Examples with ViewParent android.view.ViewParent used on opensource projects

Example 26 with ViewParent

use of android.view.ViewParent in project android_frameworks_base by ParanoidAndroid.

the class PagedView method getPageForView.

public int getPageForView(View v) {
    int result = -1;
    if (v != null) {
        ViewParent vp = v.getParent();
        int count = getChildCount();
        for (int i = 0; i < count; i++) {
            if (vp == getPageAt(i)) {
                return i;
            }
        }
    }
    return result;
}

Example 27 with ViewParent

use of android.view.ViewParent in project android_frameworks_base by ParanoidAndroid.

the class Bridge method getViewIndex.

@Override
public Result getViewIndex(Object viewObject) {
    if (viewObject instanceof View) {
        View view = (View) viewObject;
        ViewParent parentView = view.getParent();
        if (parentView instanceof ViewGroup) {
            Status.SUCCESS.createResult(((ViewGroup) parentView).indexOfChild(view));
        }
        return Status.SUCCESS.createResult();
    }
    throw new IllegalArgumentException("viewObject is not a View");
}

Example 28 with ViewParent

use of android.view.ViewParent in project HoloEverywhere by Prototik.

the class ListPopupWindow method removePromptView.

private void removePromptView() {
    if (mPromptView != null) {
        final ViewParent parent = mPromptView.getParent();
        if (parent instanceof ViewGroup) {
            final ViewGroup group = (ViewGroup) parent;
            group.removeView(mPromptView);
        }
    }
}

Example 29 with ViewParent

use of android.view.ViewParent in project meatspace-android by RomainPiel.

the class PreferenceDialogFragment method onDestroyView.

@Override
public void onDestroyView() {
    super.onDestroyView();
    ViewParent p = lv.getParent();
    if (p != null)
        ((ViewGroup) p).removeView(lv);
}

Example 30 with ViewParent

use of android.view.ViewParent in project material-intro-screen by TangoAgency.

the class CustomViewPager method onTouchEvent.

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (mFakeDragging) {
        // (It is likely that the user is multi-touching the screen.)
        return true;
    }
    if (ev.getAction() == MotionEvent.ACTION_DOWN && ev.getEdgeFlags() != 0) {
        // descendants.
        return false;
    }
    if (mAdapter == null || mAdapter.getCount() == 0) {
        // Nothing to present or scroll; nothing to touch.
        return false;
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(ev);
    final int action = ev.getAction();
    boolean needsInvalidate = false;
    switch(action & MotionEventCompat.ACTION_MASK) {
        case MotionEvent.ACTION_DOWN:
            {
                mScroller.abortAnimation();
                mPopulatePending = false;
                populate();
                // Remember where the motion event started
                mLastMotionX = mInitialMotionX = ev.getX();
                mLastMotionY = mInitialMotionY = ev.getY();
                mActivePointerId = ev.getPointerId(0);
                break;
            }
        case MotionEvent.ACTION_MOVE:
            if (!mIsBeingDragged) {
                final int pointerIndex = ev.findPointerIndex(mActivePointerId);
                if (pointerIndex == -1) {
                    // A child has consumed some touch events and put us into an inconsistent
                    // state.
                    needsInvalidate = resetTouch();
                    break;
                }
                final float x = ev.getX(pointerIndex);
                final float xDiff = Math.abs(x - mLastMotionX);
                final float y = ev.getY(pointerIndex);
                final float yDiff = Math.abs(y - mLastMotionY);
                if (DEBUG) {
                    Log.v(TAG, "Moved x to " + x + "," + y + " diff=" + xDiff + "," + yDiff);
                }
                if (xDiff > mTouchSlop && xDiff > yDiff) {
                    if (DEBUG)
                        Log.v(TAG, "Starting drag!");
                    mIsBeingDragged = true;
                    requestParentDisallowInterceptTouchEvent(true);
                    mLastMotionX = x - mInitialMotionX > 0 ? mInitialMotionX + mTouchSlop : mInitialMotionX - mTouchSlop;
                    mLastMotionY = y;
                    setScrollState(SCROLL_STATE_DRAGGING);
                    setScrollingCacheEnabled(true);
                    // Disallow Parent Intercept, just in case
                    ViewParent parent = getParent();
                    if (parent != null) {
                        parent.requestDisallowInterceptTouchEvent(true);
                    }
                }
            }
            // Not else! Note that mIsBeingDragged can be set above.
            if (mIsBeingDragged) {
                // Scroll to follow the motion event
                final int activePointerIndex = ev.findPointerIndex(mActivePointerId);
                final float x = ev.getX(activePointerIndex);
                needsInvalidate |= performDrag(x);
            }
            break;
        case MotionEvent.ACTION_UP:
            if (mIsBeingDragged) {
                final VelocityTracker velocityTracker = mVelocityTracker;
                velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
                int initialVelocity = (int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId);
                mPopulatePending = true;
                final int width = getClientWidth();
                final int scrollX = getScrollX();
                final ItemInfo ii = infoForCurrentScrollPosition();
                final float marginOffset = (float) mPageMargin / width;
                final int currentPage = ii.position;
                final float pageOffset = (((float) scrollX / width) - ii.offset) / (ii.widthFactor + marginOffset);
                final int activePointerIndex = ev.findPointerIndex(mActivePointerId);
                final float x = ev.getX(activePointerIndex);
                final int totalDelta = (int) (x - mInitialMotionX);
                int nextPage = determineTargetPage(currentPage, pageOffset, initialVelocity, totalDelta);
                setCurrentItemInternal(nextPage, true, true, initialVelocity);
                needsInvalidate = resetTouch();
            }
            break;
        case MotionEvent.ACTION_CANCEL:
            if (mIsBeingDragged) {
                scrollToItem(mCurItem, true, 0, false);
                needsInvalidate = resetTouch();
            }
            break;
        case MotionEventCompat.ACTION_POINTER_DOWN:
            {
                final int index = MotionEventCompat.getActionIndex(ev);
                final float x = ev.getX(index);
                mLastMotionX = x;
                mActivePointerId = ev.getPointerId(index);
                break;
            }
        case MotionEventCompat.ACTION_POINTER_UP:
            onSecondaryPointerUp(ev);
            mLastMotionX = ev.getX(ev.findPointerIndex(mActivePointerId));
            break;
    }
    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(this);
    }
    return true;
}