2014-02-21 55 views
-1

我一直在试图在我的数据库上实现LongClick很长一段时间,但现在它只是一个简短的点击工作。我正在写一个Android我有一个数据库,我试图删除记录。这里是我到目前为止的代码,添加LongClick到数据库ListView Android

protected void onListItemClick(ListView l, View v, int position, long id) { 
    @SuppressWarnings("unchecked") 
    //THIS IS TO DELETE FROM DATABASE, NEED TO IMPLEMENT LONGCLICK 
    Vehicle toDelete = ((ArrayAdapter<Vehicle>) l.getAdapter()).getItem(position); 
    VehicleDataSource vds = new VehicleDataSource(this); 
    vds.deleteVehicle(toDelete); 
    getLoaderManager().restartLoader(0, null, this); 

}

继承人在我VehicleDataSource类我删除车辆的方法,

public synchronized void deleteVehicle(Vehicle v) throws SQLException { 
     SQLiteDatabase db = dbHelper.getWritableDatabase(); 
     db.delete(MySQLiteHelper.TABLE_VEHICLE, 
       MySQLiteHelper.COLUMN_ID + " = ?", new String[] {v.getId() + ""}); 
    } 

如果有人可以给我将不胜感激任何提示或任何帮助。谢谢。

回答