如何在Android Card Game Like＆＃34; Spades Free＆＃34;中动画卡片。我的游戏与疯狂8.i使用Android游戏开发的傻瓜作为参考完全相同。但是，我想动画卡我怎么能这样做。
公共类GameView扩展了View {
private int screenW;
private int screenH;
private Context myContext;
private List<Card> deck = new ArrayList<Card>();
private int scaledCardW;
private int scaledCardH;
private Paint whitePaint;
private List<Card> myHand = new ArrayList<Card>();
private List<Card> oppHand = new ArrayList<Card>();
private int myScore = 0;
private int oppScore = 0;
private float scale;
private Bitmap cardBack;
private List<Card> discardPile = new ArrayList<Card>();
private boolean myTurn;
private ComputerPlayer computerPlayer = new ComputerPlayer();
private int movingCardIdx = -1;
private int movingX;
private int movingY;
private int validRank = 8;
private int validSuit = 0;
private Bitmap nextCardButton;
private int scoreThisHand = 0;
public GameView(Context context) {
super(context);
myContext = context;
scale = myContext.getResources().getDisplayMetrics().density;
whitePaint = new Paint();
whitePaint.setAntiAlias(true);
whitePaint.setColor(Color.WHITE);
whitePaint.setStyle(Paint.Style.STROKE);
whitePaint.setTextAlign(Paint.Align.LEFT);
whitePaint.setTextSize(scale*15);
}
@Override
public void onSizeChanged (int w, int h, int oldw, int oldh){
super.onSizeChanged(w, h, oldw, oldh);
screenW = w;
screenH = h;
Bitmap tempBitmap = BitmapFactory.decodeResource(myContext.getResources(), R.drawable.card_back);
scaledCardW = (int) (screenW/8);
scaledCardH = (int) (scaledCardW*1.28);
cardBack = Bitmap.createScaledBitmap(tempBitmap, scaledCardW, scaledCardH, false);
nextCardButton = BitmapFactory.decodeResource(getResources(), R.drawable.arrow_next);
initCards();
dealCards();
drawCard(discardPile);
validSuit = discardPile.get(0).getSuit();
validRank = discardPile.get(0).getRank();
myTurn = new Random().nextBoolean();
if (!myTurn) {
makeComputerPlay();
}
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawText("Computer Score: " + Integer.toString(oppScore), 10, whitePaint.getTextSize()+10, whitePaint);
canvas.drawText("My Score: " + Integer.toString(myScore), 10, screenH-whitePaint.getTextSize()-10, whitePaint);
for (int i = 0; i < oppHand.size(); i++) {
canvas.drawBitmap(cardBack,
i*(scale*5),
whitePaint.getTextSize()+(50*scale),
null);
}
canvas.drawBitmap(cardBack, (screenW/2)-cardBack.getWidth()-10, (screenH/2)-(cardBack.getHeight()/2), null);
if (!discardPile.isEmpty()) {
canvas.drawBitmap(discardPile.get(0).getBitmap(),
(screenW/2)+10,
(screenH/2)-(cardBack.getHeight()/2),
null);
}
if (myHand.size() > 7) {
canvas.drawBitmap(nextCardButton,
screenW-nextCardButton.getWidth()-(30*scale),
screenH-nextCardButton.getHeight()-scaledCardH-(90*scale),
null);
}
for (int i = 0; i < myHand.size(); i++) {
if (i == movingCardIdx) {
canvas.drawBitmap(myHand.get(i).getBitmap(),
movingX,
movingY,
null);
} else {
if (i < 7) {
canvas.drawBitmap(myHand.get(i).getBitmap(),
i*(scaledCardW+5),
screenH-scaledCardH-whitePaint.getTextSize()-(50*scale),
null);
}
}
}
invalidate();
}
public boolean onTouchEvent(MotionEvent event) {
int eventaction = event.getAction();
int X = (int)event.getX();
int Y = (int)event.getY();
switch (eventaction ) {
case MotionEvent.ACTION_DOWN:
if (myTurn) {
for (int i = 0; i < 7; i++) {
if (X > i*(scaledCardW+5) && X < i*(scaledCardW+5) + scaledCardW &&
Y > screenH-scaledCardH-whitePaint.getTextSize()-(50*scale)) {
movingCardIdx = i;
movingX = X-(int)(30*scale);
movingY = Y-(int)(70*scale);
}
}
}
break;
case MotionEvent.ACTION_MOVE:
movingX = X-(int)(30*scale);
movingY = Y-(int)(70*scale);
break;
case MotionEvent.ACTION_UP:
if (movingCardIdx > -1 &&
X > (screenW/2)-(100*scale) &&
X < (screenW/2)+(100*scale) &&
Y > (screenH/2)-(100*scale) &&
Y < (screenH/2)+(100*scale) &&
(myHand.get(movingCardIdx).getRank() == 8 ||
myHand.get(movingCardIdx).getRank() == validRank ||
myHand.get(movingCardIdx).getSuit() == validSuit)) {
validRank = myHand.get(movingCardIdx).getRank();
validSuit = myHand.get(movingCardIdx).getSuit();
discardPile.add(0, myHand.get(movingCardIdx));
myHand.remove(movingCardIdx);
if (myHand.isEmpty()) {
endHand();
} else {
if (validRank == 8) {
showChooseSuitDialog();
} else {
myTurn = false;
makeComputerPlay();
}
}
}
if (movingCardIdx == -1 && myTurn &&
X > (screenW/2)-(100*scale) &&
X < (screenW/2)+(100*scale) &&
Y > (screenH/2)-(100*scale) &&
Y < (screenH/2)+(100*scale)) {
if (checkForValidDraw()) {
drawCard(myHand);
} else {
Toast.makeText(myContext, "You have a valid play.", Toast.LENGTH_SHORT).show();
}
}
if (myHand.size() > 7 &&
X > screenW-nextCardButton.getWidth()-(30*scale) &&
Y > screenH-nextCardButton.getHeight()-scaledCardH-(90*scale) &&
Y < screenH-nextCardButton.getHeight()-scaledCardH-(60*scale)) {
Collections.rotate(myHand, 1);
}
movingCardIdx = -1;
break;
}
invalidate();
return true;
}
private void showChooseSuitDialog() {
final Dialog chooseSuitDialog = new Dialog(myContext);
chooseSuitDialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
chooseSuitDialog.setContentView(R.layout.choose_suit_dialog);
final Spinner suitSpinner = (Spinner) chooseSuitDialog.findViewById(R.id.suitSpinner);
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
myContext, R.array.suits, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
suitSpinner.setAdapter(adapter);
Button okButton = (Button) chooseSuitDialog.findViewById(R.id.okButton);
okButton.setOnClickListener(new View.OnClickListener(){
public void onClick(View view){
validSuit = (suitSpinner.getSelectedItemPosition()+1)*100;
String suitText = "";
if (validSuit == 100) {
suitText = "Diamonds";
} else if (validSuit == 200) {
suitText = "Clubs";
} else if (validSuit == 300) {
suitText = "Hearts";
} else if (validSuit == 400) {
suitText = "Spades";
}
chooseSuitDialog.dismiss();
Toast.makeText(myContext, "You chose " + suitText, Toast.LENGTH_SHORT).show();
myTurn = false;
makeComputerPlay();
}
});
chooseSuitDialog.show();
}
private void initCards() {
for (int i = 0; i < 4; i++) {
for (int j = 102; j < 115; j++) {
int tempId = j + (i*100);
Card tempCard = new Card(tempId);
int resourceId = getResources().getIdentifier("card" + tempId, "drawable", myContext.getPackageName());
Bitmap tempBitmap = BitmapFactory.decodeResource(myContext.getResources(), resourceId);
scaledCardW = (int) (screenW/8);
scaledCardH = (int) (scaledCardW*1.28);
Bitmap scaledBitmap = Bitmap.createScaledBitmap(tempBitmap, scaledCardW, scaledCardH, false);
tempCard.setBitmap(scaledBitmap);
deck.add(tempCard);
}
}
}
private void drawCard(List<Card> handToDraw) {
handToDraw.add(0, deck.get(0));
deck.remove(0);
if (deck.isEmpty()) {
for (int i = discardPile.size()-1; i > 0 ; i--) {
deck.add(discardPile.get(i));
discardPile.remove(i);
Collections.shuffle(deck,new Random());
}
}
}
private void dealCards() {
Collections.shuffle(deck,new Random());
for (int i = 0; i < 7; i++) {
drawCard(myHand);
drawCard(oppHand);
}
}
private boolean checkForValidDraw() {
boolean canDraw = true;
for (int i = 0; i < myHand.size(); i++) {
int tempId = myHand.get(i).getId();
int tempRank = myHand.get(i).getRank();
int tempSuit = myHand.get(i).getSuit();
if (validSuit == tempSuit || validRank == tempRank ||
tempId == 108 || tempId == 208 || tempId == 308 || tempId == 408) {
canDraw = false;
}
}
return canDraw;
}
private void makeComputerPlay() {
int tempPlay = 0;
while (tempPlay == 0) {
tempPlay = computerPlayer.makePlay(oppHand, validSuit, validRank);
if (tempPlay == 0) {
drawCard(oppHand);
}
}
if (tempPlay == 108 || tempPlay == 208 || tempPlay == 308 || tempPlay == 408) {
validRank = 8;
validSuit = computerPlayer.chooseSuit(oppHand);
String suitText = "";
if (validSuit == 100) {
suitText = "Diamonds";
} else if (validSuit == 200) {
suitText = "Clubs";
} else if (validSuit == 300) {
suitText = "Hearts";
} else if (validSuit == 400) {
suitText = "Spades";
}
Toast.makeText(myContext, "Computer chose " + suitText, Toast.LENGTH_SHORT).show();
} else {
validSuit = Math.round((tempPlay/100) * 100);
validRank = tempPlay - validSuit;
}
for (int i = 0; i < oppHand.size(); i++) {
Card tempCard = oppHand.get(i);
if (tempPlay == tempCard.getId()) {
discardPile.add(0, oppHand.get(i));
oppHand.remove(i);
}
}
if (oppHand.isEmpty()) {
endHand();
}
myTurn = true;
}
}
答案 0 :(得分：0)
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/pressed_center"
android:state_pressed="true" />
<item android:drawable="@drawable/unpressed_center" />
您应该在相同的布局文件中为pres或不按版本
制作draweble