小编Ash*_*oor的帖子

代码示例：

package tech.kapoor.listviewdemo

import android.content.Context
import android.graphics.Color
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.view.ViewGroup
import android.widget.BaseAdapter
import android.widget.ListView
import android.widget.TextView
import android.widget.AdapterView


class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val listView = findViewById<ListView>(R.id.main_listview)
        var redColor = Color.parseColor("#FF0000")

        listView.setBackgroundColor(redColor)
        listView.adapter = CustomAdapter(this)
    }

    private class CustomAdapter(context: Context): BaseAdapter() {

        private val mContext: Context

        init {
            mContext = context
        }

        override fun getCount(): Int {
            return 80
        }

        override fun getItemId(position: Int): Long {
            return position.toLong() …