Pass Data Between to Activity in Android

First you will create create in your Base or First Activity.

Intent i = new Intent(getApplicationContext(), Activity2.class);

i.putExtra("NameofKey","value");

startActivity(i);

After that go on your second Activity means Activity2.java and Put Following Code.

Bundle extras = getIntent().getExtras();

if (extras != null) {

    String value = extras.getString("NameofKey");

}