How to get a Uri object from Bitmap

Question

On a certain tap event, I ask the user to add an image. So I provide two options:

1. To add from gallery.
2. To click a new image from camera.

Answer 1

if you get image from camera there is no way to get Uri from a bitmap, so you should save your bitmap first.

launch camera intent

startActivityForResult(Intent(MediaStore.ACTION_IMAGE_CAPTURE), 8)

then, override

override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {

    if (resultCode == Activity.RESULT_OK && requestCode == 8) {
        val bitmap = data?.extras?.get("data") as Bitmap

        val uri = readWriteImage(bitmap)
    }
}

also create method to store bitmap and then return the Uri

fun readWriteImage(bitmap: Bitmap): Uri {
    // store in DCIM/Camera directory
    val dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM)
    val cameraDir = File(dir, "Camera/")

    val file = if (cameraDir.exists()) {
        File(cameraDir, "LK_${System.currentTimeMillis()}.png")
    } else {
        cameraDir.mkdir()
        File(cameraDir, "LK_${System.currentTimeMillis()}.png")
    }

    val fos = FileOutputStream(file)
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos)
    fos.flush()
    fos.close()

    Uri.fromFile(file)
}

PS: dont forget to Add Permission and handle runtime permission (API >= 23)