Add LeakCanary to nighly builds

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Throwable.kt

@@ -52,6 +52,7 @@ import java.net.SocketException
 import java.net.SocketTimeoutException
 import java.net.UnknownHostException
 import java.util.Locale
+import java.util.zip.ZipException
 
 private const val MSG_NO_SPACE_LEFT = "No space left on device"
 private const val MSG_CONNECTION_RESET = "Connection reset"
@@ -92,6 +93,7 @@ private fun Throwable.getDisplayMessageOrNull(resources: Resources): String? = w
 		}
 	}
 
+	is ZipException -> resources.getString(R.string.error_corrupted_zip, this.message.orEmpty())
 	is SQLiteFullException -> resources.getString(R.string.error_no_space_left)
 	is UnsupportedFileException -> resources.getString(R.string.text_file_not_supported)
 	is BadBackupFormatException -> resources.getString(R.string.unsupported_backup_message)

app/src/main/res/values/strings.xml

@@ -859,4 +859,5 @@
 	<string name="main_screen">Main screen</string>
 	<string name="main_screen_fab">Show floating Continue button</string>
 	<string name="main_screen_fab_summary">Allows to continue reading in a one click. This button will not appear in incognito mode or when the history is empty</string>
+	<string name="error_corrupted_zip">Corrupted ZIP archive (%s)</string>
 </resources>

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

@@ -1,5 +1,34 @@
 package org.koitharu.kotatsu
 
+import android.content.Context
+import android.content.SharedPreferences
+import androidx.preference.PreferenceManager
+import leakcanary.LeakCanary
 import org.koitharu.kotatsu.core.BaseApp
 
-class KotatsuApp : BaseApp()
+class KotatsuApp : BaseApp(), SharedPreferences.OnSharedPreferenceChangeListener {
+
+	override fun attachBaseContext(base: Context) {
+		super.attachBaseContext(base)
+		val prefs = PreferenceManager.getDefaultSharedPreferences(this)
+		configureLeakCanary(isEnabled = prefs.getBoolean(KEY_LEAK_CANARY, false))
+		prefs.registerOnSharedPreferenceChangeListener(this)
+	}
+
+	override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String?) {
+		if (key == KEY_LEAK_CANARY) {
+			configureLeakCanary(sharedPreferences.getBoolean(KEY_LEAK_CANARY, false))
+		}
+	}
+
+	private fun configureLeakCanary(isEnabled: Boolean) {
+		LeakCanary.config = LeakCanary.config.copy(
+			dumpHeap = isEnabled,
+		)
+	}
+
+	private companion object {
+
+		const val KEY_LEAK_CANARY = "debug.leak_canary"
+	}
+}

app/src/nightly/kotlin/org/koitharu/kotatsu/settings/DebugSettingsFragment.kt

@@ -0,0 +1,32 @@
+package org.koitharu.kotatsu.settings
+
+import android.os.Bundle
+import androidx.preference.Preference
+import leakcanary.LeakCanary
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
+import org.koitharu.kotatsu.settings.utils.SplitSwitchPreference
+
+class DebugSettingsFragment : BasePreferenceFragment(R.string.debug), Preference.OnPreferenceClickListener {
+
+	override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+		addPreferencesFromResource(R.xml.pref_debug)
+		findPreference<SplitSwitchPreference>(KEY_LEAK_CANARY)?.let { pref ->
+			pref.onContainerClickListener = this
+		}
+	}
+
+	override fun onPreferenceClick(preference: Preference): Boolean = when (preference.key) {
+		KEY_LEAK_CANARY -> {
+			startActivity(LeakCanary.newLeakDisplayActivityIntent())
+			true
+		}
+
+		else -> super.onPreferenceTreeClick(preference)
+	}
+
+	private companion object {
+
+		const val KEY_LEAK_CANARY = "debug.leak_canary"
+	}
+}

app/src/nightly/res/drawable/ic_debug.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:width="24dp"
+	android:height="24dp"
+	android:tint="?attr/colorControlNormal"
+	android:viewportWidth="24"
+	android:viewportHeight="24">
+	<path
+		android:fillColor="#000"
+		android:pathData="M20,8H17.19C16.74,7.2 16.12,6.5 15.37,6L17,4.41L15.59,3L13.42,5.17C12.96,5.06 12.5,5 12,5C11.5,5 11.05,5.06 10.59,5.17L8.41,3L7,4.41L8.62,6C7.87,6.5 7.26,7.21 6.81,8H4V10H6.09C6.03,10.33 6,10.66 6,11V12H4V14H6V15C6,15.34 6.03,15.67 6.09,16H4V18H6.81C8.47,20.87 12.14,21.84 15,20.18C15.91,19.66 16.67,18.9 17.19,18H20V16H17.91C17.97,15.67 18,15.34 18,15V14H20V12H18V11C18,10.66 17.97,10.33 17.91,10H20V8M16,15A4,4 0 0,1 12,19A4,4 0 0,1 8,15V11A4,4 0 0,1 12,7A4,4 0 0,1 16,11V15M14,10V12H10V10H14M10,14H14V16H10V14Z" />
+</vector>

app/src/nightly/res/values/bools.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+	<bool name="leak_canary_add_launcher_icon" tools:node="replace">false</bool>
+	<bool name="leak_canary_allow_in_non_debuggable_build">true</bool>
+</resources>

app/src/nightly/res/values/strings.xml

@@ -1,3 +1,4 @@
 <resources>
 	<string name="app_name" translatable="false">Kotatsu Nightly</string>
+	<string name="may_affect_performance">May affect performance</string>
 </resources>

app/src/nightly/res/xml/pref_debug.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.preference.PreferenceScreen
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto">
+
+	<org.koitharu.kotatsu.settings.utils.SplitSwitchPreference
+		android:id="@+id/action_leakcanary"
+		android:defaultValue="false"
+		android:key="leak_canary"
+		android:title="LeakCanary"
+		android:summary="@string/may_affect_performance"
+		app:key="debug.leak_canary" />
+
+</androidx.preference.PreferenceScreen>

app/src/nightly/res/xml/pref_root_debug.xml

@@ -1,2 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.preference.PreferenceScreen />
+<androidx.preference.PreferenceScreen
+	xmlns:android="http://schemas.android.com/apk/res/android">
+
+	<PreferenceScreen
+		android:fragment="org.koitharu.kotatsu.settings.DebugSettingsFragment"
+		android:icon="@drawable/ic_debug"
+		android:key="debug"
+		android:title="@string/debug" />
+
+</androidx.preference.PreferenceScreen>