Example usage for android.view KeyEvent KEYCODE_DPAD_DOWN

List of usage examples for android.view KeyEvent KEYCODE_DPAD_DOWN

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Introduction

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

Prototype

int KEYCODE_DPAD_DOWN

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

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Document

Key code constant: Directional Pad Down key.

Usage

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  .  j  av a2 s.  co  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.appunite.list.HorizontalListView.java

private boolean commonKey(int keyCode, int count, KeyEvent event) {
    if (mAdapter == null || !mIsAttached) {
        return false;
    }// w w  w. j av  a  2s. co  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.zhongsou.souyue.ui.HListView.java

@TargetApi(11)
private boolean commonKey(int keyCode, int count, KeyEvent event) {
    if (mAdapter == null || !mIsAttached) {
        return false;
    }/*from  w w w . j a v  a 2  s .  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.gome.ecmall.custom.VerticalViewPager.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 w w  .j  av a 2  s.co m*/
 * @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_UP:
            handled = arrowScroll(FOCUS_UP);
            break;
        case KeyEvent.KEYCODE_DPAD_DOWN:
            handled = arrowScroll(FOCUS_DOWN);
            break;
        case KeyEvent.KEYCODE_TAB:
            if (Build.VERSION.SDK_INT >= 11) {
                // The focus finder had a bug handling FOCUS_FORWARD and
                // FOCUS_BACKWARD
                // before Android 3.0. Ignore the tab key on those devices.
                if (KeyEventCompat.hasNoModifiers(event)) {
                    handled = arrowScroll(FOCUS_FORWARD);
                } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_SHIFT_ON)) {
                    handled = arrowScroll(FOCUS_BACKWARD);
                }
            }
            break;
        }
    }
    return handled;
}

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;
    }//from  w ww .  ja  v a 2 s . co  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_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:android.support.v17.leanback.widget.GridWidgetTest.java

public void testMultipleScrollPosition1() throws Throwable {
    mInstrumentation = getInstrumentation();
    Intent intent = new Intent(mInstrumentation.getContext(), GridActivity.class);
    intent.putExtra(GridActivity.EXTRA_LAYOUT_RESOURCE_ID, R.layout.vertical_linear);
    intent.putExtra(GridActivity.EXTRA_CHILD_LAYOUT_ID, R.layout.relative_layout);
    intent.putExtra(GridActivity.EXTRA_REQUEST_FOCUS_ONLAYOUT, true);
    int[] items = new int[100];
    for (int i = 0; i < items.length; i++) {
        items[i] = 300;/*from  w w  w  .j  a v  a  2  s .c  o m*/
    }
    intent.putExtra(GridActivity.EXTRA_ITEMS, items);
    intent.putExtra(GridActivity.EXTRA_STAGGERED, false);
    intent.putExtra(GridActivity.EXTRA_VIEWTYPEPROVIDER_CLASS, TwoViewTypesProvider.class.getName());
    // Set ItemAlignment for each ViewHolder and view type,  ViewHolder should
    // override the view type settings.
    intent.putExtra(GridActivity.EXTRA_ITEMALIGNMENTPROVIDER_CLASS,
            PositionItemAlignmentFacetProviderForRelativeLayout1.class.getName());
    intent.putExtra(GridActivity.EXTRA_ITEMALIGNMENTPROVIDER_VIEWTYPE_CLASS,
            ViewTypePositionItemAlignmentFacetProviderForRelativeLayout2.class.getName());
    mOrientation = BaseGridView.VERTICAL;
    mNumRows = 1;

    initActivity(intent);

    assertEquals("First view is aligned with padding top", mGridView.getPaddingTop(),
            mGridView.getChildAt(0).getTop());

    sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
    waitForScrollIdle(mVerifyLayout);

    final View v = mGridView.getChildAt(0);
    View t1 = v.findViewById(R.id.t1);
    int t1align = (t1.getTop() + t1.getBottom()) / 2;
    View t2 = v.findViewById(R.id.t2);
    int t2align = t2.getBottom() - 10;
    assertEquals("Expected alignment for 2nd textview", mGridView.getPaddingTop() - (t2align - t1align),
            v.getTop());
}

From source file:org.bangbang.support.v4.widget.VerticalViewPager.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.// w w  w  .  ja v  a2  s.  c o m
 *
 * @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_UP:
            handled = arrowScroll(FOCUS_UP);
            break;
        case KeyEvent.KEYCODE_DPAD_DOWN:
            handled = arrowScroll(FOCUS_DOWN);
            break;
        case KeyEvent.KEYCODE_TAB:
            if (Build.VERSION.SDK_INT >= 11) {
                // The focus finder had a bug handling FOCUS_FORWARD and FOCUS_BACKWARD
                // before Android 3.0. Ignore the tab key on those devices.
                if (KeyEventCompat.hasNoModifiers(event)) {
                    handled = arrowScroll(FOCUS_FORWARD);
                } else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_SHIFT_ON)) {
                    handled = arrowScroll(FOCUS_BACKWARD);
                }
            }
            break;
        }
    }
    return handled;
}

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

private boolean handleKeyEvent(int keyCode, int count, KeyEvent event) {
    if (mAdapter == null || !mIsAttached) {
        return false;
    }/*ww w.  j  ava2 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:android.support.v17.leanback.widget.GridWidgetTest.java

public void testMultipleScrollPosition2() throws Throwable {
    mInstrumentation = getInstrumentation();
    Intent intent = new Intent(mInstrumentation.getContext(), GridActivity.class);
    intent.putExtra(GridActivity.EXTRA_LAYOUT_RESOURCE_ID, R.layout.vertical_linear);
    intent.putExtra(GridActivity.EXTRA_CHILD_LAYOUT_ID, R.layout.relative_layout);
    intent.putExtra(GridActivity.EXTRA_REQUEST_FOCUS_ONLAYOUT, true);
    int[] items = new int[100];
    for (int i = 0; i < items.length; i++) {
        items[i] = 300;/*w w  w.  jav a  2 s  .  co m*/
    }
    intent.putExtra(GridActivity.EXTRA_ITEMS, items);
    intent.putExtra(GridActivity.EXTRA_STAGGERED, false);
    intent.putExtra(GridActivity.EXTRA_VIEWTYPEPROVIDER_CLASS, TwoViewTypesProvider.class.getName());
    intent.putExtra(GridActivity.EXTRA_ITEMALIGNMENTPROVIDER_CLASS,
            PositionItemAlignmentFacetProviderForRelativeLayout2.class.getName());
    mOrientation = BaseGridView.VERTICAL;
    mNumRows = 1;

    initActivity(intent);

    assertEquals("First view is aligned with padding top", mGridView.getPaddingTop(),
            mGridView.getChildAt(0).getTop());

    sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
    waitForScrollIdle(mVerifyLayout);

    final View v = mGridView.getChildAt(0);
    View t1 = v.findViewById(R.id.t1);
    int t1align = t1.getTop();
    View t2 = v.findViewById(R.id.t2);
    int t2align = t2.getTop() - 10;
    assertEquals("Expected alignment for 2nd textview", mGridView.getPaddingTop() - (t2align - t1align),
            v.getTop());
}

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

public void testMultipleScrollPosition3() throws Throwable {
    mInstrumentation = getInstrumentation();
    Intent intent = new Intent(mInstrumentation.getContext(), GridActivity.class);
    intent.putExtra(GridActivity.EXTRA_LAYOUT_RESOURCE_ID, R.layout.vertical_linear);
    intent.putExtra(GridActivity.EXTRA_CHILD_LAYOUT_ID, R.layout.relative_layout);
    intent.putExtra(GridActivity.EXTRA_REQUEST_FOCUS_ONLAYOUT, true);
    int[] items = new int[100];
    for (int i = 0; i < items.length; i++) {
        items[i] = 300;//from  w w w  . j ava 2s .co  m
    }
    intent.putExtra(GridActivity.EXTRA_ITEMS, items);
    intent.putExtra(GridActivity.EXTRA_STAGGERED, false);
    intent.putExtra(GridActivity.EXTRA_VIEWTYPEPROVIDER_CLASS, TwoViewTypesProvider.class.getName());
    intent.putExtra(GridActivity.EXTRA_ITEMALIGNMENTPROVIDER_VIEWTYPE_CLASS,
            ViewTypePositionItemAlignmentFacetProviderForRelativeLayout2.class.getName());
    mOrientation = BaseGridView.VERTICAL;
    mNumRows = 1;

    initActivity(intent);

    assertEquals("First view is aligned with padding top", mGridView.getPaddingTop(),
            mGridView.getChildAt(0).getTop());

    sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
    waitForScrollIdle(mVerifyLayout);

    final View v = mGridView.getChildAt(0);
    View t1 = v.findViewById(R.id.t1);
    int t1align = t1.getTop();
    View t2 = v.findViewById(R.id.t2);
    int t2align = t2.getBottom() - 10;
    assertEquals("Expected alignment for 2nd textview", mGridView.getPaddingTop() - (t2align - t1align),
            v.getTop());
}