Prepare for technical interviews for Android developer rolesĪny third-party trademarks and other intellectual property (including logos and icons) referenced in the learning experience remain the property of their respective owners. Work with web technologies and persistent data on Android applicationsĭescribe best practices for designing the UI and experience for mobile applicationsĬreate cross-platform applications using React Native Manage the lifecycle and data collections of mobile applications Upon completion, you’ll get access to the Meta Career Programs Job Board-a job search platform that connects you with 200+ employers who have committed to sourcing talent through Meta’s certificate programs, as well as career support resources to help you with your job search.Įssential Android programming concepts and the tools needed to develop applicationsĬreate user interfaces (UI) for mobile apps using Android Studio Note: the tx.executeSql above returns void, so you are not going to be able to return your results.Have you ever wanted to build your own mobile app? This certificate will teach you the top Android programming languages and frameworks used for building apps like Facebook and Instagram, and how to create your own Android application. If you feel like wrapping in a transaction, here ya go: The above returns a Promise that will resolve to the results of the query. If you aren’t worried about data being updated during your select, you can use the following: The docs show an example of running a select statement inside a transaction. You have two options for running a db query: Wouldn’t it be nice to have that logged in a console with readable text? Yes. But if something goes wrong, you get an ugly red screen with an incredibly hard-to-read error message. Now, inside your class, in a method that is BOUND TO THAT CLASS, use the following statement: Import SQLite from ‘react-native-sqlite-storage ‘ So, now, the moment you’ve been waiting for: how to write actual code with the plugin. Step 4: Actually Coding With The Damn Thing This updates your packages.json in your project. Npm install –save react-native-sql-storage Step 3: Installing React-Native-SQL-Storage If you anticipate developing for IOS eventually (if you plan to have a Mac and XCode available some day), create (root)/wwwĪnd put it in there. If you are developing for Android: put it in the (root)/android/app/src/main/assets He spends multiple paragraphs on how it works for IOS, then hides a single sentence or two in there on what to do for Android. This is the part that made me mad on the official docs: explanation of where to put your database. Once you do that, you can use the tool to create and write your database file. Next, assuming you don’t want to be Super Manly Programmer ™ and write your own SQL script (using VI), install DB Broswer for SQLite: Use whatever utility you want, or write a SQL script by hand to create your database. Step 1: Create A SQLIte Databaseĭon’t attempt to have your app create a database from scratch. If you were expecting me to walk you through that part, this ain’t that kind of tutorial, bro. This all assumes you have a react-native project set up. (Insert introduction blah blah blah here) I’ve modified the section below on opening databases. If you are working on Android, you can learn more in the issues section and in the test directory than you can in the README.md. Edit: the docs on react-native-sqlite-storage suck.
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