Example usage for android.view MotionEvent getY

Introduction

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

Prototype

public final float getY(int pointerIndex) 

Source Link

Document

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

Usage

From source file:ch.jeda.platform.android.CanvasFragment.java

@Override
public boolean onTouch(final View view, final MotionEvent event) {
    int index;//from  w w w  . j av  a 2 s .c o m
    switch (event.getActionMasked()) {
    case MotionEvent.ACTION_DOWN:
    case MotionEvent.ACTION_POINTER_DOWN:
        index = event.getActionIndex();
        this.postEvent(new PointerEvent(mapDevice(event), EventType.POINTER_DOWN, event.getPointerId(index),
                (int) event.getX(index), (int) event.getY(index)));
        break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_POINTER_UP:
        index = event.getActionIndex();
        this.postEvent(new PointerEvent(mapDevice(event), EventType.POINTER_UP, event.getPointerId(index),
                (int) event.getX(index), (int) event.getY(index)));
        break;
    case MotionEvent.ACTION_MOVE:
        for (index = 0; index < event.getPointerCount(); ++index) {
            this.postEvent(new PointerEvent(mapDevice(event), EventType.POINTER_MOVED,
                    event.getPointerId(index), (int) event.getX(index), (int) event.getY(index)));
        }

        break;
    }
    return true;
}

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From source file:com.apptentive.android.sdk.util.image.PreviewImageView.java

@Override
public boolean onTouch(View v, MotionEvent event) {
    gestureDetector.onTouchEvent(event);
    scaleGestureDetector.onTouchEvent(event);

    float x = 0, y = 0;
    // Get multiple touch points
    final int pointerCount = event.getPointerCount();
    // Calculate average x and y
    for (int i = 0; i < pointerCount; i++) {
        x += event.getX(i);//w  w  w  .ja  v a2s  . c  om
        y += event.getY(i);
    }
    x = x / pointerCount;
    y = y / pointerCount;

    /**
     * Reset lastX and lastY
     */
    if (pointerCount != lastPointerCount) {
        isCanDrag = false;
        lastX = x;
        lastY = y;
    }

    lastPointerCount = pointerCount;

    switch (event.getAction()) {
    case MotionEvent.ACTION_MOVE:
        float dx = x - lastX;
        float dy = y - lastY;

        if (!isCanDrag) {
            isCanDrag = isCanDrag(dx, dy);
        }
        if (isCanDrag) {
            RectF rectF = getMatrixRectF();
            if (getDrawable() != null) {
                isCheckLeftAndRight = isCheckTopAndBottom = true;
                // No left/right translation if image width is less than screen width
                if (rectF.width() < getWidth()) {
                    dx = 0;
                    isCheckLeftAndRight = false;
                }
                // No Up/Down translation if image height is less than screen height
                if (rectF.height() < getHeight()) {
                    dy = 0;
                    isCheckTopAndBottom = false;
                }
                scaleMatrix.postTranslate(dx, dy);
                checkMatrixBounds();
                setImageMatrix(scaleMatrix);
            }
        }
        lastX = x;
        lastY = y;
        break;

    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        lastPointerCount = 0;
        break;
    }
    return true;
}

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From source file:com.cloverstudio.spika.CameraCropActivity.java

/** Determine the space between the first two fingers */
@SuppressLint("FloatMath")
private float spacing(MotionEvent event) {
    float x = event.getX(0) - event.getX(1);
    float y = event.getY(0) - event.getY(1);
    return FloatMath.sqrt(x * x + y * y);
}

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From source file:com.intel.xdk.multitouch.MultiTouch.java

@Override
public void initialize(CordovaInterface cordova, CordovaWebView webView) {
    super.initialize(cordova, webView);

    //get convenience reference to activity
    activity = cordova.getActivity();/*from w w  w  .  jav a  2s . c  om*/

    activity.runOnUiThread(new Runnable() {
        public void run() {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                try {
                    Method m = WebView.class.getMethod("setWebContentsDebuggingEnabled", boolean.class);
                    m.invoke(WebView.class, true);
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                //WebView.setWebContentsDebuggingEnabled(true);
            }
        }
    });

    touchy = new View.OnTouchListener() {

        private SparseArray<Long> pointerId2Identifier = new SparseArray<Long>();

        @Override
        public boolean onTouch(View v, MotionEvent ev) {
            if (isMultitouchEnabled) {
                int pointerCount = ev.getPointerCount();

                //get the correct action
                int maskedAction = ev.getActionMasked();
                int idx = ev.getActionIndex();
                try {
                    String js = null;
                    if (maskedAction == MotionEvent.ACTION_POINTER_DOWN
                            || maskedAction == MotionEvent.ACTION_DOWN) {
                        int x = (int) ev.getX(idx);
                        int y = (int) ev.getY(idx);
                        int h = (int) v.getHeight();
                        int w = (int) v.getWidth();
                        int id = ev.getPointerId(idx);
                        //make a timestamp identifier and store it
                        long identifier = System.currentTimeMillis();
                        pointerId2Identifier.put(id, identifier);
                        js = String.format("{id:%d,x:%d,y:%d,h:%d,w:%d,type:'touchstart'},", identifier, x, y,
                                h, w);
                        queueMultitouchData(js, id, maskedAction);
                    } else if (maskedAction == MotionEvent.ACTION_POINTER_UP
                            || maskedAction == MotionEvent.ACTION_UP) {
                        int x = (int) ev.getX(idx);
                        int y = (int) ev.getY(idx);
                        int h = (int) v.getHeight();
                        int w = (int) v.getWidth();
                        int id = ev.getPointerId(idx);
                        js = String.format("{id:%d,x:%d,y:%d,h:%d,w:%d,type:'touchend'},",
                                pointerId2Identifier.get(id), x, y, h, w);
                        pointerId2Identifier.remove(id);
                        queueMultitouchData(js, id, maskedAction);
                    } else if (maskedAction == MotionEvent.ACTION_MOVE) {
                        //send all events if it is a move
                        for (int i = 0; i < pointerCount; i++) {
                            int x = (int) ev.getX(i);
                            int y = (int) ev.getY(i);
                            int h = (int) v.getHeight();
                            int w = (int) v.getWidth();
                            int id = ev.getPointerId(i);
                            js = String.format("{id:%d,x:%d,y:%d,h:%d,w:%d,type:'touchmove'},",
                                    pointerId2Identifier.get(id), x, y, h, w);
                            queueMultitouchData(js, id, maskedAction);
                        }
                    } else {
                        Log.e("[intel.xdk]", "got a MotionEvent that is not up/down/move:" + ev);
                    }
                    //Log.i("[intel.xdk]", "onTouchEvent:"+js);
                } catch (Exception e) {
                    Log.e("[intel.xdk]", "Got an exception back from WebView: ", e);
                }

                return true;
            } else {
                return false;
            }
        }
    };
    webView.setOnTouchListener(touchy);

    lock = this;
    messages = new ArrayList<String>(0);
}

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From source file:org.cocos2dx.lib.TextInputWraper.java

public boolean onTouchEvent(final MotionEvent event) {
    // these data are used in ACTION_MOVE and ACTION_CANCEL
    final int pointerNumber = event.getPointerCount();
    final int[] ids = new int[pointerNumber];
    final float[] xs = new float[pointerNumber];
    final float[] ys = new float[pointerNumber];

    for (int i = 0; i < pointerNumber; i++) {
        ids[i] = event.getPointerId(i);/* ww w  .  j  a v  a  2 s . c o  m*/
        xs[i] = event.getX(i);
        ys[i] = event.getY(i);
    }

    switch (event.getAction() & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_POINTER_DOWN:
        final int indexPointerDown = event.getAction() >> MotionEvent.ACTION_POINTER_ID_SHIFT;
        final int idPointerDown = event.getPointerId(indexPointerDown);
        final float xPointerDown = event.getX(indexPointerDown);
        final float yPointerDown = event.getY(indexPointerDown);

        queueEvent(new Runnable() {
            @Override
            public void run() {
                mRenderer.handleActionDown(idPointerDown, xPointerDown, yPointerDown);
            }
        });
        break;

    case MotionEvent.ACTION_DOWN:
        // there are only one finger on the screen
        final int idDown = event.getPointerId(0);
        final float xDown = xs[0];
        final float yDown = ys[0];

        queueEvent(new Runnable() {
            @Override
            public void run() {
                mRenderer.handleActionDown(idDown, xDown, yDown);
            }
        });
        break;

    case MotionEvent.ACTION_MOVE:
        queueEvent(new Runnable() {
            @Override
            public void run() {
                mRenderer.handleActionMove(ids, xs, ys);
            }
        });
        break;

    case MotionEvent.ACTION_POINTER_UP:
        final int indexPointUp = event.getAction() >> MotionEvent.ACTION_POINTER_ID_SHIFT;
        final int idPointerUp = event.getPointerId(indexPointUp);
        final float xPointerUp = event.getX(indexPointUp);
        final float yPointerUp = event.getY(indexPointUp);

        queueEvent(new Runnable() {
            @Override
            public void run() {
                mRenderer.handleActionUp(idPointerUp, xPointerUp, yPointerUp);
            }
        });
        break;

    case MotionEvent.ACTION_UP:
        // there are only one finger on the screen
        final int idUp = event.getPointerId(0);
        final float xUp = xs[0];
        final float yUp = ys[0];

        queueEvent(new Runnable() {
            @Override
            public void run() {
                mRenderer.handleActionUp(idUp, xUp, yUp);
            }
        });
        break;

    case MotionEvent.ACTION_CANCEL:
        queueEvent(new Runnable() {
            @Override
            public void run() {
                mRenderer.handleActionCancel(ids, xs, ys);
            }
        });
        break;
    }

    if (debug) {
        dumpEvent(event);
    }
    return true;
}

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From source file:com.funzio.pure2D.demo.particles.NovaActivity.java

@Override
public boolean onTouch(final View v, final MotionEvent event) {
    final int action = event.getAction() & MotionEvent.ACTION_MASK;

    // null check
    if (mNovaFactory == null) {
        return false;
    }//from  www . j  ava2s  .c  om

    if (action == MotionEvent.ACTION_DOWN) {
        mStage.queueEvent(new Runnable() {
            @Override
            public void run() {
                final int pointerCount = event.getPointerCount();
                for (int i = 0; i < pointerCount; i++) {
                    // for demo, limit the number of emitters
                    if (mScene.getNumGrandChildren() < mNovaFactory.getPoolSize()) {
                        addObject(event.getX(i), mDisplaySize.y - event.getY(i));
                    }
                }
            }
        });
    }

    return true;
}

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From source file:android.support.v7.widget.DropDownListView.java

/**
 * Handles forwarded events.//w  ww  .  ja va 2s  .  c  o  m
 *
 * @param activePointerId id of the pointer that activated forwarding
 * @return whether the event was handled
 */
public boolean onForwardedEvent(MotionEvent event, int activePointerId) {
    boolean handledEvent = true;
    boolean clearPressedItem = false;

    final int actionMasked = MotionEventCompat.getActionMasked(event);
    switch (actionMasked) {
    case MotionEvent.ACTION_CANCEL:
        handledEvent = false;
        break;
    case MotionEvent.ACTION_UP:
        handledEvent = false;
        // $FALL-THROUGH$
    case MotionEvent.ACTION_MOVE:
        final int activeIndex = event.findPointerIndex(activePointerId);
        if (activeIndex < 0) {
            handledEvent = false;
            break;
        }

        final int x = (int) event.getX(activeIndex);
        final int y = (int) event.getY(activeIndex);
        final int position = pointToPosition(x, y);
        if (position == INVALID_POSITION) {
            clearPressedItem = true;
            break;
        }

        final View child = getChildAt(position - getFirstVisiblePosition());
        setPressedItem(child, position, x, y);
        handledEvent = true;

        if (actionMasked == MotionEvent.ACTION_UP) {
            clickPressedItem(child, position);
        }
        break;
    }

    // Failure to handle the event cancels forwarding.
    if (!handledEvent || clearPressedItem) {
        clearPressedItem();
    }

    // Manage automatic scrolling.
    if (handledEvent) {
        if (mScrollHelper == null) {
            mScrollHelper = new ListViewAutoScrollHelper(this);
        }
        mScrollHelper.setEnabled(true);
        mScrollHelper.onTouch(this, event);
    } else if (mScrollHelper != null) {
        mScrollHelper.setEnabled(false);
    }

    return handledEvent;
}

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From source file:cn.limc.androidcharts.event.SlipGestureDetector.java

public boolean onTouchEvent(MotionEvent event) {
    int pointers = event.getPointerCount();
    switch (event.getAction() & MotionEvent.ACTION_MASK) {
    // ?/*from   w ww  .jav  a 2s  .c om*/
    case MotionEvent.ACTION_DOWN:
        initalX = event.getX();
        if (pointers > 1) {
            touchMode = TOUCH_MODE_MULTI;
        } else {
            touchMode = TOUCH_MODE_SINGLE;
        }
        break;
    case MotionEvent.ACTION_UP:
        startPointA = null;
        startPointB = null;
        break;
    case MotionEvent.ACTION_POINTER_UP:
        startPointA = null;
        startPointB = null;
    case MotionEvent.ACTION_POINTER_DOWN:
        olddistance = calcDistance(event);
        if (olddistance > MIN_DISTANCE) {
            touchMode = TOUCH_MODE_MULTI;
            startPointA = new PointF(event.getX(0), event.getY(0));
            startPointB = new PointF(event.getX(1), event.getY(1));
        }
        return true;
    case MotionEvent.ACTION_MOVE:
        if (touchMode == TOUCH_MODE_SINGLE) {
            final float finalX = event.getX();
            // MotionEvent finalEvent = event;
            if (performLongClick) {
                return super.onTouchEvent(event);
            } else {
                if (finalX - initalX >= mStickScaleValue) {
                    if (onSlipGestureListener != null) {
                        onSlipGestureListener.onMoveRight((ISlipable) instance, event);
                    }
                } else if (initalX - finalX >= mStickScaleValue) {
                    if (onSlipGestureListener != null) {
                        onSlipGestureListener.onMoveLeft((ISlipable) instance, event);
                    }
                }
                initalX = finalX;
                // initalEvent = finalEvent;
                return true;
            }
        } else if (touchMode == TOUCH_MODE_MULTI) {
            newdistance = calcDistance(event);
            if (Math.abs(newdistance - olddistance) > MIN_DISTANCE) {
                if (onZoomGestureListener != null) {
                    if (newdistance > olddistance) {
                        onZoomGestureListener.onZoomIn((IZoomable) instance, event);
                    } else {
                        onZoomGestureListener.onZoomOut((IZoomable) instance, event);
                    }
                }
            }
            olddistance = newdistance;
            return true;
            // startPointA = new PointF(event.getX(), event.getY());
            // startPointB = new PointF(event.getX(1), event.getY(1));
        }
        break;
    }
    return super.onTouchEvent(event);
}

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From source file:com.android.inputmethod.latin.suggestions.SuggestionStripView.java

@Override
public boolean onTouchEvent(final MotionEvent me) {
    if (!mMoreSuggestionsView.isShowingInParent()) {
        // Ignore any touch event while more suggestions panel hasn't been shown.
        // Detecting sliding up is done at {@link #onInterceptTouchEvent}.
        return true;
    }//from  ww w  .  j a v  a  2 s .com
    // In the sliding input mode. {@link MotionEvent} should be forwarded to
    // {@link MoreSuggestionsView}.
    final int index = me.getActionIndex();
    final int x = mMoreSuggestionsView.translateX((int) me.getX(index));
    final int y = mMoreSuggestionsView.translateY((int) me.getY(index));
    me.setLocation(x, y);
    if (!mNeedsToTransformTouchEventToHoverEvent) {
        mMoreSuggestionsView.onTouchEvent(me);
        return true;
    }
    // In sliding suggestion mode with accessibility mode on, a touch event should be
    // transformed to a hover event.
    final int width = mMoreSuggestionsView.getWidth();
    final int height = mMoreSuggestionsView.getHeight();
    final boolean onMoreSuggestions = (x >= 0 && x < width && y >= 0 && y < height);
    if (!onMoreSuggestions && !mIsDispatchingHoverEventToMoreSuggestions) {
        // Just drop this touch event because dispatching hover event isn't started yet and
        // the touch event isn't on {@link MoreSuggestionsView}.
        return true;
    }
    final int hoverAction;
    if (onMoreSuggestions && !mIsDispatchingHoverEventToMoreSuggestions) {
        // Transform this touch event to a hover enter event and start dispatching a hover
        // event to {@link MoreSuggestionsView}.
        mIsDispatchingHoverEventToMoreSuggestions = true;
        hoverAction = MotionEvent.ACTION_HOVER_ENTER;
    } else if (me.getActionMasked() == MotionEvent.ACTION_UP) {
        // Transform this touch event to a hover exit event and stop dispatching a hover event
        // after this.
        mIsDispatchingHoverEventToMoreSuggestions = false;
        mNeedsToTransformTouchEventToHoverEvent = false;
        hoverAction = MotionEvent.ACTION_HOVER_EXIT;
    } else {
        // Transform this touch event to a hover move event.
        hoverAction = MotionEvent.ACTION_HOVER_MOVE;
    }
    me.setAction(hoverAction);
    mMoreSuggestionsView.onHoverEvent(me);
    return true;
}

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From source file:com.kircherelectronics.accelerationfilter.activity.AccelerationPlotActivity.java

/**
 * Get the distance between fingers for the touch to zoom.
 * /*from w  w  w.  j  a  v  a  2  s  .c om*/
 * @param event
 * @return
 */
private final float fingerDist(MotionEvent event) {
    float x = event.getX(0) - event.getX(1);
    float y = event.getY(0) - event.getY(1);
    return (float) Math.sqrt(x * x + y * y);
}

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