Apple Cider Braised Pork Roast

3 to 3 1/2 pound boneless pork roast (loin end)
2 tablespoons canola oil
2 1/2 cups apple cider
1 cup chopped onion
1 teaspoon salt
3 medium cooking apples (Granny Smith recommended)
6 ounces dried apricot pieces
1 teaspoon ground cardamom
1/2 teaspoon ground cinnamon