Send data in bundle

gistfile1.java

Intent mPoiDetailIntent = new Intent(PoiListActivity.this, PoiDetailActivity.class);
mPoiDetailIntent.putExtra("POINT_OF_INTEREST", poiClicked);
startActivity(mPoiDetailIntent);

// Then in the activtity that is recieving, so the PoiDetailActivity.class:

Bundle b = getIntent().getExtras();
if(b != null){ // Activity started from PoiListActivity
mPointOfInterest = (PointOfInterest) b.getSerializable("POINT_OF_INTEREST");