Android Spinner set Selected Item by Value

The spinner provides a way to set the selected valued based on the position using the setSelection(int position) method. Now to get the position based on a value you have to loop thru the spinner and get the position. Here is an example

mySpinner.setSelection(getIndex(mySpinner, myValue));
 
 private int getIndex(Spinner spinner, String myString){
 
  int index = 0;
 
  for (int i=0;i<spinner.getCount();i++){
   if (spinner.getItemAtPosition(i).equals(myString)){
    index = i;
   }
  }
  return index;
 }

mySpinner.setSelection(getIndex(mySpinner, myValue));

private int getIndex(Spinner spinner, String myString){

int index = 0;

for (int i=0;i<spinner.getCount();i++){

if (spinner.getItemAtPosition(i).equals(myString)){

index = i;

}

return index;

}

If you are using an ArrayList for your Spinner Adapter then […]

shubham sharma February 15, 2017 Read More

Android Spinner Dropdown Example

package com.androidhive.spinner;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.Toast;
import android.widget.AdapterView.OnItemSelectedListener;

public class AndroidSpinnerExampleActivity extends Activity implements OnItemSelectedListener{
 @Override
 public void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.main);

// 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);
 }

 @Override
 public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
// On selecting a spinner item
 String item = parent.getItemAtPosition(position).toString();

// Showing selected spinner item
 Toast.makeText(parent.getContext(), "Selected: " + item, Toast.LENGTH_LONG).show();

 }

 public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub

 }

}

package com.androidhive.spinner;

import java.util.ArrayList;

import java.util.List;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.Spinner;

import android.widget.Toast;

import android.widget.AdapterView.OnItemSelectedListener;

public class AndroidSpinnerExampleActivity extends Activity implements OnItemSelectedListener{

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

// 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);

}

@Override

public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {

// On selecting a spinner item

String item = parent.getItemAtPosition(position).toString();

// Showing selected spinner item

Toast.makeText(parent.getContext(), "Selected: " + item, Toast.LENGTH_LONG).show();

}

public void onNothingSelected(AdapterView<?> arg0) {

// TODO Auto-generated method stub

}

shubham sharma January 11, 2017 Read More