how to use variable while calling new activity in intent?

Question

i have following code to call new activity

now i want to use variable to call new activity

String var1,var2,var3; var1=\"Login\"; var2=\"Signup\"; var3=\"more

Answer 1

try this
try {
  String className = 'com.www.tutorialforandroid.com.openActivity';
  Intent openNewIntent = new Intent( this, Class.forName( className ) );
  startActivity( openNewIntent );
} catch (ClassNotFoundException e) {
  e.printStackTrace();
}