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 setListViewHeightBasedOnChildren(ListView listView) {
    if (listView == null)
        return;//from   w  ww. j a v  a 2 s  .  c  o m
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition
        return;
    }
    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);
}

---

From source file:Main.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition  
        return;/*from  ww  w  .j a v a2 s.  com*/
    }

    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);
}

---

From source file:Main.java

/**
 * get AbsListView height according to every children
 * /*w  w  w .  j  a  va  2 s.c o m*/
 * @param view
 * @return
 */
public static int getAbsListViewHeightBasedOnChildren(AbsListView view) {
    ListAdapter adapter;
    if (view == null || (adapter = view.getAdapter()) == null) {
        return 0;
    }

    int height = 0;
    for (int i = 0; i < adapter.getCount(); i++) {
        View item = adapter.getView(i, null, view);
        if (item instanceof ViewGroup) {
            item.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
        }
        item.measure(0, 0);
        height += item.getMeasuredHeight();
    }
    height += view.getPaddingTop() + view.getPaddingBottom();
    return height;
}

---

From source file:Main.java

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

    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);
    if (listView.isInLayout() == false) {
        listView.requestLayout();
    }
}

---

From source file:Main.java

public static int getAbsListViewHeight(AbsListView absListView, int lineNumber, int verticalSpace) {
    int totalHeight = 0;
    int w = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
    int h = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
    absListView.measure(w, h);//from   w w  w  . j  ava  2s.c o  m
    ListAdapter mListAdapter = absListView.getAdapter();
    if (mListAdapter == null) {
        return totalHeight;
    }

    int count = mListAdapter.getCount();
    if (absListView instanceof ListView) {
        for (int i = 0; i < count; i++) {
            View listItem = mListAdapter.getView(i, null, absListView);
            listItem.measure(w, h);
            totalHeight += listItem.getMeasuredHeight();
        }
        if (count == 0) {
            totalHeight = verticalSpace;
        } else {
            totalHeight = totalHeight + (((ListView) absListView).getDividerHeight() * (count - 1));
        }

    } else if (absListView instanceof GridView) {
        int remain = count % lineNumber;
        if (remain > 0) {
            remain = 1;
        }
        if (mListAdapter.getCount() == 0) {
            totalHeight = verticalSpace;
        } else {
            View listItem = mListAdapter.getView(0, null, absListView);
            listItem.measure(w, h);
            int line = count / lineNumber + remain;
            totalHeight = line * listItem.getMeasuredHeight() + (line - 1) * verticalSpace;
        }

    }
    return totalHeight;

}

---

From source file:Main.java

/**
 * Set the ListView height based on the number of rows and their height
 * <p/>//  w w  w. j a va2 s  .co  m
 * Height for ListView needs to be set if used as a child of another ListView.
 * The child ListView will not display any scrollbars so the height needs to be
 * set so that all the rows are visible
 *
 * @param listView    the list view
 * @param extraHeight extra bottom padding
 */
@SuppressWarnings("SameParameterValue")
public static void setListViewHeightBasedOnChildren(ListView listView, int extraHeight) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition
        return;
    }

    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 = extraHeight + totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
    listView.setLayoutParams(params);
}

---

From source file:Main.java

public static int getAbsListViewHeight(AbsListView absListView, int lineNumber, int verticalSpace) {
    int totalHeight = 0;
    int w = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    int h = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    absListView.measure(w, h);/* w  w  w. j  a va  2  s.c o m*/
    ListAdapter mListAdapter = absListView.getAdapter();
    if (mListAdapter == null) {
        return totalHeight;
    }

    int count = mListAdapter.getCount();
    if (absListView instanceof ListView) {
        for (int i = 0; i < count; i++) {
            View listItem = mListAdapter.getView(i, null, absListView);
            listItem.measure(w, h);
            totalHeight += listItem.getMeasuredHeight();
        }
        if (count == 0) {
            totalHeight = verticalSpace;
        } else {
            totalHeight = totalHeight + (((ListView) absListView).getDividerHeight() * (count - 1));
        }

    } else if (absListView instanceof GridView) {
        int remain = count % lineNumber;
        if (remain > 0) {
            remain = 1;
        }
        if (mListAdapter.getCount() == 0) {
            totalHeight = verticalSpace;
        } else {
            View listItem = mListAdapter.getView(0, null, absListView);
            listItem.measure(w, h);
            int line = count / lineNumber + remain;
            totalHeight = line * listItem.getMeasuredHeight() + (line - 1) * verticalSpace;
        }

    }
    return totalHeight;

}

---

From source file:Main.java

public static void setAbsListViewHeight(AbsListView absListView, int lineNumber, int verticalSpace) {

    if (lineNumber == 0) {
        return;//from  w w  w .jav a  2s .  c  o  m
    }
    int w = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
    int h = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
    ListAdapter mListAdapter = absListView.getAdapter();
    if (mListAdapter == null) {
        return;
    }
    int totalHeight = 0;
    int count = mListAdapter.getCount();
    ViewGroup.LayoutParams params = absListView.getLayoutParams();
    if (absListView instanceof ListView) {
        for (int i = 0; i < count; i++) {
            View listItem = mListAdapter.getView(i, null, absListView);
            listItem.measure(w, h);
            totalHeight += listItem.getMeasuredHeight();
        }
        if (count == 0) {
            params.height = verticalSpace;
        } else {
            params.height = totalHeight + (((ListView) absListView).getDividerHeight() * (count - 1));
        }

    } else if (absListView instanceof GridView) {
        int remain = count % lineNumber;
        if (remain > 0) {
            remain = 1;
        }
        if (mListAdapter.getCount() == 0) {
            params.height = verticalSpace;
        } else {
            View listItem = mListAdapter.getView(0, null, absListView);
            listItem.measure(w, h);
            int line = count / lineNumber + remain;
            params.height = line * listItem.getMeasuredHeight() + (line + 1) * verticalSpace;
        }

    }

    ((MarginLayoutParams) params).setMargins(0, 0, 0, 0);
    absListView.setLayoutParams(params);

}

---

From source file:Main.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition
        return;//from   www  .j av  a2s .  co 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 LayoutParams(LayoutParams.WRAP_CONTENT, 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);
}

---

From source file:Main.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition
        return;//from ww  w.j a  v a 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 LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
                    LinearLayout.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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