Example usage for android.view MotionEvent getX

List of usage examples for android.view MotionEvent getX

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Introduction

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

Prototype

public final float getX()

Source Link

Document

#getX(int) for the first pointer index (may be an arbitrary pointer identifier).

Usage

From source file:cn.zmdx.kaka.locker.widget.SlidingPaneLayout.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (!mCanSlide) {
        return super.onTouchEvent(ev);
    }//ww w  . j a  va2 s.  co m

    mDragHelper.processTouchEvent(ev);

    final int action = ev.getAction();
    boolean wantTouchEvents = true;

    switch (action & MotionEventCompat.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX();
        final float y = ev.getY();
        mInitialMotionX = x;
        mInitialMotionY = y;
        break;
    }

    case MotionEvent.ACTION_UP: {
        if (isDimmed(mSlideableView)) {
            final float x = ev.getX();
            final float y = ev.getY();
            final float dx = x - mInitialMotionX;
            final float dy = y - mInitialMotionY;
            final int slop = mDragHelper.getTouchSlop();
            if (dx * dx + dy * dy < slop * slop && mDragHelper.isViewUnder(mSlideableView, (int) x, (int) y)) {
                // Taps close a dimmed open pane.
                closePane(mSlideableView, 0);
                break;
            }
        }
        break;
    }
    }

    return wantTouchEvents;
}

From source file:cn.emagsoftware.ui.BugFixedSlidingPaneLayout.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    try {// www . j  av a2  s.  com
        final int action = MotionEventCompat.getActionMasked(ev);

        // Preserve the open state based on the last view that was touched.
        if (!mCanSlide && action == MotionEvent.ACTION_DOWN && getChildCount() > 1) {
            // After the first things will be slideable.
            final View secondChild = getChildAt(1);
            if (secondChild != null) {
                mPreservedOpenState = !mDragHelper.isViewUnder(secondChild, (int) ev.getX(), (int) ev.getY());
            }
        }

        if (!mCanSlide || (mIsUnableToDrag && action != MotionEvent.ACTION_DOWN)) {
            mDragHelper.cancel();
            return super.onInterceptTouchEvent(ev);
        }

        if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) {
            mDragHelper.cancel();
            return false;
        }

        boolean interceptTap = false;

        switch (action) {
        case MotionEvent.ACTION_DOWN: {
            mIsUnableToDrag = false;
            final float x = ev.getX();
            final float y = ev.getY();
            mInitialMotionX = x;
            mInitialMotionY = y;

            if (mDragHelper.isViewUnder(mSlideableView, (int) x, (int) y) && isDimmed(mSlideableView)) {
                interceptTap = true;
            }
            break;
        }

        case MotionEvent.ACTION_MOVE: {
            final float x = ev.getX();
            final float y = ev.getY();
            final float adx = Math.abs(x - mInitialMotionX);
            final float ady = Math.abs(y - mInitialMotionY);
            final int slop = mDragHelper.getTouchSlop();
            if (adx > slop && ady > adx) {
                mDragHelper.cancel();
                mIsUnableToDrag = true;
                return false;
            }
        }
        }

        final boolean interceptForDrag = mDragHelper.shouldInterceptTouchEvent(ev);

        return interceptForDrag || interceptTap;
    } catch (ArrayIndexOutOfBoundsException e) {
        LogManager.logE(BugFixedSlidingPaneLayout.class,
                "internal bug in SlidingPaneLayout,this bug can be ignored in most cases.", e);
        return false;
    }
}

From source file:com.example.aaron.test.MyGLSurfaceView.java

@Override
public boolean onTouchEvent(MotionEvent e) {

    float x = e.getX();
    float y = e.getY();

    int cc = 0;/*from   w  w w  .  ja  v a2s  . c  o  m*/

    /*
            float xGL=(width1/2-x)/(float)(height1/1.85);
            float yGL=( height1/2+30-y)/(float)(height1/1.85);
    */

    float xGL = (width1 / 2 - x) / (float) (height1 / 2);
    float yGL = (height1 / 2 - y) / (float) (height1 / 2);

    workspace = -(width1 - 115) / (height1 * 2) + .15f - mRenderer.slider;

    mRenderer.tempFun(xGL, yGL);

    switch (e.getActionMasked()) {
    case MotionEvent.ACTION_DOWN:
        mRenderer.tToggle = 1;

        for (int i = 0; i < maxBots; i++) {
            if (tList[i].getOn() == 1) {
                cc = cc + 1;
                if (Math.abs(tList[i].getX() * getScale() + mRenderer.dragX * mRenderer.scale - xGL) < .1f
                        && Math.abs(
                                tList[i].getY() * getScale() + mRenderer.dragY * mRenderer.scale - yGL) < .1f) {
                    if (state[i] == 0) {
                        state[i] = 1;
                    } else {
                        state[i] = 0;
                    }
                    v.vibrate(50);
                }
            }
        }

        if (antispam > 1) {

            if (xGL < .85 && xGL > .65 && yGL > -.95 && yGL < -.75) {
                mRenderer.scale = mRenderer.scale + .5f;
                mRenderer.textList.get(1).setText("Scale: " + truncateDecimal(mRenderer.scale, 1) + "x");
                mRenderer.textList.get(2).setText(truncateDecimal(2 / mRenderer.scale, 2) + " ft");
                v.vibrate(75);
                break;
            }
            if (xGL < 1.2f && xGL > .95f && yGL > -.85f && yGL < -.75 && mRenderer.scale > .5f) {
                mRenderer.scale = mRenderer.scale - .5f;
                mRenderer.textList.get(1).setText("Scale: " + truncateDecimal(mRenderer.scale, 1) + "x");
                mRenderer.textList.get(2).setText(truncateDecimal(2 / mRenderer.scale, 2) + " ft");
                v.vibrate(75);
                break;
            }

            if (mRenderer.commit.blocked == false && xGL < mRenderer.commit.left - mRenderer.slider
                    && xGL > mRenderer.commit.right - mRenderer.slider && yGL > mRenderer.commit.down
                    && yGL < mRenderer.commit.up)
                if (mRenderer.commit.active == true) {
                    mRenderer.commit.active = false;
                    newAction = true;
                    v.vibrate(50);
                } else {
                    mRenderer.commit.active = true;
                    if (mRenderer.customFormation.active) {
                        mRenderer.justifyRelativePositions();
                        mRenderer.resetScaleAndRotation();
                        mRenderer.formation.send = true;
                    }
                    newAction = true;
                    v.vibrate(50);
                }

            //Turn on voronoi toggle
            if (buttonPush(xGL, yGL, mRenderer.vorToggle))
                if (mRenderer.getvToggle() == 1) {
                    mRenderer.setvToggle(0);
                    v.vibrate(500);
                } else {
                    mRenderer.setvToggle(1);
                    v.vibrate(500);
                }
            vFlag = mRenderer.getvToggle();

            //Turn on Free Draw Toggle
            if (buttonPush(xGL, yGL, mRenderer.freeDrawToggle))
                if (mRenderer.getfToggle() == 1) {
                    mRenderer.setfToggle(0);
                    fFlag = mRenderer.getfToggle();
                } else {
                    mRenderer.setfToggle(1);
                    mRenderer.eraseFreeLine();
                    freeDrawCount = 0;
                    previousy = 0;
                    previousx = 0;
                    connectable = 0;
                    firstPointFreeDraw[0] = -1000;
                    firstPointFreeDraw[1] = -1000;
                    fFlag = mRenderer.getfToggle();
                }

            //Toggable swarm for Path Follower
            /*if (mRenderer.getfToggle()==1 && xGL<mRenderer.swarmToggle.left- mRenderer.slider&& xGL>mRenderer.swarmToggle.right-mRenderer.slider&& yGL > mRenderer.swarmToggle.down && yGL < mRenderer.swarmToggle.up)
                if (mRenderer.swarmToggle.active == true) {
                    mRenderer.swarmToggle.active =  false;
                    v.vibrate(50);
                } else {
                    mRenderer.swarmToggle.active =  true;
                    v.vibrate(50);
                }
            */ //THIS FEATURE CAN BE ADDED LATER IF WE WANT

            //Turn on Way Point Toggle
            if (buttonPush(xGL, yGL, mRenderer.wayPointToggle))
                if (mRenderer.getpToggle() == 1) {
                    mRenderer.setpToggle(0);
                    pFlag2 = 0;
                    mRenderer.setpToggle2(pFlag2);
                    mRenderer.tToggle = 1;
                    pX = 0;
                    pY = 0;
                } else {
                    mRenderer.tToggle = 0;
                    mRenderer.setpToggle(1);
                    mRenderer.voronoiDeploymentToggle.active = false;
                    pX = 0;
                    pY = 0;
                }
            pFlag = mRenderer.getpToggle();

            //Turn on AndroneToggle
            if (buttonPush(xGL, yGL, mRenderer.ardronePrefToggle))
                if (mRenderer.getAPToggle() == 1) {
                    mRenderer.setAPToggle(0);
                    mRenderer.SINFO_FLAG = true;
                } else {
                    mRenderer.setAPToggle(1);
                    mRenderer.SINFO_FLAG = false;
                }

            if (buttonPush(xGL, yGL, mRenderer.gaussianTrackToggle)) {
                if (mRenderer.gaussianTrackToggle.active == true) {
                    mRenderer.gaussianTrackToggle.active = false;

                } else {
                    mRenderer.gaussianTrackToggle.active = true;

                }
                v.vibrate(50);
            }

            if (buttonPush(xGL, yGL, mRenderer.formation)) {
                if (mRenderer.formation.active == true) {
                    mRenderer.formation.active = false;
                    mRenderer.formation.send = false;
                } else {
                    mRenderer.formation.active = true;
                    mRenderer.formation.send = true;
                    mRenderer.refreshFormationtext();
                }
            }

            if (buttonPush(xGL, yGL, mRenderer.formationToggleTransform)) {
                if (mRenderer.formationToggleTransform.active == true) {
                    mRenderer.formationToggleTransform.active = false;
                } else {
                    mRenderer.formationToggleTransform.active = true;
                    mRenderer.customFormation.active = false;
                    mRenderer.commit.blocked = true;
                    mRenderer.refreshFormationtext();
                }
            }

            if (buttonPush(xGL, yGL, mRenderer.customFormation)) {
                if (mRenderer.customFormation.active == true) {
                    mRenderer.customFormation.active = false;
                    mRenderer.commit.blocked = true;
                } else {
                    mRenderer.customFormation.active = true;
                    mRenderer.resetFormation();
                    mRenderer.refreshCenter();
                    mRenderer.formationToggleTransform.active = false;
                    mRenderer.commit.blocked = false;
                    mRenderer.commit.active = false;
                    mRenderer.refreshFormationtext();
                }
            }

            if (buttonPush(xGL, yGL, mRenderer.ardroneAddToggle)) {
                dummyFlag = 1;
            }

            if (buttonPush(xGL, yGL, mRenderer.addToggle)) {
                mRenderer.formation.val1 = mRenderer.formation.val1 + 1;
                mRenderer.refreshFormationtext();
                mRenderer.formation.send = true;
            }

            if (buttonPush(xGL, yGL, mRenderer.subtractToggle)) {
                mRenderer.formation.val1 = mRenderer.formation.val1 - 1;
                mRenderer.refreshFormationtext();
                mRenderer.formation.send = true;
            }

            if (buttonPush(xGL, yGL, mRenderer.freeBoundarytoggle)) {
                if (mRenderer.freeBoundarytoggle.active == true) {
                    mRenderer.freeBoundarytoggle.active = false;
                    freeBoundaryFlag = true;
                    closedBoundaryFlag = false;
                } else {
                    mRenderer.freeBoundarytoggle.active = true;
                    closedBoundaryFlag = true;
                    freeBoundaryFlag = false;
                }
            }

            if (buttonPush(xGL, yGL, mRenderer.obstacleLineToggle)) {
                System.out.println("obstacle Line Pushed");

                addObstacleFlag = true;
                mRenderer.makeObstacle();
                mRenderer.fToggle = 0;
                fFlag = mRenderer.fToggle;
            }

            //IF GAUSS TOGGLE SELECTED
            if (buttonPush(xGL, yGL, mRenderer.gaussToggle))
                if (mRenderer.getgToggle() == 1) {
                    mRenderer.setgToggle(0);
                    gFlag2 = 0;
                    mRenderer.setgToggle2(gFlag2);
                } else {
                    mRenderer.setgToggle(1);
                }
            gFlag = mRenderer.getgToggle();

            //IF GAUSSPATH TOGGLE SELECTED
            /*if (xGL<mRenderer.temptoggle.left- mRenderer.slider&& xGL>mRenderer.temptoggle.right-mRenderer.slider&& yGL > mRenderer.temptoggle.down && yGL < mRenderer.temptoggle.up)
                if (mRenderer.getgpToggle() == 1) {
                    mRenderer.setgpToggle(0);
                    mRenderer.eraseGaussLine();
                    v.vibrate(50);
                } else {
                    mRenderer.setgpToggle(1);
                    mRenderer.makeGaussPoints();
                    v.vibrate(50);
                }*/
            gpFlag = mRenderer.getgpToggle();

            //Toggle for voronoi deployment
            if (buttonPush(xGL, yGL, mRenderer.voronoiDeploymentToggle))
                if (mRenderer.voronoiDeploymentToggle.active == true) {
                    mRenderer.voronoiDeploymentToggle.active = false;
                    newAction = true;
                } else {
                    newAction = true;
                    mRenderer.voronoiDeploymentToggle.active = true;
                    mRenderer.setpToggle(0);
                    mRenderer.setpToggle2(0);
                }

            if (buttonPush(xGL, yGL, mRenderer.dragToggle)) {
                addedTurtleNumber = 0;
                addedTurtleX = .1f;
                addedTurtleY = .1f;
                for (int j = 41; j < 44; j++) {
                    if (tList[j].getOn() != 1) {
                        addedTurtleNumber = j;
                    }
                }
                if (addedTurtleNumber == 0) {
                    addTurtleFlag = false;
                } else {
                    addTurtleFlag = true;

                }
            }

            if (buttonPush(xGL, yGL, mRenderer.addTurtle)) {
                addedTurtleNumber = 0;
                addedTurtleX = .1f;
                addedTurtleY = .1f;
                for (int j = 1; j < 11; j++) {
                    if (tList[j].getOn() != 1) {
                        addedTurtleNumber = j;
                    }
                }
                if (addedTurtleNumber == 0) {
                    addTurtleFlag = false;
                } else {
                    addTurtleFlag = true;

                }
            }

            if (buttonPush(xGL, yGL, mRenderer.dragRobotToggle)) {
                if (mRenderer.dragRobotToggle.active == false) {
                    mRenderer.dragRobotToggle.active = true;
                } else {
                    mRenderer.dragRobotToggle.active = false;
                }
            }

            if (buttonPush(xGL, yGL, mRenderer.gaussianPathToggle)) {
                if (mRenderer.gaussianPathToggle.active == true) {
                    mRenderer.gaussianPathToggle.active = false;
                    mRenderer.gaussPathPlay.active = false;
                } else {
                    mRenderer.gaussianPathToggle.active = true;
                    if (mRenderer.getfToggle() == 1) {//
                        mRenderer.gaussPathPlay.active = true;
                        mRenderer.updateGauss(
                                mRenderer.pathArray.pose[0].x * mRenderer.scale
                                        + mRenderer.dragX * mRenderer.scale,
                                mRenderer.pathArray.pose[0].y * mRenderer.scale
                                        + mRenderer.dragY * mRenderer.scale,
                                0);
                        gaussianPathArrayIteration = 1;
                        deltaX = (mRenderer.pathArray.pose[gaussianPathArrayIteration].x
                                - mRenderer.pathArray.pose[gaussianPathArrayIteration - 1].x)
                                / (float) Math.sqrt(Math
                                        .pow(mRenderer.pathArray.pose[gaussianPathArrayIteration].x
                                                - mRenderer.pathArray.pose[gaussianPathArrayIteration - 1].x, 2)
                                        + Math.pow(mRenderer.pathArray.pose[gaussianPathArrayIteration].y
                                                - mRenderer.pathArray.pose[gaussianPathArrayIteration - 1].y,
                                                2));
                        deltaY = (mRenderer.pathArray.pose[gaussianPathArrayIteration].y
                                - mRenderer.pathArray.pose[gaussianPathArrayIteration - 1].y)
                                / (float) Math.sqrt(Math
                                        .pow(mRenderer.pathArray.pose[gaussianPathArrayIteration].x
                                                - mRenderer.pathArray.pose[gaussianPathArrayIteration - 1].x, 2)
                                        + Math.pow(mRenderer.pathArray.pose[gaussianPathArrayIteration].y
                                                - mRenderer.pathArray.pose[gaussianPathArrayIteration - 1].y,
                                                2));

                    }
                }
            }

            if (xGL < mRenderer.clearAll.left - mRenderer.slider
                    && xGL > mRenderer.clearAll.right - mRenderer.slider && yGL > mRenderer.clearAll.down
                    && yGL < mRenderer.clearAll.up) {
                if (mRenderer.clearAll.active == true) {
                    mRenderer.clearAll.active = false;
                    v.vibrate(50);
                } else {
                    mRenderer.clearAll.active = true;
                    v.vibrate(50);
                }
            }

            if (xGL < mRenderer.resetToggle.left - mRenderer.slider
                    && xGL > mRenderer.resetToggle.right - mRenderer.slider && yGL > mRenderer.resetToggle.down
                    && yGL < mRenderer.resetToggle.up) {
                if (mRenderer.resetToggle.active == true) {
                    mRenderer.resetToggle.active = false;
                    v.vibrate(50);
                } else {
                    mRenderer.resetToggle.active = true;
                    v.vibrate(50);
                }
            }

            /*                    if (xGL<-(width1-90)/height1+.05f && xGL>-(width1-90)/height1 && yGL >-(height1-10)/(height1)-mRenderer.slider  && yGL < -(height1-10)/(height1)+05f-mRenderer.slider ){
                    
            }*/

            //Clear button
            if (xGL < mRenderer.clear.left - mRenderer.slider && xGL > mRenderer.clear.right - mRenderer.slider
                    && yGL > mRenderer.clear.down && yGL < mRenderer.clear.up) {
                if (mRenderer.getgToggle() == 1) {
                    gInd = 0;
                    mRenderer.clearGauss();

                }
                if (mRenderer.dragToggle.active == true) {
                    obsticle.on = 0;
                }

                deleteTurtleNumber = -1;
                for (int i = 0; i < maxBots; i++) {
                    if (tList[i].getState() == 1) {
                        deleteTurtleNumber = i;
                    }
                }
                if (deleteTurtleNumber != -1) {
                    deleteTurtleFlag = true;
                } else {
                    deleteTurtleFlag = false;
                }

                v.vibrate(75);
                mRenderer.clear.active = true;

            }

        }

        if (pFlag == 1 && xGL > workspace && xGL < mapLeft && yGL < mapTop && yGL > mapBottom) {
            pX = xGL - mRenderer.dragX * mRenderer.scale;
            pY = yGL - mRenderer.dragY * mRenderer.scale;
            pFlag2 = 1;
            mRenderer.setpToggle2(pFlag2);
            mRenderer.setWayPointValues(pX, pY);
        }

        if (gFlag == 1 && xGL > workspace && xGL < mapLeft && yGL < mapTop && yGL > mapBottom) {
            //pX=xGL;
            //pY=yGL;
            gFlag2 = 1;
            mRenderer.setgToggle2(gFlag2);

            //System.out.println("GAUSSIAN INDEX: " +gInd);
            //mRenderer.setWayPointValues(xGL, yGL);
            //mRenderer.setGaussValues(xGL, yGL, gInd);
            //mRenderer.setGaussScale(1f);
            if (gInd < 99) {
                //mRenderer.addGaussStuff(xGL, yGL, 1f,gInd);
                //TEMP FIX
                mRenderer.addGaussStuff(xGL, yGL, 1f, 0);
            }
            gInd++;
        }

        if (mRenderer.gToggle == 0 && mRenderer.fToggle == 0 && mRenderer.directionalDrag.active == true
                && (mRenderer.directionalDrag.active == true
                        && xGL < mRenderer.directionalDrag.left - mRenderer.slider
                        && xGL > mRenderer.directionalDrag.right - mRenderer.slider
                        && yGL > mRenderer.directionalDrag.down && yGL < mRenderer.directionalDrag.up)) {
            v.vibrate(50);
            if (xGL > mRenderer.directionalDrag.left
                    + (mRenderer.directionalDrag.right - mRenderer.directionalDrag.left) / 3
                    - mRenderer.slider) {
                mRenderer.dragX = mRenderer.dragX - .01f;
            }
            if (xGL < mRenderer.directionalDrag.left
                    + 2 * (mRenderer.directionalDrag.right - mRenderer.directionalDrag.left) / 3
                    - mRenderer.slider) {
                mRenderer.dragX = mRenderer.dragX + .01f;
            }

            if (yGL > mRenderer.directionalDrag.up
                    + (mRenderer.directionalDrag.down - mRenderer.directionalDrag.up) / 3) {
                mRenderer.dragY = mRenderer.dragY - .01f;
            }
            if (yGL < mRenderer.directionalDrag.up
                    + 2 * (mRenderer.directionalDrag.down - mRenderer.directionalDrag.up) / 3) {
                mRenderer.dragY = mRenderer.dragY + .01f;
            }
        }

    case MotionEvent.ACTION_POINTER_DOWN:
        //System.out.println("GAUSS 0");
        if (e.getActionIndex() == 1) {

            if (gFlag == 1) {
                float gaussX = e.getX(1);

                float gaussY = e.getY(1);

                float gauss_xGL = (width1 / 2 - gaussX) / (float) (height1 / 1.85);
                float gauss_yGL = (height1 / 2 + 30 - gaussY) / (float) (height1 / 1.85);

                float gauss_dx = gauss_xGL - xGL;
                float gauss_dy = gauss_yGL - yGL;

                float dgauss = (float) Math.sqrt(Math.pow(gauss_dx, 2) + Math.pow(gauss_dy, 2));

                gaussScale = dgauss / .2f;
                //System.out.println("SCALE");
                //mRenderer.addGaussStuff(xGL, yGL, gaussScale,gInd-1);
                //mRenderer.setGaussScale(gInd-1, gaussScale);
                //TEMP FIX
                mRenderer.setGaussScale(0, gaussScale);
            }
        }

    case MotionEvent.ACTION_MOVE:

        mRenderer.tToggle = 1;
        float dx = x - mPreviousX;
        float dy = y - mPreviousY;

        if (mRenderer.dragRobotToggle.active) {
            for (int i = 0; i < maxBots; i++) {
                if (tList[i].getOn() == 1) {
                    if (Math.abs(tList[i].getX() * getScale() + mRenderer.dragX * mRenderer.scale - xGL) < .1f
                            && Math.abs(tList[i].getY() * getScale() + mRenderer.dragY * mRenderer.scale
                                    - yGL) < .1f) {
                        addedTurtleNumber = i;
                        addedTurtleX = xGL / getScale() - mRenderer.dragX;
                        addedTurtleY = yGL / getScale() - mRenderer.dragY;
                        addTurtleFlag = true;
                        v.vibrate(50);
                    }
                }
            }

        }
        //pX+(float)Math.cos(formation.val4)*.3f+dragX*scale, pY+(float)Math.sin(formation.val4)*.3f+dragY*scale, 0);
        if (mRenderer.formation.active && mRenderer.formationToggleTransform.active) {

            if (Math.abs(mRenderer.formation.x * mRenderer.scale
                    + (float) Math.cos(mRenderer.formation.val4) * .3f * mRenderer.scale
                    + mRenderer.dragX * mRenderer.scale - xGL) < .15f
                    && Math.abs(mRenderer.formation.y * mRenderer.scale
                            + (float) Math.sin(mRenderer.formation.val4) * .3f * mRenderer.scale
                            + mRenderer.dragY * mRenderer.scale - yGL) < .15f) {
                mRenderer.formation.val4 = (float) Math.atan2(
                        yGL - (mRenderer.formation.y * mRenderer.scale + mRenderer.dragY * mRenderer.scale),
                        xGL - (mRenderer.formation.x * mRenderer.scale + mRenderer.dragX * mRenderer.scale));
                mRenderer.refreshFormationtext();
                mRenderer.justifyFormationLocations();
                mRenderer.rotation_block.active = true;
                mRenderer.formation.send = true;
            } else {
                mRenderer.rotation_block.active = false;
            }
        }

        if (mRenderer.formation.active && mRenderer.formationToggleTransform.active) {

            if (Math.abs(
                    mRenderer.formation.x * mRenderer.scale + mRenderer.dragX * mRenderer.scale - xGL) < .15f
                    && Math.abs(mRenderer.formation.y * mRenderer.scale + mRenderer.dragY * mRenderer.scale
                            - yGL) < .15f) {
                pX = xGL - mRenderer.scale * mRenderer.dragX;
                pY = yGL - mRenderer.scale * mRenderer.dragY;
                mRenderer.setWayPointValues(pX, pY);
                mRenderer.refreshFormationtext();
                mRenderer.justifyFormationLocations();
                mRenderer.center_block.active = true;
                mRenderer.formation.send = true;
            } else {
                mRenderer.center_block.active = false;
            }
        }

        if (mRenderer.formation.active && mRenderer.formationToggleTransform.active) {

            if (Math.abs(mRenderer.formation.x * mRenderer.scale + mRenderer.dragX * mRenderer.scale
                    + mRenderer.formation.val3 * .2f * mRenderer.scale - xGL) < .15f
                    && Math.abs(mRenderer.formation.y * mRenderer.scale + mRenderer.dragY * mRenderer.scale
                            - yGL) < .15f) {
                mRenderer.formation.val3 = (xGL
                        - (mRenderer.formation.x * mRenderer.scale + mRenderer.dragX * mRenderer.scale)) / .2f
                        / mRenderer.scale;
                mRenderer.refreshFormationtext();
                mRenderer.justifyFormationLocations();
                mRenderer.scale_block.active = true;
                mRenderer.formation.send = true;
            } else {
                mRenderer.scale_block.active = false;
            }
        }

        if (mRenderer.formation.active && mRenderer.customFormation.active) {
            for (int i = 0; i < mRenderer.formation.val1; i++) {
                if (target(convertToScreenPosition(mRenderer.formation_locations.x[i], true), xGL,
                        convertToScreenPosition(mRenderer.formation_locations.y[i], false), yGL, .15f)) {
                    //mRenderer.formation.x=mRenderer.formation.x*mRenderer.formation.val1-mRenderer.formation_locations.x[i];
                    //mRenderer.formation.y=mRenderer.formation.y*mRenderer.formation.val1-mRenderer.formation_locations.y[i];

                    mRenderer.formation_locations.x[i] = convertToGlobalPosition(xGL, true);
                    mRenderer.formation_locations.y[i] = convertToGlobalPosition(yGL, false);

                    //mRenderer.formation.x=mRenderer.formation.x+mRenderer.formation_locations.x[i];
                    //mRenderer.formation.x=mRenderer.formation.x/mRenderer.formation.val1;

                    //mRenderer.formation.y=mRenderer.formation.y+mRenderer.formation_locations.y[i];
                    //mRenderer.formation.y=mRenderer.formation.y/mRenderer.formation.val1;
                    mRenderer.refreshCenter();
                    break;
                }
            }
        }

        if (mRenderer.dragToggle.active == true && xGL > workspace && xGL < mapLeft && yGL < mapTop
                && yGL > mapBottom) {
            obsticle.x = xGL / getScale() - mRenderer.dragX;
            obsticle.y = yGL / getScale() - mRenderer.dragY;
            obsticle.Aw = 1;
            obsticle.on = 1;
            newObstacle = true;
        }

        if (mRenderer.gToggle == 0 && mRenderer.fToggle == 0 && mRenderer.directionalDrag.active == true
                && (mRenderer.directionalDrag.active == true
                        && xGL < mRenderer.directionalDrag.left - mRenderer.slider
                        && xGL > mRenderer.directionalDrag.right - mRenderer.slider
                        && yGL > mRenderer.directionalDrag.down && yGL < mRenderer.directionalDrag.up)) {
            v.vibrate(50);
            if (xGL > mRenderer.directionalDrag.left
                    + (mRenderer.directionalDrag.right - mRenderer.directionalDrag.left) / 3
                    - mRenderer.slider) {
                mRenderer.dragX = mRenderer.dragX - .01f;
                System.out.println("LEFT");

            }
            if (xGL < mRenderer.directionalDrag.left
                    + 2 * (mRenderer.directionalDrag.right - mRenderer.directionalDrag.left) / 3
                    - mRenderer.slider) {
                mRenderer.dragX = mRenderer.dragX + .01f;
                System.out.println("RIGHT");
            }

            if (yGL > mRenderer.directionalDrag.up
                    + (mRenderer.directionalDrag.down - mRenderer.directionalDrag.up) / 3) {
                mRenderer.dragY = mRenderer.dragY - .01f;
                System.out.println("UP");
            }
            if (yGL < mRenderer.directionalDrag.up
                    + 2 * (mRenderer.directionalDrag.down - mRenderer.directionalDrag.up) / 3) {
                mRenderer.dragY = mRenderer.dragY + .01f;
                System.out.println("DOWN");
            }
        }

        if (fFlag == 1 && (Math.abs(xGL - previousx) > .03f || Math.abs(yGL - previousy) > .03f)
                && xGL > workspace && xGL < mapLeft && yGL < mapTop && yGL > mapBottom) {
            if (previousx != 0 && previousy != 0) {
                if (firstPointFreeDraw[0] == -1000) {
                    firstPointFreeDraw[0] = previousx;
                    firstPointFreeDraw[1] = previousy;
                } else if (xGL > firstPointFreeDraw[0] + .1f || xGL < firstPointFreeDraw[0] - .1f
                        || yGL > firstPointFreeDraw[1] + .1f || yGL < firstPointFreeDraw[1] - .1f) {
                    connectable = 1;
                } else if (connectable == 1) {
                    fFlag = 0;
                    setFreeDrawCoordinates(firstPointFreeDraw[0], firstPointFreeDraw[1], previousx, previousy,
                            true);
                    v.vibrate(50);
                }

                if (fFlag == 1) {
                    setFreeDrawCoordinates(xGL - mRenderer.dragX * mRenderer.scale,
                            yGL - mRenderer.dragY * mRenderer.scale,
                            previousx - mRenderer.dragX * mRenderer.scale,
                            previousy - mRenderer.dragY * mRenderer.scale, false);
                }

            }

            previousx = xGL;
            previousy = yGL;
        }

        // reverse direction of rotation above the mid-line
        if (y > getHeight() / 2) {
            dx = dx * -1;
        }

        // reverse direction of rotation to left of the mid-line
        if (x < getWidth() / 2) {
            dy = dy * -1;
        }

        if (yGL > -.15f && yGL < .15f && xGL > -(width1 - 115) / (height1 * 2) - mRenderer.slider
                && xGL < -(width1 - 115) / (height1 * 2) - mRenderer.slider + .15f) {
            mRenderer.slider = -(width1 - 115) / (height1 * 2) - xGL;
            if (mRenderer.slider < .1f) {
                mRenderer.slider = 0;
            } else if (mRenderer.slider > -.1f + (width1 - 115) / (height1 * 2)) {
                mRenderer.slider = (width1 - 115) / (height1 * 2);
            }
        }

        mRenderer.setAngle(mRenderer.getAngle() + ((dx + dy) * TOUCH_SCALE_FACTOR)); // = 180.0f / 320
        requestRender();

        if (pFlag == 1 && xGL > workspace && xGL < mapLeft && yGL < mapTop && yGL > mapBottom) {
            pX = xGL - mRenderer.scale * mRenderer.dragX;
            pY = yGL - mRenderer.scale * mRenderer.dragY;
            pFlag2 = 1;
            mRenderer.setpToggle2(pFlag2);
            mRenderer.setWayPointValues(pX, pY);
        }

        //moving gauss
        if (gFlag == 1 && xGL > workspace && xGL < mapLeft && yGL < mapTop && yGL > mapBottom) {
            pX = xGL;
            pY = yGL;
            gFlag2 = 1;
            mRenderer.setpToggle2(gFlag2);
            //TEMP FIX
            mRenderer.updateGauss(xGL, yGL, 0);
            //mRenderer.updateGauss(xGL, yGL, gInd-1);
        }

        if (mRenderer.gToggle == 1 && xGL < mRenderer.bar.left + .04f - mRenderer.slider
                && xGL > mRenderer.bar.right - .04f - mRenderer.slider && yGL > mRenderer.dial.down
                && yGL < mRenderer.dial.up) {
            mRenderer.dial1 = -(xGL - mRenderer.bar.left - mRenderer.slider) / .6f;
            if (mRenderer.dial1 < 0.05) {
                mRenderer.dial1 = 0;
            } else if (mRenderer.dial1 > 1) {
                mRenderer.dial1 = 1;
            } else if (mRenderer.dial1 < .15) {
                mRenderer.dial1 = .1f;
            } else if (mRenderer.dial1 < .25) {
                mRenderer.dial1 = .2f;
            } else if (mRenderer.dial1 < .35) {
                mRenderer.dial1 = .3f;
            } else if (mRenderer.dial1 < .45) {
                mRenderer.dial1 = .4f;
            } else if (mRenderer.dial1 < .55) {
                mRenderer.dial1 = .5f;
            } else if (mRenderer.dial1 < .65) {
                mRenderer.dial1 = .6f;
            } else if (mRenderer.dial1 < .75) {
                mRenderer.dial1 = .7f;
            } else if (mRenderer.dial1 < .85) {
                mRenderer.dial1 = .8f;
            } else if (mRenderer.dial1 < .95) {
                mRenderer.dial1 = .9f;
            } else {
                mRenderer.dial1 = 1;
            }
            mRenderer.textListGaussian.get(1).setText(" " + truncateDecimal(mRenderer.dial1, 1));
            mRenderer.dial.active = true;
            v.vibrate(50);
        }

        if (mRenderer.gToggle == 1 && xGL < mRenderer.bar_2.left + .04f - mRenderer.slider
                && xGL > mRenderer.bar_2.right - .04f - mRenderer.slider && yGL > mRenderer.dial_2.down
                && yGL < mRenderer.dial_2.up) {
            mRenderer.dial2 = -(xGL - mRenderer.bar_2.left - mRenderer.slider) / .6f;
            if (mRenderer.dial2 < 0.05) {
                mRenderer.dial2 = 0;
            } else if (mRenderer.dial2 > 1) {
                mRenderer.dial2 = 1;
            } else if (mRenderer.dial2 < .15) {
                mRenderer.dial2 = .1f;
            } else if (mRenderer.dial2 < .25) {
                mRenderer.dial2 = .2f;
            } else if (mRenderer.dial2 < .35) {
                mRenderer.dial2 = .3f;
            } else if (mRenderer.dial2 < .45) {
                mRenderer.dial2 = .4f;
            } else if (mRenderer.dial2 < .55) {
                mRenderer.dial2 = .5f;
            } else if (mRenderer.dial2 < .65) {
                mRenderer.dial2 = .6f;
            } else if (mRenderer.dial2 < .75) {
                mRenderer.dial2 = .7f;
            } else if (mRenderer.dial2 < .85) {
                mRenderer.dial2 = .8f;
            } else if (mRenderer.dial2 < .95) {
                mRenderer.dial2 = .9f;
            } else {
                mRenderer.dial2 = 1;
            }
            mRenderer.textListGaussian.get(3).setText(" " + truncateDecimal(mRenderer.dial2, 1));
            mRenderer.dial_2.active = true;
            v.vibrate(50);
        }

        if (mRenderer.gToggle == 1 && xGL < mRenderer.bar_3.left + .04f - mRenderer.slider
                && xGL > mRenderer.bar_3.right - .04f - mRenderer.slider && yGL > mRenderer.dial_3.down
                && yGL < mRenderer.dial_3.up) {
            mRenderer.dial3 = -(xGL - mRenderer.bar_3.left - mRenderer.slider) / .6f;
            if (mRenderer.dial3 < 0.05) {
                mRenderer.dial3 = 0;
            } else if (mRenderer.dial3 > 1) {
                mRenderer.dial3 = 1;
            } else if (mRenderer.dial3 < .15) {
                mRenderer.dial3 = .1f;
            } else if (mRenderer.dial3 < .25) {
                mRenderer.dial3 = .2f;
            } else if (mRenderer.dial3 < .35) {
                mRenderer.dial3 = .3f;
            } else if (mRenderer.dial3 < .45) {
                mRenderer.dial3 = .4f;
            } else if (mRenderer.dial3 < .55) {
                mRenderer.dial3 = .5f;
            } else if (mRenderer.dial3 < .65) {
                mRenderer.dial3 = .6f;
            } else if (mRenderer.dial3 < .75) {
                mRenderer.dial3 = .7f;
            } else if (mRenderer.dial3 < .85) {
                mRenderer.dial3 = .8f;
            } else if (mRenderer.dial3 < .95) {
                mRenderer.dial3 = .9f;
            } else {
                mRenderer.dial3 = 1;
            }
            mRenderer.textListGaussian.get(5).setText(" " + truncateDecimal(mRenderer.dial3, 1));
            mRenderer.dial_3.active = true;
            v.vibrate(50);
        }

    case MotionEvent.ACTION_UP:

        mRenderer.tToggle = 1;
        //mRenderer.clear.active = false;

    }

    mPreviousX = x;
    mPreviousY = y;

    antispam = 0;
    return true;
}

From source file:com.android.kit.swipeback.ViewDragHelper.java

/**
 * Check if this event as provided to the parent view's
 * onInterceptTouchEvent should cause the parent to intercept the touch
 * event stream.//from   ww  w.ja  v  a2  s  . co m
 *
 * @param ev MotionEvent provided to onInterceptTouchEvent
 * @return true if the parent view should return true from
 * onInterceptTouchEvent
 */
public boolean shouldInterceptTouchEvent(MotionEvent ev) {

    final int action = MotionEventCompat.getActionMasked(ev);
    final int actionIndex = MotionEventCompat.getActionIndex(ev);

    if (action == MotionEvent.ACTION_DOWN) {
        // Reset things for a new event stream, just in case we didn't get
        // the whole previous stream.
        cancel();
    }

    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(ev);

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX();
        final float y = ev.getY();
        final int pointerId = MotionEventCompat.getPointerId(ev, 0);
        saveInitialMotion(x, y, pointerId);

        final View toCapture = findTopChildUnder((int) x, (int) y);

        // Catch a settling view if possible.
        tryCaptureViewForDrag(toCapture, pointerId);

        final int edgesTouched = mInitialEdgeTouched[pointerId];
        if ((edgesTouched & mTrackingEdges) != 0) {
            mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
        }
        break;
    }
    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
        final float x = MotionEventCompat.getX(ev, actionIndex);
        final float y = MotionEventCompat.getY(ev, actionIndex);

        saveInitialMotion(x, y, pointerId);
        break;
    }
    case MotionEvent.ACTION_MOVE: {
        if (mDragState == STATE_JUDGING) {

            final int i = MotionEventCompat.findPointerIndex(ev, mActivePointerId);

            final float x = MotionEventCompat.getX(ev, i);
            final float y = MotionEventCompat.getY(ev, i);
            final float dx = x - mInitialMotionX[mActivePointerId];
            final float dy = y - mInitialMotionY[mActivePointerId];

            reportNewEdgeDrags(dx, dy, mActivePointerId);

            final View toCapture = findTopChildUnder((int) x, (int) y);
            int slop = checkTouchSlop(toCapture, dx, dy);

            if (slop == -1)
                cancel();
            else if (slop > 0 && tryCaptureViewForDrag(toCapture, mActivePointerId)) {
                break;
            }
            saveLastMotion(ev);
        }
        break;
    }
    case MotionEventCompat.ACTION_POINTER_UP: {
        final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
        clearMotionHistory(pointerId);
        break;
    }

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

    }
    return mDragState == STATE_DRAGGING;
}

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

@Override
public boolean onTouchEvent(MotionEvent event) {
    if (!mIsUserSeekable || !isEnabled()) {
        return false;
    }//from ww w  .j  a v  a2 s .  c o m
    final int xx = Math.round(event.getX());
    final int yy = Math.round(event.getY());

    int pointerIdx = event.getActionIndex();

    Thumb currThumb = null;
    if (event.getActionMasked() == MotionEvent.ACTION_DOWN
            || event.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN) {
        LinkedList<Thumb> closestOnes = getClosestThumb((int) event.getX(pointerIdx));

        if (isInScrollingContainer() && mDraggingThumbs.size() == 0 && exactTouched != null && pointerIdx > 0) {
            //we have been here before => we want to use the bar
            Thumb prevThumb = exactTouched.getFirst();
            onStartTrackingTouch(prevThumb);
            exactTouched = null;
        }

        if (closestOnes != null && !closestOnes.isEmpty()) {
            if (closestOnes.size() == 1) {
                currThumb = closestOnes.getFirst();
                if (isInScrollingContainer() && mDraggingThumbs.size() == 0) {
                    exactTouched = closestOnes;
                }
            } else {
                //we have more than one thumb at the same place and we touched there
                exactTouched = closestOnes;
            }
        }
    } else if (event.getActionMasked() == MotionEvent.ACTION_MOVE) {
        if (exactTouched != null && !exactTouched.isEmpty()) {
            currThumb = getMostMovableThumb(event);
            //check if move actually changed value
            // if (currThumb == null) return false;
        } else if (mDraggingThumbs.size() > pointerIdx) {
            currThumb = mDraggingThumbs.get(pointerIdx);
        }
    } else if (event.getActionMasked() == MotionEvent.ACTION_UP
            || event.getActionMasked() == MotionEvent.ACTION_POINTER_UP) {
        if (mDraggingThumbs.size() > pointerIdx) {
            currThumb = mDraggingThumbs.get(pointerIdx);
        } //else we had a candidate but was never tracked
        else if (exactTouched != null && exactTouched.size() > 0) {
            currThumb = getMostMovableThumb(event);
            exactTouched = null;
        }
    }
    //        else {
    //            LinkedList<Thumb> closestOnes = getClosestThumb((int) event.getX());
    //            currThumb = closestOnes.getFirst();
    //        }

    switch (event.getActionMasked()) {
    case MotionEvent.ACTION_DOWN:
    case MotionEvent.ACTION_POINTER_DOWN:
        if (isInScrollingContainer() && mDraggingThumbs.size() == 0) {
            mTouchDownX = event.getX(pointerIdx);
        } else {
            onStartTrackingTouch(currThumb);
            setThumbValue(currThumb, getValue(event, currThumb), true);
            setHotspot(xx, yy, currThumb);
        }
        break;
    //with move we dont have pointer action so set them all
    case MotionEvent.ACTION_MOVE:
        if (mDraggingThumbs.contains(currThumb)) {
            //need the index
            for (int i = 0; i < mDraggingThumbs.size(); i++) {
                if (mDraggingThumbs.get(i) != null && mDraggingThumbs.get(i).getThumb() != null) {
                    invalidate(mDraggingThumbs.get(i).getThumb().getBounds());
                }
                setThumbValue(mDraggingThumbs.get(i), getValue(event, i, mDraggingThumbs.get(i)), true);

            }
            setHotspot(xx, yy, currThumb);
        } else {
            final float x = event.getX(pointerIdx);
            if (Math.abs(x - mTouchDownX) > mScaledTouchSlop) {
                onStartTrackingTouch(currThumb);
                exactTouched = null;
                setThumbValue(currThumb, getValue(event, currThumb), true);
                setHotspot(xx, yy, currThumb);
            }
        }

        break;

    case MotionEvent.ACTION_UP:
        setPressed(false);
        //there are other pointers left
    case MotionEvent.ACTION_POINTER_UP:
        if (currThumb != null) {
            boolean toUnPress = false;
            if (!isPressed()) {
                setPressed(true);
                toUnPress = true;
            }
            setThumbValue(currThumb, getValue(event, currThumb), true);
            setHotspot(xx, yy, currThumb);
            onStopTrackingTouch(currThumb);
            if (toUnPress) {
                setPressed(false);
            }
        } else {
            //                    currThumb = getClosestThumb(newValue);
            //                    // Touch up when we never crossed the touch slop threshold should
            //                    // be interpreted as a tap-seek to that location.
            //                    onStartTrackingTouch(currThumb);
            //                    setThumbValue(currThumb, newValue, true);
            //                    onStopTrackingTouch(currThumb);
        }
        // ProgressBar doesn't know to repaint the thumb drawable
        // in its inactive state when the touch stops (because the
        // value has not apparently changed)
        invalidate();
        break;
    case MotionEvent.ACTION_CANCEL:
        if (mDraggingThumbs != null) {
            onStopTrackingTouch();
            setPressed(false);
        }
        invalidate(); // see above explanation
        break;
    }
    return true;
}

From source file:com.android.volley.ui.PhotoView.java

private boolean scale(MotionEvent e) {
    boolean handled = false;
    if (mDoubleTapToZoomEnabled && mTransformsEnabled && mDoubleTapOccurred) {
        if (!mDoubleTapDebounce) {
            float currentScale = getScale();
            float targetScale = currentScale * DOUBLE_TAP_SCALE_FACTOR;

            // Ensure the target scale is within our bounds
            targetScale = Math.max(mMinScale, targetScale);
            targetScale = Math.min(mMaxScale, targetScale);

            mScaleRunnable.start(currentScale, targetScale, e.getX(), e.getY());
            handled = true;/*from   w  w  w  .  ja va2  s .c  o  m*/
        }
        mDoubleTapDebounce = false;
    }
    mDoubleTapOccurred = false;
    return handled;
}

From source file:com.aidy.bottomdrawerlayout.DrawerLayout.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    Log.i(TAG, "onTouchEvent()");
    mLeftDragger.processTouchEvent(ev);/*from   w w w .  jav a  2 s .co  m*/
    mRightDragger.processTouchEvent(ev);

    final int action = ev.getAction();
    boolean wantTouchEvents = true;

    switch (action & MotionEventCompat.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN: {
        Log.i(TAG, "onTouchEvent() -- ACTION_DOWN");
        final float x = ev.getX();
        final float y = ev.getY();
        mInitialMotionX = x;
        mInitialMotionY = y;
        mDisallowInterceptRequested = false;
        mChildrenCanceledTouch = false;
        break;
    }

    case MotionEvent.ACTION_UP: {
        Log.i(TAG, "onTouchEvent() -- ACTION_UP");
        final float x = ev.getX();
        final float y = ev.getY();
        boolean peekingOnly = true;
        final View touchedView = mLeftDragger.findTopChildUnder((int) x, (int) y);
        if (touchedView != null && isContentView(touchedView)) {
            final float dx = x - mInitialMotionX;
            final float dy = y - mInitialMotionY;
            final int slop = mLeftDragger.getTouchSlop();
            if (dx * dx + dy * dy < slop * slop) {
                // Taps close a dimmed open drawer but only if it isn't
                // locked open.
                final View openDrawer = findOpenDrawer();
                if (openDrawer != null) {
                    peekingOnly = getDrawerLockMode(openDrawer) == LOCK_MODE_LOCKED_OPEN;
                }
            }
        }
        closeDrawers(peekingOnly);
        mDisallowInterceptRequested = false;
        break;
    }

    case MotionEvent.ACTION_CANCEL: {
        Log.i(TAG, "onTouchEvent() -- ACTION_CANCEL");
        closeDrawers(true);
        mDisallowInterceptRequested = false;
        mChildrenCanceledTouch = false;
        break;
    }
    }

    boolean result = wantTouchEvents;
    Log.i(TAG, "onTouchEvent() -- result = " + result);
    return result;
}

From source file:com.architjn.acjmusicplayer.ui.widget.slidinguppanel.ViewDragHelper.java

/**
 * Check if this event as provided to the parent view's onInterceptTouchEvent should
 * cause the parent to intercept the touch event stream.
 *
 * @param ev MotionEvent provided to onInterceptTouchEvent
 * @return true if the parent view should return true from onInterceptTouchEvent
 *//*from www  .  ja  v  a2 s. c  o  m*/
public boolean shouldInterceptTouchEvent(MotionEvent ev) {
    final int action = MotionEventCompat.getActionMasked(ev);
    final int actionIndex = MotionEventCompat.getActionIndex(ev);

    if (action == MotionEvent.ACTION_DOWN) {
        // Reset things for a new event stream, just in case we didn't get
        // the whole previous stream.
        cancel();
    }

    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(ev);

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX();
        final float y = ev.getY();
        final int pointerId = MotionEventCompat.getPointerId(ev, 0);
        saveInitialMotion(x, y, pointerId);

        final View toCapture = findTopChildUnder((int) x, (int) y);

        // Catch a settling view if possible.
        if (toCapture == mCapturedView && mDragState == STATE_SETTLING) {
            tryCaptureViewForDrag(toCapture, pointerId);
        }

        final int edgesTouched = mInitialEdgesTouched[pointerId];
        if ((edgesTouched & mTrackingEdges) != 0) {
            mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
        }
        break;
    }

    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
        final float x = MotionEventCompat.getX(ev, actionIndex);
        final float y = MotionEventCompat.getY(ev, actionIndex);

        saveInitialMotion(x, y, pointerId);

        // A ViewDragHelper can only manipulate one view at a time.
        if (mDragState == STATE_IDLE) {
            final int edgesTouched = mInitialEdgesTouched[pointerId];
            if ((edgesTouched & mTrackingEdges) != 0) {
                mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
            }
        } else if (mDragState == STATE_SETTLING) {
            // Catch a settling view if possible.
            final View toCapture = findTopChildUnder((int) x, (int) y);
            if (toCapture == mCapturedView) {
                tryCaptureViewForDrag(toCapture, pointerId);
            }
        }
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        // First to cross a touch slop over a draggable view wins. Also report edge drags.
        final int pointerCount = MotionEventCompat.getPointerCount(ev);
        for (int i = 0; i < pointerCount && mInitialMotionX != null && mInitialMotionY != null; i++) {
            final int pointerId = MotionEventCompat.getPointerId(ev, i);
            final float x = MotionEventCompat.getX(ev, i);
            final float y = MotionEventCompat.getY(ev, i);
            final float dx = x - mInitialMotionX[pointerId];
            final float dy = y - mInitialMotionY[pointerId];

            reportNewEdgeDrags(dx, dy, pointerId);
            if (mDragState == STATE_DRAGGING) {
                // Callback might have started an edge drag
                break;
            }

            final View toCapture = findTopChildUnder((int) mInitialMotionX[pointerId],
                    (int) mInitialMotionY[pointerId]);
            if (toCapture != null && checkTouchSlop(toCapture, dx, dy)
                    && tryCaptureViewForDrag(toCapture, pointerId)) {
                break;
            }
        }
        saveLastMotion(ev);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP: {
        final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
        clearMotionHistory(pointerId);
        break;
    }

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

    return mDragState == STATE_DRAGGING;
}

From source file:com.android.kit.swipeback.ViewDragHelper.java

/**
 * Process a touch event received by the parent view. This method will
 * dispatch callback events as needed before returning. The parent view's
 * onTouchEvent implementation should call this.
 *
 * @param ev The touch event received by the parent view
 *///from www  .  j  av a 2s .  c  o m
public void processTouchEvent(MotionEvent ev) {

    final int action = MotionEventCompat.getActionMasked(ev);
    final int actionIndex = MotionEventCompat.getActionIndex(ev);

    if (action == MotionEvent.ACTION_DOWN) {
        // Reset things for a new event stream, just in case we didn't get
        // the whole previous stream.
        cancel();
    }

    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(ev);

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX();
        final float y = ev.getY();
        final int pointerId = MotionEventCompat.getPointerId(ev, 0);
        saveInitialMotion(x, y, pointerId);

        final View toCapture = findTopChildUnder((int) x, (int) y);

        // Catch a settling view if possible.
        tryCaptureViewForDrag(toCapture, pointerId);

        final int edgesTouched = mInitialEdgeTouched[pointerId];
        if ((edgesTouched & mTrackingEdges) != 0) {
            mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
        }
        break;
    }

    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
        final float x = MotionEventCompat.getX(ev, actionIndex);
        final float y = MotionEventCompat.getY(ev, actionIndex);

        saveInitialMotion(x, y, pointerId);
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        if (mDragState == STATE_JUDGING) {

            final int i = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
            final float x = MotionEventCompat.getX(ev, i);
            final float y = MotionEventCompat.getY(ev, i);
            final float dx = x - mInitialMotionX[mActivePointerId];
            final float dy = y - mInitialMotionY[mActivePointerId];

            reportNewEdgeDrags(dx, dy, mActivePointerId);
            if (mDragState == STATE_DRAGGING) {
                // Callback might have started an edge drag.
                break;
            }

            final View toCapture = findTopChildUnder((int) x, (int) y);
            int slop = checkTouchSlop(toCapture, dx, dy);
            if (slop == -1)
                cancel();
            else if (slop > 0 && tryCaptureViewForDrag(toCapture, mActivePointerId)) {
                break;
            }
            saveLastMotion(ev);
        }

        if (mDragState == STATE_DRAGGING) {
            final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
            //????????
            if (index == -1)
                break;

            final float x = MotionEventCompat.getX(ev, index);
            final float y = MotionEventCompat.getY(ev, index);
            final int idx = (int) (x - mLastMotionX[mActivePointerId]);
            final int idy = (int) (y - mLastMotionY[mActivePointerId]);
            dragTo(mCapturedView.getLeft() + idx, mCapturedView.getTop() + idy, idx, idy);
            saveLastMotion(ev);
        }
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP: {
        final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
        clearMotionHistory(pointerId);
        break;
    }

    case MotionEvent.ACTION_UP: {
        if (mDragState == STATE_DRAGGING) {
            releaseViewForPointerUp();
        }
        cancel();
        break;
    }

    case MotionEvent.ACTION_CANCEL: {
        if (mDragState == STATE_DRAGGING) {
            dispatchViewReleased(0, 0);
        }
        cancel();
        break;
    }
    }
}

From source file:com.albedinsky.android.support.ui.widget.ViewDragHelper.java

/**
 * Check if this event as provided to the parent view's onInterceptTouchEvent should
 * cause the parent to intercept the touch event stream.
 *
 * @param ev MotionEvent provided to onInterceptTouchEvent
 * @return true if the parent view should return true from onInterceptTouchEvent
 *//*  ww  w.j a  va 2 s  .co  m*/
public boolean shouldInterceptTouchEvent(MotionEvent ev) {
    final int action = MotionEventCompat.getActionMasked(ev);
    final int actionIndex = MotionEventCompat.getActionIndex(ev);

    if (action == MotionEvent.ACTION_DOWN) {
        // Reset things for a new event stream, just in case we didn't get
        // the whole previous stream.
        cancel();
    }

    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(ev);

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX();
        final float y = ev.getY();
        final int pointerId = MotionEventCompat.getPointerId(ev, 0);
        saveInitialMotion(x, y, pointerId);

        final View toCapture = findTopChildUnder((int) x, (int) y);

        // Catch a settling view if possible.
        if (toCapture == mCapturedView && mDragState == STATE_SETTLING) {
            tryCaptureViewForDrag(toCapture, pointerId);
        }

        final int edgesTouched = mInitialEdgesTouched[pointerId];
        if ((edgesTouched & mTrackingEdges) != 0) {
            mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
        }
        break;
    }

    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
        final float x = MotionEventCompat.getX(ev, actionIndex);
        final float y = MotionEventCompat.getY(ev, actionIndex);

        saveInitialMotion(x, y, pointerId);

        // A ViewDragHelper can only manipulate one view at a time.
        if (mDragState == STATE_IDLE) {
            final int edgesTouched = mInitialEdgesTouched[pointerId];
            if ((edgesTouched & mTrackingEdges) != 0) {
                mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
            }
        } else if (mDragState == STATE_SETTLING) {
            // Catch a settling view if possible.
            final View toCapture = findTopChildUnder((int) x, (int) y);
            if (toCapture == mCapturedView) {
                tryCaptureViewForDrag(toCapture, pointerId);
            }
        }
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        // First to cross a touch slop over a draggable view wins. Also report edge drags.
        final int pointerCount = MotionEventCompat.getPointerCount(ev);
        for (int i = 0; i < pointerCount; i++) {
            final int pointerId = MotionEventCompat.getPointerId(ev, i);
            final float x = MotionEventCompat.getX(ev, i);
            final float y = MotionEventCompat.getY(ev, i);
            final float dx = x - mInitialMotionX[pointerId];
            final float dy = y - mInitialMotionY[pointerId];

            reportNewEdgeDrags(dx, dy, pointerId);
            if (mDragState == STATE_DRAGGING) {
                // Callback might have started an edge drag
                break;
            }

            final View toCapture = findTopChildUnder((int) x, (int) y);
            if (toCapture != null && checkTouchSlop(toCapture, dx, dy)
                    && tryCaptureViewForDrag(toCapture, pointerId)) {
                break;
            }
        }
        saveLastMotion(ev);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP: {
        final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
        clearMotionHistory(pointerId);
        break;
    }

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

    return mDragState == STATE_DRAGGING;
}