
      Spinner spinner = (Spinner) findViewById(R.id.spinner);
      
      // Spinner click listener
      spinner.setOnItemSelectedListener(this);
      
      // Spinner Drop down elements
      List<String> categories = new ArrayList<String>();
      categories.add("Automobile");
      categories.add("Business Services");
      categories.add("Computers");
      categories.add("Education");
      categories.add("Personal");
      categories.add("Travel");
      
      // Creating adapter for spinner
      ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, categories);
      
      // Drop down layout style - list view with radio button
      dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
      
      // attaching data adapter to spinner
      spinner.setAdapter(dataAdapter);

Example 3: style for spinner android

<style name="spinner_style">
        <item name="android:paddingLeft">0dp</item>
        <item name="android:dropDownWidth">533dp</item>
        <item name="android:showDividers">none</item>
        <item name="android:dividerHeight">0dp</item>
        <item name="android:popupBackground">@drawable/new_bg</item>
        <item name="android:dropDownHeight">70dp</item>
        <item name="android:scrollbarAlwaysDrawVerticalTrack">true</item>
        <item name="android:dropDownSelector">@android:color/white</item>
 </style>

Example 4: loading android studio

import android.os.Handler;
Runnable runnable = new Runnable() {
            @Override
            public void run() {
                Intent intent = new Intent(getApplicationContext(), inscription.class);
                startActivity(intent);
                finish();
            }
        };
        //....
        new Handler().postDelayed(runnable,3000);
    }

Example 5: how to set current item for spinner android

val b: List<Int> = a.mapIndexed { i, b -> if (b) i else null }.filterNotNull().toList()

spinnerObject.setSelection(b.get(0))