Android Spinner Example Code with Output

Android Spinner is like the combox box of AWT or Swing. It can be used to display the multiple options to the user in which only one item can be selected by the user.Android spinner is like the drop down menu with multiple values from which the end user can select only one value.

Android spinner is associated with AdapterView. So you need to use one of the adapter classes with spinner.

String.Xml

<RelativeLayout xmlns:androclass="http://schemas.android.com/apk/res/android"  
    xmlns:tools="http://schemas.android.com/tools"  
    android:layout_width="match_parent"  
    android:layout_height="match_parent"  
    tools:context=".MainActivity" >  
  
    <Spinner  
        android:id="@+id/spinner1"  
        android:layout_width="wrap_content"  
        android:layout_height="wrap_content"  
        android:layout_alignParentTop="true"  
        android:layout_centerHorizontal="true"  
        android:layout_marginTop="83dp" />  
  
</RelativeLayout>  

Visit : Android Notification Example Using Notificationcompat

MainActivity.java

  @Override  
    protected void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.activity_main);  
        //Getting the instance of Spinner and applying OnItemSelectedListener on it  
        Spinner spin = (Spinner) findViewById(R.id.spinner1);  
        spin.setOnItemSelectedListener(this);  
          
        //Creating the ArrayAdapter instance having the country list  
        ArrayAdapter aa = new ArrayAdapter(this,android.R.layout.simple_spinner_item,country);  
        aa.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);  
        //Setting the ArrayAdapter data on the Spinner  
        spin.setAdapter(aa);  
    }  
  
      
    //Performing action onItemSelected and onNothing selected  
    @Override  
    public void onItemSelected(AdapterView<?> arg0, View arg1, int position,long id) {  
        Toast.makeText(getApplicationContext(),country[position] ,Toast.LENGTH_LONG).show();  
    }  
  
    @Override  
    public void onNothingSelected(AdapterView<?> arg0) {  
        // TODO Auto-generated method stub  
          
    }  
  
    @Override  
    public boolean onCreateOptionsMenu(Menu menu) {  
        // Inflate the menu; this adds items to the action bar if it is present.  
        getMenuInflater().inflate(R.menu.activity_main, menu);  
        return true;  
    }
}  

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Output

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