allow customizing the text size

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

@@ -7,8 +7,10 @@ import android.os.Bundle
 import android.view.Menu
 import com.simplemobiletools.commons.activities.ManageBlockedNumbersActivity
 import com.simplemobiletools.commons.dialogs.ChangeDateTimeFormatDialog
+import com.simplemobiletools.commons.dialogs.RadioGroupDialog
 import com.simplemobiletools.commons.extensions.*
-import com.simplemobiletools.commons.helpers.isNougatPlus
+import com.simplemobiletools.commons.helpers.*
+import com.simplemobiletools.commons.models.RadioItem
 import com.simplemobiletools.smsmessenger.R
 import com.simplemobiletools.smsmessenger.extensions.config
 import com.simplemobiletools.smsmessenger.helpers.refreshMessages
@@ -31,6 +33,7 @@ class SettingsActivity : SimpleActivity() {
         setupUseEnglish()
         setupManageBlockedNumbers()
         setupChangeDateTimeFormat()
+        setupFontSize()
         updateTextColors(settings_scrollview)
 
         if (blockedNumbersAtPause != -1 && blockedNumbersAtPause != getBlockedNumbers().hashCode()) {
@@ -87,4 +90,20 @@ class SettingsActivity : SimpleActivity() {
             }
         }
     }
+
+    private fun setupFontSize() {
+        settings_font_size.text = getFontSizeText()
+        settings_font_size_holder.setOnClickListener {
+            val items = arrayListOf(
+                RadioItem(FONT_SIZE_SMALL, getString(R.string.small)),
+                RadioItem(FONT_SIZE_MEDIUM, getString(R.string.medium)),
+                RadioItem(FONT_SIZE_LARGE, getString(R.string.large)),
+                RadioItem(FONT_SIZE_EXTRA_LARGE, getString(R.string.extra_large)))
+
+            RadioGroupDialog(this@SettingsActivity, items, config.fontSize) {
+                config.fontSize = it as Int
+                settings_font_size.text = getFontSizeText()
+            }
+        }
+    }
 }

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

@@ -1,5 +1,6 @@
 package com.simplemobiletools.smsmessenger.adapters
 
+import android.util.TypedValue
 import android.view.Menu
 import android.view.View
 import android.view.ViewGroup
@@ -7,6 +8,7 @@ import android.widget.ImageView
 import android.widget.TextView
 import com.bumptech.glide.Glide
 import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
+import com.simplemobiletools.commons.extensions.getTextSize
 import com.simplemobiletools.commons.helpers.SimpleContactsHelper
 import com.simplemobiletools.commons.models.SimpleContact
 import com.simplemobiletools.commons.views.FastScroller
@@ -17,6 +19,7 @@ import java.util.*
 
 class ContactsAdapter(activity: SimpleActivity, var contacts: ArrayList<SimpleContact>, recyclerView: MyRecyclerView, fastScroller: FastScroller?,
                       itemClick: (Any) -> Unit) : MyRecyclerViewAdapter(activity, recyclerView, fastScroller, itemClick) {
+    private var fontSize = activity.getTextSize()
 
     override fun getActionMenuId() = 0
 
@@ -57,11 +60,17 @@ class ContactsAdapter(activity: SimpleActivity, var contacts: ArrayList<SimpleCo
 
     private fun setupView(view: View, contact: SimpleContact) {
         view.apply {
-            findViewById<TextView>(R.id.item_contact_name).text = contact.name
+            findViewById<TextView>(R.id.item_contact_name).apply {
-            findViewById<TextView>(R.id.item_contact_name).setTextColor(textColor)
+                text = contact.name
+                setTextColor(textColor)
+                setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize * 1.2f)
+            }
 
-            findViewById<TextView>(R.id.item_contact_number).text = contact.phoneNumber
+            findViewById<TextView>(R.id.item_contact_number).apply {
-            findViewById<TextView>(R.id.item_contact_number).setTextColor(textColor)
+                text = contact.phoneNumber
+                setTextColor(textColor)
+                setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize)
+            }
 
             SimpleContactsHelper(context).loadContactImage(contact.photoUri, findViewById(R.id.item_contact_image), contact.name)
         }

app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ConversationsAdapter.kt

@@ -3,6 +3,7 @@ package com.simplemobiletools.smsmessenger.adapters
 import android.content.Intent
 import android.graphics.Typeface
 import android.text.TextUtils
+import android.util.TypedValue
 import android.view.Menu
 import android.view.View
 import android.view.ViewGroup
@@ -12,6 +13,7 @@ import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
 import com.simplemobiletools.commons.dialogs.ConfirmationDialog
 import com.simplemobiletools.commons.extensions.addBlockedNumber
 import com.simplemobiletools.commons.extensions.formatDateOrTime
+import com.simplemobiletools.commons.extensions.getTextSize
 import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.helpers.KEY_PHONE
 import com.simplemobiletools.commons.helpers.SimpleContactsHelper
@@ -28,6 +30,7 @@ import kotlinx.android.synthetic.main.item_conversation.view.*
 
 class ConversationsAdapter(activity: SimpleActivity, var conversations: ArrayList<Conversation>, recyclerView: MyRecyclerView, fastScroller: FastScroller,
                            itemClick: (Any) -> Unit) : MyRecyclerViewAdapter(activity, recyclerView, fastScroller, itemClick) {
+    private var fontSize = activity.getTextSize()
 
     init {
         setupDragListener(true)
@@ -186,9 +189,20 @@ class ConversationsAdapter(activity: SimpleActivity, var conversations: ArrayLis
         view.apply {
             conversation_frame.isSelected = selectedKeys.contains(conversation.thread_id)
 
-            conversation_address.text = conversation.title
+            conversation_address.apply {
-            conversation_body_short.text = conversation.snippet
+                text = conversation.title
-            conversation_date.text = conversation.date.formatDateOrTime(context, true)
+                setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize * 1.2f)
+            }
+
+            conversation_body_short.apply {
+                text = conversation.snippet
+                setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize)
+            }
+
+            conversation_date.apply {
+                text = conversation.date.formatDateOrTime(context, true)
+                setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize * 0.8f)
+            }
 
             if (conversation.read) {
                 conversation_address.setTypeface(null, Typeface.NORMAL)

app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt

@@ -5,6 +5,7 @@ import android.content.Intent
 import android.graphics.drawable.Drawable
 import android.net.Uri
 import android.telephony.SubscriptionManager
+import android.util.TypedValue
 import android.view.Menu
 import android.view.View
 import android.view.ViewGroup
@@ -42,8 +43,8 @@ import kotlinx.android.synthetic.main.item_thread_date_time.view.*
 
 class ThreadAdapter(activity: SimpleActivity, var messages: ArrayList<ThreadItem>, recyclerView: MyRecyclerView, fastScroller: FastScroller,
                     itemClick: (Any) -> Unit) : MyRecyclerViewAdapter(activity, recyclerView, fastScroller, itemClick) {
-
     private val roundedCornersRadius = resources.getDimension(R.dimen.normal_margin).toInt()
+    private var fontSize = activity.getTextSize()
 
     @SuppressLint("MissingPermission")
     private val hasMultipleSIMCards = SubscriptionManager.from(activity).activeSubscriptionInfoList?.size ?: 0 > 1
@@ -181,7 +182,10 @@ class ThreadAdapter(activity: SimpleActivity, var messages: ArrayList<ThreadItem
     private fun setupView(view: View, message: Message) {
         view.apply {
             thread_message_holder.isSelected = selectedKeys.contains(message.id)
-            thread_message_body.text = message.body
+            thread_message_body.apply {
+                text = message.body
+                setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize)
+            }
             thread_message_body.beVisibleIf(message.body.isNotEmpty())
 
             if (message.isReceivedMessage()) {
@@ -286,7 +290,10 @@ class ThreadAdapter(activity: SimpleActivity, var messages: ArrayList<ThreadItem
 
     private fun setupDateTime(view: View, dateTime: ThreadDateTime) {
         view.apply {
-            thread_date_time.text = dateTime.date.formatDateOrTime(context, false)
+            thread_date_time.apply {
+                text = dateTime.date.formatDateOrTime(context, false)
+                setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize)
+            }
             thread_date_time.setTextColor(textColor)
 
             thread_sim_icon.beVisibleIf(hasMultipleSIMCards)

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

@@ -117,5 +117,37 @@
                 app:switchPadding="@dimen/medium_margin" />
 
         </RelativeLayout>
+
+        <RelativeLayout
+            android:id="@+id/settings_font_size_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:background="?attr/selectableItemBackground"
+            android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
+            android:paddingRight="@dimen/normal_margin"
+            android:paddingBottom="@dimen/activity_margin">
+
+            <com.simplemobiletools.commons.views.MyTextView
+                android:id="@+id/settings_font_size_label"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_centerVertical="true"
+                android:layout_toStartOf="@+id/settings_font_size"
+                android:paddingLeft="@dimen/medium_margin"
+                android:paddingRight="@dimen/medium_margin"
+                android:text="@string/font_size" />
+
+            <com.simplemobiletools.commons.views.MyTextView
+                android:id="@+id/settings_font_size"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentEnd="true"
+                android:layout_marginEnd="@dimen/medium_margin"
+                android:background="@null"
+                android:clickable="false" />
+
+        </RelativeLayout>
     </LinearLayout>
 </ScrollView>