Turn flashlight on at startup bug resolved

Turn flashlight on at startup preferece is chosen and user navigates away to other app and coming back to this appthen flashlight will be turned on again. This regards to  issue #71

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

@@ -32,6 +32,7 @@ class MainActivity : SimpleActivity() {
     private var mBus: Bus? = null
     private var mCameraImpl: MyCameraImpl? = null
     private var mIsFlashlightOn = false
+    private var reTurnFlashlightOn = true
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -42,6 +43,7 @@ class MainActivity : SimpleActivity() {
         changeIconColor(getContrastColor(), stroboscope_btn)
 
         bright_display_btn.setOnClickListener {
+            reTurnFlashlightOn = false
             startActivity(Intent(applicationContext, BrightDisplayActivity::class.java))
         }
 
@@ -85,6 +87,11 @@ class MainActivity : SimpleActivity() {
 
         requestedOrientation = if (config.forcePortraitMode) ActivityInfo.SCREEN_ORIENTATION_PORTRAIT else ActivityInfo.SCREEN_ORIENTATION_SENSOR
         invalidateOptionsMenu()
+
+        if(config.turnFlashlightOn && reTurnFlashlightOn){
+            mCameraImpl!!.enableFlashlight()
+        }
+        reTurnFlashlightOn = true
     }
 
     override fun onStart() {
@@ -141,10 +148,12 @@ class MainActivity : SimpleActivity() {
     }
 
     private fun launchSettings() {
+        reTurnFlashlightOn = false
         startActivity(Intent(applicationContext, SettingsActivity::class.java))
     }
 
     private fun launchAbout() {
+        reTurnFlashlightOn = false
         val licenses = LICENSE_OTTO
 
         val faqItems = arrayListOf(

build.gradle

@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.6.1'
+        classpath 'com.android.tools.build:gradle:3.6.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong