From a0d9596968d4a653d454c38c7ef35f7620eabf0f Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Sun, 10 May 2020 23:07:09 +0200
Subject: [PATCH] adding a letters fastscroller at the dialpad

---
 .../dialer/activities/DialpadActivity.kt      | 20 +++++++++++++++
 app/src/main/res/layout/activity_dialpad.xml  | 25 +++++++++++++++++++
 2 files changed, 45 insertions(+)

diff --git a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialpadActivity.kt b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialpadActivity.kt
index a4edb922..8ac5cb23 100644
--- a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialpadActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialpadActivity.kt
@@ -3,6 +3,7 @@ package com.simplemobiletools.dialer.activities
 import android.annotation.TargetApi
 import android.content.Intent
 import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
@@ -13,6 +14,7 @@ import android.view.KeyEvent
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
+import com.reddit.indicatorfastscroll.FastScrollItemIndicator
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.REQUEST_CODE_SET_DEFAULT_DIALER
 import com.simplemobiletools.commons.helpers.SimpleContactsHelper
@@ -29,6 +31,8 @@ import com.simplemobiletools.dialer.models.SpeedDial
 import kotlinx.android.synthetic.main.activity_dialpad.*
 import kotlinx.android.synthetic.main.activity_dialpad.dialpad_holder
 import kotlinx.android.synthetic.main.dialpad.*
+import java.util.*
+import kotlin.collections.ArrayList
 
 class DialpadActivity : SimpleActivity() {
     private var contacts = ArrayList<SimpleContact>()
@@ -78,6 +82,12 @@ class DialpadActivity : SimpleActivity() {
         val callIcon = resources.getColoredDrawableWithColor(R.drawable.ic_phone_vector, if (isBlackAndWhiteTheme()) Color.BLACK else config.primaryColor.getContrastColor())
         dialpad_call_button.setImageDrawable(callIcon)
         dialpad_call_button.background.applyColorFilter(getAdjustedPrimaryColor())
+
+        letter_fastscroller.textColor = config.textColor.getColorStateList()
+        letter_fastscroller_thumb.setupWithFastScroller(letter_fastscroller)
+        letter_fastscroller_thumb.textColor = config.primaryColor.getContrastColor()
+
+        dialpad_bottom_background.background = ColorDrawable(config.backgroundColor)
     }
 
     override fun onResume() {
@@ -177,6 +187,16 @@ class DialpadActivity : SimpleActivity() {
             !it.doesContainPhoneNumber(text)
         }).toMutableList() as ArrayList<SimpleContact>
 
+        letter_fastscroller.setupWithRecyclerView(dialpad_list, { position ->
+            try {
+                val name = filtered[position].name
+                val character = if (name.isNotEmpty()) name.substring(0, 1) else ""
+                FastScrollItemIndicator.Text(character.toUpperCase(Locale.getDefault()))
+            } catch (e: Exception) {
+                FastScrollItemIndicator.Text("")
+            }
+        })
+
         ContactsAdapter(this, filtered, dialpad_list, text) {
             startCallIntent((it as SimpleContact).phoneNumber)
         }.apply {
diff --git a/app/src/main/res/layout/activity_dialpad.xml b/app/src/main/res/layout/activity_dialpad.xml
index ab418289..bc02af03 100644
--- a/app/src/main/res/layout/activity_dialpad.xml
+++ b/app/src/main/res/layout/activity_dialpad.xml
@@ -17,6 +17,23 @@
         app:layout_constraintBottom_toTopOf="@+id/dialpad_input"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <com.reddit.indicatorfastscroll.FastScrollerView
+        android:id="@+id/letter_fastscroller"
+        android:layout_width="32dp"
+        android:layout_height="wrap_content"
+        android:gravity="top"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/dialpad_list" />
+
+    <com.reddit.indicatorfastscroll.FastScrollerThumbView
+        android:id="@+id/letter_fastscroller_thumb"
+        android:layout_width="@dimen/fab_size"
+        android:layout_height="0dp"
+        android:layout_marginEnd="@dimen/activity_margin"
+        app:layout_constraintBottom_toBottomOf="@+id/dialpad_list"
+        app:layout_constraintEnd_toStartOf="@+id/letter_fastscroller"
+        app:layout_constraintTop_toTopOf="@+id/dialpad_list" />
+
     <TextView
         android:id="@+id/dialpad_divider"
         android:layout_width="match_parent"
@@ -24,6 +41,14 @@
         android:background="@drawable/divider"
         app:layout_constraintBottom_toTopOf="@+id/dialpad_input" />
 
+    <ImageView
+        android:id="@+id/dialpad_bottom_background"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:src="@color/theme_dark_background_color"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/dialpad_divider" />
+
     <com.simplemobiletools.commons.views.MyEditText
         android:id="@+id/dialpad_input"
         android:layout_width="0dp"