优化代码，修改bug。

app/temp_code.js

@@ -0,0 +1,51 @@
+
+
+SQLiteDatabase db = mHelper.getWritableDatabase();
+try
+{
+//      ByteArrayOutputStream bos = new ByteArrayOutputStream();
+//      ObjectOutputStream oos = new ObjectOutputStream(bos);
+//      oos.write(command);
+//      byte[] buff = bos.toByteArray();
+    // ByteArrayInputStream bis = new
+    // ByteArrayInputStream(buff);
+    String sql = "INSERT INTO " + DBHelper.TABLE_NAME
+            + " VALUES(?,?);";
+    SQLiteStatement ss = db.compileStatement(sql);
+    ss.bindBlob(1, command);
+    ss.bindString(2, "N");
+    ss.execute();
+}
+finally
+{
+    db.close();
+}
+
+
+public void insertSeedItem(long ToyID, byte[]ToySeed) {
+    String sqlstr = "insert into " + TABLE_SEED + " (ToyID, ToySeed,ToyMemo) values (?,?,?);";
+    Object[] args = new Object[]{ToyID,ToySeed,null};
+        try{
+        mTestDatabase.execSQL(sqlstr,args);
+        } catch (SQLException ex) {
+        }
+    Log.i("testSeedDB", "insertSeedItem");
+
+    }
+
+    public byte[] GetSeedItem(long ToyID) {
+    Cursor cur;
+        byte[] strSeed = null;
+
+        String col[] = {"ToyID", "ToySeed" ,"ToyMemo"};
+        String strToy = "ToyID=" +  new Integer((int) ToyID).toString();
+        try{
+        cur = mTestDatabase.query(TABLE_SEED, col, strToy, null, null, null, null);
+            cur.moveToFirst();
+            strSeed = cur.getBlob(1);
+        } catch (SQLException ex) {
+        }
+        if (cur !=null) cur.close;
+        Log.i("testSeedDB", strToy);
+        return strSeed;
+    }