Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3ca6e05a authored by Mill Chen's avatar Mill Chen
Browse files

[Expressive design] support hyperlink 

Bug: 367394720
Test: visual
Flag: EXEMPT bug fix
Change-Id: I7e3c974186d71ddf3c27ce25432d8de763ef33cf
parent 54d324e7

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.