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ÎÒÃÇÊ×ÏÈÀ´¿´¿´SQLiteÔÚ AndroidÖеÄʹÓã¬ÔÚAndroidÖÐÓÐ×î¼òµ¥µÄʹÓ÷½Ê½£¬¾ÍÊÇÀûContext¶ÔÏóµÄopenorCreateDatabase
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package test.DB;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
public class DBActivity extends Activity {
 private SQLiteDatabase mdb = null;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        initDatabase();
        setContentView(R.layout.main);       
    }
    @Override
 public boolean onCreateOptionsMenu(Menu menu) {
  // TODO Auto-generated method stub
  super.onCreateOptionsMenu(menu);   
  menu.add(1, Menu.FIRST +1, 1, "GetName");  
  menu.add(1, Menu.FIRST +2, 2, "Test");   
  return true;  
 }
   
    public boolean onOptionsItemSelected(MenuItem item) {
  // TODO Auto-generated method stub
  super.onOptionsItemSelected(item);
  switch (item.getItemId())
  {
   case Menu.FIRST+ 1:
   {
    TextView tv = (TextView)this.findViewById(R.id.view_ma


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