Add underline to urls in AnnotatedStringResource (c34a9dde) · Commits · e / os / android_frameworks_base

packages/SettingsLib/Spa/gallery/res/values/strings.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -24,4 +24,6 @@
		<string name="single_line_summary_preference_title" translatable="false">Preference (singleLineSummary = true)</string>
		<!-- Summary for single line summary preference. [DO NOT TRANSLATE] -->
		<string name="single_line_summary_preference_summary" translatable="false">A very long summary to show case a preference which only shows a single line summary.</string>
		<!-- Footer text with two links. [DO NOT TRANSLATE] -->
		<string name="footer_with_two_links" translatable="false">Annotated string with <a href="https://www.android.com/">link 1</a> and <a href="https://source.android.com/">link 2</a>.</string>
		</resources>

packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/page/FooterPage.kt→packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/page/FooterPageProvider.kt

+6 −1

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2022 The Android Open Source Project
		* Copyright (C) 2023 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		@@ -28,9 +28,11 @@ import com.android.settingslib.spa.framework.common.createSettingsPage
		import com.android.settingslib.spa.framework.compose.navigator
		import com.android.settingslib.spa.framework.compose.stateOf
		import com.android.settingslib.spa.framework.theme.SettingsTheme
		import com.android.settingslib.spa.gallery.R
		import com.android.settingslib.spa.widget.preference.Preference
		import com.android.settingslib.spa.widget.preference.PreferenceModel
		import com.android.settingslib.spa.widget.scaffold.RegularScaffold
		import com.android.settingslib.spa.widget.ui.AnnotatedText
		import com.android.settingslib.spa.widget.ui.Footer

		private const val TITLE = "Sample Footer"
		@@ -78,6 +80,9 @@ object FooterPageProvider : SettingsPageProvider {
		entry.UiLayout()
		}
		Footer(footerText = "Footer text always at the end of page.")
		Footer {
		AnnotatedText(R.string.footer_with_two_links)
		}
		}
		}
		}

packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/framework/util/AnnotatedStringResource.kt

+60 −72

Original line number	Diff line number	Diff line
		@@ -16,105 +16,93 @@

		package com.android.settingslib.spa.framework.util

		import android.content.res.Resources
		import android.graphics.Typeface
		import android.text.Spanned
		import android.text.style.StyleSpan
		import android.text.style.URLSpan
		import androidx.annotation.StringRes
		import androidx.compose.material3.MaterialTheme
		import androidx.compose.runtime.Composable
		import androidx.compose.runtime.remember
		import androidx.compose.ui.graphics.Color
		import androidx.compose.ui.platform.LocalContext
		import androidx.compose.ui.platform.LocalConfiguration
		import androidx.compose.ui.platform.LocalDensity
		import androidx.compose.ui.text.AnnotatedString
		import androidx.compose.ui.text.SpanStyle
		import androidx.compose.ui.text.buildAnnotatedString
		import androidx.compose.ui.text.font.FontStyle
		import androidx.compose.ui.text.font.FontWeight
		import androidx.compose.ui.unit.Density
		import androidx.compose.ui.text.style.TextDecoration

		const val URLSPAN_TAG = "URLSPAN_TAG"
		const val URL_SPAN_TAG = "URL_SPAN_TAG"

		@Composable
		fun annotatedStringResource(@StringRes id: Int, urlSpanColor: Color): AnnotatedString {
		LocalConfiguration.current
		fun annotatedStringResource(@StringRes id: Int): AnnotatedString {
		val resources = LocalContext.current.resources
		val density = LocalDensity.current
		val urlSpanColor = MaterialTheme.colorScheme.primary
		return remember(id) {
		val text = resources.getText(id)
		spannableStringToAnnotatedString(text, density, urlSpanColor)
		spannableStringToAnnotatedString(text, urlSpanColor)
		}
		}

		private fun spannableStringToAnnotatedString(text: CharSequence, density: Density, urlSpanColor: Color): AnnotatedString {
		return if (text is Spanned) {
		with(density) {
		private fun spannableStringToAnnotatedString(text: CharSequence, urlSpanColor: Color) =
		if (text is Spanned) {
		buildAnnotatedString {
		append((text.toString()))
		text.getSpans(0, text.length, Any::class.java).forEach {
		val start = text.getSpanStart(it)
		val end = text.getSpanEnd(it)
		when (it) {
		is StyleSpan ->
		when (it.style) {
		for (span in text.getSpans(0, text.length, Any::class.java)) {
		val start = text.getSpanStart(span)
		val end = text.getSpanEnd(span)
		when (span) {
		is StyleSpan -> addStyleSpan(span, start, end)
		is URLSpan -> addUrlSpan(span, urlSpanColor, start, end)
		else -> addStyle(SpanStyle(), start, end)
		}
		}
		}
		} else {
		AnnotatedString(text.toString())
		}

		private fun AnnotatedString.Builder.addStyleSpan(styleSpan: StyleSpan, start: Int, end: Int) {
		when (styleSpan.style) {
		Typeface.NORMAL -> addStyle(
		SpanStyle(
		fontWeight = FontWeight.Normal,
		fontStyle = FontStyle.Normal
		),
		SpanStyle(fontWeight = FontWeight.Normal, fontStyle = FontStyle.Normal),
		start,
		end
		end,
		)

		Typeface.BOLD -> addStyle(
		SpanStyle(
		fontWeight = FontWeight.Bold,
		fontStyle = FontStyle.Normal
		),
		SpanStyle(fontWeight = FontWeight.Bold, fontStyle = FontStyle.Normal),
		start,
		end
		end,
		)

		Typeface.ITALIC -> addStyle(
		SpanStyle(
		fontWeight = FontWeight.Normal,
		fontStyle = FontStyle.Italic
		),
		SpanStyle(fontWeight = FontWeight.Normal, fontStyle = FontStyle.Italic),
		start,
		end
		end,
		)

		Typeface.BOLD_ITALIC -> addStyle(
		SpanStyle(
		fontWeight = FontWeight.Bold,
		fontStyle = FontStyle.Italic
		),
		SpanStyle(fontWeight = FontWeight.Bold, fontStyle = FontStyle.Italic),
		start,
		end
		end,
		)
		}
		is URLSpan -> {
		}

		private fun AnnotatedString.Builder.addUrlSpan(
		urlSpan: URLSpan,
		urlSpanColor: Color,
		start: Int,
		end: Int,
		) {
		addStyle(
		SpanStyle(
		color = urlSpanColor,
		),
		start,
		end
		)
		if (!it.url.isNullOrEmpty()) {
		addStringAnnotation(
		URLSPAN_TAG,
		it.url,
		SpanStyle(color = urlSpanColor, textDecoration = TextDecoration.Underline),
		start,
		end
		end,
		)
		}
		}
		else -> addStyle(SpanStyle(), start, end)
		}
		}
		}
		}
		} else {
		AnnotatedString(text.toString())
		if (!urlSpan.url.isNullOrEmpty()) {
		addStringAnnotation(URL_SPAN_TAG, urlSpan.url, start, end)
		}
		}

packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/ui/AnnotatedText.kt

0 → 100644

+42 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2023 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.settingslib.spa.widget.ui

		import androidx.annotation.StringRes
		import androidx.compose.foundation.text.ClickableText
		import androidx.compose.material3.MaterialTheme
		import androidx.compose.runtime.Composable
		import androidx.compose.ui.platform.LocalUriHandler
		import com.android.settingslib.spa.framework.util.URL_SPAN_TAG
		import com.android.settingslib.spa.framework.util.annotatedStringResource

		@Composable
		fun AnnotatedText(@StringRes id: Int) {
		val uriHandler = LocalUriHandler.current
		val annotatedString = annotatedStringResource(id)
		ClickableText(
		text = annotatedString,
		style = MaterialTheme.typography.bodyMedium.copy(
		color = MaterialTheme.colorScheme.onSurfaceVariant,
		),
		) { offset ->
		// Gets the url at the clicked position.
		annotatedString.getStringAnnotations(URL_SPAN_TAG, offset, offset)
		.firstOrNull()
		?.let { uriHandler.openUri(it.item) }
		}
		}

packages/SettingsLib/Spa/tests/res/values/strings.xml

+3 −1

Original line number	Diff line number	Diff line
		@@ -26,5 +26,7 @@
		other {There are # songs found in {place}.}
		}</string>

		<string name="test_annotated_string_resource">Annotated string with <b>bold</b> and <a href="https://www.google.com/">link</a>.</string>
		<string name="test_annotated_string_resource">Annotated string with <b>bold</b> and <a href="https://www.android.com/">link</a>.</string>

		<string name="test_link"><a href="https://www.android.com/">link</a></string>
		</resources>