Example usage for android.view View FOCUS_UP

List of usage examples for android.view View FOCUS_UP

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Introduction

In this page you can find the example usage for android.view View FOCUS_UP.

Prototype

int FOCUS_UP

To view the source code for android.view View FOCUS_UP.

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Document

Use with #focusSearch(int) .

Usage

From source file:com.awrtechnologies.carbudgetsales.hlistview.widget.HListView.java

/**
 * Do an arrow scroll based on focus searching. If a new view is given focus, return the selection delta and amount to scroll via
 * an {@link ArrowScrollFocusResult}, otherwise, return null.
 * //w  ww  . ja v a2  s .  c om
 * @param direction
 *           either {@link android.view.View#FOCUS_UP} or {@link android.view.View#FOCUS_DOWN}.
 * @return The result if focus has changed, or <code>null</code>.
 */
private ArrowScrollFocusResult arrowScrollFocused(final int direction) {
    final View selectedView = getSelectedView();
    View newFocus;
    if (selectedView != null && selectedView.hasFocus()) {
        View oldFocus = selectedView.findFocus();
        newFocus = FocusFinder.getInstance().findNextFocus(this, oldFocus, direction);
    } else {
        if (direction == View.FOCUS_DOWN) {
            final boolean leftFadingEdgeShowing = (mFirstPosition > 0);
            final int listLeft = mListPadding.left
                    + (leftFadingEdgeShowing ? getArrowScrollPreviewLength() : 0);
            final int xSearchPoint = (selectedView != null && selectedView.getLeft() > listLeft)
                    ? selectedView.getLeft()
                    : listLeft;
            mTempRect.set(xSearchPoint, 0, xSearchPoint, 0);
        } else {
            final boolean rightFadingEdgeShowing = (mFirstPosition + getChildCount() - 1) < mItemCount;
            final int listRight = getWidth() - mListPadding.right
                    - (rightFadingEdgeShowing ? getArrowScrollPreviewLength() : 0);
            final int xSearchPoint = (selectedView != null && selectedView.getRight() < listRight)
                    ? selectedView.getRight()
                    : listRight;
            mTempRect.set(xSearchPoint, 0, xSearchPoint, 0);
        }
        newFocus = FocusFinder.getInstance().findNextFocusFromRect(this, mTempRect, direction);
    }

    if (newFocus != null) {
        final int positionOfNewFocus = positionOfNewFocus(newFocus);

        // if the focus change is in a different new position, make sure
        // we aren't jumping over another selectable position
        if (mSelectedPosition != INVALID_POSITION && positionOfNewFocus != mSelectedPosition) {
            final int selectablePosition = lookForSelectablePositionOnScreen(direction);
            if (selectablePosition != INVALID_POSITION
                    && ((direction == View.FOCUS_DOWN && selectablePosition < positionOfNewFocus)
                            || (direction == View.FOCUS_UP && selectablePosition > positionOfNewFocus))) {
                return null;
            }
        }

        int focusScroll = amountToScrollToNewFocus(direction, newFocus, positionOfNewFocus);

        final int maxScrollAmount = getMaxScrollAmount();
        if (focusScroll < maxScrollAmount) {
            // not moving too far, safe to give next view focus
            newFocus.requestFocus(direction);
            mArrowScrollFocusResult.populate(positionOfNewFocus, focusScroll);
            return mArrowScrollFocusResult;
        } else if (distanceToView(newFocus) < maxScrollAmount) {
            // Case to consider:
            // too far to get entire next focusable on screen, but by going
            // max scroll amount, we are getting it at least partially in view,
            // so give it focus and scroll the max ammount.
            newFocus.requestFocus(direction);
            mArrowScrollFocusResult.populate(positionOfNewFocus, maxScrollAmount);
            return mArrowScrollFocusResult;
        }
    }
    return null;
}

From source file:com.awrtechnologies.carbudgetsales.hlistview.widget.HListView.java

/**
 * Determine how much we need to scroll in order to get newFocus in view.
 * // w  w w  .  j  a  va 2  s . c om
 * @param direction
 *           either {@link android.view.View#FOCUS_UP} or {@link android.view.View#FOCUS_DOWN}.
 * @param newFocus
 *           The view that would take focus.
 * @param positionOfNewFocus
 *           The position of the list item containing newFocus
 * @return The amount to scroll. Note: this is always positive! Direction needs to be taken into account when actually scrolling.
 */
private int amountToScrollToNewFocus(int direction, View newFocus, int positionOfNewFocus) {
    int amountToScroll = 0;
    newFocus.getDrawingRect(mTempRect);
    offsetDescendantRectToMyCoords(newFocus, mTempRect);
    if (direction == View.FOCUS_UP) {
        if (mTempRect.left < mListPadding.left) {
            amountToScroll = mListPadding.left - mTempRect.left;
            if (positionOfNewFocus > 0) {
                amountToScroll += getArrowScrollPreviewLength();
            }
        }
    } else {
        final int listRight = getWidth() - mListPadding.right;
        if (mTempRect.bottom > listRight) {
            amountToScroll = mTempRect.right - listRight;
            if (positionOfNewFocus < mItemCount - 1) {
                amountToScroll += getArrowScrollPreviewLength();
            }
        }
    }
    return amountToScroll;
}

From source file:android.improving.utils.views.cardsview.OrientedViewPager.java

public boolean arrowScroll(int direction) {
    View currentFocused = findFocus();
    if (currentFocused == this) {
        currentFocused = null;/* w w  w.  j a  v  a  2  s.c  o m*/
    } else if (currentFocused != null) {
        boolean isChild = false;
        for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent
                .getParent()) {
            if (parent == this) {
                isChild = true;
                break;
            }
        }
        if (!isChild) {
            // This would cause the focus search down below to fail in fun ways.
            final StringBuilder sb = new StringBuilder();
            sb.append(currentFocused.getClass().getSimpleName());
            for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent
                    .getParent()) {
                sb.append(" => ").append(parent.getClass().getSimpleName());
            }
            Log.e(TAG, "arrowScroll tried to find focus based on non-child " + "current focused view "
                    + sb.toString());
            currentFocused = null;
        }
    }

    boolean handled = false;

    View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused, direction);
    if (nextFocused != null && nextFocused != currentFocused) {
        if (direction == View.FOCUS_UP) {
            // If there is nothing to the left, or this is causing us to
            // jump to the right, then what we really want to do is page left.
            if (mOrientation == Orientation.VERTICAL) {
                final int nextTop = getChildRectInPagerCoordinates(mTempRect, nextFocused).top;
                final int currTop = getChildRectInPagerCoordinates(mTempRect, currentFocused).top;
                if (currentFocused != null && nextTop >= currTop) {
                    handled = pageBack();
                } else {
                    handled = nextFocused.requestFocus();
                }
            } else {
                final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left;
                final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left;
                if (currentFocused != null && nextLeft >= currLeft) {
                    handled = pageBack();
                } else {
                    handled = nextFocused.requestFocus();
                }
            }
        } else if (direction == View.FOCUS_DOWN) {
            // If there is nothing to the right, or this is causing us to
            // jump to the left, then what we really want to do is page right.
            if (mOrientation == Orientation.VERTICAL) {
                final int nextDown = getChildRectInPagerCoordinates(mTempRect, nextFocused).bottom;
                final int currDown = getChildRectInPagerCoordinates(mTempRect, currentFocused).bottom;
                if (currentFocused != null && nextDown <= currDown) {
                    handled = pageForward();
                } else {
                    handled = nextFocused.requestFocus();
                }
            } else {
                final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left;
                final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left;
                if (currentFocused != null && nextLeft <= currLeft) {
                    handled = pageForward();
                } else {
                    handled = nextFocused.requestFocus();
                }
            }
        }
    } else if (direction == FOCUS_UP || direction == FOCUS_BACKWARD) {
        // Trying to move left and nothing there; try to page.
        handled = pageBack();
    } else if (direction == FOCUS_DOWN || direction == FOCUS_FORWARD) {
        // Trying to move right and nothing there; try to page.
        handled = pageForward();
    }
    if (handled) {
        playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction));
    }
    return handled;
}

From source file:cn.androidy.materialdesignsample.ryanharterviewpager.ViewPager.java

public boolean arrowScroll(int direction) {
    View currentFocused = findFocus();
    if (currentFocused == this) {
        currentFocused = null;/*  w ww.ja  va  2 s  .c  o  m*/
    } else if (currentFocused != null) {
        boolean isChild = false;
        for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent
                .getParent()) {
            if (parent == this) {
                isChild = true;
                break;
            }
        }
        if (!isChild) {
            // This would cause the focus search down below to fail in fun ways.
            final StringBuilder sb = new StringBuilder();
            sb.append(currentFocused.getClass().getSimpleName());
            for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent
                    .getParent()) {
                sb.append(" => ").append(parent.getClass().getSimpleName());
            }
            Log.e(TAG, "arrowScroll tried to find focus based on non-child " + "current focused view "
                    + sb.toString());
            currentFocused = null;
        }
    }

    boolean handled = false;

    View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused, direction);
    if (nextFocused != null && nextFocused != currentFocused) {
        if (direction == View.FOCUS_LEFT) {
            // If there is nothing to the left, or this is causing us to
            // jump to the right, then what we really want to do is page left.
            final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left;
            final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left;
            if (currentFocused != null && nextLeft >= currLeft) {
                handled = pageLeft();
            } else {
                handled = nextFocused.requestFocus();
            }
        } else if (direction == View.FOCUS_RIGHT) {
            // If there is nothing to the right, or this is causing us to
            // jump to the left, then what we really want to do is page right.
            final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left;
            final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left;
            if (currentFocused != null && nextLeft <= currLeft) {
                handled = pageRight();
            } else {
                handled = nextFocused.requestFocus();
            }
        } else if (direction == View.FOCUS_UP) {
            final int nextUp = getChildRectInPagerCoordinates(mTempRect, nextFocused).top;
            final int currUp = getChildRectInPagerCoordinates(mTempRect, currentFocused).top;
            if (currentFocused != null && nextUp >= currUp) {
                handled = pageLeft();
            } else {
                handled = nextFocused.requestFocus();
            }
        } else if (direction == View.FOCUS_DOWN) {
            final int nextUp = getChildRectInPagerCoordinates(mTempRect, nextFocused).top;
            final int currUp = getChildRectInPagerCoordinates(mTempRect, currentFocused).top;
            if (currentFocused != null && nextUp <= currUp) {
                handled = pageRight();
            } else {
                handled = nextFocused.requestFocus();
            }
        }
    } else if (direction == FOCUS_LEFT || direction == FOCUS_UP || direction == FOCUS_BACKWARD) {
        // Trying to move left and nothing there; try to page.
        handled = pageLeft();
    } else if (direction == FOCUS_RIGHT || direction == FOCUS_DOWN || direction == FOCUS_FORWARD) {
        // Trying to move right and nothing there; try to page.
        handled = pageRight();
    }
    if (handled) {
        playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction));
    }
    return handled;
}

From source file:com.guide.ViewPager.java

public boolean arrowScroll(int direction) {
    View currentFocused = findFocus();
    if (currentFocused == this) {
        currentFocused = null;//from w w w. j a  v  a  2  s  .c  om
    } else if (currentFocused != null) {
        boolean isChild = false;
        for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent
                .getParent()) {
            if (parent == this) {
                isChild = true;
                break;
            }
        }
        if (!isChild) {
            // This would cause the focus search down below to fail in fun
            // ways.
            final StringBuilder sb = new StringBuilder();
            sb.append(currentFocused.getClass().getSimpleName());
            for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent
                    .getParent()) {
                sb.append(" => ").append(parent.getClass().getSimpleName());
            }
            Log.e(TAG, "arrowScroll tried to find focus based on non-child " + "current focused view "
                    + sb.toString());
            currentFocused = null;
        }
    }

    boolean handled = false;

    View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused, direction);
    if (nextFocused != null && nextFocused != currentFocused) {
        if (direction == View.FOCUS_LEFT) {
            // If there is nothing to the left, or this is causing us to
            // jump to the right, then what we really want to do is page
            // left.
            final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left;
            final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left;
            if (currentFocused != null && nextLeft >= currLeft) {
                handled = pageLeft();
            } else {
                handled = nextFocused.requestFocus();
            }
        } else if (direction == View.FOCUS_RIGHT) {
            // If there is nothing to the right, or this is causing us to
            // jump to the left, then what we really want to do is page
            // right.
            final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left;
            final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left;
            if (currentFocused != null && nextLeft <= currLeft) {
                handled = pageRight();
            } else {
                handled = nextFocused.requestFocus();
            }
        } else if (direction == View.FOCUS_UP) {
            final int nextUp = getChildRectInPagerCoordinates(mTempRect, nextFocused).top;
            final int currUp = getChildRectInPagerCoordinates(mTempRect, currentFocused).top;
            if (currentFocused != null && nextUp >= currUp) {
                handled = pageLeft();
            } else {
                handled = nextFocused.requestFocus();
            }
        } else if (direction == View.FOCUS_DOWN) {
            final int nextUp = getChildRectInPagerCoordinates(mTempRect, nextFocused).top;
            final int currUp = getChildRectInPagerCoordinates(mTempRect, currentFocused).top;
            if (currentFocused != null && nextUp <= currUp) {
                handled = pageRight();
            } else {
                handled = nextFocused.requestFocus();
            }
        }
    } else if (direction == FOCUS_LEFT || direction == FOCUS_UP || direction == FOCUS_BACKWARD) {
        // Trying to move left and nothing there; try to page.
        handled = pageLeft();
    } else if (direction == FOCUS_RIGHT || direction == FOCUS_DOWN || direction == FOCUS_FORWARD) {
        // Trying to move right and nothing there; try to page.
        handled = pageRight();
    }
    if (handled) {
        playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction));
    }
    return handled;
}

From source file:android.support.v17.leanback.widget.GridLayoutManager.java

private int getMovement(int direction) {
    int movement = View.FOCUS_LEFT;

    if (mOrientation == HORIZONTAL) {
        switch (direction) {
        case View.FOCUS_LEFT:
            movement = (!mReverseFlowPrimary) ? PREV_ITEM : NEXT_ITEM;
            break;
        case View.FOCUS_RIGHT:
            movement = (!mReverseFlowPrimary) ? NEXT_ITEM : PREV_ITEM;
            break;
        case View.FOCUS_UP:
            movement = PREV_ROW;//from  w w w . j a v a 2s .com
            break;
        case View.FOCUS_DOWN:
            movement = NEXT_ROW;
            break;
        }
    } else if (mOrientation == VERTICAL) {
        switch (direction) {
        case View.FOCUS_LEFT:
            movement = (!mReverseFlowSecondary) ? PREV_ROW : NEXT_ROW;
            break;
        case View.FOCUS_RIGHT:
            movement = (!mReverseFlowSecondary) ? NEXT_ROW : PREV_ROW;
            break;
        case View.FOCUS_UP:
            movement = PREV_ITEM;
            break;
        case View.FOCUS_DOWN:
            movement = NEXT_ITEM;
            break;
        }
    }

    return movement;
}

From source file:dev.dworks.libs.widget.ViewPager.java

public boolean arrowScroll(int direction) {
    View currentFocused = findFocus();
    if (currentFocused == this) {
        currentFocused = null;//from  w  w  w.  j  a v a2  s. c  om
    } else if (currentFocused != null) {
        boolean isChild = false;
        for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent
                .getParent()) {
            if (parent == this) {
                isChild = true;
                break;
            }
        }
        if (!isChild) {
            // This would cause the focus search down below to fail in fun ways.
            final StringBuilder sb = new StringBuilder();
            sb.append(currentFocused.getClass().getSimpleName());
            for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent
                    .getParent()) {
                sb.append(" => ").append(parent.getClass().getSimpleName());
            }
            Log.e(TAG, "arrowScroll tried to find focus based on non-child " + "current focused view "
                    + sb.toString());
            currentFocused = null;
        }
    }

    boolean handled = false;

    View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused, direction);
    if (mOrientation == HORIZONTAL) {
        if (nextFocused != null && nextFocused != currentFocused) {
            if (direction == View.FOCUS_LEFT) {
                // If there is nothing to the left, or this is causing us to
                // jump to the right, then what we really want to do is page left.
                final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left;
                final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left;
                if (currentFocused != null && nextLeft >= currLeft) {
                    handled = pageLeft();
                } else {
                    handled = nextFocused.requestFocus();
                }
            } else if (direction == View.FOCUS_RIGHT) {
                // If there is nothing to the right, or this is causing us to
                // jump to the left, then what we really want to do is page right.
                final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left;
                final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left;
                if (currentFocused != null && nextLeft <= currLeft) {
                    handled = pageRight();
                } else {
                    handled = nextFocused.requestFocus();
                }
            }
        } else if (direction == FOCUS_LEFT || direction == FOCUS_BACKWARD) {
            // Trying to move left and nothing there; try to page.
            handled = pageLeft();
        } else if (direction == FOCUS_RIGHT || direction == FOCUS_FORWARD) {
            // Trying to move right and nothing there; try to page.
            handled = pageRight();
        }
    } else {
        if (nextFocused != null && nextFocused != currentFocused) {
            if (direction == View.FOCUS_UP) {
                // If there is nothing to the left, or this is causing us to
                // jump to the right, then what we really want to do is page left.
                final int nextUp = getChildRectInPagerCoordinates(mTempRect, nextFocused).top;
                final int currUp = getChildRectInPagerCoordinates(mTempRect, currentFocused).top;

                if (currentFocused != null && nextUp >= currUp) {
                    handled = pageUp();
                } else {
                    handled = nextFocused.requestFocus();
                }
            } else if (direction == View.FOCUS_DOWN) {
                // If there is nothing to the right, or this is causing us to
                // jump to the left, then what we really want to do is page right.
                final int nextDown = getChildRectInPagerCoordinates(mTempRect, nextFocused).bottom;
                final int currDown = getChildRectInPagerCoordinates(mTempRect, currentFocused).bottom;
                if (currentFocused != null && nextDown <= currDown) {
                    handled = pageDown();
                } else {
                    handled = nextFocused.requestFocus();
                }
            }
        } else if (direction == FOCUS_UP || direction == FOCUS_BACKWARD) {
            // Trying to move left and nothing there; try to page.
            handled = pageUp();
        } else if (direction == FOCUS_DOWN || direction == FOCUS_FORWARD) {
            // Trying to move right and nothing there; try to page.
            handled = pageDown();
        }
    }
    if (handled) {
        playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction));
    }
    return handled;
}

From source file:com.appunite.list.AbsHorizontalListView.java

/**
 * What is the distance between the source and destination rectangles given the direction of
 * focus navigation between them? The direction basically helps figure out more quickly what is
 * self evident by the relationship between the rects...
 *
 * @param source the source rectangle/*from w  w w.  j av  a  2s. co  m*/
 * @param dest the destination rectangle
 * @param direction the direction
 * @return the distance between the rectangles
 */
static int getDistance(Rect source, Rect dest, int direction) {
    int sX, sY; // source x, y
    int dX, dY; // dest x, y
    switch (direction) {
    case View.FOCUS_RIGHT:
        sX = source.right;
        sY = source.top + source.height() / 2;
        dX = dest.left;
        dY = dest.top + dest.height() / 2;
        break;
    case View.FOCUS_DOWN:
        sX = source.left + source.width() / 2;
        sY = source.bottom;
        dX = dest.left + dest.width() / 2;
        dY = dest.top;
        break;
    case View.FOCUS_LEFT:
        sX = source.left;
        sY = source.top + source.height() / 2;
        dX = dest.right;
        dY = dest.top + dest.height() / 2;
        break;
    case View.FOCUS_UP:
        sX = source.left + source.width() / 2;
        sY = source.top;
        dX = dest.left + dest.width() / 2;
        dY = dest.bottom;
        break;
    case View.FOCUS_FORWARD:
    case View.FOCUS_BACKWARD:
        sX = source.right + source.width() / 2;
        sY = source.top + source.height() / 2;
        dX = dest.left + dest.width() / 2;
        dY = dest.top + dest.height() / 2;
        break;
    default:
        throw new IllegalArgumentException("direction must be one of "
                + "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT, " + "FOCUS_FORWARD, FOCUS_BACKWARD}.");
    }
    int deltaX = dX - sX;
    int deltaY = dY - sY;
    return deltaY * deltaY + deltaX * deltaX;
}