Update and Delete in Gridview

For Delete Operation:

Remove.setOnClickListener(new View.OnClickListener() {
     @Override
     public void onClick(View v) {     

     StringLIST.remove(3);

     arrayadapter.notifyDataSetChanged();

     Toast.makeText(MainActivity.this,"Delete Successfully", Toast.LENGTH_SHORT).show();
     }
     });

For Update Operation:

StringLIST.get(0).setTitle("New Title");
arrayadapter.notifyDataSetChanged();

On which device do you want to update or delete a particular row, please confirm