Thursday, 18 June 2015

Custom Listview in android-1

Posted by devraj chavda on 23:18 listview 1 comment

In this chapter we learn how to implement custom Listview in android.Listview is one of the most popular controls, It can be used in many different forms and can be customized to suitable of app requirement.In this tutorial, I will demonstrate you how you can bind a simple array of Strings with ListView.
May You Want To See Another Examples Of How To Create Simple Listview Part-1 and Part-2.
Customlistview with Different image Part-2.
In this example we set a same image for all list items.

Let's go for coding:

CREATE NEW ANDROID PROJECT

We need for this example:
1) activity_main.xml (...res/layout/ )
2) mylist.xml (...res/layout/ )
3) MainActivity.java

Step 1: Write code into activity_main.xml

This is a main activity where we put list view.

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<ListView
android:id="@+id/android:list"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />

</LinearLayout>

Step 2: Write code into mylist.xml
Created custom view for list view to show with image and text in list view.

<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/icon"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_marginBottom="4dp"
android:layout_marginLeft="4dp"
android:layout_marginRight="4dp"
android:layout_marginTop="4dp"
android:src="@drawable/ic_launcher" />

<TextView
android:id="@+id/Itemname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="4dp"
android:textSize="18sp" />

</LinearLayout>

Step 3: Write code into MainActivity.java

package dev.androidapplink.customlistviewapp;

import android.os.Bundle;
import android.app.ListActivity;
import android.widget.ArrayAdapter;

public class MainActivity extends ListActivity {

//define string for List item(s)
String[] itemname = { "Android", ".NET", "JAVA", "FireFox",
"SQlite", "Orecale", "xmp", "Database" };

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

//Bind custom list view by using ArrayAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.mylist,
R.id.Itemname, itemname));
}

}

Step 4: Now Run Your Project: