package com.tabdemo;
import android.app.TabActivity;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.widget.TabHost;
import android.widget.TabWidget;
import android.widget.TextView;
 
public class Main extends TabActivity {
 
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Drawable mySelector = getResources().getDrawable(R.drawable.background);
Drawable mySelector1 = getResources().getDrawable(R.drawable.background);
Drawable mySelector2 = getResources().getDrawable(R.drawable.background);
Drawable mySelector3 = getResources().getDrawable(R.drawable.background);
Drawable mySelector4 = getResources().getDrawable(R.drawable.background);
 
//here we set the tab background that must be in the drawable folder
Resources res = getResources(); // Resource object to get Drawables
 
TabHost tabHost = getTabHost();
 
// The activity TabHost
TabHost.TabSpec spec;  // Resusable TabSpec for each tab
final Intent intent1;
final Intent intent2;
Intent intent3; // Reusable Intent for each tab
Intent intent4;
Intent intent5;
 
// Create an Intent to launch an Activity for the tab (to be reused)
intent1 = new Intent().setClass(this,FirstClass.class);
intent2 =new Intent().setClass(this, SecondClass.class);
intent3= new Intent().setClass(this,ThirdClass.class);
intent4= new Intent().setClass(this,Fourth.class);
intent5= new Intent().setClass(this,FifthClass.class);
 
TabWidget tab=getTabWidget();
 
spec = tabHost.newTabSpec("firstclass").setIndicator("FirstClass",
res.getDrawable(R.drawable.calculator_tab))
.setContent(intent1);//this line sets the content of the tab being intent1...
 
//intent1 is declared upper like FirstClass.java
 
//R.drawable.calculator_tab ....this is the icon used for the tab
tabHost.addTab(spec);
 
tab.getChildTabViewAt(0).setBackgroundDrawable(mySelector);
 
// here is set the background for the current tab.
 
// Initialize a TabSpec for each tab and add it to the TabHost
spec = tabHost.newTabSpec("secondclass").setIndicator("SecondClass",
res.getDrawable(R.drawable.procedural_tab))
.setContent(intent2);
 
tabHost.addTab(spec);
tab.getChildTabViewAt(1).setBackgroundDrawable(mySelector1);
 
// Initialize a TabSpec for each tab and add it to the TabHost
spec = tabHost.newTabSpec("thirdclass").setIndicator("ThirdClass",
res.getDrawable(R.drawable.icu_tab))
.setContent(intent3);
 
tabHost.addTab(spec);
tab.getChildTabViewAt(2).setBackgroundDrawable(mySelector2);
 
//here we set Background drawable that we declared at the begining of the program.
 
// Initialize a TabSpec for each tab and add it to the TabHost
spec = tabHost.newTabSpec("fourthclass").setIndicator("FourthClass",
res.getDrawable(R.drawable.reference_tab))
.setContent(intent4);
 
tabHost.addTab(spec);
tab.getChildTabViewAt(3).setBackgroundDrawable(mySelector3);
 
// Initialize a TabSpec for each tab and add it to the TabHost
spec = tabHost.newTabSpec("safety").setIndicator("Safety ",
res.getDrawable(R.drawable.safety_tab))
.setContent(intent5);
 
tabHost.addTab(spec);
tab.getChildTabViewAt(4).setBackgroundDrawable(mySelector4);
 
tabHost.setCurrentTab(0);
 
}
 
}