adding Settings activity

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

@@ -1,9 +1,13 @@
 package com.simplemobiletools.keyboard.activities
 
 import android.os.Bundle
-import com.simplemobiletools.commons.extensions.appLaunched
-import com.simplemobiletools.keyboard.BuildConfig
+import android.view.Menu
+import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.keyboard.R
+import com.simplemobiletools.keyboard.extensions.config
+import kotlinx.android.synthetic.main.activity_settings.*
+import java.util.*
+import kotlin.system.exitProcess
 
 class SettingsActivity : SimpleActivity() {
 
@@ -11,4 +15,65 @@ class SettingsActivity : SimpleActivity() {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_settings)
     }
+
+    override fun onResume() {
+        super.onResume()
+
+        setupPurchaseThankYou()
+        setupCustomizeColors()
+        setupUseEnglish()
+
+        updateTextColors(settings_scrollview)
+
+        arrayOf(settings_color_customization_label, settings_general_settings_label).forEach {
+            it.setTextColor(getAdjustedPrimaryColor())
+        }
+
+        arrayOf(settings_color_customization_holder, settings_general_settings_holder).forEach {
+            it.background.applyColorFilter(baseConfig.backgroundColor.getContrastColor())
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        updateMenuItemColors(menu)
+        return super.onCreateOptionsMenu(menu)
+    }
+
+    private fun setupPurchaseThankYou() {
+        settings_purchase_thank_you_holder.beGoneIf(isOrWasThankYouInstalled())
+
+        // make sure the corners at ripple fit the stroke rounded corners
+        if (settings_purchase_thank_you_holder.isGone()) {
+            settings_use_english_holder.background = resources.getDrawable(R.drawable.ripple_all_corners, theme)
+        }
+
+        settings_purchase_thank_you_holder.setOnClickListener {
+            handleCustomizeColorsClick()
+        }
+    }
+
+    private fun setupCustomizeColors() {
+        settings_customize_colors_label.text = getCustomizeColorsString()
+        settings_customize_colors_holder.setOnClickListener {
+            handleCustomizeColorsClick()
+        }
+    }
+
+    private fun setupUseEnglish() {
+        settings_use_english_holder.beVisibleIf(config.wasUseEnglishToggled || Locale.getDefault().language != "en")
+        settings_use_english.isChecked = config.useEnglish
+
+        if (settings_use_english_holder.isGone() && settings_purchase_thank_you_holder.isGone()) {
+            settings_general_settings_label.beGone()
+            settings_general_settings_holder.beGone()
+        } else if (settings_use_english_holder.isGone()) {
+            settings_purchase_thank_you_holder.background = resources.getDrawable(R.drawable.ripple_all_corners, theme)
+        }
+
+        settings_use_english_holder.setOnClickListener {
+            settings_use_english.toggle()
+            config.useEnglish = settings_use_english.isChecked
+            exitProcess(0)
+        }
+    }
 }

app/src/main/kotlin/com/simplemobiletools/keyboard/extensions/Context.kt

@@ -0,0 +1,6 @@
+package com.simplemobiletools.keyboard.extensions
+
+import android.content.Context
+import com.simplemobiletools.keyboard.helpers.Config
+
+val Context.config: Config get() = Config.newInstance(applicationContext)

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

@@ -0,0 +1,10 @@
+package com.simplemobiletools.keyboard.helpers
+
+import android.content.Context
+import com.simplemobiletools.commons.helpers.BaseConfig
+
+class Config(context: Context) : BaseConfig(context) {
+    companion object {
+        fun newInstance(context: Context) = Config(context)
+    }
+}