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.lgallardo.youtorrentcontroller.TorrentDetailsFragment.java

/**
 * *//w w w  .j  a v  a2s.co  m
 * Method for Setting the Height of the ListView dynamically. Hack to fix
 * the issue of not showing all the items of the ListView when placed inside
 * a ScrollView
 * **
 */
public static void setListViewHeightBasedOnChildren(ListView listView) {

    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null)
        return;

    int desiredWidth = MeasureSpec.makeMeasureSpec(listView.getWidth(), MeasureSpec.UNSPECIFIED);
    int totalHeight = 0;
    View view = null;

    for (int i = 0; i < listAdapter.getCount(); i++) {

        long numOfLines = 1;
        view = listAdapter.getView(i, view, listView);

        if (i == 0) {
            view.setLayoutParams(new LayoutParams(desiredWidth, LayoutParams.WRAP_CONTENT));
        }

        view.measure(desiredWidth, MeasureSpec.UNSPECIFIED);

        TextView file = (TextView) view.findViewById(R.id.file);
        TextView info = (TextView) view.findViewById(R.id.info);

        if (view.getMeasuredWidth() > desiredWidth) {

            double viewWidthLong = Double.valueOf(view.getMeasuredWidth());
            double desiredWidthLong = Double.valueOf(desiredWidth);

            numOfLines = Math.round(viewWidthLong / desiredWidthLong) + 1;

            totalHeight += file.getMeasuredHeight() * numOfLines + info.getMeasuredHeight();

        } else {
            totalHeight += view.getMeasuredHeight();
        }

    }

    LayoutParams params = listView.getLayoutParams();

    params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));

    listView.setLayoutParams(params);
    listView.requestLayout();

}

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From source file:com.wheelly.fragments.LocationsListFragment.java

private int getItemPositionByAdapterId(final long id) {
    final ListAdapter adapter = getListAdapter();
    int i = 0;//from  ww  w  . j a v a  2  s  .  co  m
    while (i < adapter.getCount() && id != adapter.getItemId(i++))
        ;

    return i == adapter.getCount() && id != adapter.getItemId(i - 1) ? -1 : --i;
}

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From source file:org.mozilla.gecko.tests.AboutHomeTest.java

protected View getDisplayedBookmark(String url) {
    openAboutHomeTab(AboutHomeTabs.BOOKMARKS);
    mSolo.hideSoftKeyboard();//from   w  w  w  . j av  a  2  s.c om
    getInstrumentation().waitForIdleSync();
    ListView bookmarksTabList = findListViewWithTag(HomePager.LIST_TAG_BOOKMARKS);
    waitForNonEmptyListToLoad(bookmarksTabList);
    ListAdapter adapter = bookmarksTabList.getAdapter();
    if (adapter != null) {
        for (int i = 0; i < adapter.getCount(); i++) {
            // I am unable to click the view taken with getView for some reason so getting the child at i
            bookmarksTabList.smoothScrollToPosition(i);
            View bookmarkView = bookmarksTabList.getChildAt(i);
            if (bookmarkView instanceof android.widget.LinearLayout) {
                ViewGroup bookmarkItemView = (ViewGroup) bookmarkView;
                for (int j = 0; j < bookmarkItemView.getChildCount(); j++) {
                    View bookmarkContent = bookmarkItemView.getChildAt(j);
                    if (bookmarkContent instanceof android.widget.LinearLayout) {
                        ViewGroup bookmarkItemLayout = (ViewGroup) bookmarkContent;
                        for (int k = 0; k < bookmarkItemLayout.getChildCount(); k++) {
                            // Both the title and url are represented as text views so we can cast the view without any issues
                            TextView bookmarkTextContent = (TextView) bookmarkItemLayout.getChildAt(k);
                            if (url.equals(bookmarkTextContent.getText().toString())) {
                                return bookmarkView;
                            }
                        }
                    }
                }
            }
        }
    }
    return null;
}

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From source file:org.droidupnp.view.SettingsActivity.java

public void setListAdapter(ListAdapter adapter) {
    if (mHeaders == null) {
        mHeaders = new ArrayList<Header>();
        for (int i = 0; i < adapter.getCount(); ++i)
            mHeaders.add((Header) adapter.getItem(i));
    }/*from   w  w w  . ja  v  a 2 s  . c om*/
    super.setListAdapter(new MyPrefsHeaderAdapter(this, mHeaders));
}

---

From source file:com.oakesville.mythling.prefs.PrefsActivity.java

@Override
public void setListAdapter(ListAdapter adapter) {
    if (headers == null) {
        headers = new ArrayList<Header>();
        // when the saved state provides the list of headers, onBuildHeaders() is not called
        // so we build it from the adapter provided, then use our own adapter

        for (int i = 0; i < adapter.getCount(); i++)
            headers.add((Header) adapter.getItem(i));
    }//  w  w w  .j  av a2  s . c  om

    super.setListAdapter(new HeaderListAdapter(this, headers));
}

---

From source file:com.moonpi.tapunlock.MainActivity.java

public static void updateListViewHeight(ListView myListView) {
    ListAdapter myListAdapter = myListView.getAdapter();

    if (myListAdapter == null)
        return;//from www.j  av  a  2 s  .  com

    // Get listView height
    int totalHeight = myListView.getPaddingTop() + myListView.getPaddingBottom();
    int adapterCount = myListAdapter.getCount();

    for (int i = 0; i < adapterCount; i++) {
        View listItem = myListAdapter.getView(i, null, myListView);

        if (listItem instanceof ViewGroup) {
            listItem.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
                    ViewGroup.LayoutParams.WRAP_CONTENT));
        }

        listItem.measure(0, 0);
        totalHeight += listItem.getMeasuredHeight();
    }

    // Change height of listView
    ViewGroup.LayoutParams paramsList = myListView.getLayoutParams();
    paramsList.height = totalHeight + (myListView.getDividerHeight() * (adapterCount - 1));
    myListView.setLayoutParams(paramsList);
}

---

From source file:org.wikipedia.page.bottomcontent.BottomContentHandler.java

private void layoutContent() {
    if (!parentFragment.isAdded()) {
        return;//from  w  w w. j a  va2s  .  com
    }
    bottomContentContainer.setVisibility(View.INVISIBLE);
    // keep trying until our layout has a height...
    if (bottomContentContainer.getHeight() == 0) {
        final int postDelay = 50;
        bottomContentContainer.postDelayed(new Runnable() {
            @Override
            public void run() {
                layoutContent();
            }
        }, postDelay);
        return;
    }

    // calculate the height of the listview, based on the number of items inside it.
    ListAdapter adapter = readMoreList.getAdapter();
    if (adapter != null && adapter.getCount() > 0) {
        ViewGroup.LayoutParams params = readMoreList.getLayoutParams();
        final int itemHeight = (int) activity.getResources().getDimension(R.dimen.defaultListItemSize);
        params.height = adapter.getCount() * itemHeight
                + (readMoreList.getDividerHeight() * (adapter.getCount() - 1));
        readMoreList.setLayoutParams(params);
    }

    readMoreList.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
    bottomContentContainer.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);

    // pad the bottom of the webview, to make room for ourselves
    int totalHeight = bottomContentContainer.getMeasuredHeight();
    JSONObject payload = new JSONObject();
    try {
        payload.put("paddingBottom", (int) (totalHeight / displayDensity));
    } catch (JSONException e) {
        throw new RuntimeException(e);
    }
    bridge.sendMessage("setPaddingBottom", payload);
    // ^ sending the padding event will guarantee a ContentHeightChanged event to be triggered,
    // which will update our margin based on the scroll offset, so we don't need to do it here.
}

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From source file:dev.drsoran.moloko.fragments.AbstractTasksListFragment.java

@Override
public T getTask(String taskId) {
    T task = null;//from  w  ww  .  j av a  2s .c o  m

    final ListAdapter adapter = getListAdapter();
    final int itemCount = adapter.getCount();
    for (int i = 0; i < itemCount && task == null; i++) {
        @SuppressWarnings({ "unchecked" })
        final T temp = (T) adapter.getItem(i);
        if (temp.getId().equals(taskId)) {
            task = temp;
        }
    }

    return task;
}

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From source file:com.lolay.android.ui.LolayBaseFragmentActivity.java

/**
 * Thanks to http://nex-otaku-en.blogspot.com/2010/12/android-put-listview-in-scrollview.html
 * WARNING: Only works with Linear Layouts or you'll get a NullPointerException in the measure code
 *//*  ww w.  j a va  2s.  c o  m*/
public void listViewSetHeightFromChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition
        return;
    }

    int totalHeight = 0;
    int desiredWidth = View.MeasureSpec.makeMeasureSpec(listView.getWidth(), View.MeasureSpec.AT_MOST);
    for (int i = 0; i < listAdapter.getCount(); i++) {
        View listItem = listAdapter.getView(i, null, listView);
        listItem.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED);
        totalHeight += listItem.getMeasuredHeight();
    }

    ViewGroup.LayoutParams params = listView.getLayoutParams();
    params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
    listView.setLayoutParams(params);
    listView.requestLayout();
}

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From source file:com.zphinx.sortattributes.SortDialogManager.java

/**
 * Specifies the actions that ovccur when a stateTextView object is clicked
 *
 * @param activity/*  ww  w  . j a va  2 s . c om*/
 *            The activity hosting this dialogManager
 * @param adapter
 *            The list adapter containing multiple stateview
 * @param position
 *            The position of the stateview object been clicked
 * @throws NotFoundException
 *             If the specified state textview is not available
 */
private void clickStateTextView(final Activity activity, final ListAdapter adapter, int position)
        throws NotFoundException {
    if (position > -1) {
        int count = adapter.getCount();

        for (int i = 0; i < count; i++) {
            if (i != position) {
                StateTextView anon = (StateTextView) adapter.getItem(i);
                if ((anon != null)) {
                    anon.setCompoundDrawables(null, null, null, null);
                    anon.setSortDirection(StateTextView.SORT_UNINITIALIZED);
                }
            }
        }
        StateTextView rowView = (StateTextView) adapter.getItem(position);
        Drawable[] draws = rowView.getCompoundDrawables();
        if (draws == null) {
            draws = new Drawable[4];
        }

        Log.d(TAG, "The stateView is: ........................." + rowView);
        Log.d(TAG, "The drawable is is: ........................." + draws[2]);
        setCurrentImage(rowView, draws, activity);
        selectedIndex = position;
    }
}

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