所以我正在创建一个Android应用程序,这个代码抛出"引起:java.lang.OutOfMemoryError:尝试抛出OutOfMemoryError时抛出OutOfMemoryError;没有可用的堆栈跟踪"错误:
public ArrayListstatModa(ArrayList statRed, ArrayList uniqueRed) { ArrayList result = new ArrayList<>(); int maxFreqIndex = 0; int maxFreq = Collections.frequency(statRed, uniqueRed.get(0)); for (int i=1; i < statRed.size(); i++){ int currentFreq = Collections.frequency(statRed, statRed.get(i)); if ((currentFreq > maxFreq) || (currentFreq == maxFreq && statRed.get(i) == statRed.get(maxFreqIndex))) { maxFreqIndex = i; maxFreq = currentFreq; } } if (maxFreq == statRed.size() / uniqueRed.size()) return result; if (maxFreqIndex == statRed.size()-1){ result.add(statRed.get(maxFreqIndex)); return result; } for (int i=maxFreqIndex+1; i < statRed.size(); i++){ int currentFreq = Collections.frequency(statRed, statRed.get(i)); if (currentFreq != maxFreq) { result.add(statRed.get(maxFreqIndex)); int tempIndex = maxFreqIndexFinder(statRed, i, maxFreq); if (tempIndex == maxFreqIndex) { break; } else { i = tempIndex; maxFreqIndex = tempIndex; } } else { double temp = statRed.get(maxFreqIndex); int tempTimes = 1; for (int j=1; i + currentFreq*j - 1 < statRed.size(); j++){ if (currentFreq == Collections.frequency(statRed, statRed.get(i + currentFreq*j - 1))) { temp += statRed.get(i + currentFreq * j - 1); tempTimes++; maxFreqIndex = i + currentFreq * j - 1; } else { break; } } result.add(temp/(double)tempTimes); i = maxFreqIndex; } } return result; } public int maxFreqIndexFinder(ArrayList statRed, int startingIndex, int maxFreq){ int resultIndex = startingIndex - 1; int count = 0; double lastFreqValue = 0; for (int i = startingIndex; i < statRed.size(); i++){ int currentFreq = Collections.frequency(statRed, statRed.get(i)); if (currentFreq == maxFreq) { count++; if (count == 1) { resultIndex = i; lastFreqValue = statRed.get(i); } else { if (lastFreqValue == statRed.get(i)) { resultIndex = i; lastFreqValue = statRed.get(i); } else { break; } } } } return resultIndex; }
我不太确定究竟是什么导致错误.我怀疑是一个无限循环,但我找不到它,所以我在这里问.在抛出错误之前,它会不断分配内存.
这是控制台日志(如果需要):PasteBin
附加信息:
单击按钮时会运行statModa函数.
红色意味着线.
我运行应用程序并获得错误的值如下:
ArrayList statRed的值为{ 0.1,1,1,2,2,3,3,4,5 5 5}和
ArrayList uniqueRed的值为{ 0.1,1,2,3,4,5 }.
这些也不是给我这个错误的唯一值.如果这个(maxFreq == statRed.size()/ uniqueRed.size())为真则没有错误,如果没有,那么我得到错误.
PS我看到另一个问题有同样的错误,只有一个答案是启用largeHeap,但它对我不起作用.