set AbsListView Height Based On Children - Android User Interface

Android examples for User Interface:ListView

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Description

set AbsListView Height Based On Children

Demo Code


//package com.java2s;

import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;

import android.widget.ListAdapter;

public class Main {

    public static void setAbsListViewHeightBasedOnChildren(AbsListView view) {
        setViewHeight(view, getAbsListViewHeightBasedOnChildren(view));
    }//ww w  .j a  va2s.  com

    public static void setViewHeight(View view, int height) {
        if (view == null) {
            return;
        }

        ViewGroup.LayoutParams params = view.getLayoutParams();
        params.height = height;
    }

    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 ViewGroup.LayoutParams(
                        ViewGroup.LayoutParams.WRAP_CONTENT,
                        ViewGroup.LayoutParams.WRAP_CONTENT));
            }
            item.measure(0, 0);
            height += item.getMeasuredHeight();
        }
        height += view.getPaddingTop() + view.getPaddingBottom();
        return height;
    }
}

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