Example usage for android.view MotionEvent getPointerId

Introduction

In this page you can find the example usage for android.view MotionEvent getPointerId.

Prototype

public final int getPointerId(int pointerIndex) 

Source Link

Document

Return the pointer identifier associated with a particular pointer data index in this event.

Usage

From source file:com.android.incallui.widget.multiwaveview.GlowPadView.java

private void handleDown(MotionEvent event) {
    int actionIndex = event.getActionIndex();
    float eventX = event.getX(actionIndex);
    float eventY = event.getY(actionIndex);
    switchToState(STATE_START, eventX, eventY);
    if (!trySwitchToFirstTouchState(eventX, eventY)) {
        mDragging = false;//from  w w  w.  ja  v  a2 s.c o m
    } else {
        mPointerId = event.getPointerId(actionIndex);
        updateGlowPosition(eventX, eventY);
    }
}

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From source file:com.hardsoftstudio.anchorbottomsheet.AnchorSheetBehavior.java

@Override
public boolean onTouchEvent(CoordinatorLayout parent, V child, MotionEvent event) {
    if (!child.isShown()) {
        return false;
    }/*ww w. j av a 2 s  .  c om*/
    int action = MotionEventCompat.getActionMasked(event);
    if (mState == STATE_DRAGGING && action == MotionEvent.ACTION_DOWN) {
        return true;
    }
    mViewDragHelper.processTouchEvent(event);
    // Record the velocity
    if (action == MotionEvent.ACTION_DOWN) {
        reset();
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    // The ViewDragHelper tries to capture only the top-most View. We have to explicitly tell it
    // to capture the bottom sheet in case it is not captured and the touch slop is passed.
    if (action == MotionEvent.ACTION_MOVE && !mIgnoreEvents) {
        if (Math.abs(mInitialY - event.getY()) > mViewDragHelper.getTouchSlop()) {
            mViewDragHelper.captureChildView(child, event.getPointerId(event.getActionIndex()));
        }
    }
    return true;
}

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From source file:com.com.mytoolsproject.SwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    final int action = MotionEventCompat.getActionMasked(ev);
    int pointerIndex = -1;

    if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
        mReturningToStart = false;//from w  ww. ja va  2 s .com
    }

    if (!isEnabled() || mReturningToStart || canChildScrollUp() || mRefreshing || mNestedScrollInProgress) {
        // Fail fast if we're not in a state where a swipe is possible
        return false;
    }

    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mActivePointerId = ev.getPointerId(0);
        mIsBeingDragged = false;
        break;

    case MotionEvent.ACTION_MOVE: {
        pointerIndex = ev.findPointerIndex(mActivePointerId);
        if (pointerIndex < 0) {
            Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id.");
            return false;
        }

        final float y = ev.getY(pointerIndex);
        startDragging(y);
        //
        if (mIsBeingDragged) {
            //????
            final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
            if (overscrollTop > 0) {
                moveSpinner(overscrollTop);
            } else {
                return false;
            }
        }
        break;
    }
    case MotionEventCompat.ACTION_POINTER_DOWN: {
        pointerIndex = MotionEventCompat.getActionIndex(ev);
        if (pointerIndex < 0) {
            Log.e(LOG_TAG, "Got ACTION_POINTER_DOWN event but have an invalid action index.");
            return false;
        }
        mActivePointerId = ev.getPointerId(pointerIndex);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP:
        onSecondaryPointerUp(ev);
        break;

    case MotionEvent.ACTION_UP: {
        pointerIndex = ev.findPointerIndex(mActivePointerId);
        if (pointerIndex < 0) {
            Log.e(LOG_TAG, "Got ACTION_UP event but don't have an active pointer id.");
            return false;
        }

        if (mIsBeingDragged) {
            final float y = ev.getY(pointerIndex);
            final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
            mIsBeingDragged = false;
            finishSpinner(overscrollTop);
        }
        mActivePointerId = INVALID_POINTER;
        return false;
    }
    case MotionEvent.ACTION_CANCEL:
        return false;
    }

    return true;
}

---

From source file:com.tasomaniac.openwith.resolver.ResolverDrawerLayout.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    final int action = MotionEventCompat.getActionMasked(ev);

    if (action == MotionEvent.ACTION_DOWN) {
        mVelocityTracker.clear();//  w  w  w  .j a  va  2  s  . co  m
    }

    mVelocityTracker.addMovement(ev);

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX(0);
        final float y = ev.getY(0);
        mInitialTouchX = x;
        mInitialTouchY = mLastTouchY = y;
        mOpenOnClick = isListChildUnderClipped(x, y) && mCollapsibleHeight > 0;
    }
        break;

    case MotionEvent.ACTION_MOVE: {
        final float x = ev.getX(0);
        final float y = ev.getY(0);
        final float dy = y - mInitialTouchY;
        if (Math.abs(dy) > mTouchSlop && findChildUnder(x, y) != null
                && (getNestedScrollAxes() & ViewCompat.SCROLL_AXIS_VERTICAL) == 0) {
            mActivePointerId = ev.getPointerId(0);
            mIsDragging = true;
            mLastTouchY = Math.max(mLastTouchY - mTouchSlop,
                    Math.min(mLastTouchY + dy, mLastTouchY + mTouchSlop));
        }
    }
        break;

    case MotionEvent.ACTION_POINTER_UP: {
        onSecondaryPointerUp(ev);
    }
        break;

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP: {
        resetTouch();
    }
        break;
    }

    if (mIsDragging) {
        abortAnimation();
    }
    return mIsDragging || mOpenOnClick;
}

---

From source file:android.support.design.widget.BottomSheetBehavior.java

@Override
public boolean onTouchEvent(CoordinatorLayout parent, V child, MotionEvent event) {
    if (!child.isShown()) {
        return false;
    }/*w ww. ja v  a 2  s  .  c  o  m*/
    int action = MotionEventCompat.getActionMasked(event);
    if (mState == STATE_DRAGGING && action == MotionEvent.ACTION_DOWN) {
        return true;
    }
    mViewDragHelper.processTouchEvent(event);
    // Record the velocity
    if (action == MotionEvent.ACTION_DOWN) {
        reset();
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    // The ViewDragHelper tries to capture only the top-most View. We have to explicitly tell it
    // to capture the bottom sheet in case it is not captured and the touch slop is passed.
    if (action == MotionEvent.ACTION_MOVE && !mIgnoreEvents) {
        if (Math.abs(mInitialY - event.getY()) > mViewDragHelper.getTouchSlop()) {
            mViewDragHelper.captureChildView(child, event.getPointerId(event.getActionIndex()));
        }
    }
    return !mIgnoreEvents;
}

---

From source file:net.osmand.plus.widgets.tools.ExtendedBottomSheetBehavior.java

@Override
public boolean onTouchEvent(CoordinatorLayout parent, V child, MotionEvent event) {
    if (!child.isShown()) {
        return false;
    }//from w  w  w . j  av  a 2s  . c o  m
    int action = event.getActionMasked();
    if (mState == STATE_DRAGGING && action == MotionEvent.ACTION_DOWN) {
        return true;
    }
    mViewDragHelper.processTouchEvent(event);
    // Record the velocity
    if (action == MotionEvent.ACTION_DOWN) {
        reset();
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    // The ViewDragHelper tries to capture only the top-most View. We have to explicitly tell it
    // to capture the bottom sheet in case it is not captured and the touch slop is passed.
    if (action == MotionEvent.ACTION_MOVE && !mIgnoreEvents) {
        if (Math.abs(mInitialY - event.getY()) > mViewDragHelper.getTouchSlop()) {
            mViewDragHelper.captureChildView(child, event.getPointerId(event.getActionIndex()));
        }
    }
    return !mIgnoreEvents;
}

---

From source file:android.support.designox.widget.BottomSheetBehavior.java

@Override
public boolean onInterceptTouchEvent(CoordinatorLayout parent, V child, MotionEvent event) {
    if (!child.isShown()) {
        return false;
    }//from w  ww.j av  a 2  s .c  o  m
    int action = MotionEventCompat.getActionMasked(event);
    // Record the velocity
    if (action == MotionEvent.ACTION_DOWN) {
        reset();
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    switch (action) {
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        mTouchingScrollingChild = false;
        mActivePointerId = MotionEvent.INVALID_POINTER_ID;
        // Reset the ignore flag
        if (mIgnoreEvents) {
            mIgnoreEvents = false;
            return false;
        }
        break;
    case MotionEvent.ACTION_DOWN:
        int initialX = (int) event.getX();
        mInitialY = (int) event.getY();
        View scroll = mNestedScrollingChildRef.get();
        if (scroll != null && parent.isPointInChildBounds(scroll, initialX, mInitialY)) {
            mActivePointerId = event.getPointerId(event.getActionIndex());
            mTouchingScrollingChild = true;
        }
        mIgnoreEvents = mActivePointerId == MotionEvent.INVALID_POINTER_ID
                && !parent.isPointInChildBounds(child, initialX, mInitialY);
        break;
    }
    if (!mIgnoreEvents && mViewDragHelper.shouldInterceptTouchEvent(event)) {
        return true;
    }
    // We have to handle cases that the ViewDragHelper does not capture the bottom sheet because
    // it is not the top most view of its parent. This is not necessary when the touch event is
    // happening over the scrolling content as nested scrolling logic handles that case.
    View scroll = mNestedScrollingChildRef.get();
    return action == MotionEvent.ACTION_MOVE && scroll != null && !mIgnoreEvents && mState != STATE_DRAGGING
            && !parent.isPointInChildBounds(scroll, (int) event.getX(), (int) event.getY())
            && Math.abs(mInitialY - event.getY()) > mViewDragHelper.getTouchSlop();
}

---

From source file:com.devexweb.googlemapsapi.lib.BottomSheetBehaviorGoogleMapsLike.java

@Override
public boolean onInterceptTouchEvent(CoordinatorLayout parent, V child, MotionEvent event) {
    if (!child.isShown()) {
        return false;
    }/*from   ww w  .jav  a 2  s  .  co  m*/
    int action = MotionEventCompat.getActionMasked(event);
    // Record the velocity
    if (action == MotionEvent.ACTION_DOWN) {
        reset();
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    switch (action) {
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        mTouchingScrollingChild = false;
        mActivePointerId = MotionEvent.INVALID_POINTER_ID;
        // Reset the ignore flag
        if (mIgnoreEvents) {
            mIgnoreEvents = false;
            return false;
        }
        break;
    case MotionEvent.ACTION_DOWN:
        int initialX = (int) event.getX();
        mInitialY = (int) event.getY();
        if (mState == STATE_ANCHOR_POINT) {
            mActivePointerId = event.getPointerId(event.getActionIndex());
            mTouchingScrollingChild = true;
        } else {
            View scroll = mNestedScrollingChildRef.get();
            if (scroll != null && parent.isPointInChildBounds(scroll, initialX, mInitialY)) {
                mActivePointerId = event.getPointerId(event.getActionIndex());
                mTouchingScrollingChild = true;
            }
        }
        mIgnoreEvents = mActivePointerId == MotionEvent.INVALID_POINTER_ID
                && !parent.isPointInChildBounds(child, initialX, mInitialY);
        break;
    }
    if (!mIgnoreEvents && mViewDragHelper.shouldInterceptTouchEvent(event)) {
        return true;
    }
    // We have to handle cases that the ViewDragHelper does not capture the bottom sheet because
    // it is not the top most view of its parent. This is not necessary when the touch event is
    // happening over the scrolling content as nested scrolling logic handles that case.
    View scroll = mNestedScrollingChildRef.get();
    return action == MotionEvent.ACTION_MOVE && scroll != null && !mIgnoreEvents && mState != STATE_DRAGGING
            && !parent.isPointInChildBounds(scroll, (int) event.getX(), (int) event.getY())
            && Math.abs(mInitialY - event.getY()) > mViewDragHelper.getTouchSlop();
}

---

From source file:com.k.xdiary.views.MySwipeRefreshLayout.MySwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    final int action = MotionEventCompat.getActionMasked(ev);
    int pointerIndex = -1;

    if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
        mReturningToStart = false;/*  w  ww.j a  v  a2 s.c o m*/
    }

    if (!isEnabled() || mReturningToStart || canChildScrollUp() || mRefreshing || mNestedScrollInProgress) {
        // Fail fast if we're not in a state where a swipe is possible
        return false;
    }

    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mActivePointerId = ev.getPointerId(0);
        mIsBeingDragged = false;
        break;

    case MotionEvent.ACTION_MOVE: {
        pointerIndex = ev.findPointerIndex(mActivePointerId);
        if (pointerIndex < 0) {
            Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id.");
            return false;
        }

        final float y = ev.getY(pointerIndex);
        startDragging(y);

        if (mIsBeingDragged) {
            final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
            if (overscrollTop > 0) {
                moveSpinner(overscrollTop);
            } else {
                return false;
            }
        }
        break;
    }
    case MotionEventCompat.ACTION_POINTER_DOWN: {
        pointerIndex = MotionEventCompat.getActionIndex(ev);
        if (pointerIndex < 0) {
            Log.e(LOG_TAG, "Got ACTION_POINTER_DOWN event but have an invalid action index.");
            return false;
        }
        mActivePointerId = ev.getPointerId(pointerIndex);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP:
        onSecondaryPointerUp(ev);
        break;

    case MotionEvent.ACTION_UP: {
        pointerIndex = ev.findPointerIndex(mActivePointerId);
        if (pointerIndex < 0) {
            Log.e(LOG_TAG, "Got ACTION_UP event but don't have an active pointer id.");
            return false;
        }

        if (mIsBeingDragged) {
            final float y = ev.getY(pointerIndex);
            final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
            mIsBeingDragged = false;
            finishSpinner(overscrollTop);
        }
        mActivePointerId = INVALID_POINTER;
        return false;
    }
    case MotionEvent.ACTION_CANCEL:
        return false;
    }

    return true;
}

---

From source file:com.commonsware.cwac.crossport.design.widget.BottomSheetBehavior.java

@Override
public boolean onTouchEvent(CoordinatorLayout parent, V child, MotionEvent event) {
    if (!child.isShown()) {
        return false;
    }/* w  ww.  j  a  va 2 s . c  om*/
    int action = event.getActionMasked();
    if (mState == STATE_DRAGGING && action == MotionEvent.ACTION_DOWN) {
        return true;
    }
    if (mViewDragHelper != null) {
        mViewDragHelper.processTouchEvent(event);
    }
    // Record the velocity
    if (action == MotionEvent.ACTION_DOWN) {
        reset();
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    // The ViewDragHelper tries to capture only the top-most View. We have to explicitly tell it
    // to capture the bottom sheet in case it is not captured and the touch slop is passed.
    if (action == MotionEvent.ACTION_MOVE && !mIgnoreEvents) {
        if (Math.abs(mInitialY - event.getY()) > mViewDragHelper.getTouchSlop()) {
            mViewDragHelper.captureChildView(child, event.getPointerId(event.getActionIndex()));
        }
    }
    return !mIgnoreEvents;
}

---

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