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hi guys supportive changes and my name is Amin Deshpande in the previous video you have seen how to do a retrieve operation using a content provider obviously there are other operations as well like insert update and delete operations retrieve operation was typically done using very method and in the same way there are other methods which are provided by the content resolver like insert update and delete methods which are part of the content resolver so in this video we will be seeing how to do these operations let us get it to a quick demo you can see that I have slightly modified my applications UI now it has got three buttons a paste add contact remove contact and the update contact using which I will be doing refresh in let us get started with the most simple one which is vivid context I will be entering a contact here then I will click on the remove contact that particular context field yet they move now we will have a look at the port how it is being done you can see that there