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 setListViewHeight(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition
        return;//from  w w  w  .j a v  a2 s .  c  o  m
    }

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

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition
        return;/*w  w  w . jav a2  s  .  c  om*/
    }

    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:Main.java

public static void setListViewHeightBasedOnChildren1(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        return;//from w w w . j  a  v  a2 s  . co 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:Main.java

/**
 * * 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  ***
 *///w ww  .j  av a 2  s . c  o  m
public static void setListViewHeightBasedOnChildren(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, 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:Main.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null)
        return;/*from ww  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();

    listView.setOnTouchListener(new View.OnTouchListener() {
        // Setting on Touch Listener for handling the touch inside ScrollView
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            if (event.getAction() == MotionEvent.ACTION_MOVE) {
                return true; // Indicates that this has been handled by you and will not be forwarded further.
            }
            return false;
        }
    });
}

---

From source file:Main.java

public static void setDynamicHeight(ListView mListView) {
    ListAdapter mListAdapter = mListView.getAdapter();
    if (mListAdapter == null) {
        // when adapter is null
        return;/*from   www. ja v a 2  s  . c o m*/
    }
    int height = 0;
    int desiredWidth = View.MeasureSpec.makeMeasureSpec(mListView.getWidth(), View.MeasureSpec.UNSPECIFIED);
    for (int i = 0; i < mListAdapter.getCount(); i++) {
        View listItem = mListAdapter.getView(i, null, mListView);
        listItem.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED);
        height += listItem.getMeasuredHeight();
    }
    ViewGroup.LayoutParams params = mListView.getLayoutParams();
    params.height = height + (mListView.getDividerHeight() * (mListAdapter.getCount() - 1));
    mListView.setLayoutParams(params);
    mListView.requestLayout();
}

---

From source file:com.bobomee.android.common.util.ScreenUtil.java

/**
 * http://stackoverflow.com/questions/12742343/android-get-screenshot-of-all-listview-items
 *//*from www.  j a v  a 2 s .  c o m*/
public static Bitmap shotListView(ListView listview) {

    ListAdapter adapter = listview.getAdapter();
    int itemscount = adapter.getCount();
    int allitemsheight = 0;
    List<Bitmap> bmps = new ArrayList<Bitmap>();

    for (int i = 0; i < itemscount; i++) {

        View childView = adapter.getView(i, null, listview);
        childView.measure(View.MeasureSpec.makeMeasureSpec(listview.getWidth(), View.MeasureSpec.EXACTLY),
                View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));

        childView.layout(0, 0, childView.getMeasuredWidth(), childView.getMeasuredHeight());
        childView.setDrawingCacheEnabled(true);
        childView.buildDrawingCache();
        bmps.add(childView.getDrawingCache());
        allitemsheight += childView.getMeasuredHeight();
    }

    Bitmap bigbitmap = Bitmap.createBitmap(listview.getMeasuredWidth(), allitemsheight,
            Bitmap.Config.ARGB_8888);
    Canvas bigcanvas = new Canvas(bigbitmap);

    Paint paint = new Paint();
    int iHeight = 0;

    for (int i = 0; i < bmps.size(); i++) {
        Bitmap bmp = bmps.get(i);
        bigcanvas.drawBitmap(bmp, 0, iHeight, paint);
        iHeight += bmp.getHeight();

        bmp.recycle();
        bmp = null;
    }

    return bigbitmap;
}

---

From source file:com.aniruddhc.acemusic.player.Drawers.NavigationDrawerFragment.java

/**
 * Clips ListViews to fit within the drawer's boundaries.
 *//*from w w w . j a  v  a 2s .com*/
public static void setListViewHeightBasedOnChildren(ListView listView) {
    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);
    listView.requestLayout();
}

---

From source file:Main.java

public static void setListViewSize(ListView list) {
    ListAdapter myListAdapter = list.getAdapter();
    if (myListAdapter == null) {
        //do nothing return null
        return;//  w w w  .  jav a2s . c  o  m
    }

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

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

---

From source file:com.google.cast.samples.games.gamedebugger.DebuggerFragment.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        return;/* w w  w  . j a v a2s  . c o m*/
    }

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

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

---

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