本文整理了Java中android.view.MotionEvent.getActionIndex()方法的一些代码示例，展示了MotionEvent.getActionIndex()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。MotionEvent.getActionIndex()方法的具体详情如下：
包路径：android.view.MotionEvent
类名称：MotionEvent
方法名：getActionIndex

MotionEvent.getActionIndex介绍

暂无

代码示例

代码示例来源：origin: steelkiwi/cropiwa

private void onPointerUp(MotionEvent ev) {
  int id = ev.getPointerId(ev.getActionIndex());
  fingerToCornerMapping.remove(id);
}

代码示例来源：origin: steelkiwi/cropiwa

private void onPointerUp(MotionEvent e) {
  //If user lifted finger that we used to calculate translation, we need to find a new one
  if (e.getPointerId(e.getActionIndex()) == id) {
    int index = 0;
    while (index < e.getPointerCount() && index == e.getActionIndex()) {
      index++;
    }
    onDown(e.getX(index), e.getY(index), e.getPointerId(index));
  }
}

代码示例来源：origin: mxn21/FlowingDrawer

private void onPointerUp(MotionEvent ev) {
  final int pointerIndex = ev.getActionIndex();
  final int pointerId = ev.getPointerId(pointerIndex);
  if (pointerId == mActivePointerId) {
    final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
    mLastMotionX = ev.getX(newPointerIndex);
    mActivePointerId = ev.getPointerId(newPointerIndex);
    if (mVelocityTracker != null) {
      mVelocityTracker.clear();
    }
  }
}

代码示例来源：origin: steelkiwi/cropiwa

/**
 * @return {@literal true} if ev.x && ev.y are in area of some corner point
 */
private boolean tryAssociateWithCorner(MotionEvent ev) {
  int index = ev.getActionIndex();
  return tryAssociateWithCorner(
      ev.getPointerId(index),
      ev.getX(index), ev.getY(index));
}

代码示例来源：origin: steelkiwi/cropiwa

private void onStartGesture(MotionEvent ev) {
  //Does user want to resize the crop area?
  if (tryAssociateWithCorner(ev)) {
    return;
  }
  //Does user want to drag the crop area?
  int index = ev.getActionIndex();
  if (cropRect.contains(ev.getX(index), ev.getY(index))) {
    cropDragStartPoint = new PointF(ev.getX(index), ev.getY(index));
    cropRectBeforeDrag = new RectF(cropRect);
  }
}

代码示例来源：origin: ankidroid/Anki-Android

private void reinitializeSecondFinger(MotionEvent event) {
  mSecondFingerWithinTapTolerance = true;
  mSecondFingerPointerId = event.getPointerId(event.getActionIndex());
  mSecondFingerX0 = event.getX(event.findPointerIndex(mSecondFingerPointerId));
  mSecondFingerY0 = event.getY(event.findPointerIndex(mSecondFingerPointerId));
}

代码示例来源：origin: ankidroid/Anki-Android

private boolean trySecondFingerClick(MotionEvent event) {
  if (mSecondFingerPointerId == event.getPointerId(event.getActionIndex())) {
    updateSecondFinger(event);
    AbstractFlashcardViewer cardViewer = mCardViewer.get();
    if (mSecondFingerWithinTapTolerance && cardViewer != null) {
      cardViewer.tapOnCurrentCard((int) mSecondFingerX, (int) mSecondFingerY);
      return true;
    }
  }
  return false;
}

代码示例来源：origin: PhilJay/MPAndroidChart

public static void velocityTrackerPointerUpCleanUpIfNecessary(MotionEvent ev,
                               VelocityTracker tracker) {
  // Check the dot product of current velocities.
  // If the pointer that left was opposing another velocity vector, clear.
  tracker.computeCurrentVelocity(1000, mMaximumFlingVelocity);
  final int upIndex = ev.getActionIndex();
  final int id1 = ev.getPointerId(upIndex);
  final float x1 = tracker.getXVelocity(id1);
  final float y1 = tracker.getYVelocity(id1);
  for (int i = 0, count = ev.getPointerCount(); i < count; i++) {
    if (i == upIndex)
      continue;
    final int id2 = ev.getPointerId(i);
    final float x = x1 * tracker.getXVelocity(id2);
    final float y = y1 * tracker.getYVelocity(id2);
    final float dot = x + y;
    if (dot < 0) {
      tracker.clear();
      break;
    }
  }
}

代码示例来源：origin: liaoinstan/SpringView

switch (action) {
  case MotionEvent.ACTION_DOWN: {
    final int pointerIndex = ev.getActionIndex();
    final float x = ev.getX(pointerIndex);
    final float y = ev.getY(pointerIndex);
    break;
  case MotionEvent.ACTION_POINTER_DOWN: {
    final int pointerIndex = ev.getActionIndex();
    final int pointerId = ev.getPointerId(pointerIndex);
    if (pointerId != mActivePointerId) {
    final int pointerIndex = ev.getActionIndex();
    final int pointerId = ev.getPointerId(pointerIndex);
    if (pointerId == mActivePointerId) {

代码示例来源：origin: Yalantis/uCrop

fX = event.getX();
fY = event.getY();
mPointerIndex2 = event.findPointerIndex(event.getPointerId(event.getActionIndex()));
mAngle = 0;
mIsFirstTouch = true;

代码示例来源：origin: k9mail/k-9

private boolean isEventOverChild(MotionEvent ev, List<View> children) {
  final int actionIndex = ev.getActionIndex();
  final float x = ev.getX(actionIndex) + getScrollX();
  final float y = ev.getY(actionIndex) + getScrollY();
  for (View child : children) {
    if (!canViewReceivePointerEvents(child)) {
      continue;
    }
    child.getHitRect(sHitFrame);
    // child can receive the motion event.
    if (sHitFrame.contains((int) x, (int) y)) {
      return true;
    }
  }
  return false;
}

代码示例来源：origin: davemorrissey/subsampling-scale-image-view

switch (event.getActionMasked()) {
  case MotionEvent.ACTION_DOWN:
    if (event.getActionIndex() == 0) {
      vStart = new PointF(event.getX(), event.getY());
      vPrevious = new PointF(event.getX(), event.getY());

代码示例来源：origin: jdamcd/android-crop

lastY = event.getY();
      validPointerId = event.getPointerId(event.getActionIndex());
      motionHighlightView.setMode((edge == HighlightView.MOVE)
          ? HighlightView.ModifyMode.Move
  break;
case MotionEvent.ACTION_MOVE:
  if (motionHighlightView != null && event.getPointerId(event.getActionIndex()) == validPointerId) {
    motionHighlightView.handleMotion(motionEdge, event.getX()
        - lastX, event.getY() - lastY);

代码示例来源：origin: stackoverflow.com

<pre>
final float[] getPointerCoords(ImageView view, MotionEvent e)
{
  final int index = e.getActionIndex();
  final float[] coords = new float[] { e.getX(index), e.getY(index) };
  Matrix matrix = new Matrix();
  view.getImageMatrix().invert(matrix);
  matrix.postTranslate(view.getScrollX(), view.getScrollY());
  matrix.mapPoints(coords);
  return coords;
}
</pre>

代码示例来源：origin: stackoverflow.com

switch (event.getActionMasked()) {
  case MotionEvent.ACTION_DOWN:
    ptrID1 = event.getPointerId(event.getActionIndex());
    break;
  case MotionEvent.ACTION_POINTER_DOWN:
    ptrID2 = event.getPointerId(event.getActionIndex());
    sX = event.getX(event.findPointerIndex(ptrID1));
    sY = event.getY(event.findPointerIndex(ptrID1));

代码示例来源：origin: robolectric/robolectric

@Test
public void canGetActionIndex() {
 assertEquals(0, event.getActionIndex());
 shadowMotionEvent.setPointerIndex(1);
 assertEquals(1, event.getActionIndex());
}

代码示例来源：origin: aa112901/remusic

cancelEvent  
    .setAction(MotionEvent.ACTION_CANCEL  
        | (event.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));  
v.onTouchEvent(cancelEvent);

代码示例来源：origin: jdsjlzx/LRecyclerView

break;
case MotionEvent.ACTION_POINTER_DOWN:
  final int index = ev.getActionIndex();
  mActivePointerId = ev.getPointerId(index);
  mLastY = (int) ev.getY(index);

代码示例来源：origin: ZieIony/Carbon

break;
case MotionEvent.ACTION_POINTER_UP: {
  final int pointerIndex = event.getActionIndex();
  final int pointerId = event.getPointerId(pointerIndex);
  if (pointerId == mActivePointerId) {

代码示例来源：origin: scwang90/SmartRefreshLayout

final int skipIndex = pointerUp ? e.getActionIndex() : -1;