Option to disable LeakCanary in debug builds

app/src/debug/kotlin/org/koitharu/kotatsu/KotatsuApp.kt

@@ -1,9 +1,12 @@
 package org.koitharu.kotatsu
 
 import android.content.Context
+import android.content.SharedPreferences
 import android.os.Build
 import android.os.StrictMode
+import androidx.core.content.edit
 import androidx.fragment.app.strictmode.FragmentStrictMode
+import leakcanary.LeakCanary
 import org.koitharu.kotatsu.core.BaseApp
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
 import org.koitharu.kotatsu.local.data.PagesCache
@@ -13,9 +16,23 @@ import org.koitharu.kotatsu.reader.ui.ReaderViewModel
 
 class KotatsuApp : BaseApp() {
 
+	var isLeakCanaryEnabled: Boolean
+		get() = getDebugPreferences(this).getBoolean(KEY_LEAK_CANARY, true)
+		set(value) {
+			getDebugPreferences(this).edit { putBoolean(KEY_LEAK_CANARY, value) }
+			configureLeakCanary()
+		}
+
 	override fun attachBaseContext(base: Context) {
 		super.attachBaseContext(base)
 		enableStrictMode()
+		configureLeakCanary()
+	}
+
+	private fun configureLeakCanary() {
+		LeakCanary.config = LeakCanary.config.copy(
+			dumpHeap = isLeakCanaryEnabled,
+		)
 	}
 
 	private fun enableStrictMode() {
@@ -55,7 +72,7 @@ class KotatsuApp : BaseApp() {
 				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && notifier != null) {
 					penaltyListener(notifier.executor, notifier)
 				}
-			}.build()
+			}.build(),
 		)
 		FragmentStrictMode.defaultPolicy = FragmentStrictMode.Policy.Builder().apply {
 			detectWrongFragmentContainer()
@@ -70,4 +87,13 @@ class KotatsuApp : BaseApp() {
 			}
 		}.build()
 	}
+
+	private companion object {
+
+		const val PREFS_DEBUG = "_debug"
+		const val KEY_LEAK_CANARY = "leak_canary"
+
+		fun getDebugPreferences(context: Context): SharedPreferences =
+			context.getSharedPreferences(PREFS_DEBUG, MODE_PRIVATE)
+	}
 }