下面列出了android.widget.ListAdapter#isEmpty ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
//
super.onRefreshing(false);
//
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
// smoothScrollTo(0);
smoothScrollTo(getFooterSize());
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = (int) (getScrollY() + getHeaderSize() * LoadingLayout.SCALE_REFRESHING);
smoothScrollTo((int) (-getHeaderSize() * LoadingLayout.SCALE_REFRESHING));
break;
}
oppositeListViewLoadingView.setVisibility(View.GONE);
}
protected void setRefreshingInternal(boolean doScroll) {
ListAdapter adapter = ((ListView) this.mRefreshableView).getAdapter();
if (adapter == null || adapter.isEmpty()) {
super.setRefreshingInternal(doScroll);
return;
}
PullToRefreshHeaderView originalLoadingLayout;
PullToRefreshHeaderView listViewLoadingLayout;
int selection;
int scrollToY;
super.setRefreshingInternal(false);
switch (getCurrentMode()) {
case 2:
originalLoadingLayout = getFooterLayout();
listViewLoadingLayout = this.mFooterLoadingView;
selection = ((ListView) this.mRefreshableView).getCount() - 1;
scrollToY = getScrollY() - getHeaderHeight();
break;
default:
originalLoadingLayout = getHeaderLayout();
listViewLoadingLayout = this.mHeaderLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderHeight();
break;
}
if (doScroll) {
setHeaderScroll(scrollToY);
}
originalLoadingLayout.setVisibility(4);
listViewLoadingLayout.setVisibility(0);
listViewLoadingLayout.setParams(this.objs);
listViewLoadingLayout.refreshing();
if (doScroll) {
((ListView) this.mRefreshableView).setSelection(selection);
smoothScrollTo(0);
}
}
protected void setRefreshingInternal(boolean doScroll) {
ListAdapter adapter = ((ExpandableListView) this.mRefreshableView).getAdapter();
if (adapter == null || adapter.isEmpty()) {
super.setRefreshingInternal(doScroll);
return;
}
PullToRefreshHeaderView originalLoadingLayout;
PullToRefreshHeaderView listViewLoadingLayout;
int selection;
int scrollToY;
super.setRefreshingInternal(false);
switch (getCurrentMode()) {
case 2:
originalLoadingLayout = getFooterLayout();
listViewLoadingLayout = this.mFooterLoadingView;
selection = ((ExpandableListView) this.mRefreshableView).getCount() - 1;
scrollToY = getScrollY() - getHeaderHeight();
break;
default:
originalLoadingLayout = getHeaderLayout();
listViewLoadingLayout = this.mHeaderLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderHeight();
break;
}
if (doScroll) {
setHeaderScroll(scrollToY);
}
originalLoadingLayout.setVisibility(4);
listViewLoadingLayout.setParams(this.objs);
listViewLoadingLayout.setVisibility(0);
listViewLoadingLayout.refreshing();
if (doScroll) {
((ExpandableListView) this.mRefreshableView).setSelection(selection);
smoothScrollTo(0);
}
}
protected void resetHeader(boolean immediately) {
ListAdapter adapter = ((ExpandableListView) this.mRefreshableView).getAdapter();
if (adapter == null || adapter.isEmpty()) {
super.resetHeader(immediately);
return;
}
PullToRefreshHeaderView originalLoadingLayout;
PullToRefreshHeaderView listViewLoadingLayout;
boolean doScroll;
int scrollToHeight = getHeaderHeight();
switch (getCurrentMode()) {
case 2:
originalLoadingLayout = getFooterLayout();
listViewLoadingLayout = this.mFooterLoadingView;
doScroll = isReadyForPullUp();
break;
default:
originalLoadingLayout = getHeaderLayout();
listViewLoadingLayout = this.mHeaderLoadingView;
scrollToHeight *= -1;
doScroll = isReadyForPullDown();
break;
}
originalLoadingLayout.setVisibility(0);
if (doScroll) {
setHeaderScroll(scrollToHeight);
}
listViewLoadingLayout.setVisibility(8);
super.resetHeader(immediately);
}
public boolean onNext(int currentItemCount, int totalItemCount) {
final ListAdapter adapter = listView.getAdapter();
if (adapter == null || adapter.isEmpty()) {
return false;
}
return ((totalItemCount - currentItemCount) <= leftoverCount);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int newHeight = 0;
final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
int heightSize = MeasureSpec.getSize(heightMeasureSpec);
if (heightMode != MeasureSpec.EXACTLY) {
ListAdapter listAdapter = getAdapter();
if (listAdapter != null && !listAdapter.isEmpty()) {
int listPosition;
for (listPosition = 0; listPosition < listAdapter.getCount()
&& listPosition < MAXIMUM_LIST_ITEMS_VIEWABLE; listPosition++) {
View listItem = listAdapter.getView(listPosition, null, this);
//now it will not throw a NPE if listItem is a ViewGroup instance
if (listItem instanceof ViewGroup) {
listItem.setLayoutParams(
new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT));
}
listItem.measure(widthMeasureSpec, heightMeasureSpec);
newHeight += listItem.getMeasuredHeight();
}
newHeight += getDividerHeight() * listPosition;
}
if ((heightMode == MeasureSpec.AT_MOST) && (newHeight > heightSize)) {
newHeight = heightSize;
}
} else {
newHeight = getMeasuredHeight();
}
setMeasuredDimension(getMeasuredWidth(), newHeight);
}
public boolean isEmpty() {
ListView listView = getRefreshableView();
if (listView == null) {
return true;
}
ListAdapter adapter = listView.getAdapter();
if (adapter == null) {
return true;
}
return adapter.isEmpty();
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
SwipeMenuListView listView = getRefreshableView();
listView.smoothCloseMenu();
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll)
{
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing()
|| null == adapter || adapter.isEmpty())
{
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode())
{
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(VISIBLE);
listViewLoadingView.refreshing();
if (doScroll)
{
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}
@Override
protected void onRefreshing(final boolean doScroll) {
/**
* If we're not showing the Refreshing view, or the list is empty, the
* the header/footer views won't show so we use the normal method.
*/
ListAdapter adapter = mRefreshableView.getAdapter();
if (!mListViewExtrasEnabled || !getShowViewWhileRefreshing() || null == adapter || adapter.isEmpty()) {
super.onRefreshing(doScroll);
return;
}
super.onRefreshing(false);
final LoadingLayout origLoadingView, listViewLoadingView, oppositeListViewLoadingView;
final int selection, scrollToY;
switch (getCurrentMode()) {
case MANUAL_REFRESH_ONLY:
case PULL_FROM_END:
origLoadingView = getFooterLayout();
listViewLoadingView = mFooterLoadingView;
oppositeListViewLoadingView = mHeaderLoadingView;
selection = mRefreshableView.getCount() - 1;
scrollToY = getScrollY() - getFooterSize();
break;
case PULL_FROM_START:
default:
origLoadingView = getHeaderLayout();
listViewLoadingView = mHeaderLoadingView;
oppositeListViewLoadingView = mFooterLoadingView;
selection = 0;
scrollToY = getScrollY() + getHeaderSize();
break;
}
// Hide our original Loading View
origLoadingView.reset();
origLoadingView.hideAllViews();
// Make sure the opposite end is hidden too
oppositeListViewLoadingView.setVisibility(View.GONE);
// Show the ListView Loading View and set it to refresh.
listViewLoadingView.setVisibility(View.VISIBLE);
listViewLoadingView.refreshing();
if (doScroll) {
// We need to disable the automatic visibility changes for now
disableLoadingLayoutVisibilityChanges();
// We scroll slightly so that the ListView's header/footer is at the
// same Y position as our normal header/footer
setHeaderScroll(scrollToY);
// Make sure the ListView is scrolled to show the loading
// header/footer
mRefreshableView.setSelection(selection);
// Smooth scroll as normal
smoothScrollTo(0);
}
}