Merge "[Expressive design] support set check button in SegmentButton" into main (6a732cea) · Commits · e / os / android_frameworks_base

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

+33 −8

Original line number	Diff line number	Diff line
		@@ -18,10 +18,10 @@ package com.android.settingslib.widget

		import android.content.Context
		import android.util.AttributeSet
		import android.view.View.GONE
		import android.view.View.VISIBLE
		import android.view.View
		import android.widget.TextView
		import androidx.annotation.DrawableRes
		import androidx.core.view.isGone
		import androidx.preference.Preference
		import androidx.preference.PreferenceViewHolder
		import com.android.settingslib.widget.preference.segmentedbutton.R
		@@ -43,6 +43,9 @@ class SegmentedButtonPreference @JvmOverloads constructor(
		private val buttonVisibilityData = mutableListOf<Pair<Int, Boolean>>() // (index, visibility)
		private val buttonEnableData = mutableListOf<Pair<Int, Boolean>>() // (index, enable)

		// Default checked button
		private var checkedIndex: Int = -1

		init {
		layoutResource = R.layout.settingslib_expressive_preference_segmentedbutton
		}
		@@ -62,6 +65,7 @@ class SegmentedButtonPreference @JvmOverloads constructor(
		applyButtonSetupData()
		applyButtonVisibilityData()
		applyButtonEnableData()
		applyCheckIndex(checkedIndex)
		buttonGroup?.apply {
		clearOnButtonCheckedListeners()
		buttonCheckedListener?.let { listener ->
		@@ -100,6 +104,21 @@ class SegmentedButtonPreference @JvmOverloads constructor(
		}
		}

		fun setCheckedIndex(index: Int) {
		if (buttonGroup == null) {
		// Store data for later application
		checkedIndex = index
		} else {
		// Apply data
		applyCheckIndex(index)
		}
		}

		fun getCheckedIndex(): Int {
		val checkedButtonId = buttonGroup?.checkedButtonId ?: return -1
		return buttonGroup?.indexOfChild(buttonGroup?.findViewById(checkedButtonId)) ?: -1
		}

		fun setOnButtonClickListener(listener: MaterialButtonToggleGroup.OnButtonCheckedListener) {
		buttonCheckedListener = listener
		notifyChanged()
		@@ -140,16 +159,22 @@ class SegmentedButtonPreference @JvmOverloads constructor(

		private fun applyButtonVisibilityData(index: Int, visible: Boolean) {
		if (index in 0 until buttonLabels.size) {
		(buttonGroup?.getChildAt(index) as? MaterialButton)?.visibility =
		if (visible) VISIBLE else GONE

		buttonLabels[index].visibility = if (visible) VISIBLE else GONE
		buttonGroup?.getChildAt(index)?.isGone = !visible
		buttonLabels[index].isGone = !visible
		}
		}

		private fun applyButtonEnableData(index: Int, enabled: Boolean) {
		if (index in 0 until buttonLabels.size) {
		(buttonGroup?.getChildAt(index) as? MaterialButton)?.isEnabled = enabled
		buttonGroup?.getChildAt(index)?.isEnabled = enabled
		}

		private fun applyCheckIndex(index: Int) {
		buttonGroup?.getChildAt(index)?.let { button ->
		if (button.id == View.NO_ID \|\| button.isGone) {
		return
		}

		buttonGroup?.check(button.id)
		}
		}
		}
		No newline at end of file