Migrate to Tachiyomi 6.1

Rewrite batch add UI
Rewrite lock UI

app/src/main/java/exh/ui/lock/LockController.kt

@@ -0,0 +1,68 @@
+package exh.ui.lock
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import com.afollestad.materialdialogs.MaterialDialog
+import com.andrognito.pinlockview.PinLockListener
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.getOrDefault
+import eu.kanade.tachiyomi.ui.base.controller.NucleusController
+import kotlinx.android.synthetic.main.activity_lock.view.*
+import uy.kohesive.injekt.injectLazy
+
+class LockController : NucleusController<LockPresenter>() {
+    override fun inflateView(inflater: LayoutInflater, container: ViewGroup)
+        = inflater.inflate(R.layout.activity_lock, container, false)!!
+
+    override fun createPresenter() = LockPresenter()
+
+    override fun getTitle() = "Application locked"
+
+    val prefs: PreferencesHelper by injectLazy()
+
+    override fun onViewCreated(view: View, savedViewState: Bundle?) {
+        super.onViewCreated(view, savedViewState)
+
+        if(!lockEnabled(prefs)) {
+            closeLock()
+            return
+        }
+
+        with(view) {
+            pin_lock_view.attachIndicatorDots(indicator_dots)
+
+            pin_lock_view.pinLength = prefs.lockLength().getOrDefault()
+            pin_lock_view.setPinLockListener(object : PinLockListener {
+                override fun onEmpty() {}
+
+                override fun onComplete(pin: String) {
+                    if (sha512(pin, prefs.lockSalt().get()!!) == prefs.lockHash().get()) {
+                        //Yay!
+                        closeLock()
+                    } else {
+                        MaterialDialog.Builder(context)
+                                .title("PIN code incorrect")
+                                .content("The PIN code you entered is incorrect. Please try again.")
+                                .cancelable(true)
+                                .canceledOnTouchOutside(true)
+                                .positiveText("Ok")
+                                .autoDismiss(true)
+                                .show()
+                        pin_lock_view.resetPinLockView()
+                    }
+                }
+
+                override fun onPinChange(pinLength: Int, intermediatePin: String?) {}
+            })
+        }
+    }
+
+    fun closeLock() {
+        router.popCurrentController()
+    }
+
+    override fun handleBack() = true
+}