![]() ![]() In MainAcvitiy, inflate the menu by overriding onCreateOptionsMenu. Best Java code snippets using .query (Showing top. ![]() Add a main_menu.xml menu resource file to res > menu.Ĭreate a menu with one item Search.In your project, create an Android Resource directory and call it menu with "menu" as the resource type ( res > menu).Use the OptionsMenuSample code from your previous practicals if you need an example of how to do this. Run the app to ensure it builds and functions correctly.ġ.1.Change the package name in your adle file.Rename the package using Refactor > Rename.Refer to the Appendix for information on copying a project. Load a copy of the app into Android Studio.As long as the app uses a SQLite database, you can use these instructions to extend it. You can use your own app, or download the base app. In a production environment, building on existing application code is a common developer task to add features or fix problems. In order to save you some work, this practical will build on an app you have already built. For example, entering "Android" will return all entries that contain the substring "Android". You will make a copy of the finished WordListSQLInteractive app (or WordListSqlStarterCode if you didn't rename it from a previous practical), call it WordListSQLInteractiveWithSearch, and add an activity that lets users search for partial and full words in the database. The syntax of the SELECT statement is as follows: SELECT DISTINCT columnlist. We often use the SELECT statement to query data from one or more table. Note: The focus of this practical is not optimizing the UX of the search request, but showing you how to query the database. Querying data from a table using the SELECT statement. Why: Users should always be able to search the data on their own terms. In this practical you will add an item to the options menu for searching the database, and an activity that allows users to enter a search string and displays the result of the search in a text view. Build search queries for the SQLite database from user input. ![]()
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