README.md · qinix/OpenCV-Android-Firemonkey

# OpenCV Android Firemonkey

OpenCV v4.2.0 (framework for computer vision) for Android Firemonkey

## Prerequisites

#### Development environment
  - Delphi Rio (with Android SDK, Android NDK and JDK 1.8.* configured)

## Getting Started

Download and unzip the [archive](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/archive/master.zip) or clone repository in the folder of your choice.

```
https://github.com/CarlosHe/OpenCV-Android-Firemonkey.git
```

## Adding OpenCV to your IDE

#### Step 1 - Open your Delphi.
#### Step 2 - with your IDE already open, go to the IDE options in the tools menu (Tools -> Options...)
![Image 1 Step 2 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/1-step-2-01.png)
#### Step 3 - with the Options window open, navigate to Delphi Library using the left side menu. (Language -> Delphi -> Library)
![Image 1 Step 3 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/1-step-3-01.png)
#### Step 4 - select the "Android 32-bit" platform in the Selected Platform option
![Image 1 Step 4 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/1-step-4-01.png)
#### Step 5 - in the item "Library path", click on the options button (3 dots, located on the right side of the option)
![Image 1 Step 5 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/1-step-5-01.png)
#### Step 6 - with the Directories window open, click on the button with a folder icon, to the right of an Edit
![Image 1 Step 6 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/1-step-6-01.png)
#### Step 7 - select the "src" folder you downloaded from this project
![Image 1 Step 7 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/1-step-7-01.png)
#### Step 8 - click on the "Add" button and then the "Ok" button
![Image 1 Step 8 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/1-step-8-01.png)
#### Step 8 - repeat steps 5, 6, 7 and 8 for the "Android 64-bit" platform
#### Step 9 - with all the settings made, now just click Save button
![Image 1 Step 9 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/1-step-9-01.png)

## Adding OpenCV to your Android project

#### Step 1 - in your Android project, add the file "AndroidOpenCV.jar" ("jar" folder you downloaded from this project) in "Libraries"
![Image 2 Step 1 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/2-step-1-01.png)
#### Step 2 - in the menu of your IDE, click on "Project" and then click on "Deployment"
![Image 2 Step 2 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/2-step-2-01.png)
#### Step 3 - in the combobox of the Deployment window, choose the option "All configurations - Android 32-bit platform" and then click "Add Files" (button with an "add file" icon, located in the menu of the Deployment window)
![Image 2 Step 3 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/2-step-3-01.png)
#### Step 4 - navigate to the folder you downloaded from this project and add all files from the "\libs\opencv\v4.2.0\armeabi-v7a", "\ libs\cpp_shared\armeabi-v7a" and "\libs\3rdparty\armeabi-v7a"
#### Step 5 - after adding all the necessary files, still in the Deployment window, change the Remote Path to "library\lib\armeabi-v7a\" of all the files you added in the previous step
![Image 2 Step 5 - 01](https://github.com/CarlosHe/OpenCV-Android-Firemonkey/blob/master/doc/img/2-step-5-01.png)

>
if you also have the project for Android 64, repeat steps 3, 4 and 5 replacing:

**Step 3** - Combobox value

```
"All configurations - Android 32-bit platform" -> "All configurations - Android 64-bit platform"
```

**Step 4** - folder names

```
"\libs\opencv\v4.2.0\armeabi-v7a" -> "\libs\opencv\v4.2.0\arm64-v8a"
```
```
"\libs\cpp_shared\armeabi-v7a" -> "\libs\cpp_shared\arm64-v8a"
```
```
"\libs\3rdparty\armeabi-v7a" -> "\libs\3rdparty\arm64-v8a"
```

**Step 5** - Remote Path value

```
"library\lib\armeabi-v7a" -> "library\lib\arm64-v8a"
```
>

## Basic usage

add Android.OpenCV in uses section

```pascal
uses Android.OpenCV;
```

and load OpenCV library using

```pascal
initialization

TJOpenCVLoader.JavaClass.initDebug;
```

**Good! Now you ready to use OpenCV on Android**

## Authors

* **Carlos Modesto** - *Initial work* - [CarlosHe](https://github.com/CarlosHe)

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