In this tutorial following is shown:<\/p>\n
Code:<\/p>\n
activity_main.xml<\/p>\n
<RelativeLayout xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”
\nxmlns:tools=”http:\/\/schemas.android.com\/tools”
\nandroid:layout_width=”match_parent”
\nandroid:layout_height=”match_parent”
\nandroid:paddingBottom=”@dimen\/activity_vertical_margin”
\nandroid:paddingLeft=”@dimen\/activity_horizontal_margin”
\nandroid:paddingRight=”@dimen\/activity_horizontal_margin”
\nandroid:paddingTop=”@dimen\/activity_vertical_margin”
\ntools:context=”.MainActivity” ><\/p>\n
<Spinner
\nandroid:id=”@+id\/img”
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_below=”@+id\/textView1″
\nandroid:layout_centerHorizontal=”true” \/><\/p>\n
<TextView
\nandroid:id=”@+id\/textView1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/img”
\nandroid:layout_alignParentTop=”true”
\nandroid:layout_marginTop=”65dp”
\nandroid:text=”Change Background Image” \/><\/p>\n
<TextView
\nandroid:id=”@+id\/textView2″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/img”
\nandroid:layout_below=”@+id\/img”
\nandroid:layout_marginTop=”22dp”
\nandroid:text=”Change Background Color” \/><\/p>\n
<Spinner
\nandroid:id=”@+id\/clr”
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_below=”@+id\/textView2″
\nandroid:layout_centerHorizontal=”true” \/><\/p>\n
<\/RelativeLayout><\/p>\n
<\/p>\n
MainActivity.java<\/p>\n
package com.example.demo;<\/p>\n
import android.os.Bundle;
\nimport android.app.Activity;
\nimport android.graphics.Color;
\nimport android.view.Menu;
\nimport android.view.View;
\nimport android.widget.AdapterView;
\nimport android.widget.ArrayAdapter;
\nimport android.widget.Spinner;
\npublic class MainActivity extends Activity{<\/p>\n
final String color[]={“Select”,”Red”,”Green”,”Blue”,”Yellow”,”Cyan”};
\nfinal String[] image={“Select”,”Desert”,”JellyFish”,”Koala”,”LightHouse”,”Penguins”};
\nSpinner img,clr;<\/p>\n
@Override
\nprotected void onCreate(Bundle savedInstanceState) {
\nsuper.onCreate(savedInstanceState);
\nsetContentView(R.layout.activity_main);
\nimg=(Spinner)findViewById(R.id.img);
\nclr=(Spinner)findViewById(R.id.clr);
\nfinal View r=img.getRootView();
\nArrayAdapter <String> ad1=new ArrayAdapter <String> (this,android.R.layout.simple_dropdown_item_1line,color);
\nArrayAdapter <String> ad2=new ArrayAdapter <String> (this,android.R.layout.simple_dropdown_item_1line,image);<\/p>\n
img.setAdapter(ad2);
\nclr.setAdapter(ad1);<\/p>\n
img.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {<\/p>\n
@Override
\npublic void onItemSelected(AdapterView<?> arg0, View arg1,
\nint arg2, long arg3) {
\n\/\/ TODO Auto-generated method stub
\nif(img.getSelectedItem().equals(“Desert”))
\n{
\nr.setBackgroundResource(R.drawable.desert);
\n}
\nelse if(img.getSelectedItem().equals(“JellyFish”))
\n{
\nr.setBackgroundResource(R.drawable.jellyfish);
\n}
\nelse if(img.getSelectedItem().equals(“Koala”))
\n{
\nr.setBackgroundResource(R.drawable.koala);
\n}
\nelse if(img.getSelectedItem().equals(“LightHouse”))
\n{
\nr.setBackgroundResource(R.drawable.lighthouse);
\n}
\nelse if(img.getSelectedItem().equals(“Penguins”))
\n{
\nr.setBackgroundResource(R.drawable.penguins);
\n}<\/p>\n
}<\/p>\n
@Override
\npublic void onNothingSelected(AdapterView<?> arg0) {
\n\/\/ TODO Auto-generated method stub<\/p>\n
}
\n});<\/p>\n
clr.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {<\/p>\n
@Override
\npublic void onItemSelected(AdapterView<?> arg0, View arg1,
\nint arg2, long arg3) {
\n\/\/ TODO Auto-generated method stub
\nif(clr.getSelectedItem().equals(“Red”))
\n{
\nr.setBackgroundColor(Color.RED);
\n}
\nelse if(clr.getSelectedItem().equals(“Green”))
\n{
\nr.setBackgroundColor(Color.GREEN);
\n}
\nelse if(clr.getSelectedItem().equals(“Blue”))
\n{
\nr.setBackgroundColor(Color.BLUE);
\n}
\nelse if(clr.getSelectedItem().equals(“Yellow”))
\n{
\nr.setBackgroundColor(Color.YELLOW);
\n}
\nelse if(clr.getSelectedItem().equals(“Cyan”))
\n{
\nr.setBackgroundColor(Color.CYAN);
\n}<\/p>\n
}<\/p>\n
@Override
\npublic void onNothingSelected(AdapterView<?> arg0) {
\n\/\/ TODO Auto-generated method stub<\/p>\n
}
\n});
\n}<\/p>\n
@Override
\npublic boolean onCreateOptionsMenu(Menu menu) {
\n\/\/ Inflate the menu; this adds items to the action bar if it is present.
\ngetMenuInflater().inflate(R.menu.main, menu);
\nreturn true;
\n}<\/p>\n
}<\/p>\n