adding Stetho in debug builds

app/build.gradle

@@ -42,6 +42,7 @@ android {
 
 dependencies {
     implementation 'com.simplemobiletools:commons:3.14.12'
+    implementation 'com.facebook.stetho:stetho:1.5.0'
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
 }
 

app/src/main/AndroidManifest.xml

@@ -4,6 +4,7 @@
     package="com.simplemobiletools.clock">
 
     <application
+        android:name=".App"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_launcher_name"

app/src/main/kotlin/com/simplemobiletools/clock/App.kt

@@ -0,0 +1,16 @@
+package com.simplemobiletools.clock
+
+import android.app.Application
+import com.facebook.stetho.Stetho
+import com.simplemobiletools.commons.extensions.checkUseEnglish
+
+class App : Application() {
+    override fun onCreate() {
+        super.onCreate()
+        if (BuildConfig.DEBUG) {
+            Stetho.initializeWithDefaults(this)
+        }
+
+        checkUseEnglish()
+    }
+}