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

Example 31 with MotionEvent

use of android.view.MotionEvent in project UltimateAndroid by cymcsg.

the class SwipeDismissListViewTouchListener method handleMoveEvent.

private boolean handleMoveEvent(final MotionEvent motionEvent) {
    if (mVelocityTracker == null) {
        return false;
    }
    mVelocityTracker.addMovement(motionEvent);
    float deltaX = motionEvent.getRawX() - mDownX;
    float deltaY = motionEvent.getRawY() - mDownY;
    if (mTouchChildTouched && !mDisallowSwipe && Math.abs(deltaX) > mSlop && Math.abs(deltaX) > Math.abs(deltaY)) {
        mSwiping = true;
        mListView.requestDisallowInterceptTouchEvent(true);
        // Cancel ListView's touch (un-highlighting the item)
        MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
        cancelEvent.setAction(MotionEvent.ACTION_CANCEL | motionEvent.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT);
        mListView.onTouchEvent(cancelEvent);
    }
    if (mSwiping) {
        ViewHelper.setTranslationX(mCurrentDismissData.view, deltaX);
        //noinspection MagicNumber
        ViewHelper.setAlpha(mCurrentDismissData.view, Math.max(0f, Math.min(1f, 1f - 2f * Math.abs(deltaX) / mViewWidth)));
        return true;
    }
    return false;
}

Example 32 with MotionEvent

use of android.view.MotionEvent in project UltimateAndroid by cymcsg.

the class ViewPager method fakeDragBy.

/**
     * Fake drag by an offset in pixels. You must have called {@link #beginFakeDrag()} first.
     *
     * @param xOffset Offset in pixels to drag by.
     * @see #beginFakeDrag()
     * @see #endFakeDrag()
     */
public void fakeDragBy(float xOffset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }
    mLastMotionX += xOffset;
    float oldScrollX = getScrollX();
    float scrollX = oldScrollX - xOffset;
    final int width = getClientWidth();
    float leftBound = width * mFirstOffset;
    float rightBound = width * mLastOffset;
    final ItemInfo firstItem = mItems.get(0);
    final ItemInfo lastItem = mItems.get(mItems.size() - 1);
    if (firstItem.position != 0) {
        leftBound = firstItem.offset * width;
    }
    if (lastItem.position != mAdapter.getCount() - 1) {
        rightBound = lastItem.offset * width;
    }
    if (scrollX < leftBound) {
        scrollX = leftBound;
    } else if (scrollX > rightBound) {
        scrollX = rightBound;
    }
    // Don't lose the rounded component
    mLastMotionX += scrollX - (int) scrollX;
    scrollTo((int) scrollX, getScrollY());
    pageScrolled((int) scrollX);
    // Synthesize an event for the VelocityTracker.
    final long time = SystemClock.uptimeMillis();
    final MotionEvent ev = MotionEvent.obtain(mFakeDragBeginTime, time, MotionEvent.ACTION_MOVE, mLastMotionX, 0, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
}

Example 33 with MotionEvent

use of android.view.MotionEvent in project UltimateAndroid by cymcsg.

the class ViewPager method beginFakeDrag.

/**
     * Start a fake drag of the pager.
     *
     * <p>A fake drag can be useful if you want to synchronize the motion of the ViewPager
     * with the touch scrolling of another view, while still letting the ViewPager
     * control the snapping motion and fling behavior. (e.g. parallax-scrolling tabs.)
     * Call {@link #fakeDragBy(float)} to simulate the actual drag motion. Call
     * {@link #endFakeDrag()} to complete the fake drag and fling as necessary.
     *
     * <p>During a fake drag the ViewPager will ignore all touch events. If a real drag
     * is already in progress, this method will return false.
     *
     * @return true if the fake drag began successfully, false if it could not be started.
     *
     * @see #fakeDragBy(float)
     * @see #endFakeDrag()
     */
public boolean beginFakeDrag() {
    if (mIsBeingDragged) {
        return false;
    }
    mFakeDragging = true;
    setScrollState(SCROLL_STATE_DRAGGING);
    mInitialMotionX = mLastMotionX = 0;
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    } else {
        mVelocityTracker.clear();
    }
    final long time = SystemClock.uptimeMillis();
    final MotionEvent ev = MotionEvent.obtain(time, time, MotionEvent.ACTION_DOWN, 0, 0, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
    mFakeDragBeginTime = time;
    return true;
}

Example 34 with MotionEvent

use of android.view.MotionEvent in project plaid by nickbutcher.

the class PlayerActivity method bindPlayer.

void bindPlayer() {
    if (player == null)
        return;
    final Resources res = getResources();
    final NumberFormat nf = NumberFormat.getInstance();
    Glide.with(this).load(player.getHighQualityAvatarUrl()).placeholder(R.drawable.avatar_placeholder).transform(circleTransform).into(avatar);
    playerName.setText(player.name.toLowerCase());
    if (!TextUtils.isEmpty(player.bio)) {
        DribbbleUtils.parseAndSetText(bio, player.bio);
    } else {
        bio.setVisibility(View.GONE);
    }
    shotCount.setText(res.getQuantityString(R.plurals.shots, player.shots_count, nf.format(player.shots_count)));
    if (player.shots_count == 0) {
        shotCount.setCompoundDrawablesRelativeWithIntrinsicBounds(null, getDrawable(R.drawable.avd_no_shots), null, null);
    }
    setFollowerCount(player.followers_count);
    likesCount.setText(res.getQuantityString(R.plurals.likes, player.likes_count, nf.format(player.likes_count)));
    // load the users shots
    dataManager = new PlayerShotsDataManager(this, player) {

        @Override
        public void onDataLoaded(List<Shot> data) {
            if (data != null && data.size() > 0) {
                if (adapter.getDataItemCount() == 0) {
                    loading.setVisibility(View.GONE);
                    ViewUtils.setPaddingTop(shots, likesCount.getBottom());
                }
                adapter.addAndResort(data);
            }
        }
    };
    adapter = new FeedAdapter(this, dataManager, columns, PocketUtils.isPocketInstalled(this));
    shots.setAdapter(adapter);
    shots.setItemAnimator(new SlideInItemAnimator());
    shots.setVisibility(View.VISIBLE);
    layoutManager = new GridLayoutManager(this, columns);
    layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {

        @Override
        public int getSpanSize(int position) {
            return adapter.getItemColumnSpan(position);
        }
    });
    shots.setLayoutManager(layoutManager);
    shots.addOnScrollListener(new InfiniteScrollListener(layoutManager, dataManager) {

        @Override
        public void onLoadMore() {
            dataManager.loadData();
        }
    });
    shots.setHasFixedSize(true);
    // forward on any clicks above the first item in the grid (i.e. in the paddingTop)
    // to 'pass through' to the view behind
    shots.setOnTouchListener(new View.OnTouchListener() {

        @Override
        public boolean onTouch(View v, MotionEvent event) {
            final int firstVisible = layoutManager.findFirstVisibleItemPosition();
            if (firstVisible > 0)
                return false;
            // if no data loaded then pass through
            if (adapter.getDataItemCount() == 0) {
                return container.dispatchTouchEvent(event);
            }
            final RecyclerView.ViewHolder vh = shots.findViewHolderForAdapterPosition(0);
            if (vh == null)
                return false;
            final int firstTop = vh.itemView.getTop();
            if (event.getY() < firstTop) {
                return container.dispatchTouchEvent(event);
            }
            return false;
        }
    });
    // check if following
    if (dataManager.getDribbblePrefs().isLoggedIn()) {
        if (player.id == dataManager.getDribbblePrefs().getUserId()) {
            TransitionManager.beginDelayedTransition(container);
            follow.setVisibility(View.GONE);
            ViewUtils.setPaddingTop(shots, container.getHeight() - follow.getHeight() - ((ViewGroup.MarginLayoutParams) follow.getLayoutParams()).bottomMargin);
        } else {
            final Call<Void> followingCall = dataManager.getDribbbleApi().following(player.id);
            followingCall.enqueue(new Callback<Void>() {

                @Override
                public void onResponse(Call<Void> call, Response<Void> response) {
                    following = response.isSuccessful();
                    if (!following)
                        return;
                    TransitionManager.beginDelayedTransition(container);
                    follow.setText(R.string.following);
                    follow.setActivated(true);
                }

                @Override
                public void onFailure(Call<Void> call, Throwable t) {
                }
            });
        }
    }
    if (player.shots_count > 0) {
        // kick off initial load
        dataManager.loadData();
    } else {
        loading.setVisibility(View.GONE);
    }
}

Example 35 with MotionEvent

use of android.view.MotionEvent in project Android-Switch-Demo-pre-4.0 by pellucide.

the class MySwitch method cancelSuperTouch.

private void cancelSuperTouch(MotionEvent ev) {
    MotionEvent cancel = MotionEvent.obtain(ev);
    cancel.setAction(MotionEvent.ACTION_CANCEL);
    super.onTouchEvent(cancel);
    cancel.recycle();
}