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- Create new project named "ListviewWithCheckbox".
- add following code in activity_main.xml file.
activity_main.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:background="#ffeeeeee"
android:gravity="center"
android:orientation="vertical" >
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="10dp"
android:text="Country Codes"
android:textSize="20sp" />
<Button
android:id="@+id/findSelected"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Get Selected Items" />
<ListView
android:id="@+id/listView1"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
- Add below code in MainActivity.java file.
MainActivity.java
public class MainActivity extends Activity {
MyCustomAdapter dataAdapter = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Generate list View from ArrayList
displayListView();
checkButtonClick();
}
private void displayListView() {
// Array list of countries
ArrayList<States> stateList = new ArrayList<States>();
States _states = new States("91", "India", false);
stateList.add(_states);
_states = new States("61", "Australia", true);
stateList.add(_states);
_states = new States("55", "Brazil", false);
stateList.add(_states);
_states = new States("86", "China", true);
stateList.add(_states);
_states = new States("49", "Germany", true);
stateList.add(_states);
_states = new States("36", "Hungary", false);
stateList.add(_states);
_states = new States("39", "Italy", false);
stateList.add(_states);
_states = new States("1", "US", false);
stateList.add(_states);
_states = new States("44", "UK", false);
stateList.add(_states);
// create an ArrayAdaptar from the String Array
dataAdapter = new MyCustomAdapter(this, R.layout.state_info, stateList);
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
States state = (States) parent.getItemAtPosition(position);
Toast.makeText(getApplicationContext(),
"Clicked on : " + state.getName(), Toast.LENGTH_LONG)
.show();
}
});
}
private class MyCustomAdapter extends ArrayAdapter<States> {
private ArrayList<States> stateList;
public MyCustomAdapter(Context context, int textViewResourceId,
ArrayList<States> stateList) {
super(context, textViewResourceId, stateList);
this.stateList = new ArrayList<States>();
this.stateList.addAll(stateList);
}
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.state_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;
States _state = (States) cb.getTag();
Toast.makeText(
getApplicationContext(),
"Checkbox: " + cb.getText() + " -> "
+ cb.isChecked(), Toast.LENGTH_LONG)
.show();
_state.setSelected(cb.isChecked());
}
});
} else {
holder = (ViewHolder) convertView.getTag();
}
States state = stateList.get(position);
holder.code.setText(" (" + state.getCode() + ")");
holder.name.setText(state.getName());
holder.name.setChecked(state.isSelected());
holder.name.setTag(state);
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("Selected Countries are...\n");
ArrayList<States> stateList = dataAdapter.stateList;
for (int i = 0; i < stateList.size(); i++) {
States state = stateList.get(i);
if (state.isSelected()) {
responseText.append("\n" + state.getName());
}
}
Toast.makeText(getApplicationContext(), responseText,
Toast.LENGTH_LONG).show();
}
});
}
}
- Create new POJO java class,Which is used for getters and setters methods.Named it States.java.
States.java
public class States {
String code = null;
String name = null;
boolean selected = false;
public States(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;
}
}
- Create new XML layout file, which is used to integrate CheckBox and TextView in ListView.Named it state_info.xml.
state_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"
android:textColor="#B40404" />
<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"
android:textColor="#ff000000" />
</RelativeLayout>
- Done ! Now run the project.
