ホームボタンをクリックすると onPause メソッドが呼び出されますが、前にアプリケーションを呼び出すと onResume が呼び出されてクラッシュします。
インデックスが範囲外の場合のコードがあります:
while (isRunning) {
if (!ourHolder.getSurface().isValid())
continue;
Canvas canvas = ourHolder.lockCanvas();
canvas.drawRGB(02, 02, 150);
fingerx = (x - (Gball.getWidth() / 2));
fingery = (y - (Gball.getHeight() * 2));
for (int i = 0; i < balls.size(); i++) { // here...
ballX[i] = i * 155;
canvas.drawText("" + score, 40, 100, paint);
canvas.drawBitmap(balls.get(i), ballX[i], ChangingY[i],
null);
エラーは次のとおりです。
FATAL EXCEPTION: Thread-9140
java.lang.ArrayIndexOutOfBoundsException: length=4; index=4
at com.example.mygame.GFXSurface$GameSurface.run(GFXSurface.java:199)
at java.lang.Thread.run(Thread.java:864)
ここではインデックスが5であるべきだと知っていますが、それよりもアプリケーションが起動しない場合
再開時:
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
ourSurfaceView.resume();
}
public void resume() {
isRunning = true;
ourThread = new Thread(this);
ourThread.start();
}
実行方法:
@Override
public void run() {
for (int j = 0; j < 4; j++) {
balls.add(j, RandomBall());
}
Paint paint = new Paint();
paint.setColor(Color.RED);
paint.setTextSize(100);
paint1.setStyle(Style.FILL);
paint1.setColor(Color.RED);
while (isRunning) {
if (!ourHolder.getSurface().isValid())
continue;
Canvas canvas = ourHolder.lockCanvas();
canvas.drawRGB(02, 02, 150);
fingerx = (x - (Gball.getWidth() / 2));
fingery = (y - (Gball.getHeight() * 2));
for (int i = 0; i < balls.size(); i++) {
ballX[i] = i * 155;
canvas.drawText("" + score, 40, 100, paint);
canvas.drawBitmap(balls.get(i), ballX[i], ChangingY[i],
null);
if (x != 0 && y != 0 && mode == 0) {
if (fingerx < 0) {
canvas.drawBitmap(Gball, 0, fingery, null);
} else if (fingery < 0) {
canvas.drawBitmap(Gball, fingerx, 0, null);
}
else
canvas.drawBitmap(Gball, fingerx, fingery, null);
checkForCollision(i);
}
if (ChangingY[i] <= canvas.getHeight()) {
ChangingY[i] += 1 * speed;
} else if (ChangingY[i] > canvas.getHeight()) {
ChangingY[i] = -72;
if (speed <= 11)
speed += 0.25;
removeAndAdd(this, i);
}
}
ourHolder.unlockCanvasAndPost(canvas);
}
}