行き詰まり、GameView クラスの実行時にエラーが発生します。エラーなしでコンパイルされますが、Android エミュレーションで実行するとクラッシュします。コードの後に logcat を投稿します。
コード
public class GameView extends View {
private Context myContext;
private List<Card> deck = new ArrayList<Card>();
private int scaledCardW;
private int scaledCardH;
private int screenW;
private int screenH;
private List<Card> myHand = new ArrayList<Card>();
private List<Card> oppHand = new ArrayList<Card>();
private List<Card> discardPile = new ArrayList<Card>();
private float scale;
private Paint whitePaint;
private int oppScore;
private int myScore;
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);
}
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);
}
}
@Override
public void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
dealCards();
}
@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);
}
}
ログキャットのエクスポート。
03-18 07:51:46.795: W/dalvikvm(4395): threadid=3: thread exiting with uncaught exception (group=0x4001b188)
03-18 07:51:46.795: E/AndroidRuntime(4395): Uncaught handler: thread main exiting due to uncaught exception
03-18 07:51:46.805: E/AndroidRuntime(4395): java.lang.IndexOutOfBoundsException: Invalid location 0, size is 0
03-18 07:51:46.805: E/AndroidRuntime(4395): at java.util.ArrayList.get(ArrayList.java:341)
03-18 07:51:46.805: E/AndroidRuntime(4395): at com.agpfd.crazyeights.GameView.drawCard(GameView.java:66)
03-18 07:51:46.805: E/AndroidRuntime(4395): at com.agpfd.crazyeights.GameView.dealCards(GameView.java:81)
03-18 07:51:46.805: E/AndroidRuntime(4395): at com.agpfd.crazyeights.GameView.onSizeChanged(GameView.java:89)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.view.View.setFrame(View.java:6897)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.view.View.layout(View.java:6824)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.widget.FrameLayout.onLayout(FrameLayout.java:333)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.view.View.layout(View.java:6830)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.widget.FrameLayout.onLayout(FrameLayout.java:333)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.view.View.layout(View.java:6830)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.view.ViewRoot.performTraversals(ViewRoot.java:996)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.view.ViewRoot.handleMessage(ViewRoot.java:1633)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.os.Handler.dispatchMessage(Handler.java:99)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.os.Looper.loop(Looper.java:123)
03-18 07:51:46.805: E/AndroidRuntime(4395): at android.app.ActivityThread.main(ActivityThread.java:4363)
03-18 07:51:46.805: E/AndroidRuntime(4395): at java.lang.reflect.Method.invokeNative(Native Method)
03-18 07:51:46.805: E/AndroidRuntime(4395): at java.lang.reflect.Method.invoke(Method.java:521)
03-18 07:51:46.805: E/AndroidRuntime(4395): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
03-18 07:51:46.805: E/AndroidRuntime(4395): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
03-18 07:51:46.805: E/AndroidRuntime(4395): at dalvik.system.NativeStart.main(Native Method)
どんな助けでも大歓迎です。