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Title: How to create Spinner and perform action in Android
link : How to create Spinner and perform action in Android

How to create Spinner and perform action in Android

Open main XML layout and drop Spinner widget or paste below code:

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical">

<Spinner

android:id="@+id/spinner1"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

</LinearLayout>

Now open Your Java File and paste below code:

package sel.listG; //package name

importandroid.os.Bundle;

importandroid.view.View;

importandroid.widget.AdapterView;

importandroid.widget.AdapterView.OnItemSelectedListener;

importandroid.widget.ArrayAdapter;

importandroid.widget.Spinner;

importandroid.widget.Toast;

importandroid.app.Activity;

public class MainActivity extends Activity implementsOnItemSelectedListener {

String values[]={"Select One","January", "July", "June", "Ravi", "Ravinder", "Abhishek", "Abhinav", "Harkishore", "Hardev"};

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

Spinner lv=(Spinner)findViewById(R.id.spinner1);

ArrayAdapter<?> adapter=new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, values);

//you can left the below one line because it is merging two layout

adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

lv.setAdapter(adapter);

lv.setOnItemSelectedListener(this);

}

@Override

public voidonItemSelected(AdapterView<?> a, View v, int pos,long id)

{

Toast.makeText(getApplicationContext(),a.getItemAtPosition(pos)+"Selected", Toast.LENGTH_SHORT).show();

}

@Override

public voidonNothingSelected(AdapterView<?> arg0) {

// TODOAuto-generated method stub

}

Now Run your code...

That's How to create Spinner and perform action in Android

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