Question Detail

activity_main.xml

Below is the main layout file which contains the listview.

<RelativeLayout 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"

tools:context=".MainActivity" >

<ListView

android:id="@+id/listView_ID"

android:layout_width="match_parent"

android:layout_height="match_parent"/>

</RelativeLayout>

 

MainActivity.java

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.widget.ListView;

 

public class MainActivity extends Activity {

String names[] = {"red", "green", "blue", "yellow", "pink", "brown"};

Integer image[] = {R.drawable.ic_dot_red, R.drawable.ic_dot_green, R.drawable.ic_dot_blue, R.drawable.ic_dot_yellow, R.drawable.ic_dot_pink, R.drawable.ic_dot_brown};

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

CustomListViewAdapter adapter = new CustomListViewAdapter(this, image, names);

ListView listView = (ListView) findViewById(R.id.listView_ID);

listView.setAdapter(adapter);

}

class CustomListViewAdapter extends ArrayAdapter<String>{

String[] _names ;

Integer[] _image ;

Context context;

public CustomListViewAdapter (Activity context,Integer[] image_id, String[] text){

super(context, R.layout.list_row, text);

this._names = text;

this._image = image_id;

this.context = context;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

 

LayoutInflater inflater = (LayoutInflater) context

.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

View inflateView= inflater.inflate(R.layout.list_row, null,true);

TextView textView = (TextView) inflateView.findViewById(R.id.textView);

ImageView imageView = (ImageView) inflateView.findViewById(R.id.imageView);

textView.setText(_names[position]);

imageView.setImageResource(_image[position]);

return inflateView;

}

}

}