Intent 之间传递数据

        Bundle b = new Bundle();
        b.putString("itemID", v);
        Intent i1 = new Intent();
        i1.setClass(this, NoteEdit.class);
        i1.putExtras(b);
        startActivity(i1);


            i1.putExtra(mDbHelper.KEY_ROWID, keyRowId);
            i1.putExtra(mDbHelper.KEY_TITLE, keyTitle);
            i1.putExtra(mDbHelper.KEY_BODY, keyBody);