Example usage for android.view KeyEvent KEYCODE_DPAD

Introduction

In this page you can find the example usage for android.view KeyEvent KEYCODE_DPAD_RIGHT.

Prototype

int KEYCODE_DPAD_RIGHT

To view the source code for android.view KeyEvent KEYCODE_DPAD_RIGHT.

Click Source Link

Document

Key code constant: Directional Pad Right key.

Usage

From source file:com.tandong.sa.sherlock.widget.SearchView.java

/**
 * React to the user typing while in the suggestions list. First, check for
 * action keys. If not handled, try refocusing regular characters into the
 * EditText./*from  ww w.ja v a 2  s. c  o m*/
 */
private boolean onSuggestionsKey(View v, int keyCode, KeyEvent event) {
    // guard against possible race conditions (late arrival after dismiss)
    if (mSearchable == null) {
        return false;
    }
    if (mSuggestionsAdapter == null) {
        return false;
    }
    if (event.getAction() == KeyEvent.ACTION_DOWN && KeyEventCompat.hasNoModifiers(event)) {
        // First, check for enter or search (both of which we'll treat as a
        // "click")
        if (keyCode == KeyEvent.KEYCODE_ENTER || keyCode == KeyEvent.KEYCODE_SEARCH
                || keyCode == KeyEvent.KEYCODE_TAB) {
            int position = mQueryTextView.getListSelection();
            return onItemClicked(position, KeyEvent.KEYCODE_UNKNOWN, null);
        }

        // Next, check for left/right moves, which we use to "return" the
        // user to the edit view
        if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT || keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
            // give "focus" to text editor, with cursor at the beginning if
            // left key, at end if right key
            // TODO: Reverse left/right for right-to-left languages, e.g.
            // Arabic
            int selPoint = (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) ? 0 : mQueryTextView.length();
            mQueryTextView.setSelection(selPoint);
            mQueryTextView.setListSelection(0);
            mQueryTextView.clearListSelection();
            ensureImeVisible(mQueryTextView, true);

            return true;
        }

        // Next, check for an "up and out" move
        if (keyCode == KeyEvent.KEYCODE_DPAD_UP && 0 == mQueryTextView.getListSelection()) {
            // TODO: restoreUserQuery();
            // let ACTV complete the move
            return false;
        }

        // Next, check for an "action key"
        // TODO SearchableInfo.ActionKeyInfo actionKey =
        // mSearchable.findActionKey(keyCode);
        // TODO if ((actionKey != null)
        // TODO && ((actionKey.getSuggestActionMsg() != null) || (actionKey
        // TODO .getSuggestActionMsgColumn() != null))) {
        // TODO // launch suggestion using action key column
        // TODO int position = mQueryTextView.getListSelection();
        // TODO if (position != ListView.INVALID_POSITION) {
        // TODO Cursor c = mSuggestionsAdapter.getCursor();
        // TODO if (c.moveToPosition(position)) {
        // TODO final String actionMsg = getActionKeyMessage(c, actionKey);
        // TODO if (actionMsg != null && (actionMsg.length() > 0)) {
        // TODO return onItemClicked(position, keyCode, actionMsg);
        // TODO }
        // TODO }
        // TODO }
        // TODO }
    }
    return false;
}

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

private boolean commonKey(int keyCode, int count, KeyEvent event) {
    if (mAdapter == null || !mIsAttached) {
        return false;
    }//from   w  ww. jav  a2  s .  c  o  m
    // TODO I stopped swaping heare (j.m.)
    if (mDataChanged) {
        layoutChildren();
    }

    boolean handled = false;
    int action = event.getAction();

    if (action != KeyEvent.ACTION_UP) {
        switch (keyCode) {
        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_RIGHT)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_RIGHT);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_LEFT:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_LEFT)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_LEFT);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_UP:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_CENTER:
        case KeyEvent.KEYCODE_ENTER:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded();
                if (!handled && event.getRepeatCount() == 0 && getChildCount() > 0) {
                    keyPressed();
                    handled = true;
                }
            }
            break;

        case KeyEvent.KEYCODE_SPACE:
            if (mPopup == null || !mPopup.isShowing()) {
                if (KeyEventCompat.hasNoModifiers(event)) {
                    handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_RIGHT);
                } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_SHIFT_ON)) {
                    handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_LEFT);
                }
                handled = true;
            }
            break;

        case KeyEvent.KEYCODE_PAGE_UP:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_LEFT);
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_LEFT);
            }
            break;

        case KeyEvent.KEYCODE_PAGE_DOWN:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_RIGHT);
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_RIGHT);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_HOME:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_LEFT);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_END:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_RIGHT);
            }
            break;

        case KeyEvent.KEYCODE_TAB:
            // XXX Sometimes it is useful to be able to TAB through the items in
            //     a ListView sequentially.  Unfortunately this can create an
            //     asymmetry in TAB navigation order unless the list selection
            //     always reverts to the top or bottom when receiving TAB focus from
            //     another widget.  Leaving this behavior disabled for now but
            //     perhaps it should be configurable (and more comprehensive).
            if (false) {
                if (KeyEventCompat.hasNoModifiers(event)) {
                    handled = resurrectSelectionIfNeeded() || arrowScroll(FOCUS_RIGHT);
                } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_SHIFT_ON)) {
                    handled = resurrectSelectionIfNeeded() || arrowScroll(FOCUS_LEFT);
                }
            }
            break;
        }
    }

    if (handled) {
        return true;
    }

    if (sendToTextFilter(keyCode, count, event)) {
        return true;
    }

    switch (action) {
    case KeyEvent.ACTION_DOWN:
        return super.onKeyDown(keyCode, event);

    case KeyEvent.ACTION_UP:
        return super.onKeyUp(keyCode, event);

    case KeyEvent.ACTION_MULTIPLE:
        return super.onKeyMultiple(keyCode, count, event);

    default: // shouldn't happen
        return false;
    }
}

From source file:com.tct.mail.ui.ConversationViewFragment.java

@Override
public boolean onKey(View view, int keyCode, KeyEvent keyEvent) {
    if (keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
        mOriginalKeyedView = view;/*www .  ja va2  s  . c  o m*/
    }

    if (mOriginalKeyedView != null) {
        final int id = mOriginalKeyedView.getId();
        final boolean isActionUp = keyEvent.getAction() == KeyEvent.ACTION_UP;
        final boolean isLeft = keyCode == KeyEvent.KEYCODE_DPAD_LEFT;
        final boolean isRight = keyCode == KeyEvent.KEYCODE_DPAD_RIGHT;
        final boolean isUp = keyCode == KeyEvent.KEYCODE_DPAD_UP;
        final boolean isDown = keyCode == KeyEvent.KEYCODE_DPAD_DOWN;

        // First we run the event by the controller
        // We manually check if the view+direction combination should shift focus away from the
        // conversation view to the thread list in two-pane landscape mode.
        final boolean isTwoPaneLand = mNavigationController.isTwoPaneLandscape();
        final boolean navigateAway = mConversationContainer.shouldNavigateAway(id, isLeft, isTwoPaneLand);
        if (mNavigationController.onInterceptKeyFromCV(keyCode, keyEvent, navigateAway)) {
            return true;
        }

        // If controller didn't handle the event, check directional interception.
        if ((isLeft || isRight)
                && mConversationContainer.shouldInterceptLeftRightEvents(id, isLeft, isRight, isTwoPaneLand)) {
            return true;
        } else if (isUp || isDown) {
            // We don't do anything on up/down for overlay
            if (id == R.id.conversation_topmost_overlay) {
                return true;
            }

            // We manually handle up/down navigation through the overlay items because the
            // system's default isn't optimal for two-pane landscape since it's not a real list.
            final int position = mConversationContainer.getViewPosition(mOriginalKeyedView);
            final View next = mConversationContainer.getNextOverlayView(position, isDown);
            if (next != null) {
                if (isActionUp) {
                    next.requestFocus();

                    // Make sure that v is in view
                    final int[] coords = new int[2];
                    next.getLocationOnScreen(coords);
                    final int bottom = coords[1] + next.getHeight();
                    if (bottom > mMaxScreenHeight) {
                        mWebView.scrollBy(0, bottom - mMaxScreenHeight);
                    } else if (coords[1] < mTopOfVisibleScreen) {
                        mWebView.scrollBy(0, coords[1] - mTopOfVisibleScreen);
                    }
                }
                return true;
            } else {
                // Special case two end points
                // Start is marked as index 1 because we are currently not allowing focus on
                // conversation view header.
                if ((position == mConversationContainer.getOverlayCount() - 1 && isDown)
                        || (position == 1 && isUp)) {
                    mTopmostOverlay.requestFocus();
                    // Scroll to the the top if we hit the first item
                    if (isUp) {
                        mWebView.scrollTo(0, 0);
                    }
                    return true;
                }
            }
        }

        // Finally we handle the special keys
        if (keyCode == KeyEvent.KEYCODE_BACK && id != R.id.conversation_topmost_overlay) {
            if (isActionUp) {
                mTopmostOverlay.requestFocus();
            }
            //TS: wenggangjin 2014-11-21 EMAIL BUGFIX_845619 MOD_S
            //                return true;
            return false;
            //TS: wenggangjin 2014-11-21 EMAIL BUGFIX_845619 MOD_E
        } else if (keyCode == KeyEvent.KEYCODE_ENTER && id == R.id.conversation_topmost_overlay) {
            if (isActionUp) {
                mConversationContainer.focusFirstMessageHeader();
                mWebView.scrollTo(0, 0);
            }
            return true;
        }
    }
    return false;
}

From source file:org.bangbang.support.v4.widget.HListView.java

private boolean commonKey(int keyCode, int count, KeyEvent event) {
        if (mAdapter == null) {
            return false;
        }/*w w  w  .  j a v a  2s.  c  o  m*/

        if (mDataChanged) {
            layoutChildren();
        }

        boolean handled = false;
        int action = event.getAction();

        if (action != KeyEvent.ACTION_UP) {
            if (mSelectedPosition < 0) {
                switch (keyCode) {
                case KeyEvent.KEYCODE_DPAD_UP:
                case KeyEvent.KEYCODE_DPAD_DOWN:
                case KeyEvent.KEYCODE_DPAD_CENTER:
                case KeyEvent.KEYCODE_ENTER:
                case KeyEvent.KEYCODE_SPACE:
                    if (resurrectSelection()) {
                        return true;
                    }
                }
            }
            switch (keyCode) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                if (!event.isAltPressed()) {
                    while (count > 0) {
                        handled = arrowScroll(FOCUS_LEFT);
                        count--;
                    }
                } else {
                    handled = fullScroll(FOCUS_LEFT);
                }
                break;

            case KeyEvent.KEYCODE_DPAD_RIGHT:
                if (!event.isAltPressed()) {
                    while (count > 0) {
                        handled = arrowScroll(FOCUS_RIGHT);
                        count--;
                    }
                } else {
                    handled = fullScroll(FOCUS_RIGHT);
                }
                break;

            case KeyEvent.KEYCODE_DPAD_UP:
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_UP);
                break;
            case KeyEvent.KEYCODE_DPAD_DOWN:
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_DOWN);
                break;

            case KeyEvent.KEYCODE_DPAD_CENTER:
            case KeyEvent.KEYCODE_ENTER:
                if (mItemCount > 0 && event.getRepeatCount() == 0) {
                    keyPressed();
                }
                handled = true;
                break;

            case KeyEvent.KEYCODE_SPACE:
                if (mPopup == null || !mPopup.isShowing()) {
                    if (!event.isShiftPressed()) {
                        pageScroll(FOCUS_DOWN);
                    } else {
                        pageScroll(FOCUS_UP);
                    }
                    handled = true;
                }
                break;
            }
        }

        if (!handled) {
            handled = sendToTextFilter(keyCode, count, event);
        }

        if (handled) {
            return true;
        } else {
            switch (action) {
            case KeyEvent.ACTION_DOWN:
                return super.onKeyDown(keyCode, event);

            case KeyEvent.ACTION_UP:
                return super.onKeyUp(keyCode, event);

            case KeyEvent.ACTION_MULTIPLE:
                return super.onKeyMultiple(keyCode, count, event);

            default: // shouldn't happen
                return false;
            }
        }
    }

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

private boolean commonKey(int keyCode, int count, KeyEvent event) {
    if (mAdapter == null || !mIsAttached) {
        return false;
    }/*from   w  w w .java  2 s.  c  o  m*/

    if (mDataChanged) {
        layoutChildren();
    }

    boolean handled = false;
    int action = event.getAction();

    if (action != KeyEvent.ACTION_UP) {
        switch (keyCode) {
        case KeyEvent.KEYCODE_DPAD_UP:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_UP)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_DOWN)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_LEFT:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_LEFT);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_RIGHT);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_CENTER:
        case KeyEvent.KEYCODE_ENTER:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded();
                if (!handled && event.getRepeatCount() == 0 && getChildCount() > 0) {
                    keyPressed();
                    handled = true;
                }
            }
            break;

        case KeyEvent.KEYCODE_SPACE:
            if (mPopup == null || !mPopup.isShowing()) {
                if (KeyEventCompat.hasNoModifiers(event)) {
                    handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_DOWN);
                } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_SHIFT_ON)) {
                    handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_UP);
                }
                handled = true;
            }
            break;

        case KeyEvent.KEYCODE_PAGE_UP:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_UP);
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_PAGE_DOWN:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_DOWN);
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_HOME:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_END:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_TAB:
            // XXX Sometimes it is useful to be able to TAB through the items in
            //     a ListView sequentially.  Unfortunately this can create an
            //     asymmetry in TAB navigation order unless the list selection
            //     always reverts to the top or bottom when receiving TAB focus from
            //     another widget.  Leaving this behavior disabled for now but
            //     perhaps it should be configurable (and more comprehensive).
            if (false) {
                if (KeyEventCompat.hasNoModifiers(event)) {
                    handled = resurrectSelectionIfNeeded() || arrowScroll(FOCUS_DOWN);
                } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_SHIFT_ON)) {
                    handled = resurrectSelectionIfNeeded() || arrowScroll(FOCUS_UP);
                }
            }
            break;
        }
    }

    if (handled) {
        return true;
    }

    if (sendToTextFilter(keyCode, count, event)) {
        return true;
    }

    switch (action) {
    case KeyEvent.ACTION_DOWN:
        return super.onKeyDown(keyCode, event);

    case KeyEvent.ACTION_UP:
        return super.onKeyUp(keyCode, event);

    case KeyEvent.ACTION_MULTIPLE:
        return super.onKeyMultiple(keyCode, count, event);

    default: // shouldn't happen
        return false;
    }
}

From source file:com.oakesville.mythling.MediaActivity.java

void initListViewDpadHandler() {
    if (getAppSettings().isTv()) {
        getListView().setOnKeyListener(new OnKeyListener() {
            public boolean onKey(View v, int keyCode, KeyEvent event) {
                if (event.getAction() == KeyEvent.ACTION_DOWN) {
                    if (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_RIGHT) {
                        Listable listable = getListables().get(getSelItemIndex());
                        if (listable instanceof Category) {
                            getListView().performItemClick(getListAdapter().getView(selItemIndex, null, null),
                                    selItemIndex, getListAdapter().getItemId(selItemIndex));
                            return true;
                        } else if (isSplitView()) {
                            getListAdapter().setSelection(selItemIndex);
                            getListView().setItemChecked(selItemIndex, true);
                            showItemInDetailPane(selItemIndex, true);
                            return true;
                        }/* w w w.j a v a2s . c  o m*/
                    } else if (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_LEFT && !"".equals(getPath())) {
                        onBackPressed();
                        return true;
                    }
                }
                return false;
            }
        });
    }
}

From source file:com.zhongsou.souyue.ui.HListView.java

@TargetApi(11)
private boolean commonKey(int keyCode, int count, KeyEvent event) {
    if (mAdapter == null || !mIsAttached) {
        return false;
    }//from ww  w. j  a va  2s  .c o m

    if (mDataChanged) {
        layoutChildren();
    }

    if (android.os.Build.VERSION.SDK_INT < 11) {
        return false;
    }

    boolean handled = false;
    int action = event.getAction();

    if (action != KeyEvent.ACTION_UP) {
        switch (keyCode) {
        case KeyEvent.KEYCODE_DPAD_UP:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_UP)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_DOWN)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_LEFT:
            if (event.hasNoModifiers()) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_LEFT);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (event.hasNoModifiers()) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_RIGHT);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_CENTER:
        case KeyEvent.KEYCODE_ENTER:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled && event.getRepeatCount() == 0 && getChildCount() > 0) {
                    keyPressed();
                    handled = true;
                }
            }
            break;

        case KeyEvent.KEYCODE_SPACE:

            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_DOWN);
            } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_UP);
            }
            handled = true;
            break;

        case KeyEvent.KEYCODE_PAGE_UP:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_UP);
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_PAGE_DOWN:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_DOWN);
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_HOME:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_END:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_TAB:
            break;
        }
    }

    if (handled) {
        return true;
    }

    switch (action) {
    case KeyEvent.ACTION_DOWN:
        return super.onKeyDown(keyCode, event);

    case KeyEvent.ACTION_UP:
        return super.onKeyUp(keyCode, event);

    case KeyEvent.ACTION_MULTIPLE:
        return super.onKeyMultiple(keyCode, count, event);

    default: // shouldn't happen
        return false;
    }
}

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

@TargetApi(11)
private boolean commonKey(int keyCode, int count, KeyEvent event) {
    if (mAdapter == null || !mIsAttached) {
        return false;
    }// w  w w .  j  a  va  2 s. c om

    if (mDataChanged) {
        layoutChildren();
    }

    if (android.os.Build.VERSION.SDK_INT < 11) {
        return false;
    }

    boolean handled = false;
    int action = event.getAction();

    if (action != KeyEvent.ACTION_UP) {
        switch (keyCode) {
        case KeyEvent.KEYCODE_DPAD_LEFT:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_UP)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_DOWN)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_UP:
            if (event.hasNoModifiers()) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (event.hasNoModifiers()) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_CENTER:
        case KeyEvent.KEYCODE_ENTER:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled && event.getRepeatCount() == 0 && getChildCount() > 0) {
                    keyPressed();
                    handled = true;
                }
            }
            break;

        case KeyEvent.KEYCODE_SPACE:

            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_DOWN);
            } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_UP);
            }
            handled = true;
            break;

        case KeyEvent.KEYCODE_PAGE_UP:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_UP);
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_PAGE_DOWN:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_DOWN);
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_HOME:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_END:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_TAB:
            break;
        }
    }

    if (handled) {
        return true;
    }

    switch (action) {
    case KeyEvent.ACTION_DOWN:
        return super.onKeyDown(keyCode, event);

    case KeyEvent.ACTION_UP:
        return super.onKeyUp(keyCode, event);

    case KeyEvent.ACTION_MULTIPLE:
        return super.onKeyMultiple(keyCode, count, event);

    default: // shouldn't happen
        return false;
    }
}

From source file:com.aliasapps.seq.scroller.TwoWayView.java

private boolean handleKeyEvent(int keyCode, int count, KeyEvent event) {
    if (mAdapter == null || !mIsAttached) {
        return false;
    }/*from   w  w w. j  a  va 2  s  . c o m*/

    if (mDataChanged) {
        layoutChildren();
    }

    boolean handled = false;
    final int action = event.getAction();

    if (action != KeyEvent.ACTION_UP) {
        switch (keyCode) {
        case KeyEvent.KEYCODE_DPAD_UP:
            if (mIsVertical) {
                handled = handleKeyScroll(event, count, View.FOCUS_UP);
            } else if (KeyEventCompat.hasNoModifiers(event)) {
                handled = handleFocusWithinItem(View.FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_DOWN: {
            if (mIsVertical) {
                handled = handleKeyScroll(event, count, View.FOCUS_DOWN);
            } else if (KeyEventCompat.hasNoModifiers(event)) {
                handled = handleFocusWithinItem(View.FOCUS_DOWN);
            }
            break;
        }

        case KeyEvent.KEYCODE_DPAD_LEFT:
            if (!mIsVertical) {
                handled = handleKeyScroll(event, count, View.FOCUS_LEFT);
            } else if (KeyEventCompat.hasNoModifiers(event)) {
                handled = handleFocusWithinItem(View.FOCUS_LEFT);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (!mIsVertical) {
                handled = handleKeyScroll(event, count, View.FOCUS_RIGHT);
            } else if (KeyEventCompat.hasNoModifiers(event)) {
                handled = handleFocusWithinItem(View.FOCUS_RIGHT);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_CENTER:
        case KeyEvent.KEYCODE_ENTER:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded();
                if (!handled && event.getRepeatCount() == 0 && getChildCount() > 0) {
                    keyPressed();
                    handled = true;
                }
            }
            break;

        case KeyEvent.KEYCODE_SPACE:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded()
                        || pageScroll(mIsVertical ? View.FOCUS_DOWN : View.FOCUS_RIGHT);
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_SHIFT_ON)) {
                handled = resurrectSelectionIfNeeded()
                        || fullScroll(mIsVertical ? View.FOCUS_UP : View.FOCUS_LEFT);
            }

            handled = true;
            break;

        case KeyEvent.KEYCODE_PAGE_UP:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded()
                        || pageScroll(mIsVertical ? View.FOCUS_UP : View.FOCUS_LEFT);
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded()
                        || fullScroll(mIsVertical ? View.FOCUS_UP : View.FOCUS_LEFT);
            }
            break;

        case KeyEvent.KEYCODE_PAGE_DOWN:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded()
                        || pageScroll(mIsVertical ? View.FOCUS_DOWN : View.FOCUS_RIGHT);
            } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded()
                        || fullScroll(mIsVertical ? View.FOCUS_DOWN : View.FOCUS_RIGHT);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_HOME:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded()
                        || fullScroll(mIsVertical ? View.FOCUS_UP : View.FOCUS_LEFT);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_END:
            if (KeyEventCompat.hasNoModifiers(event)) {
                handled = resurrectSelectionIfNeeded()
                        || fullScroll(mIsVertical ? View.FOCUS_DOWN : View.FOCUS_RIGHT);
            }
            break;
        }
    }

    if (handled) {
        return true;
    }

    switch (action) {
    case KeyEvent.ACTION_DOWN:
        return super.onKeyDown(keyCode, event);

    case KeyEvent.ACTION_UP:
        if (!isEnabled()) {
            return true;
        }

        if (isClickable() && isPressed() && mSelectedPosition >= 0 && mAdapter != null
                && mSelectedPosition < mAdapter.getCount()) {

            final View child = getChildAt(mSelectedPosition - mFirstPosition);
            if (child != null) {
                performItemClick(child, mSelectedPosition, mSelectedRowId);
                child.setPressed(false);
            }

            setPressed(false);
            return true;
        }

        return false;

    case KeyEvent.ACTION_MULTIPLE:
        return super.onKeyMultiple(keyCode, count, event);

    default:
        return false;
    }
}

From source file:com.android.internal.widget.ViewPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.//from   w ww.  ja  v a 2 s  .c om
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_DPAD_LEFT:
            handled = arrowScroll(FOCUS_LEFT);
            break;
        case KeyEvent.KEYCODE_DPAD_RIGHT:
            handled = arrowScroll(FOCUS_RIGHT);
            break;
        case KeyEvent.KEYCODE_TAB:
            if (event.hasNoModifiers()) {
                handled = arrowScroll(FOCUS_FORWARD);
            } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                handled = arrowScroll(FOCUS_BACKWARD);
            }
            break;
        }
    }
    return handled;
}

Example usage for android.view KeyEvent KEYCODE_DPAD_RIGHT

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