Java Code Examples for android.view.MotionEvent#getPointerId()
The following examples show how to use
android.view.MotionEvent#getPointerId() .
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Example 1
| Source File: PagedView.java From TurboLauncher with Apache License 2.0 | 6 votes |
|
private void onSecondaryPointerUp(MotionEvent ev) {
final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >>
MotionEvent.ACTION_POINTER_INDEX_SHIFT;
final int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
// TODO: Make this decision more intelligent.
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mLastMotionX = mDownMotionX = ev.getX(newPointerIndex);
mLastMotionY = ev.getY(newPointerIndex);
mLastMotionXRemainder = 0;
mActivePointerId = ev.getPointerId(newPointerIndex);
if (mVelocityTracker != null) {
mVelocityTracker.clear();
}
}
}
Example 2
| Source File: MoreKeysKeyboardView.java From simple-keyboard with Apache License 2.0 | 6 votes |
|
@Override
public boolean onTouchEvent(final MotionEvent me) {
final int action = me.getActionMasked();
final int index = me.getActionIndex();
final int x = (int)me.getX(index);
final int y = (int)me.getY(index);
final int pointerId = me.getPointerId(index);
switch (action) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_POINTER_DOWN:
onDownEvent(x, y, pointerId);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_POINTER_UP:
onUpEvent(x, y, pointerId);
break;
case MotionEvent.ACTION_MOVE:
onMoveEvent(x, y, pointerId);
break;
}
return true;
}
Example 3
| Source File: MoreKeysKeyboardAccessibilityDelegate.java From Indic-Keyboard with Apache License 2.0 | 5 votes |
|
@Override
protected void onHoverExit(final MotionEvent event) {
final Key lastKey = getLastHoverKey();
if (DEBUG_HOVER) {
Log.d(TAG, "onHoverExit: key=" + getHoverKeyOf(event) + " last=" + lastKey);
}
if (lastKey != null) {
super.onHoverExitFrom(lastKey);
}
setLastHoverKey(null);
final int actionIndex = event.getActionIndex();
final int x = (int)event.getX(actionIndex);
final int y = (int)event.getY(actionIndex);
final int pointerId = event.getPointerId(actionIndex);
final long eventTime = event.getEventTime();
// A hover exit event at one pixel width or height area on the edges of more keys keyboard
// are treated as closing.
mMoreKeysKeyboardValidBounds.set(0, 0, mKeyboardView.getWidth(), mKeyboardView.getHeight());
mMoreKeysKeyboardValidBounds.inset(CLOSING_INSET_IN_PIXEL, CLOSING_INSET_IN_PIXEL);
if (mMoreKeysKeyboardValidBounds.contains(x, y)) {
// Invoke {@link MoreKeysKeyboardView#onUpEvent(int,int,int,long)} as if this hover
// exit event selects a key.
mKeyboardView.onUpEvent(x, y, pointerId, eventTime);
// TODO: Should fix this reference. This is a hack to clear the state of
// {@link PointerTracker}.
PointerTracker.dismissAllMoreKeysPanels();
return;
}
// Close the more keys keyboard.
// TODO: Should fix this reference. This is a hack to clear the state of
// {@link PointerTracker}.
PointerTracker.dismissAllMoreKeysPanels();
}
Example 4
| Source File: ScaleDragDetector.java From MusicPlayer with GNU General Public License v3.0 | 5 votes |
|
private void onTouchActivePointer(int action, MotionEvent ev) {
switch (action) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = ev.getPointerId(0);
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
mActivePointerId = INVALID_POINTER_ID;
break;
case MotionEvent.ACTION_POINTER_UP:
//final int pointerIndex = MotionEventCompat.getActionIndex(ev);
//final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
final int pointerIndex = ev.getActionIndex();
final int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
final int newPointerIndex = (pointerIndex == 0) ? 1 : 0;
mActivePointerId = ev.getPointerId(newPointerIndex);
mLastTouchX = ev.getX(newPointerIndex);
mLastTouchY = ev.getY(newPointerIndex);
}
break;
}
mActivePointerIndex =
ev.findPointerIndex(mActivePointerId != INVALID_POINTER_ID ? mActivePointerId : 0);
}
Example 5
| Source File: VersionedGestureDetector.java From Study_Android_Demo with Apache License 2.0 | 5 votes |
|
@Override
public boolean onTouchEvent(MotionEvent ev) {
final int action = ev.getAction();
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = ev.getPointerId(0);
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
mActivePointerId = INVALID_POINTER_ID;
break;
case MotionEvent.ACTION_POINTER_UP:
final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
final int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mActivePointerId = ev.getPointerId(newPointerIndex);
mLastTouchX = ev.getX(newPointerIndex);
mLastTouchY = ev.getY(newPointerIndex);
}
break;
}
mActivePointerIndex = ev.findPointerIndex(mActivePointerId != INVALID_POINTER_ID ? mActivePointerId : 0);
return super.onTouchEvent(ev);
}
Example 6
| Source File: SwipeHelper.java From SmartSwipe with Apache License 2.0 | 5 votes |
|
private void saveLastMotion(MotionEvent ev) {
final int pointerCount = ev.getPointerCount();
for (int i = 0; i < pointerCount; i++) {
final int pointerId = ev.getPointerId(i);
// If pointer is invalid then skip saving on ACTION_MOVE.
if (!isValidPointerForActionMove(pointerId)) {
continue;
}
final float x = ev.getX(i);
final float y = ev.getY(i);
mLastMotionX[pointerId] = x;
mLastMotionY[pointerId] = y;
}
}
Example 7
| Source File: EclairGestureDetector.java From android-project-wo2b with Apache License 2.0 | 5 votes |
|
@Override
public boolean onTouchEvent(MotionEvent ev) {
final int action = ev.getAction();
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = ev.getPointerId(0);
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
mActivePointerId = INVALID_POINTER_ID;
break;
case MotionEvent.ACTION_POINTER_UP:
// Ignore deprecation, ACTION_POINTER_ID_MASK and
// ACTION_POINTER_ID_SHIFT has same value and are deprecated
// You can have either deprecation or lint target api warning
final int pointerIndex = Compat.getPointerIndex(ev.getAction());
final int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mActivePointerId = ev.getPointerId(newPointerIndex);
mLastTouchX = ev.getX(newPointerIndex);
mLastTouchY = ev.getY(newPointerIndex);
}
break;
}
mActivePointerIndex = ev
.findPointerIndex(mActivePointerId != INVALID_POINTER_ID ? mActivePointerId
: 0);
return super.onTouchEvent(ev);
}
Example 8
| Source File: EclairGestureDetector.java From Tweetin with Apache License 2.0 | 5 votes |
|
@Override
public boolean onTouchEvent(MotionEvent ev) {
final int action = ev.getAction();
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = ev.getPointerId(0);
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
mActivePointerId = INVALID_POINTER_ID;
break;
case MotionEvent.ACTION_POINTER_UP:
// Ignore deprecation, ACTION_POINTER_ID_MASK and
// ACTION_POINTER_ID_SHIFT has same value and are deprecated
// You can have either deprecation or lint target api warning
final int pointerIndex = Compat.getPointerIndex(ev.getAction());
final int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mActivePointerId = ev.getPointerId(newPointerIndex);
mLastTouchX = ev.getX(newPointerIndex);
mLastTouchY = ev.getY(newPointerIndex);
}
break;
}
mActivePointerIndex = ev
.findPointerIndex(mActivePointerId != INVALID_POINTER_ID ? mActivePointerId
: 0);
return super.onTouchEvent(ev);
}
Example 9
| Source File: EclairGestureDetector.java From ZoomPreviewPicture with Apache License 2.0 | 5 votes |
|
@Override
public boolean onTouchEvent(MotionEvent ev) {
final int action = ev.getAction();
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = ev.getPointerId(0);
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
mActivePointerId = INVALID_POINTER_ID;
break;
case MotionEvent.ACTION_POINTER_UP:
// Ignore deprecation, ACTION_POINTER_ID_MASK and
// ACTION_POINTER_ID_SHIFT has same value and are deprecated
// You can have either deprecation or lint target api warning
final int pointerIndex = Compat.getPointerIndex(ev.getAction());
final int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mActivePointerId = ev.getPointerId(newPointerIndex);
mLastTouchX = ev.getX(newPointerIndex);
mLastTouchY = ev.getY(newPointerIndex);
}
break;
}
mActivePointerIndex = ev
.findPointerIndex(mActivePointerId != INVALID_POINTER_ID ? mActivePointerId
: 0);
try {
return super.onTouchEvent(ev);
} catch (IllegalArgumentException e) {
// Fix for support lib bug, happening when onDestroy is
return true;
}
}
Example 10
| Source File: FlipViewPager.java From Travel-Mate with MIT License | 5 votes |
|
private void onSecondaryPointerUp(MotionEvent ev) {
int pointerIndex = ev.getActionIndex();
int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mLastMotionX = ev.getX(newPointerIndex);
mActivePointerId = ev.getPointerId(newPointerIndex);
if (mVelocityTracker != null)
mVelocityTracker.clear();
}
}
Example 11
| Source File: PullToZoomListView.java From UltimateAndroid with Apache License 2.0 | 5 votes |
|
private void onSecondaryPointerUp(MotionEvent paramMotionEvent) {
int i = (paramMotionEvent.getAction()) >> 8;
if (paramMotionEvent.getPointerId(i) == this.mActivePointerId)
if (i != 0) {
int j = 1;
this.mLastMotionY = paramMotionEvent.getY(0);
this.mActivePointerId = paramMotionEvent.getPointerId(0);
return;
}
}
Example 12
| Source File: RxCardStackView.java From RxTools-master with Apache License 2.0 | 5 votes |
|
private void onSecondaryPointerUp(MotionEvent ev) {
final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >>
MotionEvent.ACTION_POINTER_INDEX_SHIFT;
final int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mLastMotionY = (int) ev.getY(newPointerIndex);
mActivePointerId = ev.getPointerId(newPointerIndex);
if (mVelocityTracker != null) {
mVelocityTracker.clear();
}
}
}
Example 13
| Source File: SquareCameraPreview.java From pause-resume-video-recording with Apache License 2.0 | 5 votes |
|
@Override
public boolean onTouchEvent(MotionEvent event) {
mScaleDetector.onTouchEvent(event);
final int action = event.getAction();
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN: {
mIsFocus = true;
mLastTouchX = event.getX();
mLastTouchY = event.getY();
mActivePointerId = event.getPointerId(0);
break;
}
case MotionEvent.ACTION_UP: {
if (mIsFocus) {
handleFocus(mCamera.getParameters());
}
mActivePointerId = INVALID_POINTER_ID;
break;
}
case MotionEvent.ACTION_POINTER_DOWN: {
mCamera.cancelAutoFocus();
mIsFocus = false;
break;
}
case MotionEvent.ACTION_CANCEL: {
mActivePointerId = INVALID_POINTER_ID;
break;
}
}
return true;
}
Example 14
| Source File: EventResolver.java From PullRefreshView with Apache License 2.0 | 4 votes |
|
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
c.setScrollState(FlingLayout.SCROLL_STATE_TOUCH_SCROLL);
acquireVelocityTracker(ev);
int pointerCount = ev.getPointerCount();
int pointerIndex = ev.getActionIndex();
switch (ev.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
mPointerId = ev.getPointerId(pointerIndex);
float x = ev.getX(pointerIndex);
float y = ev.getY(pointerIndex);
tepmY = downY = y;
tepmX = downX = x;
if (!isNestedScrollingEnabled()) {
float moveP = c.getMoveP();
if (moveP != 0) {
return true;
}
}
break;
case MotionEvent.ACTION_POINTER_DOWN:
mPointerId = ev.getPointerId(pointerIndex);
tepmX = ev.getX(pointerIndex);
tepmY = ev.getY(pointerIndex);
break;
case MotionEvent.ACTION_MOVE:
pointerIndex = ev.findPointerIndex(mPointerId);
float mx;
float my;
if (pointerCount > pointerIndex && pointerIndex >= 0) {
mx = ev.getX(pointerIndex);
my = ev.getY(pointerIndex);
} else {
mx = ev.getX();
my = ev.getY();
}
//意图分析，避免误操作
float _tepmX = tepmX;
float _tepmY = tepmY;
tepmX = mx;
tepmY = my;
if (!isNestedScrollingEnabled()) {
if (tryToMove(ev, _tepmX, _tepmY, mx, my)) {
return true;
}
}
break;
case MotionEvent.ACTION_UP:
createVelocity(ev);
case MotionEvent.ACTION_CANCEL:
if (!isNestedScrollingEnabled()) {
c.startRelease();
isScrolling = false;
}
releaseVelocityTracker();
break;
case MotionEvent.ACTION_POINTER_UP:
// 获取离开屏幕的手指的索引
int pointerIdLeave = ev.getPointerId(pointerIndex);
if (mPointerId == pointerIdLeave) {
// 离开屏幕的正是目前的有效手指，此处需要重新调整，并且需要重置VelocityTracker
int reIndex = pointerIndex == 0 ? 1 : 0;
mPointerId = ev.getPointerId(reIndex);
// 调整触摸位置，防止出现跳动
tepmX = ev.getX(reIndex);
tepmY = ev.getY(reIndex);
}
}
return c.superDispatchTouchEvent(ev) || isScrolling;
}
Example 15
| Source File: Joystick.java From Bugstick with MIT License | 4 votes |
|
@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
if (!isEnabled()) return false;
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN: {
if (detectingDrag || !hasStick()) return false;
downX = event.getX(0);
downY = event.getY(0);
activePointerId = event.getPointerId(0);
onStartDetectingDrag();
break;
}
case MotionEvent.ACTION_MOVE: {
if (INVALID_POINTER_ID == activePointerId) break;
if (detectingDrag && dragExceedsSlop(event)) {
onDragStart();
return true;
}
break;
}
case MotionEvent.ACTION_POINTER_UP: {
final int pointerIndex = event.getActionIndex();
final int pointerId = event.getPointerId(pointerIndex);
if (pointerId != activePointerId)
break; // if active pointer, fall through and cancel!
}
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP: {
onTouchEnded();
onStopDetectingDrag();
break;
}
}
return false;
}
Example 16
| Source File: MusicKeyboardView.java From android-midisuite with Apache License 2.0 | 4 votes |
|
@TargetApi(Build.VERSION_CODES.FROYO)
@Override
public boolean onTouchEvent(MotionEvent event) {
super.onTouchEvent(event);
int action = event.getActionMasked();
// Track individual fingers.
int pointerIndex = event.getActionIndex();
int id = event.getPointerId(pointerIndex);
// Get the pointer's current position
float x = event.getX(pointerIndex);
float y = event.getY(pointerIndex);
// Some devices can return negative x or y, which can cause an array exception.
x = Math.max(x, 0.0f);
y = Math.max(y, 0.0f);
boolean handled = false;
switch (action) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_POINTER_DOWN:
onFingerDown(id, x, y);
handled = true;
break;
case MotionEvent.ACTION_MOVE:
int pointerCount = event.getPointerCount();
for (int i = 0; i < pointerCount; i++) {
id = event.getPointerId(i);
x = event.getX(i);
y = event.getY(i);
x = Math.max(x, 0.0f);
y = Math.max(y, 0.0f);
onFingerMove(id, x, y);
}
handled = true;
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_POINTER_UP:
onFingerUp(id, x, y);
handled = true;
break;
case MotionEvent.ACTION_CANCEL:
onAllFingersUp();
handled = true;
break;
default:
break;
}
// Must return true or we do not get the ACTION_MOVE and
// ACTION_UP events.
return true;
}
Example 17
| Source File: ItemTouchHelper.java From Telegram with GNU General Public License v2.0 | 4 votes |
|
/**
* Checks whether we should select a View for swiping.
*/
@SuppressWarnings("WeakerAccess") /* synthetic access */
void checkSelectForSwipe(int action, MotionEvent motionEvent, int pointerIndex) {
if (mSelected != null || action != MotionEvent.ACTION_MOVE
|| mActionState == ACTION_STATE_DRAG || !mCallback.isItemViewSwipeEnabled()) {
return;
}
if (mRecyclerView.getScrollState() == RecyclerView.SCROLL_STATE_DRAGGING) {
return;
}
final ViewHolder vh = findSwipedView(motionEvent);
if (vh == null) {
return;
}
final int movementFlags = mCallback.getAbsoluteMovementFlags(mRecyclerView, vh);
final int swipeFlags = (movementFlags & ACTION_MODE_SWIPE_MASK)
>> (DIRECTION_FLAG_COUNT * ACTION_STATE_SWIPE);
if (swipeFlags == 0) {
return;
}
// mDx and mDy are only set in allowed directions. We use custom x/y here instead of
// updateDxDy to avoid swiping if user moves more in the other direction
final float x = motionEvent.getX(pointerIndex);
final float y = motionEvent.getY(pointerIndex);
// Calculate the distance moved
final float dx = x - mInitialTouchX;
final float dy = y - mInitialTouchY;
// swipe target is chose w/o applying flags so it does not really check if swiping in that
// direction is allowed. This why here, we use mDx mDy to check slope value again.
final float absDx = Math.abs(dx);
final float absDy = Math.abs(dy);
if (absDx < mSlop && absDy < mSlop) {
return;
}
if (absDx > absDy) {
if (dx < 0 && (swipeFlags & LEFT) == 0) {
return;
}
if (dx > 0 && (swipeFlags & RIGHT) == 0) {
return;
}
} else {
if (dy < 0 && (swipeFlags & UP) == 0) {
return;
}
if (dy > 0 && (swipeFlags & DOWN) == 0) {
return;
}
}
mDx = mDy = 0f;
mActivePointerId = motionEvent.getPointerId(0);
select(vh, ACTION_STATE_SWIPE);
}
Example 18
| Source File: ItemTouchHelper.java From Telegram with GNU General Public License v2.0 | 4 votes |
|
@Override
public void onTouchEvent(@NonNull RecyclerView recyclerView, @NonNull MotionEvent event) {
mGestureDetector.onTouchEvent(event);
if (DEBUG) {
Log.d(TAG,
"on touch: x:" + mInitialTouchX + ",y:" + mInitialTouchY + ", :" + event);
}
if (mVelocityTracker != null) {
mVelocityTracker.addMovement(event);
}
if (mActivePointerId == ACTIVE_POINTER_ID_NONE) {
return;
}
final int action = event.getActionMasked();
final int activePointerIndex = event.findPointerIndex(mActivePointerId);
if (activePointerIndex >= 0) {
checkSelectForSwipe(action, event, activePointerIndex);
}
ViewHolder viewHolder = mSelected;
if (viewHolder == null) {
return;
}
switch (action) {
case MotionEvent.ACTION_MOVE: {
// Find the index of the active pointer and fetch its position
if (activePointerIndex >= 0) {
updateDxDy(event, mSelectedFlags, activePointerIndex);
moveIfNecessary(viewHolder);
mRecyclerView.removeCallbacks(mScrollRunnable);
mScrollRunnable.run();
mRecyclerView.invalidate();
}
break;
}
case MotionEvent.ACTION_CANCEL:
if (mVelocityTracker != null) {
mVelocityTracker.clear();
}
// fall through
case MotionEvent.ACTION_UP:
select(null, ACTION_STATE_IDLE);
mActivePointerId = ACTIVE_POINTER_ID_NONE;
break;
case MotionEvent.ACTION_POINTER_UP: {
final int pointerIndex = event.getActionIndex();
final int pointerId = event.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mActivePointerId = event.getPointerId(newPointerIndex);
updateDxDy(event, mSelectedFlags, pointerIndex);
}
break;
}
}
}
Example 19
| Source File: FireworkyPullToRefreshLayout.java From FireworkyPullToRefresh with MIT License | 4 votes |
|
@Override
public boolean onInterceptTouchEvent(MotionEvent motionEvent) {
if (!isEnabled() || canChildScrollUp() || mIsRefreshing) {
return false;
}
switch (MotionEventCompat.getActionMasked(motionEvent)) {
case MotionEvent.ACTION_DOWN:
setTargetOffsetTop(0, true);
mActivePointerId = motionEvent.getPointerId(0);
mIsBeingDragged = false;
final float initialMotionY = getMotionEventY(motionEvent, mActivePointerId);
if (initialMotionY == -1f) {
return false;
}
mInitialMotionY = initialMotionY;
break;
case MotionEvent.ACTION_MOVE:
if (mActivePointerId == INVALID_POINTER_ID) {
return false;
}
final float y = getMotionEventY(motionEvent, mActivePointerId);
if (y == -1f) {
return false;
}
final float yDiff = y - mInitialMotionY;
if (yDiff > mTouchSlop && !mIsBeingDragged) {
mIsBeingDragged = true;
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mIsBeingDragged = false;
mActivePointerId = INVALID_POINTER_ID;
break;
case MotionEvent.ACTION_POINTER_UP:
onSecondaryPointerUp(motionEvent);
break;
}
return mIsBeingDragged;
}
Example 20
| Source File: PageRecyclerView.java From RecyclerPager with Apache License 2.0 | 4 votes |
|
@Override public boolean onInterceptTouchEvent(MotionEvent e) {
final int action = e.getActionMasked();
final int actionIndex = e.getActionIndex();
switch (action) {
case MotionEvent.ACTION_DOWN:
mScrollPointerId = e.getPointerId(0);
mInitialTouchX = (int) (e.getX() + 0.5f);
mInitialTouchY = (int) (e.getY() + 0.5f);
return super.onInterceptTouchEvent(e);
case MotionEvent.ACTION_POINTER_DOWN:
mScrollPointerId = e.getPointerId(actionIndex);
mInitialTouchX = (int) (e.getX(actionIndex) + 0.5f);
mInitialTouchY = (int) (e.getY(actionIndex) + 0.5f);
return super.onInterceptTouchEvent(e);
case MotionEvent.ACTION_MOVE: {
final int index = e.findPointerIndex(mScrollPointerId);
if (index < 0) {
return false;
}
final int x = (int) (e.getX(actionIndex) + 0.5f);
final int y = (int) (e.getY(actionIndex) + 0.5f);
LayoutManager layoutManager = getLayoutManager();
if (layoutManager != null && getScrollState() != SCROLL_STATE_DRAGGING) {
final int dx = x - mInitialTouchX;
final int dy = y - mInitialTouchY;
final boolean canScrollHorizontally = layoutManager.canScrollHorizontally();
final boolean canScrollVertically = layoutManager.canScrollVertically();
boolean startScroll = false;
if (canScrollHorizontally && Math.abs(dx) > mTouchSlop && (Math.abs(dx) * 0.5f
>= Math.abs(dy) || canScrollVertically)) {
startScroll = true;
}
if (canScrollVertically && Math.abs(dy) > mTouchSlop && (Math.abs(dy) * 0.5f
>= Math.abs(dx) || canScrollHorizontally)) {
startScroll = true;
}
return startScroll && super.onInterceptTouchEvent(e);
}
return super.onInterceptTouchEvent(e);
}
default:
return super.onInterceptTouchEvent(e);
}
}
