SQLite的小例子--备忘录(7)

    <LinearLayout android:id="@+id/LinearLayout01" 
        android:layout_height="wrap_content" android:layout_width="fill_parent"> 
        <EditText android:layout_height="wrap_content" android:id="@+id/todo_edit_summary" 
            android:layout_weight="1" android:layout_width="wrap_content" 
            android:hint="Summary"></EditText> 
 
    </LinearLayout> 
 
 
    <EditText android:layout_width="fill_parent" 
        android:layout_height="fill_parent" android:layout_weight="1" 
        android:id="@+id/todo_edit_description" android:hint="Description" android:gravity="top"></EditText> 
    <Button android:layout_width="wrap_content" 
        android:layout_height="wrap_content" android:id="@+id/todo_edit_button" 
        android:text="@string/test_edit_confirm"></Button> 
 
 
</LinearLayout><span style="white-space: normal;"><span style="white-space: pre;">    </span></span> 
 
 下面的是两个Activity的代码
SQLiteOverView.java
 
Java代码 
package com.loulijun.sqlitetest; 
 
import android.app.ListActivity; 
import android.content.Intent; 
import android.database.Cursor; 
import android.os.Bundle; 
import android.view.ContextMenu; 
import android.view.ContextMenu.ContextMenuInfo; 
import android.view.Menu; 
import android.view.MenuInflater; 
import android.view.MenuItem; 
import android.view.View; 
import android.widget.AdapterView.AdapterContextMenuInfo; 
import android.widget.ListView; 
import android.widget.SimpleCursorAdapter; 
 
public class SQLiteOverView extends ListActivity { 
    private MyAdapter dbHelper; 
    private static final int ACTIVITY_CREATE = 0; 
    private static final int ACTIVITY_EDIT = 1; 
    private static final int DELETE_ID = Menu.FIRST + 1; 
    private Cursor cursor; 
    @Override 
    public void onCreate(Bundle savedInstanceState) {