Example usage for android.widget ListAdapter getView

Introduction

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

Prototype

View getView(int position, View convertView, ViewGroup parent);

Source Link

Document

Get a View that displays the data at the specified position in the data set.

Usage

From source file:com.lgallardo.qbittorrentclient.TorrentDetailsFragment.java

/**
 * *//from   ww w .jav a2s . c o  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 percentage = (TextView) view.findViewById(R.id.percentage);
        ProgressBar progressBar1 = (ProgressBar) view.findViewById(R.id.progressBar1);

        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) + percentage.getMeasuredHeight()
                    + progressBar1.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:util.Utils.java

/**
 * gridview//  w w w  . j a v a 2 s  .c o  m
 *
 * @param listView
 */
public static void setListViewHeightBasedOnChildren(GridView listView) {
    // ?listviewadapter
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        return;
    }
    // 
    int col = listView.getNumColumns();
    int totalHeight = 0;
    // i?4listAdapter.getCount()?4 item
    // listAdapter.getCount()?8
    for (int i = 0; i < listAdapter.getCount(); i += col) {
        // ?listview?item
        View listItem = listAdapter.getView(i, null, listView);
        listItem.measure(0, 0);
        // ?item
        totalHeight += listItem.getMeasuredHeight();
    }
    totalHeight += listView.getVerticalSpacing();

    // ?listview?
    ViewGroup.LayoutParams params = listView.getLayoutParams();
    // 
    params.height = totalHeight;
    // margin
    //        ((ViewGroup.MarginLayoutParams) params).setMargins(10, 10, 10, 10);
    // ?
    listView.setLayoutParams(params);
}

---

From source file:com.mobicage.rogerthat.util.ui.UIUtils.java

public static boolean setListViewHeightBasedOnItems(ListView listView, int maxHeight) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        return false;
    }/*from   w  ww. ja  va  2 s.  c o  m*/
    int numberOfItems = listAdapter.getCount();

    // Get total height of all items.
    int totalItemsHeight = 0;
    int desiredWidth = MeasureSpec.makeMeasureSpec(listView.getWidth(), MeasureSpec.AT_MOST);
    for (int itemPos = 0; itemPos < numberOfItems; itemPos++) {
        View item = listAdapter.getView(itemPos, null, listView);
        item.measure(desiredWidth, 0);
        totalItemsHeight += item.getMeasuredHeight();
    }

    // Get total height of all item dividers.
    int totalDividersHeight = listView.getDividerHeight() * (numberOfItems - 1);

    // Set list height.
    ViewGroup.LayoutParams params = listView.getLayoutParams();
    params.height = totalItemsHeight + totalDividersHeight;
    if (maxHeight > 0 && params.height > maxHeight) {
        params.height = maxHeight;
    }
    listView.setLayoutParams(params);
    listView.requestLayout();

    return true;
}

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From source file:com.bamobile.fdtks.util.Tools.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null)
        return;//w w w.ja  va2 s.  com

    int desiredWidth = View.MeasureSpec.makeMeasureSpec(listView.getWidth(), View.MeasureSpec.UNSPECIFIED);
    int totalHeight = 0;
    View view = null;
    for (int i = 0; i < listAdapter.getCount(); i++) {
        view = listAdapter.getView(i, view, listView);
        if (i == 0)
            view.setLayoutParams(new ViewGroup.LayoutParams(desiredWidth, ViewGroup.LayoutParams.WRAP_CONTENT));

        view.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED);
        totalHeight += view.getMeasuredHeight();
    }
    ViewGroup.LayoutParams params = listView.getLayoutParams();
    params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
    listView.setLayoutParams(params);
    listView.requestLayout();
}

---

From source file:com.lgallardo.youtorrentcontroller.TorrentDetailsFragment.java

/**
 * *//from  w  ww.  j a v  a  2s . c  o 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();

}

---

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
 *//*from   ww w.  jav a  2  s .co  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();
}

---

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

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

    if (myListAdapter == null)
        return;/*from  w  w w  .  jav  a  2s  . c  o m*/

    // 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:com.bamalearn.bamalearnburmese.DrawerMainActivity.java

public void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        return;/*from w ww .ja  va 2 s  .  c o m*/
    }

    int totalHeight = listView.getPaddingTop() + listView.getPaddingBottom();
    for (int i = 0; i < listAdapter.getCount(); i++) {
        View listItem = listAdapter.getView(i, null, listView);
        if (listItem instanceof ViewGroup)
            listItem.setLayoutParams(new AbsListView.LayoutParams(AbsListView.LayoutParams.WRAP_CONTENT,
                    AbsListView.LayoutParams.WRAP_CONTENT));
        listItem.measure(0, 0);
        totalHeight += listItem.getMeasuredHeight();
    }

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

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From source file:at.alladin.rmbt.android.views.ResultQoSDetailView.java

@SuppressWarnings("unchecked")
@Override//ww  w.java  2 s  .c  o m
public void taskEnded(JSONArray result) {
    System.out.println("ResultQoSDetail taskEnded");
    this.testResult = result;

    if (resultFetchEndTaskListener != null) {
        resultFetchEndTaskListener.taskEnded(result);
    }

    ProgressBar resultProgressBar = (ProgressBar) view.findViewById(R.id.progress_bar);
    TextView resultTextView = (TextView) view.findViewById(R.id.info_text);

    try {
        results = new QoSServerResultCollection(result);

        View successList = view.findViewById(R.id.qos_success_list);

        List<HashMap<String, String>> itemList = new ArrayList<HashMap<String, String>>();
        int index = 0;
        for (QoSTestResultEnum type : QoSTestResultEnum.values()) {
            if (results.getQoSStatistics().getTestCounter(type) > 0) {
                HashMap<String, String> listItem = new HashMap<String, String>();
                listItem.put("name", ConfigHelper.getCachedQoSNameByTestType(type, activity));
                listItem.put("type_name", type.toString());
                listItem.put("index", String.valueOf(index++));
                itemList.add(listItem);
            }
        }

        ListAdapter valueList = new SimpleAdapter(activity, itemList, R.layout.qos_category_list_item,
                new String[] { "name" }, new int[] { R.id.name });

        resultProgressBar.setVisibility(View.GONE);

        if (valueList.getCount() > 0) {

            //in case the view will change again:
            if (ListView.class.isAssignableFrom(successList.getClass())) {
                ((ListView) successList).setAdapter(valueList);
                ((ListView) successList).setOnItemClickListener(this);
            } else {
                ViewGroup vgList = (ViewGroup) successList;
                for (int i = 0; i < valueList.getCount(); i++) {
                    View v = valueList.getView(i, null, null);

                    QoSTestResultEnum key = QoSTestResultEnum
                            .valueOf(((HashMap<String, String>) valueList.getItem(i)).get("type_name"));
                    if (results.getQoSStatistics().getFailureCounter(key) > 0) {
                        ImageView img = (ImageView) v.findViewById(R.id.status);
                        img.setImageResource(R.drawable.traffic_lights_red);
                    }

                    TextView status = (TextView) v.findViewById(R.id.qos_type_status);
                    status.setText((results.getQoSStatistics().getTestCounter(key)
                            - results.getQoSStatistics().getFailedTestsCounter(key)) + "/"
                            + results.getQoSStatistics().getTestCounter(key));

                    v.setOnClickListener(this);
                    v.setTag(valueList.getItem(i));
                    vgList.addView(v);
                }
            }

            successList.invalidate();

            resultTextView.setVisibility(View.GONE);
            successList.setVisibility(View.VISIBLE);
        } else {
            resultTextView.setText(R.string.result_qos_error_no_data_available);
        }

    } catch (Throwable t) {
        resultTextView.setText(R.string.result_qos_error_no_data_available);
        resultProgressBar.setVisibility(View.GONE);
        t.printStackTrace();
    }
}

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From source file:cx.ring.fragments.CallListFragment.java

public void setGridViewHeight(GridView gridView, LinearLayout llMain) {
    ListAdapter listAdapter = gridView.getAdapter();
    if (listAdapter == null) {
        return;//w  ww  .j  av a2 s . c o m
    }

    int totalHeight = 0;
    int firstHeight = 0;
    int desiredWidth = View.MeasureSpec.makeMeasureSpec(gridView.getWidth(), View.MeasureSpec.AT_MOST);

    int rows = (listAdapter.getCount() + gridView.getNumColumns() - 1) / gridView.getNumColumns();

    for (int i = 0; i < rows; i++) {
        if (i == 0) {
            View listItem = listAdapter.getView(i, null, gridView);
            listItem.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED);
            firstHeight = listItem.getMeasuredHeight();
        }
        totalHeight += firstHeight;
    }

    LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) llMain.getLayoutParams();

    params.height = (int) (totalHeight
            + (getResources().getDimension(R.dimen.contact_vertical_spacing) * (rows - 1)
                    + llMain.getPaddingBottom() + llMain.getPaddingTop()));
    llMain.setLayoutParams(params);
    mHeader.requestLayout();
}

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