Java Code Examples for android.view.View.FOCUS_LEFT
The following are Jave code examples for showing how to use
FOCUS_LEFT of the
android.view.View
class.
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Example 1
| Project: LaunchEnr File: PagedView.java Source Code and License | 7 votes |
@Override
public boolean dispatchUnhandledMove(View focused, int direction) {
if (super.dispatchUnhandledMove(focused, direction)) {
return true;
}
if (mIsRtl) {
if (direction == View.FOCUS_LEFT) {
direction = View.FOCUS_RIGHT;
} else if (direction == View.FOCUS_RIGHT) {
direction = View.FOCUS_LEFT;
}
}
if (direction == View.FOCUS_LEFT) {
if (getCurrentPage() > 0) {
snapToPage(getCurrentPage() - 1);
return true;
}
} else if (direction == View.FOCUS_RIGHT) {
if (getCurrentPage() < getPageCount() - 1) {
snapToPage(getCurrentPage() + 1);
return true;
}
}
return false;
}
Example 2
| Project: LaunchEnr File: PagedView.java Source Code and License | 7 votes |
@Override
public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
if (getDescendantFocusability() == FOCUS_BLOCK_DESCENDANTS) {
return;
}
// XXX-RTL: This will be fixed in a future CL
if (mCurrentPage >= 0 && mCurrentPage < getPageCount()) {
getPageAt(mCurrentPage).addFocusables(views, direction, focusableMode);
}
if (direction == View.FOCUS_LEFT) {
if (mCurrentPage > 0) {
getPageAt(mCurrentPage - 1).addFocusables(views, direction, focusableMode);
}
} else if (direction == View.FOCUS_RIGHT){
if (mCurrentPage < getPageCount() - 1) {
getPageAt(mCurrentPage + 1).addFocusables(views, direction, focusableMode);
}
}
}
Example 3
| Project: FlickLauncher File: PagedView.java Source Code and License | 7 votes |
@Override
public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
// XXX-RTL: This will be fixed in a future CL
if (mCurrentPage >= 0 && mCurrentPage < getPageCount()) {
getPageAt(mCurrentPage).addFocusables(views, direction, focusableMode);
}
if (direction == View.FOCUS_LEFT) {
if (mCurrentPage > 0) {
getPageAt(mCurrentPage - 1).addFocusables(views, direction, focusableMode);
}
} else if (direction == View.FOCUS_RIGHT){
if (mCurrentPage < getPageCount() - 1) {
getPageAt(mCurrentPage + 1).addFocusables(views, direction, focusableMode);
}
}
}
Example 4
| Project: TvHelper File: FocusBehaviourHandlerView.java Source Code and License | 7 votes |
/**
* Logic taken from FocusSearch#isCandidate
*/
private boolean isPreferredNextFocusAbsolute(View focused, View next, int direction) {
int[] location = getLocation(focused);
int[] location2 = getLocation(next);
mTempRect.set(location[0], location[1], location[0] + focused.getWidth(), location[1] + focused.getHeight());
mTempRect2.set(location2[0], location2[1], location2[0] + next.getWidth(), location2[1] + next.getHeight());
switch (direction) {
case View.FOCUS_LEFT:
return mTempRect.left >= mTempRect2.right;
case View.FOCUS_RIGHT:
return mTempRect.right <= mTempRect2.left;
case View.FOCUS_UP:
return mTempRect.top >= mTempRect2.bottom;
case View.FOCUS_DOWN:
return mTempRect.bottom <= mTempRect2.top;
}
throw new IllegalArgumentException("direction must be absolute. received:" + direction);
}
Example 5
| Project: SimpleUILauncher File: PagedView.java Source Code and License | 7 votes |
@Override
public boolean dispatchUnhandledMove(View focused, int direction) {
if (super.dispatchUnhandledMove(focused, direction)) {
return true;
}
if (mIsRtl) {
if (direction == View.FOCUS_LEFT) {
direction = View.FOCUS_RIGHT;
} else if (direction == View.FOCUS_RIGHT) {
direction = View.FOCUS_LEFT;
}
}
if (direction == View.FOCUS_LEFT) {
if (getCurrentPage() > 0) {
snapToPage(getCurrentPage() - 1);
return true;
}
} else if (direction == View.FOCUS_RIGHT) {
if (getCurrentPage() < getPageCount() - 1) {
snapToPage(getCurrentPage() + 1);
return true;
}
}
return false;
}
Example 6
| Project: SimpleUILauncher File: PagedView.java Source Code and License | 7 votes |
@Override
public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
// XXX-RTL: This will be fixed in a future CL
if (mCurrentPage >= 0 && mCurrentPage < getPageCount()) {
getPageAt(mCurrentPage).addFocusables(views, direction, focusableMode);
}
if (direction == View.FOCUS_LEFT) {
if (mCurrentPage > 0) {
getPageAt(mCurrentPage - 1).addFocusables(views, direction, focusableMode);
}
} else if (direction == View.FOCUS_RIGHT){
if (mCurrentPage < getPageCount() - 1) {
getPageAt(mCurrentPage + 1).addFocusables(views, direction, focusableMode);
}
}
}
Example 7
| Project: GitHub File: ExposeLinearLayoutManagerEx.java Source Code and License | 6 votes |
/**
* Converts a focusDirection to orientation.
*
* @param focusDirection One of {@link View#FOCUS_UP}, {@link View#FOCUS_DOWN},
* {@link View#FOCUS_LEFT}, {@link View#FOCUS_RIGHT},
* {@link View#FOCUS_BACKWARD}, {@link View#FOCUS_FORWARD}
* or 0 for not applicable
* @return {@link LayoutState#LAYOUT_START} or {@link LayoutState#LAYOUT_END} if focus direction
* is applicable to current state, {@link LayoutState#INVALID_LAYOUT} otherwise.
*/
private int convertFocusDirectionToLayoutDirectionExpose(int focusDirection) {
int orientation = getOrientation();
switch (focusDirection) {
case View.FOCUS_BACKWARD:
return LayoutState.LAYOUT_START;
case View.FOCUS_FORWARD:
return LayoutState.LAYOUT_END;
case View.FOCUS_UP:
return orientation == VERTICAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_DOWN:
return orientation == VERTICAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_LEFT:
return orientation == HORIZONTAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_RIGHT:
return orientation == HORIZONTAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
default:
if (DEBUG) {
Log.d(TAG, "Unknown focus request:" + focusDirection);
}
return LayoutState.INVALID_LAYOUT;
}
}
Example 8
| Project: GitHub File: ExposeLinearLayoutManagerEx.java Source Code and License | 6 votes |
/**
* Converts a focusDirection to orientation.
*
* @param focusDirection One of {@link View#FOCUS_UP}, {@link View#FOCUS_DOWN},
* {@link View#FOCUS_LEFT}, {@link View#FOCUS_RIGHT},
* {@link View#FOCUS_BACKWARD}, {@link View#FOCUS_FORWARD}
* or 0 for not applicable
* @return {@link LayoutState#LAYOUT_START} or {@link LayoutState#LAYOUT_END} if focus direction
* is applicable to current state, {@link LayoutState#INVALID_LAYOUT} otherwise.
*/
private int convertFocusDirectionToLayoutDirectionExpose(int focusDirection) {
int orientation = getOrientation();
switch (focusDirection) {
case View.FOCUS_BACKWARD:
return LayoutState.LAYOUT_START;
case View.FOCUS_FORWARD:
return LayoutState.LAYOUT_END;
case View.FOCUS_UP:
return orientation == VERTICAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_DOWN:
return orientation == VERTICAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_LEFT:
return orientation == HORIZONTAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_RIGHT:
return orientation == HORIZONTAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
default:
if (DEBUG) {
Log.d(TAG, "Unknown focus request:" + focusDirection);
}
return LayoutState.INVALID_LAYOUT;
}
}
Example 9
| Project: airgram File: StaggeredGridLayoutManager.java Source Code and License | 6 votes |
/**
* Converts a focusDirection to orientation.
*
* @param focusDirection One of {@link View#FOCUS_UP}, {@link View#FOCUS_DOWN},
* {@link View#FOCUS_LEFT}, {@link View#FOCUS_RIGHT},
* {@link View#FOCUS_BACKWARD}, {@link View#FOCUS_FORWARD}
* or 0 for not applicable
* @return {@link LayoutState#LAYOUT_START} or {@link LayoutState#LAYOUT_END} if focus direction
* is applicable to current state, {@link LayoutState#INVALID_LAYOUT} otherwise.
*/
private int convertFocusDirectionToLayoutDirection(int focusDirection) {
switch (focusDirection) {
case View.FOCUS_BACKWARD:
return LayoutState.LAYOUT_START;
case View.FOCUS_FORWARD:
return LayoutState.LAYOUT_END;
case View.FOCUS_UP:
return mOrientation == VERTICAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_DOWN:
return mOrientation == VERTICAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_LEFT:
return mOrientation == HORIZONTAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_RIGHT:
return mOrientation == HORIZONTAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
default:
if (DEBUG) {
Log.d(TAG, "Unknown focus request:" + focusDirection);
}
return LayoutState.INVALID_LAYOUT;
}
}
Example 10
| Project: airgram File: LinearLayoutManager.java Source Code and License | 6 votes |
/**
* Converts a focusDirection to orientation.
*
* @param focusDirection One of {@link View#FOCUS_UP}, {@link View#FOCUS_DOWN},
* {@link View#FOCUS_LEFT}, {@link View#FOCUS_RIGHT},
* {@link View#FOCUS_BACKWARD}, {@link View#FOCUS_FORWARD}
* or 0 for not applicable
* @return {@link LayoutState#LAYOUT_START} or {@link LayoutState#LAYOUT_END} if focus direction
* is applicable to current state, {@link LayoutState#INVALID_LAYOUT} otherwise.
*/
int convertFocusDirectionToLayoutDirection(int focusDirection) {
switch (focusDirection) {
case View.FOCUS_BACKWARD:
return LayoutState.LAYOUT_START;
case View.FOCUS_FORWARD:
return LayoutState.LAYOUT_END;
case View.FOCUS_UP:
return mOrientation == VERTICAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_DOWN:
return mOrientation == VERTICAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_LEFT:
return mOrientation == HORIZONTAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_RIGHT:
return mOrientation == HORIZONTAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
default:
if (DEBUG) {
Log.d(TAG, "Unknown focus request:" + focusDirection);
}
return LayoutState.INVALID_LAYOUT;
}
}
Example 11
| Project: vlayout File: ExposeLinearLayoutManagerEx.java Source Code and License | 6 votes |
/**
* Converts a focusDirection to orientation.
*
* @param focusDirection One of {@link View#FOCUS_UP}, {@link View#FOCUS_DOWN},
* {@link View#FOCUS_LEFT}, {@link View#FOCUS_RIGHT},
* {@link View#FOCUS_BACKWARD}, {@link View#FOCUS_FORWARD}
* or 0 for not applicable
* @return {@link LayoutState#LAYOUT_START} or {@link LayoutState#LAYOUT_END} if focus direction
* is applicable to current state, {@link LayoutState#INVALID_LAYOUT} otherwise.
*/
private int convertFocusDirectionToLayoutDirectionExpose(int focusDirection) {
int orientation = getOrientation();
switch (focusDirection) {
case View.FOCUS_BACKWARD:
return LayoutState.LAYOUT_START;
case View.FOCUS_FORWARD:
return LayoutState.LAYOUT_END;
case View.FOCUS_UP:
return orientation == VERTICAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_DOWN:
return orientation == VERTICAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_LEFT:
return orientation == HORIZONTAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_RIGHT:
return orientation == HORIZONTAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
default:
if (DEBUG) {
Log.d(TAG, "Unknown focus request:" + focusDirection);
}
return LayoutState.INVALID_LAYOUT;
}
}
Example 12
| Project: xlight_android_native File: CustomViewAbove.java Source Code and License | 6 votes |
/**
* 获得滑动的方向
*/
public boolean arrowScroll(int direction) {
View currentFocused = findFocus();
if (currentFocused == this) currentFocused = null;
boolean handled = false;
View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused,
direction);
if (nextFocused != null && nextFocused != currentFocused) {
if (direction == View.FOCUS_LEFT) {
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.
if (currentFocused != null && nextFocused.getLeft() <= currentFocused.getLeft()) {
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();
}
if (handled) {
playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction));
}
return handled;
}
Example 13
| Project: WeatherStream File: CustomViewAbove.java Source Code and License | 6 votes |
public boolean arrowScroll(int direction) {
View currentFocused = findFocus();
if (currentFocused == this) currentFocused = null;
boolean handled = false;
View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused,
direction);
if (nextFocused != null && nextFocused != currentFocused) {
if (direction == View.FOCUS_LEFT) {
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.
if (currentFocused != null && nextFocused.getLeft() <= currentFocused.getLeft()) {
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();
}
if (handled) {
playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction));
}
return handled;
}
Example 14
| Project: AndroidTvDemo File: FocusGridLayoutManager.java Source Code and License | 6 votes |
/**
* Calculates position offset.
*
* @param direction regular {@code View.FOCUS_*}.
* @return position offset according to {@code direction}.
*/
protected int calcOffsetToNextView(int direction)
{
int spanCount = getSpanCount();
int orientation = getOrientation();
if (orientation == VERTICAL)
{
switch (direction)
{
case View.FOCUS_DOWN:
return spanCount;
case View.FOCUS_UP:
return -spanCount;
case View.FOCUS_RIGHT:
return 1;
case View.FOCUS_LEFT:
return -1;
}
}
else if (orientation == HORIZONTAL)
{
switch (direction)
{
case View.FOCUS_DOWN:
return 1;
case View.FOCUS_UP:
return -1;
case View.FOCUS_RIGHT:
return spanCount;
case View.FOCUS_LEFT:
return -spanCount;
}
}
return 0;
}
Example 15
| Project: PlusGram File: StaggeredGridLayoutManager.java Source Code and License | 6 votes |
/**
* Converts a focusDirection to orientation.
*
* @param focusDirection One of {@link View#FOCUS_UP}, {@link View#FOCUS_DOWN},
* {@link View#FOCUS_LEFT}, {@link View#FOCUS_RIGHT},
* {@link View#FOCUS_BACKWARD}, {@link View#FOCUS_FORWARD}
* or 0 for not applicable
* @return {@link LayoutState#LAYOUT_START} or {@link LayoutState#LAYOUT_END} if focus direction
* is applicable to current state, {@link LayoutState#INVALID_LAYOUT} otherwise.
*/
private int convertFocusDirectionToLayoutDirection(int focusDirection) {
switch (focusDirection) {
case View.FOCUS_BACKWARD:
return LayoutState.LAYOUT_START;
case View.FOCUS_FORWARD:
return LayoutState.LAYOUT_END;
case View.FOCUS_UP:
return mOrientation == VERTICAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_DOWN:
return mOrientation == VERTICAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_LEFT:
return mOrientation == HORIZONTAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_RIGHT:
return mOrientation == HORIZONTAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
default:
if (DEBUG) {
Log.d(TAG, "Unknown focus request:" + focusDirection);
}
return LayoutState.INVALID_LAYOUT;
}
}
Example 16
| Project: PlusGram File: LinearLayoutManager.java Source Code and License | 6 votes |
/**
* Converts a focusDirection to orientation.
*
* @param focusDirection One of {@link View#FOCUS_UP}, {@link View#FOCUS_DOWN},
* {@link View#FOCUS_LEFT}, {@link View#FOCUS_RIGHT},
* {@link View#FOCUS_BACKWARD}, {@link View#FOCUS_FORWARD}
* or 0 for not applicable
* @return {@link LayoutState#LAYOUT_START} or {@link LayoutState#LAYOUT_END} if focus direction
* is applicable to current state, {@link LayoutState#INVALID_LAYOUT} otherwise.
*/
int convertFocusDirectionToLayoutDirection(int focusDirection) {
switch (focusDirection) {
case View.FOCUS_BACKWARD:
return LayoutState.LAYOUT_START;
case View.FOCUS_FORWARD:
return LayoutState.LAYOUT_END;
case View.FOCUS_UP:
return mOrientation == VERTICAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_DOWN:
return mOrientation == VERTICAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_LEFT:
return mOrientation == HORIZONTAL ? LayoutState.LAYOUT_START
: LayoutState.INVALID_LAYOUT;
case View.FOCUS_RIGHT:
return mOrientation == HORIZONTAL ? LayoutState.LAYOUT_END
: LayoutState.INVALID_LAYOUT;
default:
if (DEBUG) {
Log.d(TAG, "Unknown focus request:" + focusDirection);
}
return LayoutState.INVALID_LAYOUT;
}
}
Example 17
| Project: LiuAGeAndroid File: CustomViewAbove.java Source Code and License | 6 votes |
public boolean arrowScroll(int direction) {
View currentFocused = findFocus();
if (currentFocused == this) currentFocused = null;
boolean handled = false;
View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused,
direction);
if (nextFocused != null && nextFocused != currentFocused) {
if (direction == View.FOCUS_LEFT) {
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.
if (currentFocused != null && nextFocused.getLeft() <= currentFocused.getLeft()) {
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();
}
if (handled) {
playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction));
}
return handled;
}
Example 18
| Project: Swap File: PLA_AbsListView.java Source Code and License | 6 votes |
/**
* 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
* @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;
default:
throw new IllegalArgumentException("direction must be one of "
+ "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT}.");
}
int deltaX = dX - sX;
int deltaY = dY - sY;
return deltaY * deltaY + deltaX * deltaX;
}
Example 19
| Project: DailyZhiHu File: CustomViewAbove.java Source Code and License | 6 votes |
public boolean arrowScroll(int direction) {
View currentFocused = findFocus();
if (currentFocused == this) currentFocused = null;
boolean handled = false;
View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused,
direction);
if (nextFocused != null && nextFocused != currentFocused) {
if (direction == View.FOCUS_LEFT) {
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.
if (currentFocused != null && nextFocused.getLeft() <= currentFocused.getLeft()) {
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();
}
if (handled) {
playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction));
}
return handled;
}
Example 20
| Project: ChatExchange-old File: CustomViewAbove.java Source Code and License | 5 votes |
public boolean arrowScroll(int direction)
{
View currentFocused = findFocus();
if (currentFocused == this)
{
currentFocused = null;
}
boolean handled = false;
View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused,
direction);
if (nextFocused != null && nextFocused != currentFocused)
{
if (direction == View.FOCUS_LEFT)
{
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.
if (currentFocused != null && nextFocused.getLeft() <= currentFocused.getLeft())
{
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();
}
if (handled)
{
playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction));
}
return handled;
}
