Google's ML Kit Text Recognition for Flutter #

A Flutter plugin to use Google's ML Kit Text Recognition to recognize text in any Chinese, Devanagari, Japanese, Korean and Latin character set.

Getting Started #

Before you get started read about the requirements and known issues of this plugin here.

Supported languages #

The ML Kit Text Recognition API can recognize text in any Chinese, Devanagari, Japanese, Korean and Latin character set. Supported languages can be found here.

Usage #

Text Recognition #

Create an instance of InputImage

Create an instance of InputImage as explained here.

final InputImage inputImage;

Create an instance of TextRecognizer

final textRecognizer = TextRecognizer(script: TextRecognitionScript.latin);

Process image

final RecognizedText recognizedText = await textRecognizer.processImage(inputImage);

String text = recognizedText.text;
for (TextBlock block in recognizedText.blocks) {
  final Rect rect = block.rect;
  final List<Offset> cornerPoints = block.cornerPoints;
  final String text = block.text;
  final List<String> languages = block.recognizedLanguages;

  for (TextLine line in block.lines) {
    // Same getters as TextBlock
    for (TextElement element in line.elements) {
      // Same getters as TextBlock
    }
  }
}

Release resources with close()

textRecognizer.close();

Example app #

Find the example app here.

Contributing #

Contributions are welcome. In case of any problems look at existing issues, if you cannot find anything related to your problem then open an issue. Create an issue before opening a pull request for non trivial fixes. In case of trivial fixes open a pull request directly.