Add underline to urls in AnnotatedStringResource

To match other urls in Settings.

Also simplify the footer content for TogglePermissionAppList.

Fix: 294008469
Test: unit test
Change-Id: I540bea8c85ea8aa6434819aad485bfa7570886cb
diff --git a/packages/SettingsLib/Spa/gallery/res/values/strings.xml b/packages/SettingsLib/Spa/gallery/res/values/strings.xml
index 0d1a1fe..ec60f8c 100644
--- a/packages/SettingsLib/Spa/gallery/res/values/strings.xml
+++ b/packages/SettingsLib/Spa/gallery/res/values/strings.xml
@@ -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>
diff --git a/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/page/FooterPage.kt b/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/page/FooterPageProvider.kt
similarity index 92%
rename from packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/page/FooterPage.kt
rename to packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/page/FooterPageProvider.kt
index 9c7e0ce..50c0eb7 100644
--- a/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/page/FooterPage.kt
+++ b/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/page/FooterPageProvider.kt
@@ -1,5 +1,5 @@
 /*
- * 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.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 @@
                 entry.UiLayout()
             }
             Footer(footerText = "Footer text always at the end of page.")
+            Footer {
+                AnnotatedText(R.string.footer_with_two_links)
+            }
         }
     }
 }
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/framework/util/AnnotatedStringResource.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/framework/util/AnnotatedStringResource.kt
index 9ddd0c6..88ba4b0 100644
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/framework/util/AnnotatedStringResource.kt
+++ b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/framework/util/AnnotatedStringResource.kt
@@ -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) {
-            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) {
-                                Typeface.NORMAL -> addStyle(
-                                        SpanStyle(
-                                                fontWeight = FontWeight.Normal,
-                                                fontStyle = FontStyle.Normal
-                                        ),
-                                        start,
-                                        end
-                                )
-                                Typeface.BOLD -> addStyle(
-                                        SpanStyle(
-                                                fontWeight = FontWeight.Bold,
-                                                fontStyle = FontStyle.Normal
-                                        ),
-                                        start,
-                                        end
-                                )
-                                Typeface.ITALIC -> addStyle(
-                                        SpanStyle(
-                                                fontWeight = FontWeight.Normal,
-                                                fontStyle = FontStyle.Italic
-                                        ),
-                                        start,
-                                        end
-                                )
-                                Typeface.BOLD_ITALIC -> addStyle(
-                                        SpanStyle(
-                                                fontWeight = FontWeight.Bold,
-                                                fontStyle = FontStyle.Italic
-                                        ),
-                                        start,
-                                        end
-                                )
-                            }
-                        is URLSpan -> {
-                            addStyle(
-                                    SpanStyle(
-                                            color = urlSpanColor,
-                                    ),
-                                    start,
-                                    end
-                            )
-                            if (!it.url.isNullOrEmpty()) {
-                                addStringAnnotation(
-                                        URLSPAN_TAG,
-                                        it.url,
-                                        start,
-                                        end
-                                )
-                            }
-                        }
-                        else -> addStyle(SpanStyle(), start, end)
-                    }
+private fun spannableStringToAnnotatedString(text: CharSequence, urlSpanColor: Color) =
+    if (text is Spanned) {
+        buildAnnotatedString {
+            append((text.toString()))
+            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),
+            start,
+            end,
+        )
+
+        Typeface.BOLD -> addStyle(
+            SpanStyle(fontWeight = FontWeight.Bold, fontStyle = FontStyle.Normal),
+            start,
+            end,
+        )
+
+        Typeface.ITALIC -> addStyle(
+            SpanStyle(fontWeight = FontWeight.Normal, fontStyle = FontStyle.Italic),
+            start,
+            end,
+        )
+
+        Typeface.BOLD_ITALIC -> addStyle(
+            SpanStyle(fontWeight = FontWeight.Bold, fontStyle = FontStyle.Italic),
+            start,
+            end,
+        )
+    }
+}
+
+private fun AnnotatedString.Builder.addUrlSpan(
+    urlSpan: URLSpan,
+    urlSpanColor: Color,
+    start: Int,
+    end: Int,
+) {
+    addStyle(
+        SpanStyle(color = urlSpanColor, textDecoration = TextDecoration.Underline),
+        start,
+        end,
+    )
+    if (!urlSpan.url.isNullOrEmpty()) {
+        addStringAnnotation(URL_SPAN_TAG, urlSpan.url, start, end)
+    }
 }
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/ui/AnnotatedText.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/ui/AnnotatedText.kt
new file mode 100644
index 0000000..82ac7e3
--- /dev/null
+++ b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/ui/AnnotatedText.kt
@@ -0,0 +1,42 @@
+/*
+ * 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) }
+    }
+}
diff --git a/packages/SettingsLib/Spa/tests/res/values/strings.xml b/packages/SettingsLib/Spa/tests/res/values/strings.xml
index cbfea06..fb8f878 100644
--- a/packages/SettingsLib/Spa/tests/res/values/strings.xml
+++ b/packages/SettingsLib/Spa/tests/res/values/strings.xml
@@ -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>
diff --git a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/framework/util/AnnotatedStringResourceTest.kt b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/framework/util/AnnotatedStringResourceTest.kt
index b65be42..9928355 100644
--- a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/framework/util/AnnotatedStringResourceTest.kt
+++ b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/framework/util/AnnotatedStringResourceTest.kt
@@ -16,14 +16,14 @@
 
 package com.android.settingslib.spa.framework.util
 
-import androidx.compose.ui.graphics.Color
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.text.SpanStyle
 import androidx.compose.ui.text.font.FontStyle
 import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.text.style.TextDecoration
 import androidx.test.ext.junit.runners.AndroidJUnit4
-import com.android.settingslib.spa.framework.util.URLSPAN_TAG
-import com.android.settingslib.spa.framework.util.annotatedStringResource
 import com.android.settingslib.spa.test.R
 import com.google.common.truth.Truth.assertThat
 import org.junit.Rule
@@ -38,24 +38,34 @@
     @Test
     fun testAnnotatedStringResource() {
         composeTestRule.setContent {
-            val annotatedString = annotatedStringResource(R.string.test_annotated_string_resource, Color.Blue)
+            val annotatedString =
+                annotatedStringResource(R.string.test_annotated_string_resource)
 
             val annotations = annotatedString.getStringAnnotations(0, annotatedString.length)
-            assertThat(annotations).hasSize(1)
-            assertThat(annotations[0].start).isEqualTo(31)
-            assertThat(annotations[0].end).isEqualTo(35)
-            assertThat(annotations[0].tag).isEqualTo(URLSPAN_TAG)
-            assertThat(annotations[0].item).isEqualTo("https://www.google.com/")
+            assertThat(annotations).containsExactly(
+                AnnotatedString.Range(
+                    item = "https://www.android.com/",
+                    start = 31,
+                    end = 35,
+                    tag = URL_SPAN_TAG,
+                )
+            )
 
-            assertThat(annotatedString.spanStyles).hasSize(2)
-            assertThat(annotatedString.spanStyles[0].start).isEqualTo(22)
-            assertThat(annotatedString.spanStyles[0].end).isEqualTo(26)
-            assertThat(annotatedString.spanStyles[0].item).isEqualTo(
-                    SpanStyle(fontWeight = FontWeight.Bold, fontStyle = FontStyle.Normal))
-
-            assertThat(annotatedString.spanStyles[1].start).isEqualTo(31)
-            assertThat(annotatedString.spanStyles[1].end).isEqualTo(35)
-            assertThat(annotatedString.spanStyles[1].item).isEqualTo(SpanStyle(color = Color.Blue))
+            assertThat(annotatedString.spanStyles).containsExactly(
+                AnnotatedString.Range(
+                    item = SpanStyle(fontWeight = FontWeight.Bold, fontStyle = FontStyle.Normal),
+                    start = 22,
+                    end = 26,
+                ),
+                AnnotatedString.Range(
+                    item = SpanStyle(
+                        color = MaterialTheme.colorScheme.primary,
+                        textDecoration = TextDecoration.Underline,
+                    ),
+                    start = 31,
+                    end = 35,
+                ),
+            )
         }
     }
 }
diff --git a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/framework/util/AnnotatedTextTest.kt b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/framework/util/AnnotatedTextTest.kt
new file mode 100644
index 0000000..2c218e3
--- /dev/null
+++ b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/framework/util/AnnotatedTextTest.kt
@@ -0,0 +1,74 @@
+/*
+ * 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.framework.util
+
+import android.content.Context
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.ui.platform.LocalUriHandler
+import androidx.compose.ui.platform.UriHandler
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settingslib.spa.test.R
+import com.android.settingslib.spa.widget.ui.AnnotatedText
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.Mockito.verify
+import org.mockito.junit.MockitoJUnit
+import org.mockito.junit.MockitoRule
+
+@RunWith(AndroidJUnit4::class)
+class AnnotatedTextTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @get:Rule
+    val mockito: MockitoRule = MockitoJUnit.rule()
+
+    @Mock
+    private lateinit var uriHandler: UriHandler
+
+    private val context: Context = ApplicationProvider.getApplicationContext()
+
+    @Test
+    fun text_isDisplayed() {
+        composeTestRule.setContent {
+            AnnotatedText(R.string.test_annotated_string_resource)
+        }
+
+        composeTestRule.onNodeWithText(context.getString(R.string.test_annotated_string_resource))
+            .assertIsDisplayed()
+    }
+
+    @Test
+    fun onUriClick_openUri() {
+        composeTestRule.setContent {
+            CompositionLocalProvider(LocalUriHandler provides uriHandler) {
+                AnnotatedText(R.string.test_link)
+            }
+        }
+
+        composeTestRule.onNodeWithText(context.getString(R.string.test_link)).performClick()
+
+        verify(uriHandler).openUri("https://www.android.com/")
+    }
+}
diff --git a/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/AppInfoPage.kt b/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/AppInfoPage.kt
index 21c9e34..945f2e2 100644
--- a/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/AppInfoPage.kt
+++ b/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/AppInfoPage.kt
@@ -28,8 +28,7 @@
     title: String,
     packageName: String,
     userId: Int,
-    footerText: String,
-    footerContent: (@Composable () -> Unit)?,
+    footerContent: @Composable () -> Unit,
     packageManagers: IPackageManagers,
     content: @Composable PackageInfo.() -> Unit,
 ) {
@@ -41,10 +40,6 @@
 
         packageInfo.content()
 
-        if (footerContent != null) {
-            Footer(footerContent)
-        } else {
-            Footer(footerText)
-        }
+        Footer(footerContent)
     }
 }
diff --git a/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/TogglePermissionAppInfoPage.kt b/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/TogglePermissionAppInfoPage.kt
index 7c689c6..7f82be4 100644
--- a/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/TogglePermissionAppInfoPage.kt
+++ b/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/TogglePermissionAppInfoPage.kt
@@ -38,6 +38,7 @@
 import com.android.settingslib.spa.widget.preference.Preference
 import com.android.settingslib.spa.widget.preference.PreferenceModel
 import com.android.settingslib.spa.widget.preference.SwitchPreferenceModel
+import com.android.settingslib.spa.widget.ui.AnnotatedText
 import com.android.settingslib.spaprivileged.model.app.AppRecord
 import com.android.settingslib.spaprivileged.model.app.IPackageManagers
 import com.android.settingslib.spaprivileged.model.app.PackageManagers
@@ -140,8 +141,7 @@
         title = stringResource(pageTitleResId),
         packageName = packageName,
         userId = userId,
-        footerText = stringResource(footerResId),
-        footerContent = footerContent(),
+        footerContent = { AnnotatedText(footerResId) },
         packageManagers = packageManagers,
     ) {
         val model = createSwitchModel(applicationInfo)
diff --git a/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/TogglePermissionAppList.kt b/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/TogglePermissionAppList.kt
index f4b3204..1ab6230 100644
--- a/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/TogglePermissionAppList.kt
+++ b/packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/template/app/TogglePermissionAppList.kt
@@ -20,7 +20,6 @@
 import android.content.pm.ApplicationInfo
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.State
-import androidx.compose.ui.text.AnnotatedString
 import com.android.settingslib.spa.framework.common.SettingsEntryBuilder
 import com.android.settingslib.spa.framework.common.SettingsPageProvider
 import com.android.settingslib.spa.framework.compose.rememberContext
@@ -37,10 +36,7 @@
     val footerResId: Int
     val switchRestrictionKeys: List<String>
         get() = emptyList()
-    @Composable
-    fun footerContent(): (@Composable () -> Unit)? {
-        return null
-    }
+
     /**
      * Loads the extra info for the App List, and generates the [AppRecord] List.
      *