private boolean listViewStatus() {
boolean flag = false;
AdapterView<?> listView = null;
for (int i = 0; i < getChildCount(); i++) {
View v = getChildAt(i);
if (v instanceof AdapterView<?>) {
listView = (AdapterView<?>) v;
}
}
if (listView == null) { //
return false;
}
int frist = listView.getFirstVisiblePosition();
int last = listView.getLastVisiblePosition();
View top = listView.getChildAt(0);
View bottom = listView.getChildAt(listView.getChildCount() - 1);
if (top != null && frist == 0 && top.getTop() == 0) { // 最顶端
moveStatus = STATUS_REFRESH_TOP;
flag = true;
} else if (bottom != null
&& last >= (listView.getCount() - 1)
&& bottom.getBottom() == listView.getHeight()) { // 最底端
moveStatus = STATUS_REFRESH_FOOTER;
flag = true;
} else {
moveStatus = STATUS_REFRESH_NONE;
flag = false;
}
return flag;
}
/** Handles the user selecting an item from the popup. */
@Override
public void onItemClick(
AdapterView<?> parent, // The ListView
View view, // The TextView that was clicked
int position,
long id) {
if (DBG) log("RespondViaSmsItemClickListener.onItemClick(" + position + ")...");
String message = (String) parent.getItemAtPosition(position);
if (VDBG) log("- message: '" + message + "'");
// The "Custom" choice is a special case.
// (For now, it's guaranteed to be the last item.)
if (position == (parent.getCount() - 1)) {
// Take the user to the standard SMS compose UI.
launchSmsCompose(mPhoneNumber);
} else {
// Send the selected message immediately with no user interaction.
sendText(mPhoneNumber, message);
// ...and show a brief confirmation to the user (since
// otherwise it's hard to be sure that anything actually
// happened.)
final Resources res = mInCallScreen.getResources();
String formatString = res.getString(R.string.respond_via_sms_confirmation_format);
String confirmationMsg = String.format(formatString, mPhoneNumber);
Toast.makeText(mInCallScreen, confirmationMsg, Toast.LENGTH_LONG).show();
// TODO: If the device is locked, this toast won't actually ever
// be visible! (That's because we're about to dismiss the call
// screen, which means that the device will return to the
// keyguard. But toasts aren't visible on top of the keyguard.)
// Possible fixes:
// (1) Is it possible to allow a specific Toast to be visible
// on top of the keyguard?
// (2) Artifically delay the dismissCallScreen() call by 3
// seconds to allow the toast to be seen?
// (3) Don't use a toast at all; instead use a transient state
// of the InCallScreen (perhaps via the InCallUiState
// progressIndication feature), and have that state be
// visible for 3 seconds before calling dismissCallScreen().
}
// At this point the user is done dealing with the incoming call, so
// there's no reason to keep it around. (It's also confusing for
// the "incoming call" icon in the status bar to still be visible.)
// So reject the call now.
mInCallScreen.hangupRingingCall();
dismissPopup();
final PhoneConstants.State state = PhoneApp.getInstance().mCM.getState();
if (state == PhoneConstants.State.IDLE) {
// There's no other phone call to interact. Exit the entire in-call screen.
PhoneApp.getInstance().dismissCallScreen();
} else {
// The user is still in the middle of other phone calls, so we should keep the
// in-call screen.
mInCallScreen.requestUpdateScreen();
}
}
private boolean canListScroll(int direction) {
AdapterView<?> absListView = (AdapterView<?>) mTargetView;
final int itemCount = absListView.getCount();
final int childCount = absListView.getChildCount();
final int firstPosition = absListView.getFirstVisiblePosition();
final int lastPosition = firstPosition + childCount;
if (itemCount == 0) {
return false;
}
if (direction > 0) {
// Are we already showing the entire last item?
if (lastPosition >= itemCount) {
final View lastView = absListView.getChildAt(childCount - 1);
if (lastView != null && lastView.getBottom() >= mTargetView.getHeight()) {
return false;
}
}
} else if (direction < 0) {
// Are we already showing the entire first item?
if (firstPosition <= 0) {
final View firstView = absListView.getChildAt(0);
if (firstView != null && firstView.getTop() >= 0) {
return false;
}
}
}
return true;
}
public int findIndexOfItemContainingText(String targetText) {
for (int i = 0; i < realAdapterView.getCount(); i++) {
View childView =
realAdapterView
.getAdapter()
.getView(i, null, new FrameLayout(realAdapterView.getContext()));
String innerText = shadowOf(childView).innerText();
if (innerText.contains(targetText)) {
return i;
}
}
return -1;
}
@Override
public void onItemSelected(AdapterView<?> listView, View view, int position, long id) {
if (autoLoadMore) {
if (hasMoreData) {
if (!isLoading()) {
if (listView.getLastVisiblePosition() + 1 == listView.getCount()) { // 如果滚动到最后一行
// 如果网络可以用
if (needCheckNetwork && !NetworkUtils.hasNetwork(context)) {
mLoadMoreView.showFail();
} else {
loadMore();
}
}
}
}
}
}
private static boolean canAdapterViewScroll(AdapterView lv) {
/* Force it to layout it's children */
if (lv.getLastVisiblePosition() == -1) return false;
/* We can scroll if the first or last item is not visible */
boolean firstItemVisible = lv.getFirstVisiblePosition() == 0;
boolean lastItemVisible = lv.getLastVisiblePosition() == lv.getCount() - 1;
if (firstItemVisible && lastItemVisible && lv.getChildCount() > 0) {
/* Or the first item's top is above or own top */
if (lv.getChildAt(0).getTop() < lv.getPaddingTop()) return true;
/* or the last item's bottom is beyond our own bottom */
return lv.getChildAt(lv.getChildCount() - 1).getBottom()
> lv.getHeight() - lv.getPaddingBottom();
}
return true;
}