Example usage for android.widget GridView getVerticalSpacing

Introduction

In this page you can find the example usage for android.widget GridView getVerticalSpacing.

Prototype

public int getVerticalSpacing() 

Source Link

Document

Returns the amount of vertical spacing between each item in the grid.

Usage

From source file:Main.java

public static void getListViewSize(GridView myListView) {
    ListAdapter myListAdapter = myListView.getAdapter();
    if (myListAdapter == null) {
        //do nothing return null
        return;/*from   w  ww . j  a va 2 s . c  o  m*/
    }
    //set listAdapter in loop for getting final size
    int totalHeight = 0;
    int listval = myListAdapter.getCount();
    if (listval % 3 == 0) {
        listval = myListAdapter.getCount() / 3;
    } else {
        listval = myListAdapter.getCount() / 3 + 1;
    }
    for (int size = 0; size < listval; size++) {
        View listItem = myListAdapter.getView(size, null, myListView);
        listItem.measure(0, 0);
        totalHeight += listItem.getMeasuredHeight();
    }

    System.out.println("Height  " + totalHeight + "    " + myListAdapter.getCount());
    //setting listview item in adapter
    ViewGroup.LayoutParams params = myListView.getLayoutParams();
    params.height = totalHeight + ((myListView.getVerticalSpacing() / 3) * (myListAdapter.getCount() - 1));
    myListView.setLayoutParams(params);
    // print height of adapter on log
    Log.i("height of listItem:", String.valueOf(totalHeight));
}

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From source file:util.Utils.java

/**
 * gridview//from   w ww.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);
}

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