Anastasios Chondrogiannis

1. Visualize interpolation

• Open the main.cpp file.
• Modify the vertex shader source code as follows:

[Read more…] about Android OpenGL ES – Part 4: Indexed Drawing

1. Link the GLM Library

• Click here and download the GLM library. I used version 0.9.9.7.
• Unzip the file you downloaded.
• Inside the unzipped folder you will find a subfolder named glm. Move this folder into your project’s cpp folder:
  • Open the Project pane from the left side of the IDE.
  • Select the Project view.
  • Navigate to app->src->main.
  • Drag and drop the glm folder onto the cpp folder and click OK.
• Open the CMakeLists.txt file.
• Make the following changes:

[Read more…] about Android OpenGL ES – Part 3: Transformations

1. Link the log library

• Open the CMakeLists.txt file.
• Make the following changes:

cmake_minimum_required(VERSION 3.6.0)

add_library(native-library SHARED main.cpp)

find_library(opengl-lib GLESv3)
find_library(log-lib log)

target_link_libraries(native-library ${opengl-lib} ${log-lib})

• Save the file and click Sync Now.

[Read more…] about Android OpenGL ES – Part 2: Triangle

1. Create a new Android Project with C/C++ support

In order to create a new Android project with C/C++ support, click here and follow the instructions.

The only difference is that you will use a different API level:

Minimum API level: API 21: Android 5.0 (Lollipop)

[Read more…] about Android OpenGL ES – Part 1: Basic Setup

1. Create a new Project

• Open Android Studio (I’m using version 3.5.3).
• Click Start a new Android Studio Project.
• Under the Phone and Tablet tab select Add No Activity and click Next.
• Fill in the following information:
  • Language: Kotlin
  • Minimum API level: API 16: Android 4.1 (Jelly Bean)
  • This project will support instant apps: Leave it unchecked
  • Use androidx.* artifacts: Leave it checked
• Choose your own Name, Package name and Save location.
• Click Finish.

[Read more…] about Add C/C++ to your Android project