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POMaking an android game, not sure how to approach this
 

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  1. POMaking an android game, not sure how to approach this
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    <p>I am designing a game in Android/Java and so far everything has gone well. The game shows a random card from a deck of 52 and the user has to determine whether the next card will be higher or lower. I put my switch &amp; case in my main class, and im not sure how to re-run the switch and case statement to draw another card at random.</p> <p>Below are my classes, I know I dont need this many, but I changed the code around alot since my original in attempt to get this to work. I know the problem is not with my app, its because of my inexperience in android... Check out the code and tell me what you think. Since its a pretty broad question and there may be more than one answer, I will upvote everyone who gives me a relevant answer, weather I use the solution or not.</p> <p>Thanks,</p> <p>-Steve</p> <p>My Main Game Class:</p> <pre><code>public class Game extends SwarmActivity { int cardNum; Deck d = new Deck(); int x = d.shuffle(); String y = String.valueOf(x); @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.game); Swarm.init(this, 1388, "1e02a1ecfa9483b7b62e7b32c7e055f3"); TextView t = (TextView) findViewById(R.id.score); ImageView display = (ImageView) findViewById(R.id.display); switch (x) { case 0: display.setImageResource(R.drawable.c_one); cardNum = 1; break; case 1: display.setImageResource(R.drawable.c_two); cardNum = 2; break; case 2: display.setImageResource(R.drawable.c_three); cardNum = 3; break; case 3: display.setImageResource(R.drawable.c_four); cardNum = 4; break; case 4: display.setImageResource(R.drawable.c_five); cardNum = 5; break; ---------- (5-49) ---------- case 50: display.setImageResource(R.drawable.c_fiftyone); cardNum = 51; break; case 51: display.setImageResource(R.drawable.c_fiftytwo); cardNum = 52; break; } ImageView higher = (ImageView) findViewById(R.id.btn_higher); ImageView lower = (ImageView) findViewById(R.id.btn_lower); higher.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { } }); lower.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { } }); } </code></pre> <p>}</p> <p>Deck Class: (originally this was in my game class)</p> <pre><code>public class Deck { public int shuffle() { Shuffle s = new Shuffle(); int[] shuffDeck = s.getShuffle(); int i = 0; int x = shuffDeck[i]; String y = String.valueOf(x); return x; } </code></pre> <p>}</p> <p>Shuffle Class: (Originally this was in my game class)</p> <pre><code>public class Shuffle { public static int[] getShuffle() { int[] cards = new int[52]; ArrayList&lt;Integer&gt; cards_objs = new ArrayList&lt;Integer&gt;(); for (int i = 0; i &lt; cards.length; i++) { cards_objs.add(i); } Collections.shuffle(cards_objs); for (int i = 0; i &lt; cards.length; i++) { cards[i] = cards_objs.get(i); } return cards; } </code></pre> <p>}</p>
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    1. COAre you really using a huge `switch` statement for that? Why not just use an array indexed by the card number [0, 52) to the corresponding image resource field? You can also replace all the `cardNum = ...` with merely `cardNum = x + 1`
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    2. COI had to name the cards "one, two, theree" instead of (1,2,3) because android gives me a problem when I start res files with numbers.
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    3. COTry to name them like card_01, card_02 ... card_52, and access the Drawable ids using the Reflection api or some other clever solution. See my previous question about this: [link](http://stackoverflow.com/questions/11814490/access-variables-by-name-in-a-loop). Your code will shrink in size dramatically.
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