MaterrialCheckBox170.kt

AndroidView(factory = { context ->
            MaterialCheckBox(context).apply {
                text = "Checkbox from 1.7"
                
                addOnCheckedStateChangedListener { checkBox, state ->
                    when (state) {
                        STATE_INDETERMINATE -> {
                            stateValue.value = STATE_INDETERMINATE
                        }

                        STATE_UNCHECKED -> {
                            stateValue.value = STATE_UNCHECKED
                        }

                        STATE_CHECKED -> {
                            stateValue.value = STATE_CHECKED
                        }
                    }
                }

                // TODO process error state
                addOnErrorChangedListener { checkBox, errorShown ->
                }
                
            }
        }, update = { materialCheckBox ->
                when (stateValue.value) {
                    STATE_INDETERMINATE -> {
                        with(materialCheckBox) {
                            error = "Error on CheckBox"
                            isErrorShown = true
                            errorAccessibilityLabel = "TODO"
                            materialCheckBox.checkedState = STATE_INDETERMINATE
                        }
                    }

                    else -> {
                        with(materialCheckBox) {
                            isErrorShown = false
                            setError("", null)
                        }
                    }
                }
            })