This example create ListView using custom adapter for custom object.
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| Create custom ListView of custom object |
package com.example.androidcustomlistview;
import java.util.ArrayList;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.app.Activity;
import android.content.Context;
public class MainActivity extends Activity {
private class MyObject{
private int number;
private String name;
MyObject(int num, String nam){
number = num;
name = nam;
}
public int getNumber(){
return number;
}
public String getName(){
return name;
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListView listView = (ListView)findViewById(R.id.listview);
//Init ArrayList of MyObject
ArrayList<MyObject> myArrayList = new ArrayList<MyObject>();
myArrayList.add(new MyObject(0, "Sunday"));
myArrayList.add(new MyObject(1, "Monday"));
myArrayList.add(new MyObject(2, "Tuesday"));
myArrayList.add(new MyObject(3, "Wednesday"));
myArrayList.add(new MyObject(4, "Thursday"));
myArrayList.add(new MyObject(5, "Friday"));
myArrayList.add(new MyObject(6, "Saturday"));
MyAdapter myAdapter = new MyAdapter(this, myArrayList);
listView.setAdapter(myAdapter);
}
private class MyAdapter extends BaseAdapter {
private ArrayList<MyObject> myList;
private Activity parentActivity;
private LayoutInflater inflater;
public MyAdapter(Activity parent, ArrayList<MyObject> l) {
parentActivity = parent;
myList=l;
inflater = (LayoutInflater)parentActivity
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return myList.size();
}
@Override
public Object getItem(int position) {
return myList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView (int position, View convertView,
ViewGroup parent) {
View view = convertView;
if(convertView==null)
view = inflater.inflate(R.layout.row, null);
TextView text1 = (TextView)view.findViewById(R.id.text1);
TextView text2 = (TextView)view.findViewById(R.id.text2);
MyObject myObj = myList.get(position);
text1.setText(String.valueOf(myObj.getNumber()));
text2.setText(myObj.getName());
return view;
}
}
}
row.xml, define the layout of individual row in the list.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:orientation="vertical"
tools:context=".MainActivity" >
<TextView
android:id="@+id/text1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<TextView
android:id="@+id/text2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textStyle="bold"/>
</LinearLayout>
Main layout
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:orientation="vertical"
tools:context=".MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="android-coding.blogspot.com" />
<ListView
android:id="@+id/listview"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
Next:
Implement OnItemClickListener for custom ListView
