Using Buttons in Android apps development

This Tutorial shows how to use Buttons in  Android apps development

1,Drag & Drop Button from Eclipse IDE
2,Select Properties and Assign name & Text Size
3,Right Click on button & select Edit ID ,Ex :Button3
4,Link this Button3 to Java by
//Start of Existing code
protected void onCreate(Bundle savedInstanceState) {   //Executes when app launched
// TODO Auto-generated method stub
setContentView(R.layout.main);            //Running Main.xml

//End of Existing code

//Start > Adding Button click event
Button Button3=(Button)findViewById (;
 Button3.setOnClickListener(new View.OnClickListener() 
public void onClick(View v) {
// TODO Auto-generated method stub //Write your Code here
startActivity(new Intent ("com.mani.Convertor.TutorialOne")); //In my case I opened new Class
//End > Adding Button click event

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