Android + SQLite Crud

How to pass an object from activity to another

Acitvity 1

Intent myIntent = new Intent(MainActivty1.this, MainActivty2.class);
myIntent.putExtra("contact", Contact);
startActivity(myIntent);
or using GSON API
private Gson gson = new Gson();
Intent myIntent = new Intent(MainActivty1.this, MainActivty2.class);
myIntent.putExtra("contact", gson.toJson(contact));
startActivity(myIntent);

Acitvity 2

myContact = (Contact) getIntent().getSerializableExtra("contact");
Contact myContact = gson.fromJson(getIntent().getStringExtra("contact"),Contact.class);