Example usage for android.view MotionEvent ACTION_MOVE

Introduction

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

Prototype

int ACTION_MOVE

To view the source code for android.view MotionEvent ACTION_MOVE.

Click Source Link

Document

Constant for #getActionMasked : A change has happened during a press gesture (between #ACTION_DOWN and #ACTION_UP ).

Usage

From source file:com.suan.weclient.fragment.mass.VoiceFragment.java

private void initWidgets() {

    recordLayout = (RelativeLayout) view.findViewById(R.id.voice_record_start);

    recordLayout.setOnTouchListener(new View.OnTouchListener() {
        @Override//from  w w  w.ja  va2s  .  com
        public boolean onTouch(View v, MotionEvent event) {
            switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
                recordLayout.setSelected(true);

                if (!isRecord) {
                    startRecord();

                }

                break;
            case MotionEvent.ACTION_MOVE:

                recordLayout.setSelected(true);

                if (!isRecord) {
                    startRecord();

                }

                break;
            default:

                recordLayout.setSelected(false);

                if (isRecord) {
                    stopRecord();
                }

                break;
            }

            return true;
        }
    });

}

---

From source file:com.brookmanholmes.bma.wizard.ui.StepPagerStrip.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    if (onPageSelectedListener != null) {
        switch (event.getActionMasked()) {
        case MotionEvent.ACTION_DOWN:
        case MotionEvent.ACTION_MOVE:
            int position = hitTest(event.getX());
            if (position >= 0) {
                onPageSelectedListener.onPageStripSelected(position);
            }/*from  w w w . j  a v  a 2s .co m*/
            return true;
        }
    }
    return super.onTouchEvent(event);
}

---

From source file:ca.psiphon.ploggy.FragmentSelfStatusDetails.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.self_status_details, container, false);

    mFragmentComposeMessage = new FragmentComposeMessage();
    FragmentTransaction transaction = getChildFragmentManager().beginTransaction();
    transaction.add(R.id.fragment_self_status_details_compose_message, mFragmentComposeMessage).commit();

    mScrollView = (ScrollView) view.findViewById(R.id.self_status_details_scroll_view);
    mAvatarImage = (ImageView) view.findViewById(R.id.self_status_details_avatar_image);
    mNicknameText = (TextView) view.findViewById(R.id.self_status_details_nickname_text);
    mFingerprintText = (TextView) view.findViewById(R.id.self_status_details_fingerprint_text);
    mMessagesList = (ListView) view.findViewById(R.id.self_status_details_messages_list);
    mLocationLabel = (TextView) view.findViewById(R.id.self_status_details_location_label);
    mLocationStreetAddressLabel = (TextView) view
            .findViewById(R.id.self_status_details_location_street_address_label);
    mLocationStreetAddressText = (TextView) view
            .findViewById(R.id.self_status_details_location_street_address_text);
    mLocationCoordinatesLabel = (TextView) view
            .findViewById(R.id.self_status_details_location_coordinates_label);
    mLocationCoordinatesText = (TextView) view.findViewById(R.id.self_status_details_location_coordinates_text);
    mLocationPrecisionLabel = (TextView) view.findViewById(R.id.self_status_details_location_precision_label);
    mLocationPrecisionText = (TextView) view.findViewById(R.id.self_status_details_location_precision_text);
    mLocationTimestampLabel = (TextView) view.findViewById(R.id.self_status_details_location_timestamp_label);
    mLocationTimestampText = (TextView) view.findViewById(R.id.self_status_details_location_timestamp_text);

    // TODO: use header/footer of listview instead of hack embedding of listview in scrollview
    // from: http://stackoverflow.com/questions/4490821/scrollview-inside-scrollview/11554823#11554823
    mScrollView.setOnTouchListener(new View.OnTouchListener() {
        @Override//from w ww .j av  a2  s  . c o  m
        public boolean onTouch(View view, MotionEvent event) {
            mMessagesList.requestDisallowInterceptTouchEvent(false);
            return false;
        }
    });
    mMessagesList.setOnTouchListener(new View.OnTouchListener() {
        private float downX, downY;

        @Override
        public boolean onTouch(View view, MotionEvent event) {
            // We want to capture vertical scrolling motions for use by
            // the messages list, but we don't want to capture horizontal
            // swiping that should be used to switch tabs. So we're going
            // to decide based on whether the move looks more X-ish or Y-ish.
            if (event.getAction() == MotionEvent.ACTION_DOWN) {
                downX = event.getX();
                downY = event.getY();

                // Make sure the parent is allowed to intercept.
                view.getParent().requestDisallowInterceptTouchEvent(false);
            } else if (event.getAction() == MotionEvent.ACTION_MOVE) {
                float deltaX = downX - event.getX();
                float deltaY = downY - event.getY();
                if (Math.abs(deltaY) > Math.abs(deltaX)) {
                    // Looks like a Y-ish scroll attempt. Disallow parent from intercepting.
                    view.getParent().requestDisallowInterceptTouchEvent(true);
                }
            }

            return false;
        }
    });

    try {
        mMessageAdapter = new MessageAdapter(getActivity(), MessageAdapter.Mode.SELF_MESSAGES);
        mMessagesList.setAdapter(mMessageAdapter);
    } catch (Utils.ApplicationError e) {
        Log.addEntry(LOG_TAG, "failed to load self messages");
    }

    show(view);

    // Refresh the message list every 5 seconds. This updates "time ago" displays.
    // TODO: event driven redrawing?
    mRefreshUIExecutor = new Utils.FixedDelayExecutor(new Runnable() {
        @Override
        public void run() {
            show();
        }
    }, 5000);

    Events.register(this);

    return view;
}

---

From source file:com.app.gongza.libs.view.scrollablelayout.ScrollableLayout.java

@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
    float currentX = ev.getX();
    float currentY = ev.getY();
    float deltaY;
    int shiftX = (int) Math.abs(currentX - mDownX);
    int shiftY = (int) Math.abs(currentY - mDownY);
    switch (ev.getAction()) {
    case MotionEvent.ACTION_DOWN:
        mDisallowIntercept = false;/*from  ww w .  j av a2s  .co m*/
        needCheckUpdown = true;
        updown = true;
        mDownX = currentX;
        mDownY = currentY;
        mLastY = currentY;
        checkIsClickHead((int) currentY, mHeadHeight, getScrollY());
        checkIsClickHeadExpand((int) currentY, mHeadHeight, getScrollY());
        initOrResetVelocityTracker();
        mVelocityTracker.addMovement(ev);
        mScroller.forceFinished(true);
        break;
    case MotionEvent.ACTION_MOVE:
        if (mDisallowIntercept) {
            break;
        }
        initVelocityTrackerIfNotExists();
        mVelocityTracker.addMovement(ev);
        deltaY = mLastY - currentY;
        if (needCheckUpdown) {
            if (shiftX > mTouchSlop && shiftX > shiftY) {
                needCheckUpdown = false;
                updown = false;
            } else if (shiftY > mTouchSlop && shiftY > shiftX) {
                needCheckUpdown = false;
                updown = true;
            }
        }

        if (updown && shiftY > mTouchSlop && shiftY > shiftX
                && (!isSticked() || mHelper.isTop() || isClickHeadExpand)) {

            if (childViewPager != null) {
                childViewPager.requestDisallowInterceptTouchEvent(true);
            }
            scrollBy(0, (int) (deltaY + 0.5));
        }
        mLastY = currentY;
        break;
    case MotionEvent.ACTION_UP:
        if (updown && shiftY > shiftX && shiftY > mTouchSlop) {
            mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
            float yVelocity = -mVelocityTracker.getYVelocity();
            boolean dislowChild = false;
            if (Math.abs(yVelocity) > mMinimumVelocity) {
                mDirection = yVelocity > 0 ? DIRECTION.UP : DIRECTION.DOWN;
                if ((mDirection == DIRECTION.UP && isSticked())
                        || (!isSticked() && getScrollY() == 0 && mDirection == DIRECTION.DOWN)) {
                    dislowChild = true;
                } else {
                    mScroller.fling(0, getScrollY(), 0, (int) yVelocity, 0, 0, -Integer.MAX_VALUE,
                            Integer.MAX_VALUE);
                    mScroller.computeScrollOffset();
                    mLastScrollerY = getScrollY();
                    invalidate();
                }
            }
            if (!dislowChild && (isClickHead || !isSticked())) {
                int action = ev.getAction();
                ev.setAction(MotionEvent.ACTION_CANCEL);
                boolean dispathResult = super.dispatchTouchEvent(ev);
                ev.setAction(action);
                return dispathResult;
            }
        }
        break;
    default:
        break;
    }
    super.dispatchTouchEvent(ev);
    return true;
}

---

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

/**
 * Observes motion events and determines when to start forwarding.
 *
 * @param srcEvent motion event in source view coordinates
 * @return true to start forwarding motion events, false otherwise
 *///  w ww  .  j  a  va 2  s  . c  om
private boolean onTouchObserved(MotionEvent srcEvent) {
    final View src = mSrc;
    if (!src.isEnabled()) {
        return false;
    }

    final int actionMasked = MotionEventCompat.getActionMasked(srcEvent);
    switch (actionMasked) {
    case MotionEvent.ACTION_DOWN:
        mActivePointerId = srcEvent.getPointerId(0);

        if (mDisallowIntercept == null) {
            mDisallowIntercept = new DisallowIntercept();
        }
        src.postDelayed(mDisallowIntercept, mTapTimeout);

        if (mTriggerLongPress == null) {
            mTriggerLongPress = new TriggerLongPress();
        }
        src.postDelayed(mTriggerLongPress, mLongPressTimeout);
        break;
    case MotionEvent.ACTION_MOVE:
        final int activePointerIndex = srcEvent.findPointerIndex(mActivePointerId);
        if (activePointerIndex >= 0) {
            final float x = srcEvent.getX(activePointerIndex);
            final float y = srcEvent.getY(activePointerIndex);

            // Has the pointer moved outside of the view?
            if (!pointInView(src, x, y, mScaledTouchSlop)) {
                clearCallbacks();

                // Don't let the parent intercept our events.
                src.getParent().requestDisallowInterceptTouchEvent(true);
                return true;
            }
        }
        break;
    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        clearCallbacks();
        break;
    }

    return false;
}

---

From source file:com.bobomee.android.recyclerviewhelper.fastscroll.FastScroller.java

@Override
public boolean onTouchEvent(@NonNull MotionEvent event) {
    int action = event.getAction();
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        if (event.getX() < handle.getX() - ViewCompat.getPaddingStart(handle))
            return false;
        if (currentAnimator != null)
            currentAnimator.cancel();/*  ww  w.ja v a2s.c om*/
        handle.setSelected(true);
        mOnScrollStateChange.onFastScrollerStateChange(true);
        showBubble();
    case MotionEvent.ACTION_MOVE:
        float y = event.getY();
        setBubbleAndHandlePosition(y);
        onScrollPosition(y);
        return true;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        handle.setSelected(false);
        mOnScrollStateChange.onFastScrollerStateChange(false);
        hideBubble();
        return true;
    }
    return super.onTouchEvent(event);
}

---

From source file:com.chengmeng.tools.views.slidepage.ScrollableLayout.java

@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
    float currentX = ev.getX();
    float currentY = ev.getY();
    float deltaY;
    int shiftX = (int) Math.abs(currentX - mDownX);
    int shiftY = (int) Math.abs(currentY - mDownY);
    switch (ev.getAction()) {
    case MotionEvent.ACTION_DOWN:
        is_touching = 0;/*  w ww  .  j  a v  a  2s  . c o m*/
        mDisallowIntercept = false;
        needCheckUpdown = true;
        updown = true;
        mDownX = currentX;
        mDownY = currentY;
        mLastY = currentY;
        checkIsClickHead((int) currentY, mHeadHeight, getScrollY());
        checkIsClickHeadExpand((int) currentY, mHeadHeight, getScrollY());
        initOrResetVelocityTracker();
        mVelocityTracker.addMovement(ev);
        mScroller.forceFinished(true);
        break;
    case MotionEvent.ACTION_MOVE:
        is_touching++;
        if (mDisallowIntercept) {
            break;
        }
        initVelocityTrackerIfNotExists();
        mVelocityTracker.addMovement(ev);
        deltaY = mLastY - currentY;
        if (needCheckUpdown) {
            if (shiftX > mTouchSlop && shiftX > shiftY) {
                needCheckUpdown = false;
                updown = false;
            } else if (shiftY > mTouchSlop && shiftY > shiftX) {
                needCheckUpdown = false;
                updown = true;
            }
        }
        if (updown && shiftY > mTouchSlop && shiftY > shiftX
                && (!isSticked() || mHelper.isTop() || isClickHeadExpand)) {

            if (childViewPager != null) {
                childViewPager.requestDisallowInterceptTouchEvent(true);
            }
            scrollBy(0, (int) (deltaY + 0.5));
        }
        mLastY = currentY;
        break;
    case MotionEvent.ACTION_UP:
        if (updown && shiftY > shiftX && shiftY > mTouchSlop) {
            mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
            float yVelocity = -mVelocityTracker.getYVelocity();
            boolean dislowChild = false;
            if (Math.abs(yVelocity) > mMinimumVelocity) {
                mDirection = yVelocity > 0 ? DIRECTION.UP : DIRECTION.DOWN;
                if ((mDirection == DIRECTION.UP && isSticked())
                        || (!isSticked() && getScrollY() == 0 && mDirection == DIRECTION.DOWN)) {
                    dislowChild = true;
                } else {
                    mScroller.fling(0, getScrollY(), 0, (int) yVelocity, 0, 0, -Integer.MAX_VALUE,
                            Integer.MAX_VALUE);
                    mScroller.computeScrollOffset();
                    mLastScrollerY = getScrollY();
                    invalidate();
                }
            }
            if (!dislowChild && (isClickHead || !isSticked())) {
                int action = ev.getAction();
                ev.setAction(MotionEvent.ACTION_CANCEL);
                boolean dispathResult = super.dispatchTouchEvent(ev);
                ev.setAction(action);
                return dispathResult;
            }
        }
        break;
    default:
        break;
    }
    super.dispatchTouchEvent(ev);
    return true;
}

---

From source file:com.andview.refreshview.swipe.SwipeMenuLayout.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    boolean isIntercepted = super.onInterceptTouchEvent(ev);
    int action = ev.getAction();
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mDownX = mLastX = (int) ev.getX();
        mDownY = (int) ev.getY();
        isIntercepted = false;//w  w w. ja  va  2  s .c o  m
        break;
    case MotionEvent.ACTION_MOVE:
        int disX = (int) (ev.getX() - mDownX);
        int disY = (int) (ev.getY() - mDownY);
        isIntercepted = Math.abs(disX) > mScaledTouchSlop && Math.abs(disX) > Math.abs(disY);
        break;
    case MotionEvent.ACTION_UP:
        isIntercepted = false;
        if (isMenuOpen() && mSwipeCurrentHorizontal.isClickOnContentView(getWidth(), ev.getX())) {
            smoothCloseMenu();
            isIntercepted = true;
        }
        break;
    case MotionEvent.ACTION_CANCEL:
        isIntercepted = false;
        if (!mScroller.isFinished())
            mScroller.abortAnimation();
        break;
    }
    return isIntercepted;
}

---

From source file:gov.sfmta.sfpark.AnnotationsOverlay.java

@Override
public boolean onTouchEvent(MotionEvent e, MapView mapView) {
    int fingers = e.getPointerCount();
    int action = e.getAction();

    Log.v(TAG, "onTouchEvent " + action);

    if (action == MotionEvent.ACTION_DOWN) {
        isPinch = false;/*from   w w w.  ja  v  a 2 s. com*/
    }

    if (action == MotionEvent.ACTION_MOVE && fingers == 2) {
        isPinch = true;
    }

    if (popupView != null) {
        MainScreenActivity.mapView.removeView(popupView);
        popupView = null;
    }

    return super.onTouchEvent(e, mapView);
}

---

From source file:com.arthurpitman.common.SlidingPanel.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    float y = event.getY();
    int action = event.getActionMasked();
    int pointerId = event.getPointerId(event.getActionIndex());

    switch (action) {
    case MotionEvent.ACTION_POINTER_DOWN:
    case MotionEvent.ACTION_DOWN:
        startTouchY = y;/*from w ww  . j  a va2  s  .  c o  m*/
        startTouchScrollY = getScrollY();

        // if touch didn't occur on the actual control, ignore it
        float touchBoundary = viewHeight - collapsedHeight - startTouchScrollY;
        if (y < touchBoundary) {
            return false;
        }

        // start tracking velocity
        if (velocityTracker == null) {
            velocityTracker = VelocityTracker.obtain();
        } else {
            velocityTracker.clear();
        }
        velocityTracker.addMovement(event);
        break;

    case MotionEvent.ACTION_MOVE:
        // determine if a valid touch has started
        if (Math.abs(y - startTouchY) > touchSlop) {
            touchState = TOUCH_STARTED;
        }
        if (velocityTracker != null) {
            velocityTracker.addMovement(event);
        }

        // scroll as appropriate
        if (touchState == TOUCH_STARTED) {
            final int scrollDelta = (int) (startTouchY - y);
            scrollTo(0, Math.max(0, Math.min(viewHeight, startTouchScrollY + scrollDelta)));
        }
        break;

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_POINTER_UP:
    case MotionEvent.ACTION_UP:
        if (touchState == TOUCH_STARTED) {
            final int currentScrollY = getScrollY();

            // get velocity
            float velocity = 0;
            if (velocityTracker != null) {
                velocityTracker.computeCurrentVelocity(1000);
                velocity = VelocityTrackerCompat.getYVelocity(velocityTracker, pointerId);
                velocityTracker.recycle();
                velocityTracker = null;
            }

            // snap to final scroll position
            int target = startTouchScrollY;
            if ((Math.abs(velocity) > minimumflingVelocity) || (Math.abs(y - startTouchY) > (viewHeight / 2))) {
                if (velocity < 0) {
                    target = viewHeight;
                } else {
                    target = 0;
                }
            }
            scroller.startScroll(0, currentScrollY, 0, target - currentScrollY);
            invalidate();
            touchState = TOUCH_NONE;
        }
        break;
    }
    return true;
}

---

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