Continue work on CustomSeekBarPreference

lawnchair/res/layout/custom_seek_bar_preference.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="72dp"
+    android:gravity="center_vertical"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:text="TextView"
+        android:textAppearance="?attr/textAppearanceBody1" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="4dp"
+        android:layout_marginTop="4dp"
+        android:layout_marginEnd="16dp"
+        android:gravity="center_vertical"
+        android:orientation="horizontal">
+
+        <SeekBar
+            android:id="@+id/seek_bar"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1" />
+
+        <TextView
+            android:id="@+id/value_view"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="100"
+            android:textAppearance="?attr/textAppearanceBody2"
+            android:textColor="@color/material_on_surface_emphasis_medium" />
+    </LinearLayout>
+
+</LinearLayout>

lawnchair/res/values/attrs.xml

@@ -3,5 +3,7 @@
     <declare-styleable name="CustomSeekBarPreference">
         <attr name="minValue" format="integer" />
         <attr name="maxValue" format="integer" />
+        <attr name="snapEvery" format="integer" />
+        <attr name="asPercentages" format="boolean" />
     </declare-styleable>
 </resources>

lawnchair/res/xml/dock_settings.xml

@@ -23,7 +23,9 @@
         android:key="pref_dock_label_size"
         android:title="Label Size"
         app:showSeekBarValue="true"
+        lawnchair:snapEvery="10"
         lawnchair:minValue="50"
-        lawnchair:maxValue="150" />
+        lawnchair:maxValue="150"
+        lawnchair:asPercentages="true" />
 
 </PreferenceScreen>

lawnchair/src/ch/deletescape/lawnchair/settings/ui/preferences/CustomSeekBarPreference.kt

@@ -1,22 +1,35 @@
 package ch.deletescape.lawnchair.settings.ui.preferences
 
 import android.content.Context
+import android.os.Build
 import android.util.AttributeSet
 import android.util.Log
+import android.widget.SeekBar
+import android.widget.TextView
+import androidx.annotation.RequiresApi
 import androidx.preference.Preference
 import androidx.preference.PreferenceViewHolder
 import androidx.preference.SeekBarPreference
 import com.android.launcher3.R
 
-class CustomSeekBarPreference(context: Context, attrs: AttributeSet? = null) : SeekBarPreference(context, attrs), Preference.OnPreferenceChangeListener {
+class CustomSeekBarPreference(context: Context, attrs: AttributeSet? = null) : Preference(context, attrs), Preference.OnPreferenceChangeListener {
 
     private val minValue: Int
     private val maxValue: Int
+    private val snapEvery: Int
+    private val asPercentages: Boolean
+
+    private var displayedValue: Int = 0
+    private var realValue: Double = 0.0
 
     init {
+        widgetLayoutResource = R.layout.custom_seek_bar_preference
+        layoutResource = R.layout.custom_seek_bar_preference
         context.obtainStyledAttributes(attrs, R.styleable.CustomSeekBarPreference).apply {
-            minValue = this.getInt(R.styleable.CustomSeekBarPreference_minValue, 10)
+            minValue = this.getInt(R.styleable.CustomSeekBarPreference_minValue, 0)
             maxValue = this.getInt(R.styleable.CustomSeekBarPreference_maxValue, 100)
+            snapEvery = this.getInt(R.styleable.CustomSeekBarPreference_snapEvery, 1)
+            asPercentages = this.getBoolean(R.styleable.CustomSeekBarPreference_asPercentages, false)
             recycle()
         }
     }
@@ -24,11 +37,32 @@ class CustomSeekBarPreference(context: Context, attrs: AttributeSet? = null) : S
     override fun onBindViewHolder(view: PreferenceViewHolder?) {
         super.onBindViewHolder(view)
         onPreferenceChangeListener = this
-        Log.i(null, "$minValue")
+
+        val seekBar: SeekBar = view?.findViewById(R.id.seek_bar) as SeekBar
+        val valueView: TextView = view.findViewById(R.id.value_view) as TextView
+
+        seekBar.max = (maxValue - minValue) / snapEvery
+
+        seekBar.setOnSeekBarChangeListener(object:  SeekBar.OnSeekBarChangeListener {
+            override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
+                displayedValue = progress * snapEvery + minValue
+                realValue = if (asPercentages) displayedValue.toDouble() / 100 else displayedValue.toDouble()
+                valueView.text = if (asPercentages) "$displayedValue%" else "$displayedValue"
+            }
+
+            override fun onStartTrackingTouch(seekBar: SeekBar?) {
+
+            }
+
+            override fun onStopTrackingTouch(seekBar: SeekBar?) {
+
+            }
+
+        })
     }
 
     override fun onPreferenceChange(preference: Preference?, newValue: Any?): Boolean {
-        TODO("Not yet implemented")
+        return true
     }
 
 }