Merge "[Expressive design] support hyperlink" into main (7cc648a9) · Commits · e / os / android_frameworks_base

packages/SettingsLib/SettingsTheme/src/com/android/settingslib/widget/CollapsableTextView.kt

+47 −0

Original line number	Diff line number	Diff line
		@@ -18,8 +18,12 @@ package com.android.settingslib.widget

		import android.content.Context
		import android.graphics.drawable.Drawable
		import android.text.Spannable
		import android.text.SpannableString
		import android.text.TextPaint
		import android.text.TextUtils
		import android.text.method.LinkMovementMethod
		import android.text.style.ClickableSpan
		import android.text.style.URLSpan
		import android.util.AttributeSet
		import android.view.Gravity
		@@ -43,6 +47,7 @@ class CollapsableTextView @JvmOverloads constructor(
		private val titleTextView: TextView
		private val collapseButton: MaterialButton
		private val collapseButtonResources: CollapseButtonResources
		private var hyperlinkListener: View.OnClickListener? = null
		private var learnMoreListener: View.OnClickListener? = null
		private var learnMoreText: CharSequence? = null
		private var learnMoreSpan: LearnMoreSpan? = null
		@@ -142,6 +147,45 @@ class CollapsableTextView @JvmOverloads constructor(
		}
		}

		fun setHyperlinkListener(listener: View.OnClickListener?) {
		if (hyperlinkListener != listener) {
		hyperlinkListener = listener
		linkifyTitle()
		}
		}

		private fun linkifyTitle() {
		var text = titleTextView.text.toString()
		val beginIndex = text.indexOf(LINK_BEGIN_MARKER)
		text = text.replace(LINK_BEGIN_MARKER, "")
		val endIndex = text.indexOf(LINK_END_MARKER)
		text = text.replace(LINK_END_MARKER, "")
		titleTextView.text = text
		if (beginIndex == -1 \|\| endIndex == -1 \|\| beginIndex >= endIndex) {
		return
		}

		titleTextView.setText(text, TextView.BufferType.SPANNABLE)
		titleTextView.movementMethod = LinkMovementMethod.getInstance()
		val spannableContent = titleTextView.getText() as Spannable
		val spannableLink = object : ClickableSpan() {
		override fun onClick(widget: View) {
		hyperlinkListener?.onClick(widget)
		}

		override fun updateDrawState(ds: TextPaint) {
		super.updateDrawState(ds)
		ds.isUnderlineText = true
		}
		}
		spannableContent.setSpan(
		spannableLink,
		beginIndex,
		endIndex,
		Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
		)
		}

		private fun formatLearnMoreText() {
		if (learnMoreListener == null \|\| TextUtils.isEmpty(learnMoreText)) {
		learnMoreTextView.visibility = GONE
		@@ -192,6 +236,9 @@ class CollapsableTextView @JvmOverloads constructor(
		private const val DEFAULT_MAX_LINES = 10
		private const val DEFAULT_MIN_LINES = 2

		private const val LINK_BEGIN_MARKER = "LINK_BEGIN"
		private const val LINK_END_MARKER = "LINK_END"

		private val Attrs = R.styleable.CollapsableTextView
		private val GravityAttr = R.styleable.CollapsableTextView_android_gravity
		}

packages/SettingsLib/TopIntroPreference/src/com/android/settingslib/widget/TopIntroPreference.kt

+16 −0

Original line number	Diff line number	Diff line
		@@ -35,6 +35,7 @@ open class TopIntroPreference @JvmOverloads constructor(

		private var isCollapsable: Boolean = false
		private var minLines: Int = 2
		private var hyperlinkListener: View.OnClickListener? = null
		private var learnMoreListener: View.OnClickListener? = null
		private var learnMoreText: CharSequence? = null

		@@ -75,6 +76,9 @@ open class TopIntroPreference @JvmOverloads constructor(
		setCollapsable(isCollapsable)
		setMinLines(minLines)
		setText(title.toString())
		if (hyperlinkListener != null) {
		setHyperlinkListener(hyperlinkListener)
		}
		if (learnMoreListener != null) {
		setLearnMoreText(learnMoreText)
		setLearnMoreAction(learnMoreListener)
		@@ -102,6 +106,18 @@ open class TopIntroPreference @JvmOverloads constructor(
		notifyChanged()
		}

		/**
		* Sets the action when clicking on the hyperlink in the text.
		* @param listener The click listener for hyperlink.
		*/
		@RequiresApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
		fun setHyperlinkListener(listener: View.OnClickListener) {
		if (hyperlinkListener != listener) {
		hyperlinkListener = listener
		notifyChanged()
		}
		}

		/**
		* Sets the action when clicking on the learn more view.
		* @param listener The click listener for learn more.