Oleur
/ PhoneNumberVisualTransformation.kt
Last active
December 20, 2021 16:41
Compose offsets for PhoneNumber VisualTransformation
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| val originalToTransformed = mutableListOf<Int>() | |
| val transformedToOriginal = mutableListOf<Int>() | |
| var specialCharsCount = 0 | |
| formatted?.forEachIndexed { index, char -> | |
| if (!PhoneNumberUtils.isNonSeparator(char)) { | |
| specialCharsCount++ | |
| } else { | |
| originalToTransformed.add(index) | |
| } | |
| transformedToOriginal.add(index - specialCharsCount) |
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| s.forEachIndexed { index, char -> | |
| if (PhoneNumberUtils.isNonSeparator(char)) { | |
| if (lastNonSeparator.code != 0) { | |
| formatted = getFormattedNumber(lastNonSeparator, hasCursor) | |
| hasCursor = false | |
| } | |
| lastNonSeparator = char | |
| } | |
| if (index == curIndex) { | |
| hasCursor = true |
Oleur
/ PhoneNumberFormatter.kt
Created
December 16, 2021 16:23
Format Phone Number while typing with libphonenumber library
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| private val countryCode: String = Locale.getDefault().country | |
| private val phoneNumberFormatter = PhoneNumberUtil.getInstance().getAsYouTypeFormatter(countryCode) | |
| private fun getFormattedNumber(lastNonSeparator: Char, hasCursor: Boolean): String? { | |
| return if (hasCursor) { | |
| phoneNumberFormatter.inputDigitAndRememberPosition(lastNonSeparator) | |
| } else { | |
| phoneNumberFormatter.inputDigit(lastNonSeparator) | |
| } | |
| } |
Oleur
/ TextField.kt
Created
December 15, 2021 15:39
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| TextField( | |
| modifier = modifier.fillMaxWidth(), | |
| text = text, | |
| hint = hint, | |
| singleLine = true, | |
| leadingIcon = null, | |
| visualTransformation = PhoneNumberVisualTransformation(), | |
| keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Phone) | |
| ) |
Oleur
/ CreditCardOffsetMapping.kt
Created
December 13, 2021 18:43
Credit Card transformation offset mapping from Compose documentation.
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| // Making XXXX-XXXX-XXXX-XXXX string. | |
| val creditCardOffsetMapping = object : OffsetMapping { | |
| override fun originalToTransformed(offset: Int): Int { | |
| if (offset <= 3) return offset | |
| if (offset <= 7) return offset + 1 | |
| if (offset <= 11) return offset + 2 | |
| if (offset <= 16) return offset + 3 | |
| return 19 | |
| } |
Oleur
/ PasswordVisualTransformation.kt
Created
December 13, 2021 18:33
PasswordVisualTransformation from Jetpack Compose
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| class PasswordVisualTransformation(val mask: Char = '\u2022') : VisualTransformation { | |
| override fun filter(text: AnnotatedString): TransformedText { | |
| return TransformedText( | |
| text = AnnotatedString(mask.toString().repeat(text.text.length)), | |
| offsetMapping = object : OffsetMapping { | |
| override fun originalToTransformed(offset: Int): Int = offset | |
| override fun transformedToOriginal(offset: Int): Int = offset | |
| } |
Oleur
/ VisualTransformation.kt
Created
December 13, 2021 17:53
VisualTransformation interface from Android sources
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| fun interface VisualTransformation { | |
| fun filter(text: AnnotatedString): TransformedText | |
| companion object { | |
| @Stable | |
| val None: VisualTransformation = VisualTransformation { text -> | |
| TransformedText(text, OffsetMapping.Identity) | |
| } |
Oleur
/ SliceApp.kt
Created
June 5, 2021 08:55
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| class MyApplication : Application() { | |
| override fun onCreate() { | |
| super.onCreate() | |
| grantAssistantPermissions() | |
| } | |
| private fun grantAssistantPermissions() { | |
| getAssistantPackage()?.let { assistantPackage -> | |
| val sliceProviderUri = Uri.Builder() |
Oleur
/ MySliceProvider.kt
Created
June 3, 2021 16:53
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| class TodoProvider : SliceProvider() { | |
| override fun onCreateSliceProvider() = true | |
| override fun onBindSlice(sliceUri: Uri): Slice? { | |
| val context = context ?: return null | |
| val activityAction = createActivityAction() ?: return null | |
| return if (sliceUri.path == "/todo") { | |
| list(context, sliceUri, ListBuilder.INFINITY) { | |
| header { |
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| class MyActivity : AppCompatActivity() { | |
| override fun onCreate(savedInstanceState: Bundle?) { | |
| super.onCreate(savedInstanceState) | |
| intent.handleIntent() | |
| } | |
| } | |
| private fun Intent.handleIntent() { | |
| when (action) { | |
| Intent.ACTION_VIEW -> controller.handleDeepLink(data) |
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