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How to add EditText in listview and get its value dynamically in all the rows?

I have Checkbox and EditText and a Textview in a listView. It gets value for the text view from a list. Checkbox will be checked dynamically. In the same way EditText also can be entered dynamically. Now my problem is, When i scroll the list view (up and down) after entering the text in the Edit text, I could not get the typed value. I check the check box also like that. But using the position, I set it correct. I Could not know How to set the EditText value to the list properly. Please help me. Here is my code:

main.xml: (Main xml for launch)

<?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" >

<ListView
android:id="@+id/my_list"
android:layout_width="fill_parent"
android:layout_height="250px" />
<Button 
android:text="Save" 
android:id="@+id/btnSave" 
android:layout_width="wrap_content" 
android:layout_height="wrap_content"/>

</LinearLayout>

row.xml: (ListView Row)

<?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="wrap_content"
android:orientation="horizontal" >

<TextView
android:id="@+id/label"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@+id/label"
android:textSize="30sp"/>

<CheckBox
android:id="@+id/check"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<EditText 
android:text=""
android:id="@+id/txtAddress"
android:layout_width="150px"
android:layout_height="wrap_content"/>
</LinearLayout>

Model.Java: (It is the POJO class)

package com.checkboxlistview;

public class Model {

private String name;
private boolean selected;
private String address;

public String getAddress() {
    return address;
}

public void setAddress(String address) {
    this.address = address;
}

public void setName(String name) {
    this.name = name;
}

public Model(String name) {
    this.name = name;
}

public String getName() {
    return name;
}

public boolean isSelected() {
    return selected;
}

public void setSelected(boolean selected) {
    this.selected = selected;
}

}

MyAdapter.Java: (This is used to Hold the view in the list view using the converter and holder)

package com.checkboxlistview;

import java.util.List;
import android.app.Activity;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.TextView;

public class MyAdapter extends ArrayAdapter<Model> implements TextWatcher {

private final List<Model> list;
private final Activity context;
int listPosititon;

public MyAdapter(Activity context, List<Model> list) {
    super(context, R.layout.row, list);
    this.context = context;
    this.list = list;
}

static class ViewHolder {
    protected TextView text;
    protected CheckBox checkbox;
    protected EditText address;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    listPosititon = position;
    ViewHolder viewHolder = null;
    if (convertView == null) {
        LayoutInflater inflator = context.getLayoutInflater();
        convertView = inflator.inflate(R.layout.row, null);
        viewHolder = new ViewHolder();
        viewHolder.text = (TextView) convertView.findViewById(R.id.label);
        viewHolder.checkbox = (CheckBox) convertView
                .findViewById(R.id.check);
        viewHolder.address = (EditText) convertView
                .findViewById(R.id.txtAddress);
        viewHolder.checkbox
                .setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {

@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
int getPosition = (Integer) buttonView.getTag(); 
//Here we get the position that we have  set for the checkbox using setTag.
list.get(getPosition).setSelected(
buttonView.isChecked()); 
// Set the value of checkbox to maintain its state.
}
});
        viewHolder.address.addTextChangedListener(this);

        convertView.setTag(viewHolder);
        convertView.setTag(R.id.label, viewHolder.text);
        convertView.setTag(R.id.check, viewHolder.checkbox);
        convertView.setTag(R.id.txtAddress, viewHolder.address);
    } else {
        viewHolder = (ViewHolder) convertView.getTag();
    }
    viewHolder.checkbox.setTag(position); // This line is important.

    viewHolder.text.setText(list.get(position).getName());
    viewHolder.checkbox.setChecked(list.get(position).isSelected());
    if (list.get(position).getAddress() != null) {
        viewHolder.address.setText(list.get(position).getAddress() + "");
    } else {
        viewHolder.address.setText("");
    }

    return convertView;
}

@Override
public void afterTextChanged(Editable s) {
    list.get(listPosititon).setAddress(s.toString());
}

@Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
        int arg3) {
    // TODO Auto-generated method stub

}

@Override
public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
    // TODO Auto-generated method stub

}
}

MainActivity.java (This is the activity):

package com.checkboxlistview;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends Activity { 
 ListView listView;
 Button btnSave;
    ArrayAdapter<Model> adapter;
    List<Model> list = new ArrayList<Model>();

    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.main);

        listView = (ListView) findViewById(R.id.my_list);
        btnSave = (Button)findViewById(R.id.btnSave);
        adapter = new MyAdapter(this,getModel());
        listView.setAdapter(adapter);
        btnSave.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

                for (int i = 0; i < list.size(); i++) {
                    Toast.makeText(getBaseContext(), "Name : "+list.get(i).getName() +" Selected: "+list.get(i).isSelected(), Toast.LENGTH_SHORT).show();

                }
            }
        });
    }


    private List<Model> getModel() {
        list.add(new Model("Linux"));
        list.add(new Model("Windows7"));
        list.add(new Model("Suse"));
        list.add(new Model("Eclipse"));
        list.add(new Model("Ubuntu"));
        list.add(new Model("Solaris"));
        list.add(new Model("Android"));
        list.add(new Model("iPhone"));
        list.add(new Model("Java"));
        list.add(new Model(".Net"));
        list.add(new Model("PHP"));
        return list;
    }
}

There is no error in the code. It runs well. I could maintain the checkbox position and display at the same position even I scroll up and down. But I could not get and set the EditText value properly. Please Help me out. Thanks in advance.

like image 541
Mathew Avatar asked Jun 07 '12 10:06

Mathew


1 Answers

you can achieve this using the custom list view.

find the example of listview with edittext is here

like image 136
Munish Kapoor Avatar answered Oct 01 '22 11:10

Munish Kapoor