[source code] DynamicListItems

// class DynamicListItems

import java.util.ArrayList;
import java.util.HashMap;

import android.app.ListActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.SimpleAdapter;
public class DynamicListItems extends ListActivity {
    private static final String            ITEM_KEY    = "key";
    ArrayList<HashMap<String, String>>    list        = new ArrayList<HashMap<String, String>>();
    private SimpleAdapter                adapter;
    private EditText                    newValue;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.dynamic_list);
        newValue = (EditText) findViewById(R.id.new_value_field);

        setListAdapter(new SimpleAdapter(this, list, R.layout.row, new String[] { ITEM_KEY }, new int[] { R.id.list_value }));
        ((ImageButton) findViewById(R.id.button)).setOnClickListener(getBtnClickListener());
    }

    private OnClickListener getBtnClickListener() {
        return new OnClickListener() {
            public void onClick(View view) {
                try {
                    HashMap<String, String> item = new HashMap<String, String>();
                    item.put(ITEM_KEY, newValue.getText().toString());
                    list.add(item);
                    adapter.notifyDataSetChanged();
                } catch (NullPointerException e) {
                    Log.i("[Dynamic Items]", "Tried to add null value");
                }
            }
        };
    }
}

// layout xml
// dynamic_list.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" >

    <ListView
        android:id="@+id/android:list"
        android:layout_width="fill_parent"
        android:layout_height="0px"
        android:layout_weight="1"
        android:cacheColorHint="#00000000" >
    </ListView>

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8px"
        android:layout_marginLeft="8px"
        android:layout_marginRight="8px"
        android:layout_marginTop="6px"
        android:background="#00000000"
        android:orientation="horizontal" >

        <ImageButton
            android:id="@+id/button"
            android:layout_width="100px"
            android:layout_height="100px"
            android:src="@android:drawable/ic_menu_add" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="230px"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8px"
        android:layout_marginLeft="0px"
        android:layout_marginRight="28px"
        android:layout_marginTop="8px"
        android:background="#cccccc00"
        android:orientation="vertical" >

        <EditText
            android:id="@+id/new_value_field"
            android:layout_width="210px"
            android:layout_height="wrap_content"
            android:layout_marginBottom="8px"
            android:layout_marginLeft="12px"
            android:layout_marginRight="12px"
            android:layout_marginTop="6px"
            android:layout_weight="1"
            android:textColor="#020905"
            android:textSize="18sp" />
    </LinearLayout>

</LinearLayout>

// row.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="wrap_content"
    android:background="#00000000">
   
    <TextView
        android:id="@+id/list_value"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
    />
</LinearLayout>
                   

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