Sunday, 27 January 2013

CustomListView in Android.


activity_main.xml:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/LinearLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity" >

    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >
    </ListView>

</LinearLayout>

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

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Large Text"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Large Text"
        android:textAppearance="?android:attr/textAppearanceLarge" />

</LinearLayout>

MainActivity.java:
package com.ram.customlistview;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class MainActivity extends Activity {

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

ListView list = (ListView) findViewById(R.id.listView1);
    
CustomAdapter ca = new CustomAdapter();
list.setAdapter(ca);
}

class CustomAdapter extends BaseAdapter {

@Override
public int getCount() {
// TODO Auto-generated method stub
return names.length ;
}

@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}

@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
convertView = getLayoutInflater().inflate(R.layout.custom, null);
TextView t1 = (TextView)convertView.findViewById(R.id.textView1);
TextView t2 = (TextView)convertView.findViewById(R.id.textView2);
t1.setText(names[position]);
t2.setText(locations[position]);
return convertView;
}

}

String[] names = { "name1", "name2", "name3", "name4", "name5", "nam6",
"name7", "name8", "name9", "name10" };

String[] locations = { "location1", "location2", "location3", "location4",
"location5", "location6", "location7", "location8", "location9",
"location10" };
}