How to create a real time line graph in Android?

Create a real time line graph in Android with AChartEngine. AChartEngine is one of the oldest library available to create graph on Android. Solution is functional but lacks of some fresh in front of new libraries that implement Material Design specifications. However, it’s interesting to study it to learn how to create real time line graph with it.

Which is the latest version of achartengine for Android?

It can be downloaded as a single jar here in version 1.2.0 : http://repository-achartengine.forge.cloudbees.com/snapshot/org/achartengine/achartengine/1.2.0/ . You can also use it as a Maven dependency if you use Maven to build your Android project.

How to use achartengine as a dependency in Maven?

You can also use it as a Maven dependency if you use Maven to build your Android project. Once you will have created an Android application project, add achartengine-1.2.0.jar file in libs folder. Now, your project is ready to use AChartEngine library.

To update UI state in the UI thread, we put the addEntry call in a runOnUiThread method. Thanks to GraphView, we have created a real time line graph on Android.

How are the nodes in a scene graph related?

Each node in the scene graph contains information relating to its graphical representation, so the chassis scene node could have a pointer to a car body mesh, while the four wheel nodes contain pointers to a single wheel mesh – there’s no need to load the same mesh in multiple times!

Can a car be represented as a scene graph?

It’s not just a ’decomposable’ object like our car example that can be represented as a scene graph – everything in a game world can be part of one large scene graph. It’s common for a game’s graphical renderer to have just a single root scene node, containing everything in the current level as children.

How to draw a simple graphic in Android?

Android Simple Graphics Example The android.graphics.Canvas can be used to draw graphics in android. It provides methods to draw oval, rectangle, picture, text, line etc. The android.graphics.Paint class is used with canvas to draw objects.