Java tutorial
//package com.java2s; import android.content.Context; import android.net.Uri; public class Main { /** * Utility method for deleting all the elements from a given content URI. * You have to provide the name of the primary key column. * * @param ctx the context whose content resolver to use to lookup the URI * @param contentUri the content URI to delete all the items from * @param idColumn the column of the primary key for the URI */ private static void deleteContentUri(Context ctx, Uri contentUri, String idColumn) { ctx.getContentResolver().delete(contentUri, null, null); } }