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:Main.java

public static void setGridViewSize(GridView grid) {
    ListAdapter myListAdapter = grid.getAdapter();
    if (myListAdapter == null) {
        //do nothing return null
        return;//from   ww  w .  ja v  a 2s . c o m
    }

    //set listAdapter in loop for getting final size
    int desiredWidth = View.MeasureSpec.makeMeasureSpec(grid.getWidth() / grid.getNumColumns(),
            View.MeasureSpec.AT_MOST);
    int totalHeight = 0;
    View view = null;
    for (int i = 0; i < ((myListAdapter.getCount() / grid.getNumColumns())
            + myListAdapter.getCount() % grid.getNumColumns()); i++) {
        view = myListAdapter.getView(i, view, grid);
        if (i == 0) {
            view.setLayoutParams(new GridView.LayoutParams(desiredWidth, ViewGroup.LayoutParams.WRAP_CONTENT));
        }
        view.measure(desiredWidth, View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
        totalHeight += view.getMeasuredHeight();
    }

    //setting listview item in adapter
    ViewGroup.LayoutParams params = grid.getLayoutParams();
    params.height = totalHeight
            + (grid.getHorizontalSpacing() * (((myListAdapter.getCount() - 1) / grid.getNumColumns())
                    + (myListAdapter.getCount() % grid.getNumColumns())));
    grid.setLayoutParams(params);
}

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From source file:com.optimusinfo.elasticpath.cortex.common.Utils.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition
        return;//from  w ww  .j ava 2s  .  co m
    }

    int totalHeight = 0;
    for (int i = 0; i < listAdapter.getCount(); i++) {
        View listItem = listAdapter.getView(i, null, listView);
        listItem.measure(0, 0);
        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:android.support.v7.view.menu.MenuPopup.java

/**
 * Measures the width of the given menu view.
 *
 * @param view The view to measure.//from ww  w.  j  a v a 2 s.  c  o m
 * @return The width.
 */
protected static int measureIndividualMenuWidth(ListAdapter adapter, ViewGroup parent, Context context,
        int maxAllowedWidth) {
    // Menus don't tend to be long, so this is more sane than it looks.
    int maxWidth = 0;
    View itemView = null;
    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 (parent == null) {
            parent = new FrameLayout(context);
        }

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

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

    return maxWidth;
}

---

From source file:net.mEmoZz.PopMovies.frags.DetailFragment.java

/**
 * Got this form here:/*  w  w w  .ja va  2s  .c om*/
 * http://stackoverflow.com/a/19311197/4043944
 */
public static void fix(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null)
        return;
    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, 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);
}

---

From source file:rta.ae.sharekni.Display_My_Vehicles.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null)
        return;// w  ww .j  a v a  2  s  .  co m
    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, RadioGroup.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.jefftharris.passwdsafe.lib.view.GuiUtils.java

/**
 * Set the height of a ListView based on all of its children
 *///from   w  w w. ja v  a2  s  .  c o m
public static void setListViewHeightBasedOnChildren(final ListView listView) {
    final ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        return;
    }

    // Defer measurement so listview is rendered to get its width
    listView.post(new Runnable() {
        @Override
        public void run() {
            int width = View.MeasureSpec.makeMeasureSpec(listView.getMeasuredWidth(), View.MeasureSpec.AT_MOST);
            int height = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
            int totalHeight = 0;
            int numItems = listAdapter.getCount();
            for (int i = 0; i < numItems; i++) {
                View listItem = listAdapter.getView(i, null, listView);
                listItem.measure(width, height);
                totalHeight += listItem.getMeasuredHeight();
            }

            ViewGroup.LayoutParams params = listView.getLayoutParams();
            params.height = totalHeight;
            if (numItems > 0) {
                params.height += listView.getDividerHeight() * (numItems - 1);
            }
            listView.setLayoutParams(params);
        }
    });
}

---

From source file:com.kiwiteam.nomiddleman.LargeGroupActivity.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null)
        return;/*  w ww .  j a  va  2s  .  c  om*/

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

---

From source file:com.nps.micro.view.TestsSectionFragment.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition
        return;//from  ww w .  ja v  a 2  s  .  c  om
    }

    int totalHeight = 1;
    for (int i = 0; i < listAdapter.getCount(); i++) {
        View listItem = listAdapter.getView(i, null, listView);
        listItem.measure(0, 0);
        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.cerema.cloud2.ui.fragment.ShareFileFragment.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        return;//from  w  w w  . j  a v  a 2 s.c  o  m
    }
    int desiredWidth = View.MeasureSpec.makeMeasureSpec(listView.getWidth(), View.MeasureSpec.AT_MOST);
    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.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  w  w .  j a v a2  s .c om
    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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