sumimakito/AwesomeQRCode

// Kotlin

val renderOption = RenderOption()
renderOption.content = "Special, thus awesome." // content to encode
renderOption.size = 800 // size of the final QR code image
renderOption.borderWidth = 20 // width of the empty space around the QR code 
renderOption.ecl = ErrorCorrectionLevel.M // (optional) specify an error correction level
renderOption.patternScale = 0.35f // (optional) specify a scale for patterns
renderOption.roundedPatterns = true // (optional) if true, blocks will be drawn as dots instead
renderOption.clearBorder = true // if set to true, the background will NOT be drawn on the border area
renderOption.color = color // set a color palette for the QR code
renderOption.background = background // set a background, keep reading to find more about it
renderOption.logo = logo // set a logo, keep reading to find more about it

// Kotlin

// A still background (a still image as the background)
val background = StillBackground()
background.bitmap = backgroundBitmap // assign a bitmap as the background
background.clippingRect = Rect(0, 0, 200, 200) // crop the background before applying
background.alpha = 0.7f // alpha of the background to be drawn

// A blend background (to draw a QR code onto an area of a still image)
val background = BlendBackground()
background.bitmap = backgroundBitmap
background.clippingRect = Rect(0, 0, 200, 200)
background.alpha = 0.7f
background.borderRadius = 10 // radius for blending corners

// A gif background (animated)
val background = GifBackground()
background.inputFile = gifFile // assign a file object of a gif image to this field
background.outputFile = File(pictureStorage, "output.gif") // IMPORTANT: the output image will be saved to this file object
background.clippingRect = Rect(0, 0, 200, 200)
background.alpha = 0.7f

// Kotlin

val color = Color()
color.light = 0xFFFFFFFF.toInt() // for blank spaces
color.dark = 0xFFFF8C8C.toInt() // for non-blank spaces
color.background = 0xFFFFFFFF.toInt() // for the background (will be overriden by background images, if set)
color.auto = false // set to true to automatically pick out colors from the background image (will only work if background image is present)

// Kotlin

val logo = Logo()
logo.bitmap = logoBitmap
logo.borderRadius = 10 // radius for logo's corners
logo.borderWidth = 10 // width of the border to be added around the logo
logo.scale = 0.3f // scale for the logo in the QR code
logo.clippingRect = Rect(0, 0, 200, 200) // crop the logo image before applying it to the QR code

// Kotlin

val result = AwesomeQrRenderer.renderAsync(renderOption, { result ->
    if (result.bitmap != null) {
        // play with the bitmap
    } else if (result.type == RenderResult.OutputType.GIF) {
        // If your Background is a GifBackground, the image 
        // will be saved to the output file set in GifBackground
        // instead of being returned here. As a result, the 
        // result.bitmap will be null.
    } else {
        // Oops, something gone wrong.
    }
}, { 
    exception -> exception.printStackTrace() 
    // Oops, something gone wrong.
})

// Kotlin

try {
    val result = AwesomeQrRenderer.render(renderOption)
    if (result.bitmap != null) {
        // play with the bitmap
    } else if (result.type == RenderResult.OutputType.GIF) {
        // If your Background is a GifBackground, the image 
        // will be saved to the output file set in GifBackground
        // instead of being returned here. As a result, the 
        // result.bitmap will be null.
    } else {
        // Oops, something gone wrong.
    }
} catch (e: Exception) {
    e.printStackTrace()
    // Oops, something gone wrong.
}