Example usage for android.widget ListAdapter getCount

Introduction

In this page you can find the example usage for android.widget ListAdapter getCount.

Prototype

int getCount();

Source Link

Document

How many items are in the data set represented by this Adapter.

Usage

From source file:com.dm.xz.views.PinnedSectionListView.java

int findFirstVisibleSectionPosition(int firstVisibleItem, int visibleItemCount) {
    ListAdapter adapter = getAdapter();

    int adapterDataCount = adapter.getCount();
    if (getLastVisiblePosition() >= adapterDataCount)
        return -1; // dataset has changed, no candidate

    if (firstVisibleItem + visibleItemCount >= adapterDataCount) {//added to prevent index Outofbound (in case)
        visibleItemCount = adapterDataCount - firstVisibleItem;
    }//w ww . j av  a 2s.c o m

    for (int childIndex = 0; childIndex < visibleItemCount; childIndex++) {
        int position = firstVisibleItem + childIndex;
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType))
            return position;
    }
    return -1;
}

---

From source file:com.dm.xz.views.PinnedSectionListView.java

int findCurrentSectionPosition(int fromPosition) {
    ListAdapter adapter = getAdapter();

    if (fromPosition >= adapter.getCount())
        return -1; // dataset has changed, no candidate

    if (adapter instanceof SectionIndexer) {
        // try fast way by asking section indexer
        SectionIndexer indexer = (SectionIndexer) adapter;
        int sectionPosition = indexer.getSectionForPosition(fromPosition);
        int itemPosition = indexer.getPositionForSection(sectionPosition);
        int typeView = adapter.getItemViewType(itemPosition);
        if (isItemViewTypePinned(adapter, typeView)) {
            return itemPosition;
        } // else, no luck
    }//from  www  .j ava 2 s. c  o  m

    // try slow way by looking through to the next section item above
    for (int position = fromPosition; position >= 0; position--) {
        int viewType = adapter.getItemViewType(position);
        if (isItemViewTypePinned(adapter, viewType))
            return position;
    }
    return -1; // no candidate found
}

---

From source file:org.kontalk.ui.ConversationsActivity.java

@Override
public boolean onSearchRequested() {
    ConversationListFragment fragment = getListFragment();

    ListAdapter list = fragment.getListAdapter();
    // no data found
    if (list == null || list.getCount() == 0)
        return false;

    toggleSearch();/*www.ja v  a  2s .  c o  m*/
    return false;
}

---

From source file:org.solovyev.android.widget.menu.CustomPopupMenuHelper.java

private int measureContentWidth() {
    // Menus don't tend to be long, so this is more sane than it looks.
    int maxWidth = 0;
    View itemView = null;/*from  w  w w  .jav  a 2 s.  co m*/
    int itemType = 0;

    final ListAdapter adapter = mAdapter;
    final int widthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    final int heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final int positionType = adapter.getItemViewType(i);
        if (positionType != itemType) {
            itemType = positionType;
            itemView = null;
        }

        if (mMeasureParent == null) {
            mMeasureParent = new FrameLayout(mContext);
        }

        itemView = adapter.getView(i, itemView, mMeasureParent);
        itemView.measure(widthMeasureSpec, heightMeasureSpec);

        final int itemWidth = itemView.getMeasuredWidth();
        if (itemWidth >= mPopupMaxWidth) {
            return mPopupMaxWidth;
        } else if (itemWidth > maxWidth) {
            maxWidth = itemWidth;
        }
    }

    return maxWidth;
}

---

From source file:net.naonedbus.fragment.CustomListFragment.java

/**
 * Gestion du changement du contenu de l'adapter : affichage ou non du
 * message comme quoi la liste est vide.
 * /*ww  w .j  a  va2s  . com*/
 * @param adapter
 */
public void onListAdapterChange(final ListAdapter adapter) {
    if (DBG)
        Log.d(LOG_TAG + "$" + getClass().getSimpleName(), "onListAdapterChange");

    if (adapter == null || adapter.getCount() == 0) {
        showMessage(mMessageEmptyTitleId, mMessageEmptySummaryId, mMessageEmptyDrawableId);
    } else {
        showContent();
    }
}

---

From source file:com.actionbarsherlock.internal.view.menu.MenuPopupHelper.java

private int measureContentWidth(ListAdapter adapter) {
    // Menus don't tend to be long, so this is more sane than it looks.
    int width = 0;
    View itemView = null;//from  w ww . ja v  a  2 s  . c  o  m
    int itemType = 0;
    final int widthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    final int heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    final int count = adapter.getCount();
    for (int i = 0; i < count; i++) {
        final int positionType = adapter.getItemViewType(i);
        if (positionType != itemType) {
            itemType = positionType;
            itemView = null;
        }
        if (mMeasureParent == null) {
            mMeasureParent = new FrameLayout(mContext);
        }
        itemView = adapter.getView(i, itemView, mMeasureParent);
        itemView.measure(widthMeasureSpec, heightMeasureSpec);
        width = Math.max(width, itemView.getMeasuredWidth());
    }
    return width;
}

---

From source file:org.lol.reddit.fragments.CommentListingFragment.java

public void handleCommentVisibilityToggle(RedditCommentView view) {

    final boolean isCollapsed = view.handleVisibilityToggle();
    outerAdapter.notifyDataSetChanged();

    if (isCollapsed) {

        final RedditPreparedComment comment = view.getComment();
        final ListAdapter adapter = lv.getAdapter();
        final int count = adapter.getCount();

        for (int i = 0; i < count; i++) {
            if (adapter.getItem(i) == comment) {

                if (i == lv.getFirstVisiblePosition()) {
                    lv.smoothScrollToPosition(i);
                }/*w  w w .ja va  2s.  c  o  m*/

                break;
            }
        }
    }
}

---

From source file:com.library.core.view.HorizontalListView.java

/**
 * Find a position that can be selected (i.e., is not a separator).
 * //from   w ww.ja v a 2  s  .  c  o m
 * @param position
 *            The starting position to look at.
 * @param lookDown
 *            Whether to look down for other positions.
 * @return The next selectable position starting at position and then
 *         searching either up or down. Returns {@link #INVALID_POSITION} if
 *         nothing can be found.
 */
int lookForSelectablePosition(int position, boolean lookDown) {
    final ListAdapter adapter = mAdapter;
    if (adapter == null || isInTouchMode()) {
        return INVALID_POSITION;
    }

    final int count = adapter.getCount();
    if (!adapter.areAllItemsEnabled()) {
        if (lookDown) {
            position = Math.max(0, position);
            while (position < count && !adapter.isEnabled(position)) {
                position++;
            }
        } else {
            position = Math.min(position, count - 1);
            while (position >= 0 && !adapter.isEnabled(position)) {
                position--;
            }
        }

        if (position < 0 || position >= count) {
            return INVALID_POSITION;
        }
        return position;
    } else {
        if (position < 0 || position >= count) {
            return INVALID_POSITION;
        }
        return position;
    }
}

---

From source file:com.ubuntuone.android.files.activity.PreferencesActivity.java

private void openPreference(String key) {
    PreferenceScreen screen = getPreferenceScreen();
    Log.d(TAG, "screen not null");
    if (screen != null) {
        ListAdapter adapter = getPreferenceScreen().getRootAdapter();
        for (int i = 0; i < adapter.getCount(); i++) {
            Preference p = (Preference) adapter.getItem(i);
            Log.d(TAG, "key is: " + p.getKey());
            if (p.getKey().equals(key)) {
                screen.onItemClick(null, null, i, 0);
                break;
            }//from   w w w . j  a  v a  2s .c om
        }
    }
}

---

From source file:de.vanita5.twittnuker.fragment.support.BaseSupportListFragment.java

@Override
public void onScroll(final AbsListView view, final int firstVisibleItem, final int visibleItemCount,
        final int totalItemCount) {
    final ListAdapter adapter = getListAdapter();
    if (adapter == null)
        return;/*from w ww . j a  va  2 s. c  om*/
    final boolean reachedTop = firstVisibleItem == 0;
    final boolean reachedBottom = firstVisibleItem + visibleItemCount >= totalItemCount
            && totalItemCount >= visibleItemCount;

    if (mReachedBottom != reachedBottom) {
        mReachedBottom = reachedBottom;
        if (mReachedBottom && mNotReachedBottomBefore) {
            mNotReachedBottomBefore = false;
            return;
        }
        if (mReachedBottom && adapter.getCount() > visibleItemCount) {
            onReachedBottom();
        }
    }
    if (mReachedTop != reachedTop) {
        mReachedTop = reachedTop;
        if (mReachedTop && mNotReachedTopBefore) {
            mNotReachedTopBefore = false;
            return;
        }
        if (mReachedTop && adapter.getCount() > visibleItemCount) {
            onReachedTop();
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• »