Java Code Examples for android.support.v4.view.MotionEventCompat#getX()

The following examples show how to use android.support.v4.view.MotionEventCompat#getX() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DirectionalViewpager.java    From BookReader with Apache License 2.0 6 votes vote down vote up
private void onSecondaryPointerUp(MotionEvent ev) {
    final int pointerIndex = MotionEventCompat.getActionIndex(ev);
    final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
    if (pointerId == mActivePointerId) {
        // This was our active pointer going up. Choose a new
        // active pointer and adjust accordingly.
        final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
        if (isHorizontal()) {
            mLastMotionX = MotionEventCompat.getX(ev, newPointerIndex);
        } else {
            mLastMotionY = MotionEventCompat.getY(ev, newPointerIndex);
        }
        mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
        if (mVelocityTracker != null) {
            mVelocityTracker.clear();
        }
    }
}
 
Example 2
Source File: CustomViewAbove.java    From quickmark with MIT License 6 votes vote down vote up
private void determineDrag(MotionEvent ev) {
	final int activePointerId = mActivePointerId;
	final int pointerIndex = getPointerIndex(ev, activePointerId);
	if (activePointerId == INVALID_POINTER)
		return;
	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 dy = y - mLastMotionY;
	final float yDiff = Math.abs(dy);
	if (xDiff > (isMenuOpen()?mTouchSlop/2:mTouchSlop) && xDiff > yDiff && thisSlideAllowed(dx)) {		
		startDrag();
		mLastMotionX = x;
		mLastMotionY = y;
		setScrollingCacheEnabled(true);
		// TODO add back in touch slop check
	} else if (xDiff > mTouchSlop) {
		mIsUnableToDrag = true;
	}
}
 
Example 3
Source File: CustomViewAbove.java    From WeatherStream with Apache License 2.0 6 votes vote down vote up
private void determineDrag(MotionEvent ev) {
	final int activePointerId = mActivePointerId;
	final int pointerIndex = getPointerIndex(ev, activePointerId);
	if (activePointerId == INVALID_POINTER || pointerIndex == INVALID_POINTER)
		return;
	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 dy = y - mLastMotionY;
	final float yDiff = Math.abs(dy);
	if (xDiff > (isMenuOpen()?mTouchSlop/2:mTouchSlop) && xDiff > yDiff && thisSlideAllowed(dx)) {		
		startDrag();
		mLastMotionX = x;
		mLastMotionY = y;
		setScrollingCacheEnabled(true);
		// TODO add back in touch slop check
	} else if (xDiff > mTouchSlop) {
		mIsUnableToDrag = true;
	}
}
 
Example 4
Source File: DirectionalViewpager.java    From fangzhuishushenqi with Apache License 2.0 6 votes vote down vote up
private void onSecondaryPointerUp(MotionEvent ev) {
    final int pointerIndex = MotionEventCompat.getActionIndex(ev);
    final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
    if (pointerId == mActivePointerId) {
        // This was our active pointer going up. Choose a new
        // active pointer and adjust accordingly.
        final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
        if (isHorizontal()) {
            mLastMotionX = MotionEventCompat.getX(ev, newPointerIndex);
        } else {
            mLastMotionY = MotionEventCompat.getY(ev, newPointerIndex);
        }
        mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
        if (mVelocityTracker != null) {
            mVelocityTracker.clear();
        }
    }
}
 
Example 5
Source File: CustomViewAbove.java    From Moring-Alarm with Apache License 2.0 5 votes vote down vote up
private void onSecondaryPointerUp(MotionEvent ev) {
	if (DEBUG) Log.v(TAG, "onSecondaryPointerUp called");
	final int pointerIndex = MotionEventCompat.getActionIndex(ev);
	final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
	if (pointerId == mActivePointerId) {
		// This was our active pointer going up. Choose a new
		// active pointer and adjust accordingly.
		final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
		mLastMotionX = MotionEventCompat.getX(ev, newPointerIndex);
		mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
		if (mVelocityTracker != null) {
			mVelocityTracker.clear();
		}
	}
}
 
Example 6
Source File: ViewDragHelper.java    From SimplifyReader with Apache License 2.0 5 votes vote down vote up
private void saveLastMotion(MotionEvent ev) {
    final int pointerCount = MotionEventCompat.getPointerCount(ev);
    for (int i = 0; i < pointerCount; i++) {
        final int pointerId = MotionEventCompat.getPointerId(ev, i);
        final float x = MotionEventCompat.getX(ev, i);
        final float y = MotionEventCompat.getY(ev, i);
        mLastMotionX[pointerId] = x;
        mLastMotionY[pointerId] = y;
    }
}
 
Example 7
Source File: CustomViewAbove.java    From wakao-app with MIT License 5 votes vote down vote up
private void onSecondaryPointerUp(MotionEvent ev) {
	if (DEBUG) Log.v(TAG, "onSecondaryPointerUp called");
	final int pointerIndex = MotionEventCompat.getActionIndex(ev);
	final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
	if (pointerId == mActivePointerId) {
		// This was our active pointer going up. Choose a new
		// active pointer and adjust accordingly.
		final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
		mLastMotionX = MotionEventCompat.getX(ev, newPointerIndex);
		mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
		if (mVelocityTracker != null) {
			mVelocityTracker.clear();
		}
	}
}
 
Example 8
Source File: ViewPagerEx.java    From UltimateAndroid with Apache License 2.0 5 votes vote down vote up
private void onSecondaryPointerUp(MotionEvent ev) {
    final int pointerIndex = MotionEventCompat.getActionIndex(ev);
    final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
    if (pointerId == mActivePointerId) {
        // This was our active pointer going up. Choose a new
        // active pointer and adjust accordingly.
        final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
        mLastMotionX = MotionEventCompat.getX(ev, newPointerIndex);
        mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
        if (mVelocityTracker != null) {
            mVelocityTracker.clear();
        }
    }
}
 
Example 9
Source File: ViewDragHelper.java    From ChipHellClient with Apache License 2.0 5 votes vote down vote up
private void saveLastMotion(MotionEvent ev) {
    final int pointerCount = MotionEventCompat.getPointerCount(ev);
    for (int i = 0; i < pointerCount; i++) {
        final int pointerId = MotionEventCompat.getPointerId(ev, i);
        final float x = MotionEventCompat.getX(ev, i);
        final float y = MotionEventCompat.getY(ev, i);
        mLastMotionX[pointerId] = x;
        mLastMotionY[pointerId] = y;
    }
}
 
Example 10
Source File: DraggableGridViewPager.java    From UltimateAndroid with Apache License 2.0 5 votes vote down vote up
private void onSecondaryPointerUp(MotionEvent ev) {
	final int pointerIndex = MotionEventCompat.getActionIndex(ev);
	final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
	if (pointerId == mActivePointerId) {
		// This was our active pointer going up. Choose a new
		// active pointer and adjust accordingly.
		final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
		mLastMotionX = MotionEventCompat.getX(ev, newPointerIndex);
		mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
		if (mVelocityTracker != null) {
			mVelocityTracker.clear();
		}
	}
}
 
Example 11
Source File: ViewPager.java    From android-movies-demo with MIT License 5 votes vote down vote up
private void onSecondaryPointerUp(MotionEvent ev) {
    final int pointerIndex = MotionEventCompat.getActionIndex(ev);
    final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
    if (pointerId == mActivePointerId) {
        // This was our active pointer going up. Choose a new
        // active pointer and adjust accordingly.
        final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
        mLastMotionX = MotionEventCompat.getX(ev, newPointerIndex);
        mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
        if (mVelocityTracker != null) {
            mVelocityTracker.clear();
        }
    }
}
 
Example 12
Source File: FlipView.java    From android-FlipView with Apache License 2.0 5 votes vote down vote up
private void onSecondaryPointerUp(MotionEvent ev) {
	final int pointerIndex = MotionEventCompat.getActionIndex(ev);
	final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
	if (pointerId == mActivePointerId) {
		// This was our active pointer going up. Choose a new
		// active pointer and adjust accordingly.
		final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
		mLastX = MotionEventCompat.getX(ev, newPointerIndex);
		mActivePointerId = MotionEventCompat.getPointerId(ev,
				newPointerIndex);
		if (mVelocityTracker != null) {
			mVelocityTracker.clear();
		}
	}
}
 
Example 13
Source File: LinePageIndicator.java    From android-open-project-demo with Apache License 2.0 4 votes vote down vote up
public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }
    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;

                if ((mCurrentPage > 0) && (ev.getX() < halfWidth - sixthWidth)) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage - 1);
                    }
                    return true;
                } else if ((mCurrentPage < count - 1) && (ev.getX() > halfWidth + sixthWidth)) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage + 1);
                    }
                    return true;
                }
            }

            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;
}
 
Example 14
Source File: CustomViewAbove.java    From BigApp_WordPress_Android with Apache License 2.0 4 votes vote down vote up
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {

	if (!mEnabled)
		return false;

	final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;

	if (DEBUG)
		if (action == MotionEvent.ACTION_DOWN)
			Log.v(TAG, "Received ACTION_DOWN");

	if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP
			|| (action != MotionEvent.ACTION_DOWN && mIsUnableToDrag)) {
		endDrag();
		return false;
	}

	switch (action) {
	case MotionEvent.ACTION_MOVE:
		determineDrag(ev);
		break;
	case MotionEvent.ACTION_DOWN:
		int index = MotionEventCompat.getActionIndex(ev);
		mActivePointerId = MotionEventCompat.getPointerId(ev, index);
		if (mActivePointerId == INVALID_POINTER)
			break;
		mLastMotionX = mInitialMotionX = MotionEventCompat.getX(ev, index);
		mLastMotionY = MotionEventCompat.getY(ev, index);
		if (thisTouchAllowed(ev)) {
			mIsBeingDragged = false;
			mIsUnableToDrag = false;
			if (isMenuOpen() && mViewBehind.menuTouchInQuickReturn(mContent, mCurItem, ev.getX() + mScrollX)) {
				mQuickReturn = true;
			}
		} else {
			mIsUnableToDrag = true;
		}
		break;
	case MotionEventCompat.ACTION_POINTER_UP:
		onSecondaryPointerUp(ev);
		break;
	}

	if (!mIsBeingDragged) {
		if (mVelocityTracker == null) {
			mVelocityTracker = VelocityTracker.obtain();
		}
		mVelocityTracker.addMovement(ev);
	}
	return mIsBeingDragged || mQuickReturn;
}
 
Example 15
Source File: TitlePageIndicator.java    From iMoney with Apache License 2.0 4 votes vote down vote up
public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }
    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;
}
 
Example 16
Source File: TitlePageIndicator.java    From Klyph with MIT License 4 votes vote down vote up
public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }
    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;
}
 
Example 17
Source File: LinePageIndicator.java    From BigApp_WordPress_Android with Apache License 2.0 4 votes vote down vote up
public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }
    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;

                if ((mCurrentPage > 0) && (ev.getX() < halfWidth - sixthWidth)) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage - 1);
                    }
                    return true;
                } else if ((mCurrentPage < count - 1) && (ev.getX() > halfWidth + sixthWidth)) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage + 1);
                    }
                    return true;
                }
            }

            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;
}
 
Example 18
Source File: TitlePageIndicator.java    From android-open-project-demo with Apache License 2.0 4 votes vote down vote up
public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }
    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;
}
 
Example 19
Source File: CirclePageIndicator.java    From barterli_android with Apache License 2.0 4 votes vote down vote up
public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }
    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;

                if ((mCurrentPage > 0) && (ev.getX() < halfWidth - sixthWidth)) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage - 1);
                    }
                    return true;
                } else if ((mCurrentPage < count - 1) && (ev.getX() > halfWidth + sixthWidth)) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage + 1);
                    }
                    return true;
                }
            }

            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;
}
 
Example 20
Source File: TitlePageIndicator.java    From android-project-wo2b with Apache License 2.0 4 votes vote down vote up
public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }
    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;
}