In this tutorial following is shown:<\/p>\n
Points to be remembered:<\/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\/spinner1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignParentTop=”true”
\nandroid:layout_centerHorizontal=”true”
\nandroid:layout_marginTop=”22dp”
\nandroid:entries=”@array\/image_list” \/><\/p>\n
<TextView
\nandroid:id=”@+id\/textView1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/spinner1″
\nandroid:layout_below=”@+id\/spinner1″
\nandroid:layout_marginLeft=”14dp”
\nandroid:text=”TextView” \/><\/p>\n
<ImageView
\nandroid:id=”@+id\/imageView1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/spinner1″
\nandroid:layout_below=”@+id\/textView1″
\nandroid:layout_marginTop=”70dp”
\nandroid:src=”@drawable\/desert” \/><\/p>\n
<\/RelativeLayout><\/p>\n
strings.xml<\/p>\n
<?xml version=”1.0″ encoding=”utf-8″?>
\n<resources><\/p>\n
<string name=”app_name”>Demo<\/string>
\n<string name=”action_settings”>Settings<\/string>
\n<string-array name=”image_list”>
\n<item>Desert<\/item>
\n<item>Koala<\/item>
\n<item>JellyFish<\/item>
\n<item>LightHouse<\/item>
\n<item>Penguins<\/item>
\n<\/string-array><\/p>\n
<\/resources><\/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.ImageView;
\nimport android.widget.Spinner;
\nimport android.widget.TextView;
\npublic class MainActivity extends Activity{<\/p>\n
@Override
\nprotected void onCreate(Bundle savedInstanceState) {
\nsuper.onCreate(savedInstanceState);
\nsetContentView(R.layout.activity_main);
\nfinal Spinner spin=(Spinner)findViewById(R.id.spinner1);
\nfinal ImageView img=(ImageView)findViewById(R.id.imageView1);
\nfinal TextView t1=(TextView)findViewById(R.id.textView1);<\/p>\n
spin.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(spin.getSelectedItem().equals(“Desert”))
\n{
\nimg.setImageResource(R.drawable.desert);
\nt1.setTextColor(Color.GREEN);
\nt1.setText(“You have selected Desert Image”);
\n}
\nelse if(spin.getSelectedItem().equals(“Koala”))
\n{
\nimg.setImageResource(R.drawable.koala);
\nt1.setTextColor(Color.BLUE);
\nt1.setText(“You have selected Koala Image”);
\n}
\nelse if(spin.getSelectedItem().equals(“JellyFish”))
\n{
\nimg.setImageResource(R.drawable.jellyfish);
\nt1.setTextColor(Color.RED);
\nt1.setText(“You have selected JellyFish Image”);
\n}
\nelse if(spin.getSelectedItem().equals(“Penguins”))
\n{
\nimg.setImageResource(R.drawable.penguins);
\nt1.setTextColor(Color.YELLOW);
\nt1.setText(“You have selected Penguins Image”);
\n}
\nelse if(spin.getSelectedItem().equals(“LightHouse”))
\n{
\nimg.setImageResource(R.drawable.lighthouse);
\nt1.setTextColor(Color.MAGENTA);
\nt1.setText(“You have selected LightHouse Image”);
\n}<\/p>\n
}<\/p>\n
@Override
\npublic void onNothingSelected(AdapterView<?> arg0) {
\n\/\/ TODO Auto-generated method stub<\/p>\n
}});<\/p>\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