In this example we are going to place a Checkbox inside the ListView row along with some Text
Source for Activity - ListViewCheckboxesActivity.java
public class ListViewCheckboxesActivity extends Activity { MyCustomAdapter dataAdapter = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //Generate list View from ArrayList displayListView(); checkButtonClick(); } private void displayListView() { //Array list of countries ArrayList<Country> countryList = new ArrayList<Country>(); Country country = new Country("AFG","Afghanistan",false); countryList.add(country); country = new Country("ALB","Albania",true); countryList.add(country); country = new Country("DZA","Algeria",false); countryList.add(country); country = new Country("ASM","American Samoa",true); countryList.add(country); country = new Country("AND","Andorra",true); countryList.add(country); country = new Country("AGO","Angola",false); countryList.add(country); country = new Country("AIA","Anguilla",false); countryList.add(country); //create an ArrayAdaptar from the String Array dataAdapter = new MyCustomAdapter(this, R.layout.country_info, countryList); ListView listView = (ListView) findViewById(R.id.listView1); // Assign adapter to ListView listView.setAdapter(dataAdapter); listView.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // When clicked, show a toast with the TextView text Country country = (Country) parent.getItemAtPosition(position); Toast.makeText(getApplicationContext(), "Clicked on Row: " + country.getName(), Toast.LENGTH_LONG).show(); } }); } private class MyCustomAdapter extends ArrayAdapter<Country> { private ArrayList<Country> countryList; public MyCustomAdapter(Context context, int textViewResourceId, ArrayList<Country> countryList) { super(context, textViewResourceId, countryList); this.countryList = new ArrayList<Country>(); this.countryList.addAll(countryList); } private class ViewHolder { TextView code; CheckBox name; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder = null; Log.v("ConvertView", String.valueOf(position)); if (convertView == null) { LayoutInflater vi = (LayoutInflater)getSystemService( Context.LAYOUT_INFLATER_SERVICE); convertView = vi.inflate(R.layout.country_info, null); holder = new ViewHolder(); holder.code = (TextView) convertView.findViewById(R.id.code); holder.name = (CheckBox) convertView.findViewById(R.id.checkBox1); convertView.setTag(holder); holder.name.setOnClickListener( new View.OnClickListener() { public void onClick(View v) { CheckBox cb = (CheckBox) v ; Country country = (Country) cb.getTag(); Toast.makeText(getApplicationContext(), "Clicked on Checkbox: " + cb.getText() + " is " + cb.isChecked(), Toast.LENGTH_LONG).show(); country.setSelected(cb.isChecked()); } }); } else { holder = (ViewHolder) convertView.getTag(); } Country country = countryList.get(position); holder.code.setText(" (" + country.getCode() + ")"); holder.name.setText(country.getName()); holder.name.setChecked(country.isSelected()); holder.name.setTag(country); return convertView; } } private void checkButtonClick() { Button myButton = (Button) findViewById(R.id.findSelected); myButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { StringBuffer responseText = new StringBuffer(); responseText.append("The following were selected...\n"); ArrayList<Country> countryList = dataAdapter.countryList; for(int i=0;i<countryList.size();i++){ Country country = countryList.get(i); if(country.isSelected()){ responseText.append("\n" + country.getName()); } } Toast.makeText(getApplicationContext(), responseText, Toast.LENGTH_LONG).show(); } }); }}
Source for POJO - Country.java
public class Country {
String code = null;
String name = null;
boolean selected = false;
public Country(String code, String name, boolean selected) {
super();
this.code = code;
this.name = name;
this.selected = selected;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public boolean isSelected() {
return selected;
}
public void setSelected(boolean selected) {
this.selected = selected;
}
}
Source for Main Screen Layout - main.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="vertical" >
<TextView android:layout_width="fill_parent"
android:layout_height="wrap_content" android:padding="10dp"
android:text="Some North American Countries" android:textSize="20sp" />
<Button
android:id="@+id/findSelected"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Find countries that are Selected" />
<ListView android:id="@+id/listView1" android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
Source for Custom List Layout - country_info.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="6dip" >
<CheckBox
android:id="@+id/checkBox1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:focusable="false"
android:focusableInTouchMode="false"
android:text="CheckBox" />
<TextView
android:id="@+id/code"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/checkBox1"
android:layout_alignBottom="@+id/checkBox1"
android:layout_toRightOf="@+id/checkBox1"
android:text="TextView" />
</RelativeLayout>
The full Source code you can download here
