Example usage for android.view MotionEvent getX

Introduction

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

Prototype

public final float getX(int pointerIndex) 

Source Link

Document

Returns the X coordinate of this event for the given pointer index (use #getPointerId(int) to find the pointer identifier for this index).

Usage

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

private void handleCancel(MotionEvent event) {
    if (DEBUG && mDragging)
        Log.v(TAG, "** Handle CANCEL");

    // We should drop the active target here but it interferes with
    // moving off the screen in the direction of the navigation bar. At some point we may
    // want to revisit how we handle this. For now we'll allow a canceled event to
    // activate the current target.

    // mActiveTarget = -1; // Drop the active target if canceled.

    int actionIndex = event.findPointerIndex(mPointerId);
    actionIndex = actionIndex == -1 ? 0 : actionIndex;
    switchToState(STATE_FINISH, event.getX(actionIndex), event.getY(actionIndex));
}

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From source file:com.aviary.android.feather.sdk.widget.AviaryWorkspace.java

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 = ev.getX(newPointerIndex);
        mLastMotionX2 = ev.getX(newPointerIndex);
        mLastMotionY = ev.getY(newPointerIndex);
        mActivePointerId = ev.getPointerId(newPointerIndex);
        if (mVelocityTracker != null) {
            mVelocityTracker.clear();/* w ww. ja v  a 2 s.  com*/
        }
    }
}

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From source file:cnedu.ustcjd.widget.MultiSlider.java

private int getValue(MotionEvent event, int pointerIndex, Thumb thumb) {
    final int width = getWidth();
    final int available = getAvailable();

    int optThumbOffset = getThumbOptOffset(thumb);

    int x = (int) event.getX(pointerIndex);
    float scale;// ww  w.j  a  v a 2 s .c  o m
    float progress = mScaleMin;
    if (isLayoutRtl()) {
        if (x > width - getPaddingRight()) {
            scale = 0.0f;
        } else if (x < getPaddingLeft()) {
            scale = 1.0f;
        } else {
            scale = (float) (available - x + getPaddingLeft() + optThumbOffset) / (float) available;
            progress = mScaleMin;
        }
    } else {
        if (x < getPaddingLeft()) {
            scale = 0.0f;
        } else if (x > width - getPaddingRight()) {
            scale = 1.0f;
        } else {
            scale = (float) (x - getPaddingLeft() - optThumbOffset) / (float) available;
            progress = mScaleMin;
        }
    }

    progress += scale * getScaleSize();

    return Math.round(progress);
}

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From source file:com.android.launcher2.PagedView.java

protected void determineScrollingStart(MotionEvent ev, float touchSlopScale) {
    /*/*  w w w .  j  av a  2s .co m*/
     * Locally do absolute value. mLastMotionX is set to the y value
     * of the down event.
     */
    final int pointerIndex = ev.findPointerIndex(mActivePointerId);
    if (pointerIndex == -1) {
        return;
    }
    final float x = ev.getX(pointerIndex);
    final float y = ev.getY(pointerIndex);
    final int xDiff = (int) Math.abs(x - mLastMotionX);
    final int yDiff = (int) Math.abs(y - mLastMotionY);

    final int touchSlop = Math.round(touchSlopScale * mTouchSlop);
    boolean xPaged = xDiff > mPagingTouchSlop;
    boolean xMoved = xDiff > touchSlop;
    boolean yMoved = yDiff > touchSlop;

    if (xMoved || xPaged || yMoved) {
        if (mUsePagingTouchSlop ? xPaged : xMoved) {
            // Scroll if the user moved far enough along the X axis
            mTouchState = TOUCH_STATE_SCROLLING;
            mTotalMotionX += Math.abs(mLastMotionX - x);
            mLastMotionX = x;
            mLastMotionXRemainder = 0;
            mTouchX = getScrollX();
            mSmoothingTime = System.nanoTime() / NANOTIME_DIV;
            pageBeginMoving();
        }
        // Either way, cancel any pending longpress
        cancelCurrentPageLongPress();
    }
}

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From source file:com.example.SmartBoard.DrawingView.java

public boolean onTouchDragEvent(MotionEvent event) {

    boolean handled = false;

    JSONObject mObjectTouched;// w w  w .ja v a  2s  . co  m
    int X;
    int Y;
    int pointerId;
    int actionIndex = event.getActionIndex();

    //get coordinates and make object transparent
    switch (event.getActionMasked()) {
    case MotionEvent.ACTION_DOWN:
        dragFinished = false;

        //it's the first pointer, so clear all existing pointers data
        mObjectPointers.clear();
        X = (int) event.getX(actionIndex);
        Y = (int) event.getY(actionIndex);
        dragX = X;
        dragY = Y;
        String objectType = "";
        //check if we've touched inside some object
        mObjectTouched = getTouchedObject(X, Y);

        if (mObjectTouched == null) {
            return true;
        } else {
            objectType = getObjectType(mObjectTouched);
        }

        if (objectType.compareTo("Circle") == 0) {
            try {
                mObjectTouched.put("x", X);
                mObjectTouched.put("y", Y);

            } catch (JSONException e) {
                e.printStackTrace();

            }
        } else if (objectType.compareTo("Rectangle") == 0) {
            Rect tempRect = Rect.unflattenFromString(mObjectTouched.optString("dimens"));
            tempRect.set(X, Y, X + tempRect.width(), Y + tempRect.height());
            try {
                mObjectTouched.put("dimens", tempRect.flattenToString());
            } catch (JSONException e) {

            }

        } else if (objectType.compareTo("Line") == 0) {

            if (lengthOfLine(X, Y, mObjectTouched.optInt("startx"),
                    mObjectTouched.optInt("starty")) < lengthOfLine(X, Y, mObjectTouched.optInt("stopx"),
                            mObjectTouched.optInt("stopy"))) {

                try {
                    mObjectTouched.put("startx", X);
                    mObjectTouched.put("starty", Y);
                    mObjectTouched.put("length",
                            lengthOfLine(X, Y, mObjectTouched.optInt("stopx"), mObjectTouched.optInt("stopy")));

                } catch (JSONException e) {
                    e.printStackTrace();
                }
                dragLineStart = true;
            } else {
                try {
                    mObjectTouched.put("stopx", X);
                    mObjectTouched.put("stopy", Y);
                    mObjectTouched.put("length", lengthOfLine(X, Y, mObjectTouched.optInt("startx"),
                            mObjectTouched.optInt("starty")));

                } catch (JSONException e) {
                    e.printStackTrace();
                }
                dragLineStart = false;
            }

        } else if (objectType.compareTo("Text") == 0) {
            try {
                mObjectTouched.put("x", X);
                mObjectTouched.put("y", Y);
                Rect tempRect = Rect.unflattenFromString(mObjectTouched.getString("region"));
                tempRect.set(X, Y, tempRect.width() + X, tempRect.height() + Y);
                mObjectTouched.put("region", tempRect.flattenToString());
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }

        mObjectPointers.put(event.getPointerId(0), mObjectTouched);
        if (mObjectTouched != null) {
            mqtt.publishObject(mObjectTouched);
        }
        invalidate();
        handled = true;
        break;

    case MotionEvent.ACTION_POINTER_DOWN:
        break;
    case MotionEvent.ACTION_MOVE:
        dragFinished = false;

        final int pointerCount = event.getPointerCount();

        for (actionIndex = 0; actionIndex < pointerCount; actionIndex++) {
            //some pointer has moved, search it by pointer id
            pointerId = event.getPointerId(actionIndex);
            X = (int) event.getX(actionIndex);
            Y = (int) event.getY(actionIndex);

            dragX = X;
            dragY = Y;

            mObjectTouched = mObjectPointers.get(pointerId);
            if (mObjectTouched == null)
                continue; // if null no object was touched so skip

            if (mObjectTouched.optString("type").compareTo("Circle") == 0) {
                try {
                    mObjectTouched.put("x", X);
                    mObjectTouched.put("y", Y);
                } catch (JSONException e) {
                }
            } else if (mObjectTouched.optString("type").compareTo("Rectangle") == 0) {

                Rect tempRect = Rect.unflattenFromString(mObjectTouched.optString("dimens"));
                tempRect.set(X, Y, X + tempRect.width(), Y + tempRect.height());
                try {
                    mObjectTouched.put("dimens", tempRect.flattenToString());
                } catch (JSONException e) {

                }

            } else if (mObjectTouched.optString("type").compareTo("Text") == 0) {
                try {
                    mObjectTouched.put("x", X);
                    mObjectTouched.put("y", Y);
                    Rect tempRect = Rect.unflattenFromString(mObjectTouched.getString("region"));
                    tempRect.set(X, Y, tempRect.width() + X, tempRect.height() + Y);
                    mObjectTouched.put("region", tempRect.flattenToString());
                } catch (JSONException e) {

                    e.printStackTrace();
                }
            }

            else if (mObjectTouched.optString("type").compareTo("Line") == 0) {

                if (dragLineStart) {
                    try {
                        mObjectTouched.put("startx", X);
                        mObjectTouched.put("starty", Y);
                        mObjectTouched.put("length", lengthOfLine(X, Y, mObjectTouched.optInt("stopx"),
                                mObjectTouched.optInt("stopy")));

                        //mObjectTouched.put("stopx", tempStopX);
                        // mObjectTouched.put("stopy", tempStopY);
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                } else {
                    try {
                        mObjectTouched.put("stopx", X);
                        mObjectTouched.put("stopy", Y);
                        mObjectTouched.put("length", lengthOfLine(X, Y, mObjectTouched.optInt("startx"),
                                mObjectTouched.optInt("starty")));

                        //mObjectTouched.put("stopx", tempStopX);
                        // mObjectTouched.put("stopy", tempStopY);
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }

                }

            }

            if (mObjectTouched != null) {
                mqtt.publishObject(mObjectTouched);
            }
        }

        invalidate();
        handled = true;
        break;
    case MotionEvent.ACTION_UP:
        dragFinished = true;

        mObjectPointers.clear();
        invalidate();
        handled = true;
        break;
    case MotionEvent.ACTION_CANCEL:
        handled = true;
        break;

    default:
        // do nothing
        break;
    }

    return super.onTouchEvent(event) || handled;
}

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From source file:cn.ismartv.tvrecyclerview.widget.helper.ItemTouchHelper.java

private void updateDxDy(MotionEvent ev, int directionFlags, int pointerIndex) {
    final float x = ev.getX(pointerIndex);
    final float y = ev.getY(pointerIndex);

    // Calculate the distance moved
    mDx = x - mInitialTouchX;//w  ww.  ja v a 2 s  . co m
    mDy = y - mInitialTouchY;
    if ((directionFlags & LEFT) == 0) {
        mDx = Math.max(0, mDx);
    }
    if ((directionFlags & RIGHT) == 0) {
        mDx = Math.min(0, mDx);
    }
    if ((directionFlags & UP) == 0) {
        mDy = Math.max(0, mDy);
    }
    if ((directionFlags & DOWN) == 0) {
        mDy = Math.min(0, mDy);
    }
}

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From source file:com.aviary.android.feather.sdk.widget.AviaryWorkspace.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {

    final int action = ev.getAction();

    if (!isEnabled()) {
        return false; // We don't want the events. Let them fall through to the all
                      // apps view.
    }/*from w w w  .ja  v a 2  s .  c o m*/

    if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) {
        return true;
    }

    acquireVelocityTrackerAndAddMovement(ev);

    switch (action & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_MOVE: {

        /*
         * Locally do absolute value. mLastMotionX is set to the y value of the
         * down event.
         */
        final int pointerIndex = ev.findPointerIndex(mActivePointerId);

        if (pointerIndex < 0) {
            // invalid pointer
            return true;
        }

        final float x = ev.getX(pointerIndex);
        final float y = ev.getY(pointerIndex);
        final int xDiff = (int) Math.abs(x - mLastMotionX);
        final int yDiff = (int) Math.abs(y - mLastMotionY);

        final int touchSlop = mTouchSlop;
        boolean xMoved = xDiff > touchSlop;
        boolean yMoved = yDiff > touchSlop;
        mLastMotionX2 = x;

        if (xMoved || yMoved) {

            if (xMoved) {
                // Scroll if the user moved far enough along the X axis
                mTouchState = TOUCH_STATE_SCROLLING;
                mLastMotionX = x;
                mTouchX = getScrollX();
                mSmoothingTime = System.nanoTime() / NANOTIME_DIV;
                enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1);
            }

        }
        break;
    }

    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX();
        final float y = ev.getY();
        // Remember location of down touch
        mLastMotionX = x;
        mLastMotionX2 = x;
        mLastMotionY = y;
        mActivePointerId = ev.getPointerId(0);
        mAllowLongPress = true;

        mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING;
        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        // Release the drag
        clearChildrenCache();
        mTouchState = TOUCH_STATE_REST;
        mActivePointerId = INVALID_POINTER;
        mAllowLongPress = false;
        releaseVelocityTracker();
        break;

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

    /*
     * The only time we want to intercept motion events is if we are in the drag mode.
     */
    return mTouchState != TOUCH_STATE_REST;
}

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From source file:com.android.launcher3.ItemTouchHelper.java

void updateDxDy(MotionEvent ev, int directionFlags, int pointerIndex) {
    final float x = ev.getX(pointerIndex);
    final float y = ev.getY(pointerIndex);

    // Calculate the distance moved
    mDx = x - mInitialTouchX;/*from w w w. j a v  a 2s  . c o  m*/
    mDy = y - mInitialTouchY;
    if ((directionFlags & LEFT) == 0) {
        mDx = Math.max(0, mDx);
    }
    if ((directionFlags & RIGHT) == 0) {
        mDx = Math.min(0, mDx);
    }
    if ((directionFlags & UP) == 0) {
        mDy = Math.max(0, mDy);
    }
    if ((directionFlags & DOWN) == 0) {
        mDy = Math.min(0, mDy);
    }
}

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From source file:cn.ismartv.tvrecyclerview.widget.helper.ItemTouchHelper.java

private ViewHolder findSwipedView(MotionEvent motionEvent) {
    final RecyclerView.LayoutManager lm = mRecyclerView.getLayoutManager();
    if (mActivePointerId == ACTIVE_POINTER_ID_NONE) {
        return null;
    }/* www  .  j  ava2s .c o m*/
    final int pointerIndex = motionEvent.findPointerIndex(mActivePointerId);
    final float dx = motionEvent.getX(pointerIndex) - mInitialTouchX;
    final float dy = motionEvent.getY(pointerIndex) - mInitialTouchY;
    final float absDx = Math.abs(dx);
    final float absDy = Math.abs(dy);

    if (absDx < mSlop && absDy < mSlop) {
        return null;
    }
    if (absDx > absDy && lm.canScrollHorizontally()) {
        return null;
    } else if (absDy > absDx && lm.canScrollVertically()) {
        return null;
    }
    View child = findChildView(motionEvent);
    if (child == null) {
        return null;
    }
    return mRecyclerView.getChildViewHolder(child);
}

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From source file:com.android.launcher3.ItemTouchHelper.java

private android.support.v7.widget.RecyclerView.ViewHolder findSwipedView(MotionEvent motionEvent) {
    final android.support.v7.widget.RecyclerView.LayoutManager lm = mRecyclerView.getLayoutManager();
    if (mActivePointerId == ACTIVE_POINTER_ID_NONE) {
        return null;
    }/*from ww w  .  j a v  a  2  s.com*/
    final int pointerIndex = motionEvent.findPointerIndex(mActivePointerId);
    final float dx = motionEvent.getX(pointerIndex) - mInitialTouchX;
    final float dy = motionEvent.getY(pointerIndex) - mInitialTouchY;
    final float absDx = Math.abs(dx);
    final float absDy = Math.abs(dy);

    if (absDx < mSlop && absDy < mSlop) {
        return null;
    }
    if (absDx > absDy && lm.canScrollHorizontally()) {
        return null;
    } else if (absDy > absDx && lm.canScrollVertically()) {
        return null;
    }
    View child = findChildView(motionEvent);
    if (child == null) {
        return null;
    }
    return mRecyclerView.getChildViewHolder(child);
}

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