Android Programming Tutorials

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Android Bar Chart Using MpAndroidChart Library Tutorial

https://www.numetriclabz.com/android-bar-chart-using-mpandroidchart-library-tutorial/ Android Bar Chart Using MpAndroidChart Library Tutorial Objective In this tutorial we learn how to implement Bar Chart using MpAndroidChart Library in your Android App. Download Source Code Step 1 Contents · 1 Introduction · 2 Creating Bar chart o 2.1 Create a new Project o 2.2 Adding library in Project o 2.3 Create Layout o 2.4 To Plot Bar Chart § 2.4.1 Initialize the graph id § 2.4.2 Creating a Dataset § 2.4.3 Defining X-axis labels § 2.4.4 Set the data § 2.4.5 Add the description to the chart § 2.4.6 Run your App § ...

how to retrieve image from sqlite database in android and display in listview

Android platform provides several ways to store data in our application. 1. SQLite database 2. SharedPreferences etc For our post, we will only work with SQLite database. First and foremost, we need to understand what an SQLite database is? SQLite database is an open source SQL database that stores data to a text file on a device. It executes SQL Commands to perform a set of functions, that is, create, read, update and delete operations. On my previous post, I showed how to store data in SQLite database from edit text, retrieve and populate it in a listview . For this post, I will show the SQLite CRUD operations with images from gallery and text from EditText. We need to understand this; images are stored in SQLite database as BLOB data type. A BLOB is a large binary object that can hold a variable amount of data. Note, we can only store images in the database as BLOB data type. We need to convert our image path to a bitmap th...

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