adding Leak Canary

app/build.gradle

@@ -20,10 +20,14 @@ android {
     }
 
     buildTypes {
+        debug {
+            buildConfigField "boolean", "USE_LEAK_CANARY", "true"
+        }
         release {
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
             signingConfig signingConfigs.release
+            buildConfigField "boolean", "USE_LEAK_CANARY", "false"
         }
     }
 
@@ -37,8 +41,15 @@ android {
     }
 }
 
+ext {
+    leakCanaryVersion = '1.5.4'
+}
+
 dependencies {
-    compile 'com.simplemobiletools:commons:2.41.5'
+    implementation 'com.simplemobiletools:commons:2.41.5'
+
+    debugImplementation "com.squareup.leakcanary:leakcanary-android:$leakCanaryVersion"
+    releaseImplementation "com.squareup.leakcanary:leakcanary-android-no-op:$leakCanaryVersion"
 }
 
 Properties props = new Properties()

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

@@ -1,12 +1,20 @@
 package com.simplemobiletools.camera
 
 import android.app.Application
+import com.simplemobiletools.camera.BuildConfig.USE_LEAK_CANARY
 import com.simplemobiletools.camera.extensions.config
+import com.squareup.leakcanary.LeakCanary
 import java.util.*
 
 class App : Application() {
     override fun onCreate() {
         super.onCreate()
+        if (USE_LEAK_CANARY) {
+            if (LeakCanary.isInAnalyzerProcess(this)) {
+                return
+            }
+            LeakCanary.install(this)
+        }
 
         if (config.useEnglish) {
             val conf = resources.configuration

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

@@ -141,8 +141,8 @@ class MainActivity : SimpleActivity(), PreviewListener, PhotoProcessor.MediaSave
     }
 
     private fun hideToggleModeAbout() {
-        toggle_photo_video.visibility = View.GONE
-        settings.visibility = View.GONE
+        toggle_photo_video.beGone()
+        settings.beGone()
     }
 
     private fun tryInitCamera() {

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

@@ -13,6 +13,7 @@ import com.simplemobiletools.commons.extensions.updateTextColors
 import com.simplemobiletools.commons.extensions.useEnglishToggled
 import com.simplemobiletools.commons.helpers.LICENSE_GLIDE
 import com.simplemobiletools.commons.helpers.LICENSE_KOTLIN
+import com.simplemobiletools.commons.helpers.LICENSE_LEAK_CANARY
 import kotlinx.android.synthetic.main.activity_settings.*
 import java.io.File
 import java.util.*
@@ -48,7 +49,7 @@ class SettingsActivity : SimpleActivity() {
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
-            R.id.about -> startAboutActivity(R.string.app_name, LICENSE_KOTLIN or LICENSE_GLIDE, BuildConfig.VERSION_NAME)
+            R.id.about -> startAboutActivity(R.string.app_name, LICENSE_KOTLIN or LICENSE_GLIDE or LICENSE_LEAK_CANARY, BuildConfig.VERSION_NAME)
             else -> super.onOptionsItemSelected(item)
         }
         return true