Custom ListView items and adapters extends Activity 2

July 14, 2012   ·   0 Comments

Screen Shot 2012-07-14 at 2.36.08 AM

row.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="horizontal">

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@android:drawable/btn_plus" />
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical">
    <TextView
        android:id="@+id/TextView01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TextView" />

    <TextView
        android:id="@+id/TextView02"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TextView" />
    

</LinearLayout>
</LinearLayout>

main.xml

<?xml version="1.0" encoding="utf-8"?>
 <!--main.xml-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#000000"
>
     <TextView
        android:text="Countries List"
        android:textColor="#b3000d"
        android:gravity="center_vertical|center_horizontal"
        android:textSize="26dip"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:textStyle="bold"
        android:background="#aab0ff"
        android:layout_marginBottom="5dip"
        android:typeface="sans"/>
<RelativeLayout
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:background="#570000">
    <TextView android:id="@+id/tv_1"
        android:textColor="#FFFFFF"
        android:gravity="center_vertical|left"
        android:textSize="16dip"
        android:layout_height="wrap_content"
        android:textStyle="bold"
        android:typeface="serif"
        android:layout_width="70dip"
        android:paddingLeft="20dip"
        android:text="Abbr">
    </TextView>
    <TextView android:id="@+id/tv_2"
        android:textColor="#FFFFFF"
        android:gravity="center_vertical|left"
        android:textSize="16dip"
        android:layout_height="wrap_content"
        android:textStyle="bold"
        android:typeface="serif"
        android:layout_width="200dip"
        android:layout_toRightOf="@+id/tv_1"
        android:text="Countries">
    </TextView>

</RelativeLayout>
<ListView
    android:id="@+id/lv_country"
    android:layout_height="wrap_content"
    android:layout_width="fill_parent"
    android:cacheColorHint="#00000000">
</ListView>
 </LinearLayout>

CountriesList.java

package com.powenko.Tutorial_ListView;

public class CountriesList {
public static String[] countries = { "Afghanistan", "Albania Albania Albania AlbaniaAlbaniaAlbaniaAlbania Albania ", "Algeria",
        "American Samoa", "Andorra", "Angola", "Anguilla", "Antarctica",
        "Antigua and Barbuda", "Argentina", "Armenia", "Aruba",
        "Australia", "Austria", "Azerbaijan", "Bahamas", "Bahrain",
        "Bangladesh", "Barbados", "Belarus", "Belgium", "Belize", "Benin",
        "Bermuda", "Bhutan", "Bolivia", "Bosnia and Herzegovina",
        "Botswana", "Bouvet Island", "Brazil",
        "British Indian Ocean Territory", "Brunei Darussalam", "Bulgaria",
        "Burkina Faso", "Burundi", "Cambodia", "Cameroon", "Canada",
        "Cape Verde", "Cayman Islands", "Central African Republic", "Chad",
        "Chile", "China", "Christmas Island", "Cocos (Keeling) Islands",
        "Colombia", "Comoros", "Congo",
        "Congo, the Democratic Republic of the", "Cook Islands",
        "Costa Rica", "Cote D'Ivoire", "Croatia", "Cuba", "Cyprus",
        "Czech Republic", "Denmark", "Djibouti", "Dominica",
        "Dominican Republic", "Ecuador", "Egypt", "El Salvador",
        "Equatorial Guinea", "Eritrea", "Estonia", "Ethiopia",
        "Falkland Islands (Malvinas)", "Faroe Islands", "Fiji", "Finland",
        "France", "French Guiana", "French Polynesia",
        "French Southern Territories", "Gabon", "Gambia", "Georgia",
        "Germany", "Ghana", "Gibraltar", "Greece", "Greenland", "Grenada",
        "Guadeloupe", "Guam", "Guatemala", "Guinea", "Guinea-Bissau",
        "Guyana", "Haiti", "Heard Island and Mcdonald Islands",
        "Holy See (Vatican City State)", "Honduras", "Hong Kong",
        "Hungary", "Iceland", "India", "Indonesia",
        "Iran, Islamic Republic of", "Iraq", "Ireland", "Israel", "Italy",
        "Jamaica", "Japan", "Jordan", "Kazakhstan", "Kenya", "Kiribati",
        "Korea, Democratic People's Republic of", "Korea, Republic of",
        "Kuwait", "Kyrgyzstan", "Lao People's Democratic Republic",
        "Latvia", "Lebanon", "Lesotho", "Liberia",
        "Libyan Arab Jamahiriya", "Liechtenstein", "Lithuania",
        "Luxembourg", "Macao",
        "Macedonia, the Former Yugoslav Republic of", "Madagascar",
        "Malawi", "Malaysia", "Maldives", "Mali", "Malta",
        "Marshall Islands", "Martinique", "Mauritania", "Mauritius",
        "Mayotte", "Mexico", "Micronesia, Federated States of",
        "Moldova, Republic of", "Monaco", "Mongolia", "Montserrat",
        "Morocco", "Mozambique", "Myanmar", "Namibia", "Nauru", "Nepal",
        "Netherlands", "Netherlands Antilles", "New Caledonia",
        "New Zealand", "Nicaragua", "Niger", "Nigeria", "Niue",
        "Norfolk Island", "Northern Mariana Islands", "Norway", "Oman",
        "Pakistan", "Palau", "Palestinian Territory, Occupied", "Panama",
        "Papua New Guinea", "Paraguay", "Peru", "Philippines", "Pitcairn",
        "Poland", "Portugal", "Puerto Rico", "Qatar", "Reunion", "Romania",
        "Russian Federation", "Rwanda", "Saint Helena",
        "Saint Kitts and Nevis", "Saint Lucia",
        "Saint Pierre and Miquelon", "Saint Vincent and the Grenadines",
        "Samoa", "San Marino", "Sao Tome and Principe", "Saudi Arabia",
        "Senegal", "Serbia and Montenegro", "Seychelles", "Sierra Leone",
        "Singapore", "Slovakia", "Slovenia", "Solomon Islands", "Somalia",
        "South Africa", "South Georgia and the South Sandwich Islands",
        "Spain", "Sri Lanka", "Sudan", "Suriname",
        "Svalbard and Jan Mayen", "Swaziland", "Sweden", "Switzerland",
        "Syrian Arab Republic", "Taiwan, Province of China", "Tajikistan",
        "Tanzania, United Republic of", "Thailand", "Timor-Leste", "Togo",
        "Tokelau", "Tonga", "Trinidad and Tobago", "Tunisia", "Turkey",
        "Turkmenistan", "Turks and Caicos Islands", "Tuvalu", "Uganda",
        "Ukraine", "United Arab Emirates", "United Kingdom",
        "United States", "United States Minor Outlying Islands", "Uruguay",
        "Uzbekistan", "Vanuatu", "Venezuela", "Viet Nam",
        "Virgin Islands, British", "Virgin Islands, U.s.",
        "Wallis and Futuna", "Western Sahara", "Yemen", "Zambia",
        "Zimbabwe" };
public static String[] abbreviations = { "AF Western Sahara Western SaharaWestern Sahara Western SaharaWestern Sahara", "AL", "DZ", "AS", "AD", "AO", "AI", "AQ",
        "AG", "AR", "AM", "AW", "AU", "AT", "AZ", "BS", "BH", "BD", "BB",
        "BY", "BE", "BZ", "BJ", "BM", "BT", "BO", "BA", "BW", "BV", "BR",
        "IO", "BN", "BG", "BF", "BI", "KH", "CM", "CA", "CV", "KY", "CF",
        "TD", "CL", "CN", "CX", "CC", "CO", "KM", "CG", "CD", "CK", "CR",
        "CI", "HR", "CU", "CY", "CZ", "DK", "DJ", "DM", "DO", "EC", "EG",
        "SV", "GQ", "ER", "EE", "ET", "FK", "FO", "FJ", "FI", "FR", "GF",
        "PF", "TF", "GA", "GM", "GE", "DE", "GH", "GI", "GR", "GL", "GD",
        "GP", "GU", "GT", "GN", "GW", "GY", "HT", "HM", "VA", "HN", "HK",
        "HU", "IS", "IN", "ID", "IR", "IQ", "IE", "IL", "IT", "JM", "JP",
        "JO", "KZ", "KE", "KI", "KP", "KR", "KW", "KG", "LA", "LV", "LB",
        "LS", "LR", "LY", "LI", "LT", "LU", "MO", "MK", "MG", "MW", "MY",
        "MV", "ML", "MT", "MH", "MQ", "MR", "MU", "YT", "MX", "FM", "MD",
        "MC", "MN", "MS", "MA", "MZ", "MM", "NA", "NR", "NP", "NL", "AN",
        "NC", "NZ", "NI", "NE", "NG", "NU", "NF", "MP", "NO", "OM", "PK",
        "PW", "PS", "PA", "PG", "PY", "PE", "PH", "PN", "PL", "PT", "PR",
        "QA", "RE", "RO", "RU", "RW", "SH", "KN", "LC", "PM", "VC", "WS",
        "SM", "ST", "SA", "SN", "CS", "SC", "SL", "SG", "SK", "SI", "SB",
        "SO", "ZA", "GS", "ES", "LK", "SD", "SR", "SJ", "SZ", "SE", "CH",
        "SY", "TW", "TJ", "TZ", "TH", "TL", "TG", "TK", "TO", "TT", "TN",
        "TR", "TM", "TC", "TV", "UG", "UA", "AE", "GB", "US", "UM", "UY",
        "UZ", "VU", "VE", "VN", "VG", "VI", "WF", "EH", "YE", "ZM", "ZW" };
 }

EfficientAdapter.java

package com.powenko.Tutorial_ListView;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

class EfficientAdapter extends BaseAdapter {
    private LayoutInflater mInflater;

    public EfficientAdapter(Context context) {
        mInflater = LayoutInflater.from(context);
    }

    public int getCount() {
        return CountriesList.abbreviations.length;
    }

    public Object getItem(int position) {
        return position;
    }

    public long getItemId(int position) {
        return position;
    }

    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;
        if (convertView == null) {
            convertView = mInflater.inflate(R.layout.row, null);
            holder = new ViewHolder();
            holder.text1 = (TextView) convertView
                    .findViewById(R.id.TextView01);
            holder.text2 = (TextView) convertView
                    .findViewById(R.id.TextView02);

            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        holder.text1.setText(CountriesList.abbreviations[position]);
        holder.text2.setText(CountriesList.countries[position]);

        return convertView;
    }

    static class ViewHolder {
        TextView text1;
        TextView text2;
    }
}

Tutorial_ListViewActivity.java

package com.powenko.Tutorial_ListView;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.Toast;

public class Tutorial_ListViewActivity extends Activity {
	/** Called when the activity is first created. */
	ListView listView;
	public void onCreate(Bundle savedInstanceState) {
	    super.onCreate(savedInstanceState);
	    setContentView(R.layout.main);
	    listView = (ListView) findViewById(R.id.lv_country);
	    listView.setAdapter(new EfficientAdapter(this));

	            listView.setOnItemClickListener(        
	            new OnItemClickListener()
	            {
	                @Override
	                public void onItemClick(AdapterView<?> arg0, View view,int position, long arg3) {
	                    // TODO Auto-generated method stub
	                    Toast.makeText(getApplicationContext(),"You Selected Item "+Integer.toString(position), Toast.LENGTH_LONG).show();          
	                }       
	            }
	    );
	}
}
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