Add an option to show/hide contact thumbnails

app/src/main/kotlin/com/simplemobiletools/contacts/activities/MainActivity.kt

@@ -42,6 +42,7 @@ class MainActivity : SimpleActivity(), RefreshContactsListener {
     private var storedTextColor = 0
     private var storedBackgroundColor = 0
     private var storedPrimaryColor = 0
+    private var storedShowContactThumbnails = false
     private var storedShowPhoneNumbers = false
     private var storedStartNameWithSurname = false
 
@@ -76,6 +77,11 @@ class MainActivity : SimpleActivity(), RefreshContactsListener {
             return
         }
 
+        if (storedShowContactThumbnails != config.showContactThumbnails) {
+            restartActivity()
+            return
+        }
+
         if (storedShowPhoneNumbers != config.showPhoneNumbers) {
             restartActivity()
             return
@@ -154,6 +160,7 @@ class MainActivity : SimpleActivity(), RefreshContactsListener {
             storedTextColor = textColor
             storedBackgroundColor = backgroundColor
             storedPrimaryColor = primaryColor
+            storedShowContactThumbnails = showContactThumbnails
             storedShowPhoneNumbers = showPhoneNumbers
             storedStartNameWithSurname = startNameWithSurname
         }

app/src/main/kotlin/com/simplemobiletools/contacts/activities/SettingsActivity.kt

@@ -21,6 +21,7 @@ class SettingsActivity : SimpleActivity() {
         setupCustomizeColors()
         setupUseEnglish()
         setupShowInfoBubble()
+        setupShowContactThumbnails()
         setupShowPhoneNumbers()
         setupCallContactOnClick()
         setupStartNameWithSurname()
@@ -51,6 +52,14 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
+    private fun setupShowContactThumbnails() {
+        settings_show_contact_thumbnails.isChecked = config.showContactThumbnails
+        settings_show_contact_thumbnails_holder.setOnClickListener {
+            settings_show_contact_thumbnails.toggle()
+            config.showContactThumbnails = settings_show_contact_thumbnails.isChecked
+        }
+    }
+
     private fun setupShowPhoneNumbers() {
         settings_show_phone_numbers.isChecked = config.showPhoneNumbers
         settings_show_phone_numbers_holder.setOnClickListener {

app/src/main/kotlin/com/simplemobiletools/contacts/adapters/ContactsAdapter.kt

@@ -33,10 +33,12 @@ class ContactsAdapter(activity: SimpleActivity, var contactItems: MutableList<Co
     lateinit private var contactDrawable: Drawable
     var config = activity.config
     var startNameWithSurname: Boolean
+    var showContactThumbnails: Boolean
     var showPhoneNumbers: Boolean
 
     init {
         initDrawables()
+        showContactThumbnails = config.showContactThumbnails
         showPhoneNumbers = config.showPhoneNumbers
         startNameWithSurname = config.startNameWithSurname
     }
@@ -190,16 +192,20 @@ class ContactsAdapter(activity: SimpleActivity, var contactItems: MutableList<Co
             contact_number?.text = contact.phoneNumbers.firstOrNull()?.value ?: ""
             contact_number?.setTextColor(textColor)
 
-            if (contact.photoUri.isNotEmpty()) {
+            if (showContactThumbnails) {
-                val options = RequestOptions()
+                if (contact.photoUri.isNotEmpty()) {
-                        .signature(ObjectKey(contact.photoUri))
+                    val options = RequestOptions()
-                        .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
+                            .signature(ObjectKey(contact.photoUri))
-                        .error(contactDrawable)
+                            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
-                        .centerCrop()
+                            .error(contactDrawable)
+                            .centerCrop()
 
-                Glide.with(activity).load(contact.photoUri).transition(DrawableTransitionOptions.withCrossFade()).apply(options).into(contact_tmb)
+                    Glide.with(activity).load(contact.photoUri).transition(DrawableTransitionOptions.withCrossFade()).apply(options).into(contact_tmb)
+                } else {
+                    contact_tmb.setImageDrawable(contactDrawable)
+                }
             } else {
-                contact_tmb.setImageDrawable(contactDrawable)
+                contact_tmb.visibility = View.GONE
             }
         }
     }

app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Config.kt

@@ -24,6 +24,10 @@ class Config(context: Context) : BaseConfig(context) {
 
     fun showAllContacts() = displayContactSources.size == 1 && displayContactSources.first() == "-1"
 
+    var showContactThumbnails : Boolean
+        get() = prefs.getBoolean(SHOW_CONTACT_THUMBNAILS, true)
+        set(showContactThumbnails) = prefs.edit().putBoolean(SHOW_CONTACT_THUMBNAILS, showContactThumbnails).apply()
+
     var showPhoneNumbers: Boolean
         get() = prefs.getBoolean(SHOW_PHONE_NUMBERS, false)
         set(showPhoneNumbers) = prefs.edit().putBoolean(SHOW_PHONE_NUMBERS, showPhoneNumbers).apply()

app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Constants.kt

@@ -4,6 +4,7 @@ import android.provider.ContactsContract.CommonDataKinds
 
 // shared prefs
 val CALL_CONTACT_ON_CLICK = "call_contact_on_click"
+val SHOW_CONTACT_THUMBNAILS = "show_contact_thumbnails"
 val SHOW_PHONE_NUMBERS = "show_phone_numbers"
 val DISPLAY_CONTACT_SOURCES = "display_contact_sources"
 val START_NAME_WITH_SURNAME = "start_name_with_surname"

app/src/main/res/layout/activity_settings.xml

@@ -70,6 +70,26 @@
 
         </RelativeLayout>
 
+        <RelativeLayout
+            android:id="@+id/settings_show_contact_thumbnails_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:background="?attr/selectableItemBackground"
+            android:padding="@dimen/activity_margin">
+
+            <com.simplemobiletools.commons.views.MySwitchCompat
+                android:id="@+id/settings_show_contact_thumbnails"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="@null"
+                android:clickable="false"
+                android:paddingLeft="@dimen/medium_margin"
+                android:paddingStart="@dimen/medium_margin"
+                android:text="@string/show_contact_avatars"/>
+
+        </RelativeLayout>
+
         <RelativeLayout
             android:id="@+id/settings_show_phone_numbers_holder"
             android:layout_width="match_parent"