Example usage for android.view MotionEvent getAction

Introduction

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

Prototype

public final int getAction() 

Source Link

Document

Return the kind of action being performed.

Usage

From source file:com.ahutjw.indicator.TitlePageIndicator.java

@Override
public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }/*  w w w  .  ja  va 2 s . com*/
    if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) {
        return false;
    }

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mLastMotionX = ev.getX();
        break;

    case MotionEvent.ACTION_MOVE: {
        final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        final float x = MotionEventCompat.getX(ev, activePointerIndex);
        final float deltaX = x - mLastMotionX;

        if (!mIsDragging) {
            if (Math.abs(deltaX) > mTouchSlop) {
                mIsDragging = true;
            }
        }

        if (mIsDragging) {
            mLastMotionX = x;
            if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
                mViewPager.fakeDragBy(deltaX);
            }
        }

        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        if (!mIsDragging) {
            final int count = mViewPager.getAdapter().getCount();
            final int width = getWidth();
            final float halfWidth = width / 2f;
            final float sixthWidth = width / 6f;
            final float leftThird = halfWidth - sixthWidth;
            final float rightThird = halfWidth + sixthWidth;
            final float eventX = ev.getX();

            if (eventX < leftThird) {
                if (mCurrentPage > 0) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage - 1);
                    }
                    return true;
                }
            } else if (eventX > rightThird) {
                if (mCurrentPage < count - 1) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage + 1);
                    }
                    return true;
                }
            } else {
                //Middle third
                if (mCenterItemClickListener != null && action != MotionEvent.ACTION_CANCEL) {
                    mCenterItemClickListener.onCenterItemClick(mCurrentPage);
                }
            }
        }

        mIsDragging = false;
        mActivePointerId = INVALID_POINTER;
        if (mViewPager.isFakeDragging())
            mViewPager.endFakeDrag();
        break;

    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int index = MotionEventCompat.getActionIndex(ev);
        mLastMotionX = MotionEventCompat.getX(ev, index);
        mActivePointerId = MotionEventCompat.getPointerId(ev, index);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP:
        final int pointerIndex = MotionEventCompat.getActionIndex(ev);
        final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
        if (pointerId == mActivePointerId) {
            final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
            mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
        }
        mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
        break;
    }

    return true;
}

---

From source file:com.along.altmcssd.pda.widget.viewpagerindicator.TitlePageIndicator.java

public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }//from  w  ww. j  a v a2s.  c  om
    if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) {
        return false;
    }

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mLastMotionX = ev.getX();
        break;

    case MotionEvent.ACTION_MOVE: {
        final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        final float x = MotionEventCompat.getX(ev, activePointerIndex);
        final float deltaX = x - mLastMotionX;

        if (!mIsDragging) {
            if (Math.abs(deltaX) > mTouchSlop) {
                mIsDragging = true;
            }
        }

        if (mIsDragging) {
            mLastMotionX = x;
            if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
                mViewPager.fakeDragBy(deltaX);
            }
        }

        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        if (!mIsDragging) {
            final int count = mViewPager.getAdapter().getCount();
            final int width = getWidth();
            final float halfWidth = width / 2f;
            final float sixthWidth = width / 6f;
            final float leftThird = halfWidth - sixthWidth;
            final float rightThird = halfWidth + sixthWidth;
            final float eventX = ev.getX();

            if (eventX < leftThird) {
                if (mCurrentPage > 0) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage - 1);
                    }
                    return true;
                }
            } else if (eventX > rightThird) {
                if (mCurrentPage < count - 1) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage + 1);
                    }
                    return true;
                }
            } else {
                // Middle third
                if (mCenterItemClickListener != null && action != MotionEvent.ACTION_CANCEL) {
                    mCenterItemClickListener.onCenterItemClick(mCurrentPage);
                }
            }
        }

        mIsDragging = false;
        mActivePointerId = INVALID_POINTER;
        if (mViewPager.isFakeDragging())
            mViewPager.endFakeDrag();
        break;

    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int index = MotionEventCompat.getActionIndex(ev);
        mLastMotionX = MotionEventCompat.getX(ev, index);
        mActivePointerId = MotionEventCompat.getPointerId(ev, index);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP:
        final int pointerIndex = MotionEventCompat.getActionIndex(ev);
        final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
        if (pointerId == mActivePointerId) {
            final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
            mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
        }
        mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
        break;
    }

    return true;
}

---

From source file:android.hqs.view.pager.indicator.TitlePageIndicator.java

public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }/*  w w w . j av  a  2s .co  m*/
    if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) {
        return false;
    }

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mLastMotionX = ev.getX();
        break;

    case MotionEvent.ACTION_MOVE: {
        final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        final float x = MotionEventCompat.getX(ev, activePointerIndex);
        final float deltaX = x - mLastMotionX;

        if (!mIsDragging) {
            if (Math.abs(deltaX) > mTouchSlop) {
                mIsDragging = true;
            }
        }

        if (mIsDragging) {
            mLastMotionX = x;
            if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
                mViewPager.fakeDragBy(deltaX);
            }
        }

        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        if (!mIsDragging) {
            final int count = mViewPager.getAdapter().getCount();
            final int width = getWidth();
            final float halfWidth = width / 2f;
            final float sixthWidth = width / 6f;
            final float leftThird = halfWidth - sixthWidth;
            final float rightThird = halfWidth + sixthWidth;
            final float eventX = ev.getX();

            if (eventX < leftThird) {
                if (mCurrentPage > 0) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage - 1);
                    }
                    return true;
                }
            } else if (eventX > rightThird) {
                if (mCurrentPage < count - 1) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage + 1);
                    }
                    return true;
                }
            } else {
                //Middle third
                if (mCenterItemClickListener != null && action != MotionEvent.ACTION_CANCEL) {
                    mCenterItemClickListener.onCenterItemClick(mCurrentPage);
                }
            }
        }

        mIsDragging = false;
        mActivePointerId = INVALID_POINTER;
        if (mViewPager.isFakeDragging())
            mViewPager.endFakeDrag();
        break;

    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int index = MotionEventCompat.getActionIndex(ev);
        mLastMotionX = MotionEventCompat.getX(ev, index);
        mActivePointerId = MotionEventCompat.getPointerId(ev, index);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP:
        final int pointerIndex = MotionEventCompat.getActionIndex(ev);
        final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
        if (pointerId == mActivePointerId) {
            final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
            mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
        }
        mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
        break;
    }

    return true;
}

---

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

@Override
public boolean onTouchEvent(MotionEvent event) {
    // Call the superclass onTouchEvent first, because sometimes it changes the state to
    // isPressed() on an ACTION_UP
    boolean result = super.onTouchEvent(event);

    // Check for a stylus button press, if it occurs cancel any long press checks.
    if (mStylusEventHelper.onMotionEvent(event)) {
        mLongPressHelper.cancelLongPress();
        result = true;/*from w  ww. jav  a 2s  .c  o  m*/
    }

    switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
        // So that the pressed outline is visible immediately on setStayPressed(),
        // we pre-create it on ACTION_DOWN (it takes a small but perceptible amount of time
        // to create it)
        if (!mDeferShadowGenerationOnTouch && mPressedBackground == null) {
            mPressedBackground = mOutlineHelper.createMediumDropShadow(this);
        }

        // If we're in a stylus button press, don't check for long press.
        if (!mStylusEventHelper.inStylusButtonPressed()) {
            mLongPressHelper.postCheckForLongPress();
        }
        break;
    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        // If we've touched down and up on an item, and it's still not "pressed", then
        // destroy the pressed outline
        if (!isPressed()) {
            mPressedBackground = null;
        }

        mLongPressHelper.cancelLongPress();
        break;
    case MotionEvent.ACTION_MOVE:
        if (!Utilities.pointInView(this, event.getX(), event.getY(), mSlop)) {
            mLongPressHelper.cancelLongPress();
        }
        break;
    }
    return result;
}

---

From source file:com.android.datetimepicker.time.RadialPickerLayout.java

@Override
public boolean onTouch(View v, MotionEvent event) {
    final float eventX = event.getX();
    final float eventY = event.getY();
    int degrees;//from w w  w .  j a  v a2  s.  c  o m
    int value;
    final Boolean[] isInnerCircle = new Boolean[1];
    isInnerCircle[0] = false;

    switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
        if (!mInputEnabled) {
            return true;
        }

        mDownX = eventX;
        mDownY = eventY;

        mLastValueSelected = -1;
        mDoingMove = false;
        mDoingTouch = true;
        // If we're showing the AM/PM, check to see if the user is touching it.
        if (!mHideAmPm) {
            mIsTouchingAmOrPm = mAmPmCirclesView.getIsTouchingAmOrPm(eventX, eventY);
        } else {
            mIsTouchingAmOrPm = -1;
        }
        if (mIsTouchingAmOrPm == AM || mIsTouchingAmOrPm == PM) {
            // If the touch is on AM or PM, set it as "touched" after the TAP_TIMEOUT
            // in case the user moves their finger quickly.
            mHapticFeedbackController.tryVibrate();
            mDownDegrees = -1;
            mHandler.postDelayed(new Runnable() {
                @Override
                public void run() {
                    mAmPmCirclesView.setAmOrPmPressed(mIsTouchingAmOrPm);
                    mAmPmCirclesView.invalidate();
                }
            }, TAP_TIMEOUT);
        } else {
            // If we're in accessibility mode, force the touch to be legal. Otherwise,
            // it will only register within the given touch target zone.
            boolean forceLegal = AccessibilityManagerCompat.isTouchExplorationEnabled(mAccessibilityManager);
            // Calculate the degrees that is currently being touched.
            mDownDegrees = getDegreesFromCoords(eventX, eventY, forceLegal, isInnerCircle);
            if (mDownDegrees != -1) {
                // If it's a legal touch, set that number as "selected" after the
                // TAP_TIMEOUT in case the user moves their finger quickly.
                mHapticFeedbackController.tryVibrate();
                mHandler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        mDoingMove = true;
                        int value = reselectSelector(mDownDegrees, isInnerCircle[0], false, true);
                        mLastValueSelected = value;
                        mListener.onValueSelected(getCurrentItemShowing(), value, false);
                    }
                }, TAP_TIMEOUT);
            }
        }
        return true;
    case MotionEvent.ACTION_MOVE:
        if (!mInputEnabled) {
            // We shouldn't be in this state, because input is disabled.
            Log.e(TAG, "Input was disabled, but received ACTION_MOVE.");
            return true;
        }

        float dY = Math.abs(eventY - mDownY);
        float dX = Math.abs(eventX - mDownX);

        if (!mDoingMove && dX <= TOUCH_SLOP && dY <= TOUCH_SLOP) {
            // Hasn't registered down yet, just slight, accidental movement of finger.
            break;
        }

        // If we're in the middle of touching down on AM or PM, check if we still are.
        // If so, no-op. If not, remove its pressed state. Either way, no need to check
        // for touches on the other circle.
        if (mIsTouchingAmOrPm == AM || mIsTouchingAmOrPm == PM) {
            mHandler.removeCallbacksAndMessages(null);
            int isTouchingAmOrPm = mAmPmCirclesView.getIsTouchingAmOrPm(eventX, eventY);
            if (isTouchingAmOrPm != mIsTouchingAmOrPm) {
                mAmPmCirclesView.setAmOrPmPressed(-1);
                mAmPmCirclesView.invalidate();
                mIsTouchingAmOrPm = -1;
            }
            break;
        }

        if (mDownDegrees == -1) {
            // Original down was illegal, so no movement will register.
            break;
        }

        // We're doing a move along the circle, so move the selection as appropriate.
        mDoingMove = true;
        mHandler.removeCallbacksAndMessages(null);
        degrees = getDegreesFromCoords(eventX, eventY, true, isInnerCircle);
        if (degrees != -1) {
            value = reselectSelector(degrees, isInnerCircle[0], false, true);
            if (value != mLastValueSelected) {
                mHapticFeedbackController.tryVibrate();
                mLastValueSelected = value;
                mListener.onValueSelected(getCurrentItemShowing(), value, false);
            }
        }
        return true;
    case MotionEvent.ACTION_UP:
        if (!mInputEnabled) {
            // If our touch input was disabled, tell the listener to re-enable us.
            Log.d(TAG, "Input was disabled, but received ACTION_UP.");
            mListener.onValueSelected(ENABLE_PICKER_INDEX, 1, false);
            return true;
        }

        mHandler.removeCallbacksAndMessages(null);
        mDoingTouch = false;

        // If we're touching AM or PM, set it as selected, and tell the listener.
        if (mIsTouchingAmOrPm == AM || mIsTouchingAmOrPm == PM) {
            int isTouchingAmOrPm = mAmPmCirclesView.getIsTouchingAmOrPm(eventX, eventY);
            mAmPmCirclesView.setAmOrPmPressed(-1);
            mAmPmCirclesView.invalidate();

            if (isTouchingAmOrPm == mIsTouchingAmOrPm) {
                mAmPmCirclesView.setAmOrPm(isTouchingAmOrPm);
                if (getIsCurrentlyAmOrPm() != isTouchingAmOrPm) {
                    mListener.onValueSelected(AMPM_INDEX, mIsTouchingAmOrPm, false);
                    setValueForItem(AMPM_INDEX, isTouchingAmOrPm);
                }
            }
            mIsTouchingAmOrPm = -1;
            break;
        }

        // If we have a legal degrees selected, set the value and tell the listener.
        if (mDownDegrees != -1) {
            degrees = getDegreesFromCoords(eventX, eventY, mDoingMove, isInnerCircle);
            if (degrees != -1) {
                value = reselectSelector(degrees, isInnerCircle[0], !mDoingMove, false);
                if (getCurrentItemShowing() == HOUR_INDEX && !mIs24HourMode) {
                    int amOrPm = getIsCurrentlyAmOrPm();
                    if (amOrPm == AM && value == 12) {
                        value = 0;
                    } else if (amOrPm == PM && value != 12) {
                        value += 12;
                    }
                }
                setValueForItem(getCurrentItemShowing(), value);
                mListener.onValueSelected(getCurrentItemShowing(), value, true);
            }
        }
        mDoingMove = false;
        return true;
    default:
        break;
    }
    return false;
}

---

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

/**
 * Pinch to zoom.//from   w w  w. j  av a  2  s.  c o m
 */
@Override
public boolean onTouch(View v, MotionEvent e) {
    // MotionEvent reports input details from the touch screen
    // and other input controls.
    float newDist = 0;

    switch (e.getAction()) {

    case MotionEvent.ACTION_MOVE:

        // pinch to zoom
        if (e.getPointerCount() == 2) {
            if (distance == 0) {
                distance = fingerDist(e);
            }

            newDist = fingerDist(e);

            zoom *= distance / newDist;

            dynamicPlot.setMaxRange(zoom * Math.log(zoom));
            dynamicPlot.setMinRange(-zoom * Math.log(zoom));

            distance = newDist;
        }
    }

    return false;
}

---

From source file:heartware.com.heartware_master.FriendsFragment.java

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

    mMeetupDialog = new MeetupDialogFragment();

    profilePictureView = (ProfilePictureView) view.findViewById(R.id.selection_profile_pic);
    profilePictureView.setCropped(true);
    bLoginButton = (LoginButton) view.findViewById(R.id.login_button);
    bLoginButton.setReadPermissions("user_friends");
    bLoginButton.setFragment(this);
    bLoginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
        @Override// w  w  w.  j  a va2s . com
        public void onSuccess(LoginResult loginResult) {
            Toast.makeText(getActivity(), "Login successful", Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onCancel() {
            Toast.makeText(getActivity(), "Login canceled", Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onError(FacebookException e) {
            Toast.makeText(getActivity(), "Login error", Toast.LENGTH_SHORT).show();
        }
    });

    bMeetup = (ImageButton) view.findViewById(R.id.create_meetup);
    bMeetup.getBackground().setColorFilter(0xFFFFFFFF, PorterDuff.Mode.MULTIPLY);
    shareButton = (ShareButton) view.findViewById(R.id.share_button);
    listView = (ListView) view.findViewById(R.id.selection_list);
    photoThumbnail = (ImageView) view.findViewById(R.id.selected_image);

    bMeetup.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {

        }
    });

    bMeetup.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            // show interest in events resulting from ACTION_DOWN
            if (event.getAction() == MotionEvent.ACTION_DOWN) {
                bMeetup.setSelected(true);
                createMeetup();
                return true;
            }
            // don't handle event unless its ACTION_UP so "doSomething()" only runs once.

            if (event.getAction() != MotionEvent.ACTION_UP) {
                bMeetup.setSelected(false);

                return false;
            }

            return true;
        }
    });

    shareButton.registerCallback(callbackManager, shareCallback);
    shareButton.setFragment(this);

    init(savedInstanceState);
    updateWithToken(AccessToken.getCurrentAccessToken());

    return view;
}

---

From source file:com.orbar.pxdemo.ImageView.FivePXImageFragment.java

private void setupMap(String latitude, String longitude, String imageName, String imageDescription) {

    map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map)).getMap();

    // get references to transparent image and ScrollView
    final ScrollView mainScrollView = (ScrollView) rootView.findViewById(R.id.image_details_scrollView);
    ImageView transparentImageView = (ImageView) rootView.findViewById(R.id.transparent_image);

    // allows scrolling on the map independently of the scrollView
    transparentImageView.setOnTouchListener(new View.OnTouchListener() {

        @Override/*from   w  w  w.  j a  v a  2s.  c  o m*/
        public boolean onTouch(View v, MotionEvent event) {
            int action = event.getAction();

            switch (action) {
            case MotionEvent.ACTION_DOWN:
                // Disallow ScrollView to intercept touch events.
                mainScrollView.requestDisallowInterceptTouchEvent(true);
                // Disable touch on transparent view
                return false;

            case MotionEvent.ACTION_UP:
                // Allow ScrollView to intercept touch events.
                mainScrollView.requestDisallowInterceptTouchEvent(false);
                return true;

            case MotionEvent.ACTION_MOVE:
                mainScrollView.requestDisallowInterceptTouchEvent(true);
                return false;

            default:
                return true;
            }
        }

    });

    LatLng imageLocation = new LatLng(Double.valueOf(latitude), Double.valueOf(longitude));
    LatLng mapCenter = new LatLng(Double.valueOf(latitude) - 1, Double.valueOf(longitude));

    map.addMarker(new MarkerOptions().position(imageLocation).snippet(imageDescription).title(imageName));

    // Move the camera instantly to position with a zoom of 6.
    map.moveCamera(CameraUpdateFactory.newLatLngZoom(mapCenter, 6));

}

---

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