Java SparseIntArray.valueAt方法代码示例

import android.util.SparseIntArray; //导入方法依赖的package包/类
/**
 * Initialize the list of buckets. Get the bucket sizes (and bucket lengths) from the bucket
 * sizes provider
 * @param inUseCounts map of current buckets and their in use counts
 */
private synchronized void initBuckets(SparseIntArray inUseCounts) {
  Preconditions.checkNotNull(inUseCounts);

  // clear out all the buckets
  mBuckets.clear();

  // create the new buckets
  final SparseIntArray bucketSizes = mPoolParams.bucketSizes;
  if (bucketSizes != null) {
    for (int i = 0; i < bucketSizes.size(); ++i) {
      final int bucketSize = bucketSizes.keyAt(i);
      final int maxLength = bucketSizes.valueAt(i);
      int bucketInUseCount = inUseCounts.get(bucketSize, 0);
      mBuckets.put(
          bucketSize,
          new Bucket<V>(
              getSizeInBytes(bucketSize),
              maxLength,
              bucketInUseCount));
    }
    mAllowNewBuckets = false;
  } else {
    mAllowNewBuckets = true;
  }
}
 

import android.util.SparseIntArray; //导入方法依赖的package包/类
private int getMaxAnswersId() {
  int max = 0;
  int id = 0;

  SparseIntArray answers = new SparseIntArray();
  for (QA qa : socTest.getQa()) {
    int answer = qa.getAnswer();
    answers.put(answer, answers.get(answer, 0) + 1);
  }

  for (int i = 0; i < answers.size(); i++) {
    if (max < answers.valueAt(i)) {
      max = answers.valueAt(i);
      id = answers.keyAt(i);
    }
  }

  return id;
}
 

import android.util.SparseIntArray; //导入方法依赖的package包/类
/**
 * Binary search for the closest value that's smaller than or equal to {@code value}, and
 * return the corresponding key.
 */
private static int binarySearch(SparseIntArray array, int value) {
    final int size = array.size();
    int lo = 0;
    int hi = size - 1;

    while (lo <= hi) {
        final int mid = (lo + hi) >>> 1;
        final int midVal = array.valueAt(mid);

        if (midVal < value) {
            lo = mid + 1;
        } else if (midVal > value) {
            hi = mid - 1;
        } else {
            return array.keyAt(mid);  // value found
        }
    }
    // Value not found. Return the last item before our search range, which is the closest
    // value smaller than the value we are looking for.
    return array.keyAt(lo - 1);
}
 

import android.util.SparseIntArray; //导入方法依赖的package包/类
private List<Map<String, String>> getTicketTrains() {
	List<Map<String, String>> lstTicketTrains = new ArrayList<Map<String, String>>();
	List<Integer> lstTemp = new ArrayList<Integer>();
	TrainHelper tHelper = new TrainHelper();
	SparseIntArray saTrainSpeeds = tHelper.getTrainSpeeds();
	for (int i = 0; i < mLstInfos.size(); i++) {
		QueryLeftNewDTOInfo qldInfo = mLstInfos.get(i)
				.getQueryLeftNewDTO();
		if (!lstTemp.contains(qldInfo.getSpeed_index()) || qldInfo.isHasPreferentialPrice()){
			if (!qldInfo.isHasPreferentialPrice()){
				lstTemp.add(qldInfo.getSpeed_index());
			}
			Map<String, String> map = new HashMap<String, String>();
			map.put(TT.TRAIN_NO, qldInfo.getTrain_no());
			String strName = "";
			for(int j=0; j<saTrainSpeeds.size(); j++){
				if (saTrainSpeeds.valueAt(j) == qldInfo.getSpeed_index()){
					strName = tHelper.getTrainNames().get(saTrainSpeeds.keyAt(j));
					break;
				}
			}
			map.put(TT.TRAIN_CLASS_NAME, qldInfo.isHasPreferentialPrice()?
					("<font color='#ff8c00'>[折]</font>"+qldInfo.getStation_train_code()):strName);
			map.put(TT.FROM_STATION_NO, qldInfo.getFrom_station_no());
			map.put(TT.TO_STATION_NO, qldInfo.getTo_station_no());
			map.put(TT.SEAT_TYPES, qldInfo.getSeat_types());
			lstTicketTrains.add(map);
		}
	}
	return lstTicketTrains;
}
 

import android.util.SparseIntArray; //导入方法依赖的package包/类
void dropViews(SparseIntArray viewsToDrop) {
  for (int i = 0, count = viewsToDrop.size(); i < count; i++) {
    int viewToDrop = viewsToDrop.keyAt(i);
    View view = null;
    if (viewToDrop > 0) {
      try {
        view = resolveView(viewToDrop);
        dropView(view);
      } catch (Exception e) {
        // the view is already dropped, nothing we can do
      }
    } else {
      // Root views are noted with a negative tag from StateBuilder.
      removeRootView(-viewToDrop);
    }

    int parentTag = viewsToDrop.valueAt(i);
    // this only happens for clipped, non-root views - clipped because there is no parent, and
    // not a root view (because we explicitly pass -1 for root views).
    if (parentTag > 0 && view != null && view.getParent() == null) {
      // this can only happen if the parent exists (if the parent were removed first, it'd also
      // remove the child, so trying to explicitly remove the child afterwards would crash at
      // the resolveView call above) - we also explicitly check for a null parent, implying that
      // we are either clipped (or that we already removed the child from its parent, in which
      // case this will essentially be a no-op).
      View parent = resolveView(parentTag);
      if (parent instanceof FlatViewGroup) {
        ((FlatViewGroup) parent).onViewDropped(view);
      }
    }
  }
}