androidx.core.text

Kotlin |Java

Interfaces

Interface for objects that use a heuristic for guessing at the paragraph direction by examining text.

Classes

BidiFormatter	Utility class for formatting text for display in a potentially opposite-directionality context without garbling.
HtmlCompat	Backwards compatible version of `Html`.
ICUCompat
PrecomputedTextCompat	A text which has the character metrics data.
TextDirectionHeuristicsCompat	Some objects that implement TextDirectionHeuristic.
TextUtilsCompat	Backwards compatible version of `TextUtils`.

Top-level functions summary

SpannedString

buildSpannedString(builderAction: SpannableStringBuilder.() -> Unit)

Builds new string by populating a newly created SpannableStringBuilder using the provided builderAction and then converting it to SpannedString.

Extension functions summary

For android.text.Spannable
Unit	`Spannable.clearSpans()` Clear all spans from this text.
operator Unit	`Spannable.set(start: Int, end: Int, span: Any)` Add span to the range start…end of the text.
operator Unit	`Spannable.set(range: IntRange, span: Any)` Add span to the range of the text.

For android.text.SpannableStringBuilder
SpannableStringBuilder	`SpannableStringBuilder.backgroundColor(@ColorInt color: Int, builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in a BackgroundColorSpan.
SpannableStringBuilder	`SpannableStringBuilder.bold(builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in a bold StyleSpan.
SpannableStringBuilder	`SpannableStringBuilder.color(@ColorInt color: Int, builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in a ForegroundColorSpan.
SpannableStringBuilder	`SpannableStringBuilder.inSpans(vararg spans: Any, builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in spans.
SpannableStringBuilder	`SpannableStringBuilder.inSpans(span: Any, builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in span.
SpannableStringBuilder	`SpannableStringBuilder.italic(builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in an italic StyleSpan.
SpannableStringBuilder	`SpannableStringBuilder.scale(proportion: Float, builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in a RelativeSizeSpan.
SpannableStringBuilder	`SpannableStringBuilder.strikeThrough(builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in a StrikethroughSpan.
SpannableStringBuilder	`SpannableStringBuilder.subscript(builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in a SubscriptSpan.
SpannableStringBuilder	`SpannableStringBuilder.superscript(builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in a SuperscriptSpan.
SpannableStringBuilder	`SpannableStringBuilder.underline(builderAction: SpannableStringBuilder.() -> Unit)` Wrap appended text in builderAction in an UnderlineSpan.

For android.text.Spanned
Array<out T>	`Spanned.getSpans(start: Int = 0, end: Int = length)` Get all spans that are instance of T.
String	`Spanned.toHtml(option: Int = TO_HTML_PARAGRAPH_LINES_CONSECUTIVE)` Returns a string of HTML from the spans in this Spanned.

For kotlin.CharSequence
Boolean	`CharSequence.isDigitsOnly()` Returns whether the given CharSequence contains only digits.
Spannable	`CharSequence.toSpannable()` Returns a new Spannable from CharSequence, or the source itself if it is already an instance of SpannableString.
Spanned	`CharSequence.toSpanned()` Returns a new Spanned from CharSequence, or the source itself if it is already an instance of SpannedString.
Int	`CharSequence.trimmedLength()` Returns the length that the specified CharSequence would have if spaces and ASCII control characters were trimmed from the start and end, as by String.trim.

For kotlin.String
String	`String.htmlEncode()` Html-encode the string.
Spanned	`String.parseAsHtml(flags: Int = FROM_HTML_MODE_LEGACY, imageGetter: ImageGetter? = null, tagHandler: TagHandler? = null)` Returns a Spanned from parsing this string as HTML.

Extension properties summary

For java.util.Locale
Int	`Locale.layoutDirection()` Returns layout direction for a given locale.

Top-level functions

buildSpannedString

inline fun buildSpannedString(builderAction: SpannableStringBuilder.() -> Unit): SpannedString

Builds new string by populating a newly created SpannableStringBuilder using the provided builderAction and then converting it to SpannedString.

Extension functions

backgroundColor

inline fun SpannableStringBuilder.backgroundColor(
    @ColorInt color: Int, 
    builderAction: SpannableStringBuilder.() -> Unit
): SpannableStringBuilder

Wrap appended text in builderAction in a BackgroundColorSpan.

See Also

SpannableStringBuilder.inSpans

bold

inline fun SpannableStringBuilder.bold(builderAction: SpannableStringBuilder.() -> Unit): SpannableStringBuilder

Wrap appended text in builderAction in a bold StyleSpan.

See Also

SpannableStringBuilder.inSpans

clearSpans

inline fun