示例#1
0
 @Override
 public void onUpgrade(SQLiteDatabase sqLiteDatabase, int oldVersion, int newVersion) {
   // This database is only a cache for online data, so its upgrade policy is
   // to simply to discard the data and start over
   // Note that this only fires if you change the version number for your database.
   // It does NOT depend on the version number for your application.
   // If you want to update the schema without wiping data, commenting out the next 2 lines
   // should be your top priority before modifying this method.
   sqLiteDatabase.execSQL("DROP TABLE IF EXISTS " + LocationEntry.TABLE_NAME);
   sqLiteDatabase.execSQL("DROP TABLE IF EXISTS " + WeatherEntry.TABLE_NAME);
   onCreate(sqLiteDatabase);
 }