Example usage for android.view ViewParent requestDisallowInterceptTouchEvent

Introduction

In this page you can find the example usage for android.view ViewParent requestDisallowInterceptTouchEvent.

Prototype

public void requestDisallowInterceptTouchEvent(boolean disallowIntercept);

Source Link

Document

Called when a child does not want this parent and its ancestors to intercept touch events with ViewGroup#onInterceptTouchEvent(MotionEvent) .

Usage

From source file:com.example.pdftranslator.ScreenSlidePageFragment.java

@Override
public boolean onTouch(View v, MotionEvent event) {

    ViewParent parent = ((TextView) v).getParent();
    parent.requestDisallowInterceptTouchEvent(true);

    switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
        determineWordSelected(v, event);
        break;//  w w  w.j  a v a  2s.c  o m

    default:
        break;
    }

    return true;
}

---

From source file:com.anl.wxb.jieqi.view.VerticalSeekBar.java

/**
 * Tries to claim the user's drag motion, and requests disallowing any
 * ancestors from stealing events in the drag.
 * *///from   w  w  w. j a v  a  2  s  .c o m
private void attemptClaimDrag(boolean active) {
    final ViewParent parent = getParent();
    if (parent != null) {
        parent.requestDisallowInterceptTouchEvent(active);
    }
}

---

From source file:com.uzmap.pkg.uzmodules.uzBMap.methods.MapOpen.java

private void requestParentDisallowInterceptTouchEvent(boolean disallowIntercept) {
    final ViewParent parent = mMapView.getParent();
    if (parent != null) {
        parent.requestDisallowInterceptTouchEvent(disallowIntercept);
    }/*from  ww  w . j  a  v a2  s.co  m*/
}

---

From source file:com.tr4android.recyclerviewslideitem.SwipeItem.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    mDragHelper.processTouchEvent(ev);/*  w  w  w  . j  av  a 2s .  co m*/
    // handle parent scroll behaviour
    if (Math.abs(mSwipeItem.getLeft()) > mTouchSlop) {
        // disable parent scrolling
        ViewParent parent = getParent();
        if (parent != null)
            parent.requestDisallowInterceptTouchEvent(true);
    } else if (MotionEventCompat.getActionMasked(ev) == MotionEvent.ACTION_UP
            || MotionEventCompat.getActionMasked(ev) == MotionEvent.ACTION_CANCEL) {
        // enable parent scrolling
        ViewParent parent = getParent();
        if (parent != null)
            parent.requestDisallowInterceptTouchEvent(false);
    }
    return true;
}

---

From source file:com.conduit.plastic.widget.NestedWebView.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (this.position == ScrollStateChangedListener.ScrollState.MIDDLE) {
        switch (ev.getAction()) {
        case MotionEvent.ACTION_DOWN: {
            this.mIsBeingDragged = false;
            this.mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
            this.startNestedScroll(2);
            break;
        }//from   w  ww. j  a va2  s  .  co m
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_CANCEL: {
            this.endTouch();
            break;
        }
        }
        super.onTouchEvent(ev);
        return true;
    }
    final int actionMasked = MotionEventCompat.getActionMasked(ev);
    initVelocityTrackerIfNotExists();
    MotionEvent vtev = MotionEvent.obtain(ev);
    final int index = MotionEventCompat.getActionIndex(ev);
    if (actionMasked == MotionEvent.ACTION_DOWN) {
        mNestedYOffset = 0;
    }
    vtev.offsetLocation(0, mNestedYOffset);
    this.consumedY = 0;
    this.direction = 0;
    boolean onTouchEvent = false;
    switch (actionMasked) {
    case MotionEvent.ACTION_DOWN: {
        // Remember where the motion event started
        onTouchEvent = super.onTouchEvent(ev);
        mLastMotionY = (int) (ev.getY() + 0.5f);
        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        this.preY = vtev.getY();
        this.mIsBeingDragged = false;
        startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL);
        break;
    }
    case MotionEventCompat.ACTION_POINTER_DOWN: {
        onTouchEvent = super.onTouchEvent(ev);
        mLastMotionY = (int) (MotionEventCompat.getY(ev, index) + 0.5f);
        mActivePointerId = MotionEventCompat.getPointerId(ev, index);
        break;
    }
    case MotionEvent.ACTION_MOVE:
        final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        if (activePointerIndex == -1) {
            Log.e(TAG, "Invalid pointerId=" + mActivePointerId + " in onTouchEvent");
            break;
        }
        if (!mIsBeingDragged && Math.abs(vtev.getY() - this.preY) > mTouchSlop) {
            final ViewParent parent = getParent();
            if (parent != null) {
                parent.requestDisallowInterceptTouchEvent(true);
            }
            mIsBeingDragged = true;
        }
        //                if(!mIsBeingDragged){
        //                    setLongClickEnable(true);
        //                }
        final int y = (int) (MotionEventCompat.getY(ev, activePointerIndex) + 0.5f);
        Log.i(TAG, "mLastMotionY=====" + mLastMotionY);
        Log.i(TAG, "YYYYYYY=====" + y);
        int deltaY = mLastMotionY - y;

        if (deltaY != 0) {
            this.direction = this.directionDetector.getDirection(deltaY, true, this.scrollStateChangedListener);
        }
        if (dispatchNestedPreScroll(0, deltaY, mScrollConsumed, mScrollOffset)) {
            deltaY -= mScrollConsumed[1];
            vtev.offsetLocation(0, mScrollOffset[1]);
            mNestedYOffset += mScrollOffset[1];
        }
        if (mIsBeingDragged) {
            //                    setJavaScriptEnable(true);
            // Scroll to follow the motion event
            mLastMotionY = y - mScrollOffset[1];
            Log.i(TAG, "deltaY===" + deltaY);
            Log.i(TAG, "this.consumedY===" + this.consumedY);
            final int unconsumedY = deltaY - this.consumedY;

            Log.i(TAG, " child consumed = " + this.mScrollConsumed[1] + " un_consumed = " + unconsumedY
                    + " position = " + this.position + " direction = " + this.direction);
            onTouchEvent = super.onTouchEvent(ev);
            if (this.position == ScrollStateChangedListener.ScrollState.MIDDLE) {
                return true;
            }
            switch (this.direction) {
            case 1: {
                if ((this.position != ScrollStateChangedListener.ScrollState.BOTTOM)
                        && (this.contentHeight != this.webviewHeight)) {
                    scrollBy(0, unconsumedY);
                    break;
                }
                Log.i(TAG, "1111111consumedY===" + consumedY + "  unconsumedY==" + unconsumedY);
                if (dispatchNestedScroll(0, this.consumedY, 0, unconsumedY, this.mScrollOffset)) {
                    vtev.offsetLocation(0.0F, this.mScrollOffset[1]);
                    this.mNestedYOffset += this.mScrollOffset[1];
                    this.mLastMotionY -= this.mScrollOffset[1];
                }
            }
                break;
            case 2:
                if ((this.position == ScrollStateChangedListener.ScrollState.TOP)
                        || (this.contentHeight == this.webviewHeight)) {
                    Log.i(TAG, "2222222consumedY===" + consumedY + "  unconsumedY==" + unconsumedY);
                    if (dispatchNestedScroll(0, this.consumedY, 0, unconsumedY, this.mScrollOffset)) {
                        vtev.offsetLocation(0.0F, this.mScrollOffset[1]);
                        this.mNestedYOffset += this.mScrollOffset[1];
                        this.mLastMotionY -= this.mScrollOffset[1];
                    }
                } else {
                    scrollBy(0, unconsumedY);
                }
                break;
            default:
                break;
            }
        }
        break;
    case MotionEvent.ACTION_CANCEL:
        onTouchEvent = super.onTouchEvent(ev);
        break;
    case MotionEvent.ACTION_UP:
        onTouchEvent = super.onTouchEvent(ev);
        if (mIsBeingDragged) {
            final VelocityTracker velocityTracker = mVelocityTracker;
            velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
            int initialVelocity = (int) VelocityTrackerCompat.getYVelocity(velocityTracker, mActivePointerId);
            if ((Math.abs(initialVelocity) > mMinimumVelocity)) {
                flingWithNestedDispatch(-initialVelocity);
            }
        }
        mActivePointerId = INVALID_POINTER;
        endTouch();
        break;

    case MotionEventCompat.ACTION_POINTER_UP:
        onTouchEvent = super.onTouchEvent(ev);
        onSecondaryPointerUp(ev);
        mLastMotionY = (int) (MotionEventCompat.getY(ev,
                MotionEventCompat.findPointerIndex(ev, mActivePointerId)) + 0.5F);
        break;
    }
    if (mVelocityTracker != null) {
        mVelocityTracker.addMovement(vtev);
    }
    vtev.recycle();
    return onTouchEvent;
}

---

From source file:com.edgar.banner.BannerPagerView.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    switch (ev.getAction()) {
    case MotionEvent.ACTION_DOWN:
        mLastMotionX = ev.getX();//w  w w  . ja v  a  2s  . c  o  m
        mLastMotionY = ev.getY();
        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        downPauseAutoPlay();
        break;
    case MotionEvent.ACTION_MOVE:
        if (isBannerLessThanOne())
            break;
        //?ViewPager.
        final int activePointerId = mActivePointerId;
        if (activePointerId == INVALID_POINTER) {
            // If we don't have a valid id, the touch down wasn't on content.
            break;
        }
        final int pointerIndex = MotionEventCompat.findPointerIndex(ev, activePointerId);
        final float x = MotionEventCompat.getX(ev, pointerIndex);
        final float dx = x - mLastMotionX;
        final float xDiff = Math.abs(dx);
        final float y = MotionEventCompat.getY(ev, pointerIndex);
        final float yDiff = Math.abs(y - mLastMotionY);
        if (BuildConfig.DEBUG)
            Log.v(TAG, "Moved x to " + x + "," + y + " diff=" + xDiff + "," + yDiff);
        if (xDiff > mTouchSlop && xDiff * 0.5f > yDiff) {
            ViewParent parent = getParent();
            if (parent != null) {
                parent.requestDisallowInterceptTouchEvent(true);
            }
        }
        break;
    default:
        break;
    }
    return super.onInterceptTouchEvent(ev);
}

---

From source file:com.huyn.demogroup.freechild.FixedViewAttacher.java

@Override
public boolean onTouch(View v, MotionEvent ev) {
    boolean handled = false;

    if (mZoomEnabled) {
        switch (ev.getAction()) {
        case MotionEvent.ACTION_DOWN:
            ViewParent parent = v.getParent();
            // First, disable the Parent from intercepting the touch
            // event
            if (parent != null) {
                parent.requestDisallowInterceptTouchEvent(true);
            }//from ww w.ja v a2s  .co m

            // If we're flinging, and the user presses down, cancel
            // fling
            cancelFling();
            break;

        case MotionEvent.ACTION_CANCEL:
        case MotionEvent.ACTION_UP:
            // If the user has zoomed less than min scale, zoom back
            // to min scale
            if (getScale() < mMinScale) {
                RectF rect = getDisplayRect();
                if (rect != null) {
                    v.post(new AnimatedZoomRunnable(getScale(), mMinScale, rect.centerX(), rect.centerY(),
                            null));
                    handled = true;
                }
            }
            break;
        }

        // Try the Scale/Drag detector
        if (mScaleDragDetector != null) {
            boolean wasScaling = mScaleDragDetector.isScaling();
            boolean wasDragging = mScaleDragDetector.isDragging();

            handled = mScaleDragDetector.onTouchEvent(ev);

            boolean didntScale = !wasScaling && !mScaleDragDetector.isScaling();
            boolean didntDrag = !wasDragging && !mScaleDragDetector.isDragging();

            mBlockParentIntercept = didntScale && didntDrag;
        }

        // Check to see if the user double tapped
        if (mGestureDetector != null && mGestureDetector.onTouchEvent(ev)) {
            handled = true;
        }

    }

    return handled;
}

---

From source file:com.acious.android.paginationseekbar.PaginationSeekBar.java

private void attemptClaimDrag() {
    ViewParent parent = getParent();
    if (parent != null) {
        parent.requestDisallowInterceptTouchEvent(true);
    }/* ww w . j a  v  a2  s  .  co m*/
}

---

From source file:com.huyn.demogroup.leaveblank.PhotoViewAttacher.java

@Override
public boolean onTouch(View v, MotionEvent ev) {
    boolean handled = false;

    if (mZoomEnabled && Util.hasDrawable((ImageView) v)) {
        switch (ev.getAction()) {
        case MotionEvent.ACTION_DOWN:
            ViewParent parent = v.getParent();
            // First, disable the Parent from intercepting the touch
            // event
            if (parent != null) {
                parent.requestDisallowInterceptTouchEvent(true);
            }// w ww  . ja v a  2  s  .c  om

            // If we're flinging, and the user presses down, cancel
            // fling
            cancelFling();
            break;

        case MotionEvent.ACTION_CANCEL:
        case MotionEvent.ACTION_UP:
            // If the user has zoomed less than min scale, zoom back
            // to min scale
            if (getScale() < mMinScale) {
                RectF rect = getDisplayRect();
                if (rect != null) {
                    v.post(new AnimatedZoomRunnable(getScale(), mMinScale, rect.centerX(), rect.centerY(),
                            null));
                    handled = true;
                }
            }
            break;
        }

        // Try the Scale/Drag detector
        if (mScaleDragDetector != null) {
            boolean wasScaling = mScaleDragDetector.isScaling();
            boolean wasDragging = mScaleDragDetector.isDragging();

            handled = mScaleDragDetector.onTouchEvent(ev);

            boolean didntScale = !wasScaling && !mScaleDragDetector.isScaling();
            boolean didntDrag = !wasDragging && !mScaleDragDetector.isDragging();

            mBlockParentIntercept = didntScale && didntDrag;
        }

        // Check to see if the user double tapped
        if (mGestureDetector != null && mGestureDetector.onTouchEvent(ev)) {
            handled = true;
        }

    }

    return handled;
}

---

From source file:com.huyn.demogroup.freechild.FixedViewAttacher.java

@Override
public void onDrag(float dx, float dy) {
    if (mScaleDragDetector.isScaling()) {
        return; // Do not drag if we are already scaling
    }//from ww w  .j a  v  a2 s .  c  o  m

    System.out.println("++++ondrag:" + dx + "/" + dy);
    postTranslate(dx, dy);
    checkAndDisplayMatrix();

    /*
     * Here we decide whether to let the ImageView's parent to start taking
     * over the touch event.
     *
     * First we check whether this function is enabled. We never want the
     * parent to take over if we're scaling. We then check the edge we're
     * on, and the direction of the scroll (i.e. if we're pulling against
     * the edge, aka 'overscrolling', let the parent take over).
     */
    ViewParent parent = mImageView.getParent();
    if (mAllowParentInterceptOnEdge && !mScaleDragDetector.isScaling() && !mBlockParentIntercept) {
        if (mScrollEdge == EDGE_BOTH || (mScrollEdge == EDGE_LEFT && dx >= 1f)
                || (mScrollEdge == EDGE_RIGHT && dx <= -1f)) {
            if (parent != null) {
                parent.requestDisallowInterceptTouchEvent(false);
            }
        }
    } else {
        if (parent != null) {
            parent.requestDisallowInterceptTouchEvent(true);
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• »