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 {
     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/AndroidManifest.xml

@@ -10,6 +10,7 @@
         tools:node="remove"/>
 
     <application
+        android:name=".App"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_launcher_name"

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

@@ -0,0 +1,25 @@
+package com.simplemobiletools.draw
+
+import android.app.Application
+import com.simplemobiletools.draw.BuildConfig.USE_LEAK_CANARY
+import com.simplemobiletools.draw.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
+            conf.locale = Locale.ENGLISH
+            resources.updateConfiguration(conf, resources.displayMetrics)
+        }
+    }
+}