add a Save menu button

app/build.gradle

@@ -37,7 +37,7 @@ android {
 }
 
 dependencies {
-    compile 'com.simplemobiletools:commons:2.30.14'
+    compile 'com.simplemobiletools:commons:2.31.0'
     compile 'com.bignerdranch.android:recyclerview-multiselect:0.2'
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 

app/src/main/kotlin/com/simplemobiletools/filemanager/activities/ReadTextActivity.kt

@@ -1,6 +1,8 @@
 package com.simplemobiletools.filemanager.activities
 
 import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
 import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.helpers.PERMISSION_WRITE_STORAGE
 import com.simplemobiletools.filemanager.R
@@ -23,6 +25,23 @@ class ReadTextActivity : SimpleActivity() {
         }
     }
 
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.menu_editor, menu)
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.menu_save -> saveText()
+            else -> return super.onOptionsItemSelected(item)
+        }
+        return true
+    }
+
+    private fun saveText() {
+
+    }
+
     private fun checkIntent() {
         read_text_view.setTextColor(config.textColor)
         val uri = intent.data

app/src/main/res/menu/menu_editor.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/menu_save"
+        android:icon="@drawable/ic_save"
+        android:title="@string/save_as"
+        app:showAsAction="ifRoom"/>
+</menu>