How can I show entries from database in the ListView ?ĭatabase. But it creates problem as when one entry is added in database and is viewed then it is stored in stack memory and when you add another entry in Database table and then view it, it shows the new entry but after pressing Back button it also shows the previous entry as such.
So far I have been using an AlertDialog to view the entries of database. I've never used ListView and don't exactly know how to do it. Import aim is to get the database values in a ListView. Step 2: Creating DatabaseHelper classĬreate a new class named “ DatabaseHelper” and all below source code import Step 1: Create a new project in Android Studio.Ĭreate a new standalone and fresh new android studio project.Make sure you have select empty activity while creating new project. Download Source Code įollow all the below steps to create a simple sqlite database example. Download Source Code For Android SQLite Tutorial
It returns true if the new version code is greater than the current version code of the database. For Android, SQLite is baked into the Android runtime, so every Android application can create its own SQLite databases. Android SQLite combines a clean SQL interface with a very small memory footprint and decent speed. needUpgrade(int newVersion)īoolean vale will be returned by this method. Android SQLite is a very lightweight database which comes with Android OS. If the database is opened as read only mode, then this method will return true. If the current database is open then it will return true otherwise false. Returns the current database page size, in bytes. They cover a wide range of topics such as Android Wear, Google Compute Engine, ARCore, and Google APIs on iOS. getVersion()Ĭurrent version of the database will be returned by this method. a new feature to an existing application. It returns a maximum number of memory size which can be allotted to a single database. disableWriteAheadLogging()įeature of executing multiple sql queries (Create, retrieve, update, delete) on the same database simultaneously can be disabled with the use of this method.
In big enterprise applications, there are many threads running parallely, so if all these threads want to execute sql queries on the same database simultaneously, this method enables this feature.
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