Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.content.Context;
import android.graphics.Point;

import android.view.Display;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.ListAdapter;
import android.widget.ListView;

public class Main {
    public static void getListViewSize(ListView listView, Context context) {
        ListAdapter listAdapter = listView.getAdapter();
        if (listAdapter == null || listAdapter.getCount() < 2) {
            // pre-condition
            return;
        }

        WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        Display display = wm.getDefaultDisplay();
        Point size = new Point();
        display.getSize(size);
        int totalHeight = 0;
        int widthMeasureSpec = View.MeasureSpec.makeMeasureSpec(size.x, View.MeasureSpec.AT_MOST);
        int heightMeasureSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
        ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                ViewGroup.LayoutParams.WRAP_CONTENT);

        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, listItem.getHeight());
            totalHeight += listItem.getMeasuredHeight();
        }

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