First param is the context // Second param is the activity to launch Intent i = new Intent(ActivityOne.this, ActivityTwo.class); // Put data into the bundle for access in the second // activity i.putExtra("username", "deonna"); // Bring up the second activity startActivity(i); } // ActivityTwo.java protected void onCreate(Bundle savedInstanceState) { // Can access any data passed from ActivityOne String username = getIntent().getStringExtra("username"); doSomethingWithUsername(username); }