Added PIN Lock

app/build.gradle

@@ -52,7 +52,7 @@ android {
 dependencies {
     def markwonVersion = '3.1.0'
 
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.7"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.7"
@@ -80,6 +80,7 @@ dependencies {
     implementation 'net.rdrei.android.dirchooser:library:3.2@aar'
     implementation 'com.github.chrisbanes:PhotoView:2.3.0'
     implementation 'com.andrognito.patternlockview:patternlockview:1.0.0'
+    //implementation 'com.andrognito.pinlockview:pinlockview:2.1.0'
     implementation "ru.noties.markwon:core:${markwonVersion}"
     testImplementation 'junit:junit:4.13'
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'

app/src/main/java/xyz/quaver/pupil/ui/LockActivity.kt

@@ -21,62 +21,26 @@ package xyz.quaver.pupil.ui
 import android.app.Activity
 import android.app.AlertDialog
 import android.os.Bundle
+import android.view.animation.Animation
+import android.view.animation.AnimationUtils
 import androidx.appcompat.app.AppCompatActivity
 import com.andrognito.patternlockview.PatternLockView
 import com.google.android.material.snackbar.Snackbar
 import kotlinx.android.synthetic.main.activity_lock.*
 import kotlinx.android.synthetic.main.fragment_pattern_lock.*
+import kotlinx.android.synthetic.main.fragment_pin_lock.*
 import xyz.quaver.pupil.R
+import xyz.quaver.pupil.ui.fragment.PINLockFragment
 import xyz.quaver.pupil.ui.fragment.PatternLockFragment
 import xyz.quaver.pupil.util.Lock
 import xyz.quaver.pupil.util.LockManager
 
 class LockActivity : AppCompatActivity() {
 
-    override fun onCreate(savedInstanceState: Bundle?) {
+    private lateinit var lockManager: LockManager
-        super.onCreate(savedInstanceState)
+    private var mode: String? = null
-        setContentView(R.layout.activity_lock)
 
-        val lockManager = try {
+    private val patternLockFragment = PatternLockFragment().apply {
-            LockManager(this)
-        } catch (e: Exception) {
-            AlertDialog.Builder(this).apply {
-                setTitle(R.string.warning)
-                setMessage(R.string.lock_corrupted)
-                setPositiveButton(android.R.string.ok) { _, _ ->
-                    finish()
-                }
-            }.show()
-            return
-        }
-
-        val mode = intent.getStringExtra("mode")
-
-        lock_pattern.isEnabled = false
-        lock_pin.isEnabled = false
-        lock_fingerprint.isEnabled = false
-        lock_password.isEnabled = false
-
-        when(mode) {
-            null -> {
-                if (lockManager.isEmpty()) {
-                    setResult(RESULT_OK)
-                    finish()
-                    return
-                }
-            }
-            "add_lock" -> {
-                when(intent.getStringExtra("type")!!) {
-                    "pattern" -> {
-
-                    }
-                }
-            }
-        }
-
-        supportFragmentManager.beginTransaction().add(
-            R.id.lock_content,
-            PatternLockFragment().apply {
         var lastPass = ""
         onPatternDrawn = {
             when(mode) {
@@ -109,7 +73,156 @@ class LockActivity : AppCompatActivity() {
             }
         }
     }
+
+    private val pinLockFragment = PINLockFragment().apply {
+        var lastPass = ""
+        onPINEntered = {
+            when(mode) {
+                null -> {
+                    val result = lockManager.check(it)
+
+                    if (result == true) {
+                        setResult(Activity.RESULT_OK)
+                        finish()
+                    } else {
+                        indicator_dots.startAnimation(AnimationUtils.loadAnimation(context, R.anim.shake).apply {
+                            setAnimationListener(object: Animation.AnimationListener {
+                                override fun onAnimationEnd(animation: Animation?) {
+                                    pin_lock_view.resetPinLockView()
+                                    pin_lock_view.isEnabled = true
+                                }
+
+                                override fun onAnimationStart(animation: Animation?) {
+                                    pin_lock_view.isEnabled = false
+                                }
+
+                                override fun onAnimationRepeat(animation: Animation?) {
+                                    // Do Nothing
+                                }
+                            })
+                        })
+                    }
+                }
+                "add_lock" -> {
+                    if (lastPass.isEmpty()) {
+                        lastPass = it
+
+                        pin_lock_view.resetPinLockView()
+                        Snackbar.make(view!!, R.string.settings_lock_confirm, Snackbar.LENGTH_LONG).show()
+                    } else {
+                        if (lastPass == it) {
+                            LockManager(context!!).add(Lock.generate(Lock.Type.PIN, it))
+                            finish()
+                        } else {
+                            indicator_dots.startAnimation(AnimationUtils.loadAnimation(context, R.anim.shake).apply {
+                                setAnimationListener(object: Animation.AnimationListener {
+                                    override fun onAnimationEnd(animation: Animation?) {
+                                        pin_lock_view.resetPinLockView()
+                                        pin_lock_view.isEnabled = true
+                                    }
+
+                                    override fun onAnimationStart(animation: Animation?) {
+                                        pin_lock_view.isEnabled = false
+                                    }
+
+                                    override fun onAnimationRepeat(animation: Animation?) {
+                                        // Do Nothing
+                                    }
+                                })
+                            })
+                            lastPass = ""
+
+                            Snackbar.make(view!!, R.string.settings_lock_wrong_confirm, Snackbar.LENGTH_LONG).show()
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_lock)
+
+        lockManager = try {
+            LockManager(this)
+        } catch (e: Exception) {
+            AlertDialog.Builder(this).apply {
+                setTitle(R.string.warning)
+                setMessage(R.string.lock_corrupted)
+                setPositiveButton(android.R.string.ok) { _, _ ->
+                    finish()
+                }
+            }.show()
+            return
+        }
+
+        mode = intent.getStringExtra("mode")
+
+        when(mode) {
+            null -> {
+                if (lockManager.isEmpty()) {
+                    setResult(RESULT_OK)
+                    finish()
+                    return
+                }
+
+                lock_pattern.apply {
+                    isEnabled = lockManager.contains(Lock.Type.PATTERN)
+                    setOnClickListener {
+                        supportFragmentManager.beginTransaction().replace(
+                            R.id.lock_content, patternLockFragment
                         ).commit()
                     }
+                }
+                lock_pin.apply {
+                    isEnabled = lockManager.contains(Lock.Type.PIN)
+                    setOnClickListener {
+                        supportFragmentManager.beginTransaction().replace(
+                            R.id.lock_content, pinLockFragment
+                        ).commit()
+                    }
+                }
+                lock_fingerprint.isEnabled = false
+                lock_password.isEnabled = false
+
+                when (lockManager.locks!!.first().type) {
+                    Lock.Type.PIN -> {
+
+                        supportFragmentManager.beginTransaction().add(
+                            R.id.lock_content, pinLockFragment
+                        ).commit()
+                    }
+                    Lock.Type.PATTERN -> {
+                        supportFragmentManager.beginTransaction().add(
+                            R.id.lock_content, patternLockFragment
+                        ).commit()
+                    }
+                    else -> return
+                }
+            }
+            "add_lock" -> {
+                lock_pattern.isEnabled = false
+                lock_pin.isEnabled = false
+                lock_fingerprint.isEnabled = false
+                lock_password.isEnabled = false
+
+                when(intent.getStringExtra("type")!!) {
+                    "pattern" -> {
+                        lock_pattern.isEnabled = true
+                        supportFragmentManager.beginTransaction().add(
+                            R.id.lock_content, patternLockFragment
+                        ).commit()
+                    }
+                    "pin" -> {
+                        lock_pin.isEnabled = true
+                        supportFragmentManager.beginTransaction().add(
+                            R.id.lock_content, pinLockFragment
+                        ).commit()
+                    }
+                }
+            }
+        }
+    }
 
 }

app/src/main/java/xyz/quaver/pupil/ui/fragment/LockFragment.kt

@@ -28,18 +28,25 @@ import xyz.quaver.pupil.ui.LockActivity
 import xyz.quaver.pupil.util.Lock
 import xyz.quaver.pupil.util.LockManager
 
-class LockFragment : PreferenceFragmentCompat() {
+class LockFragment :
+    PreferenceFragmentCompat() {
 
     override fun onResume() {
         super.onResume()
 
-        val lockManager = LockManager(context!!)
+        val lockManager = LockManager(requireContext())
 
         findPreference<Preference>("lock_pattern")?.summary =
             if (lockManager.contains(Lock.Type.PATTERN))
                 getString(R.string.settings_lock_enabled)
             else
                 ""
+
+        findPreference<Preference>("lock_pin")?.summary =
+            if (lockManager.contains(Lock.Type.PIN))
+                getString(R.string.settings_lock_enabled)
+            else
+                ""
     }
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
@@ -48,14 +55,14 @@ class LockFragment : PreferenceFragmentCompat() {
         with(findPreference<Preference>("lock_pattern")) {
             this!!
 
-            if (LockManager(context!!).contains(Lock.Type.PATTERN))
+            if (LockManager(requireContext()).contains(Lock.Type.PATTERN))
                 summary = getString(R.string.settings_lock_enabled)
 
             onPreferenceClickListener = Preference.OnPreferenceClickListener {
-                val lockManager = LockManager(context!!)
+                val lockManager = LockManager(requireContext())
 
                 if (lockManager.contains(Lock.Type.PATTERN)) {
-                    AlertDialog.Builder(context).apply {
+                    AlertDialog.Builder(requireContext()).apply {
                         setTitle(R.string.warning)
                         setMessage(R.string.settings_lock_remove_message)
 
@@ -66,7 +73,7 @@ class LockFragment : PreferenceFragmentCompat() {
                         setNegativeButton(android.R.string.no) { _, _ -> }
                     }.show()
                 } else {
-                    val intent = Intent(context, LockActivity::class.java).apply {
+                    val intent = Intent(requireContext(), LockActivity::class.java).apply {
                         putExtra("mode", "add_lock")
                         putExtra("type", "pattern")
                     }
@@ -77,5 +84,38 @@ class LockFragment : PreferenceFragmentCompat() {
                 true
             }
         }
+
+        with(findPreference<Preference>("lock_pin")) {
+            this!!
+
+            if (LockManager(requireContext()).contains(Lock.Type.PIN))
+                summary = getString(R.string.settings_lock_enabled)
+
+            onPreferenceClickListener = Preference.OnPreferenceClickListener {
+                val lockManager = LockManager(requireContext())
+
+                if (lockManager.contains(Lock.Type.PIN)) {
+                    AlertDialog.Builder(requireContext()).apply {
+                        setTitle(R.string.warning)
+                        setMessage(R.string.settings_lock_remove_message)
+
+                        setPositiveButton(android.R.string.yes) { _, _ ->
+                            lockManager.remove(Lock.Type.PIN)
+                            onResume()
+                        }
+                        setNegativeButton(android.R.string.no) { _, _ -> }
+                    }.show()
+                } else {
+                    val intent = Intent(requireContext(), LockActivity::class.java).apply {
+                        putExtra("mode", "add_lock")
+                        putExtra("type", "pin")
+                    }
+
+                    startActivity(intent)
+                }
+
+                true
+            }
+        }
     }
 }

app/src/main/java/xyz/quaver/pupil/ui/fragment/PINLockFragment.kt

@@ -0,0 +1,53 @@
+/*
+ *     Pupil, Hitomi.la viewer for Android
+ *     Copyright (C) 2020  tom5079
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package xyz.quaver.pupil.ui.fragment
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import com.andrognito.pinlockview.PinLockListener
+import kotlinx.android.synthetic.main.fragment_pin_lock.view.*
+import xyz.quaver.pupil.R
+
+class PINLockFragment : Fragment(), PinLockListener {
+
+    var onPINEntered: ((String) -> Unit)? = null
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_pin_lock, container, false).apply {
+            pin_lock_view.attachIndicatorDots(indicator_dots)
+            pin_lock_view.setPinLockListener(this@PINLockFragment)
+        }
+    }
+
+    override fun onComplete(pin: String?) {
+        onPINEntered?.invoke(pin!!)
+    }
+
+    override fun onEmpty() {
+
+    }
+
+    override fun onPinChange(pinLength: Int, intermediatePin: String?) {
+
+    }
+
+}

app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt

@@ -56,13 +56,13 @@ class SettingsFragment :
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        PreferenceManager.getDefaultSharedPreferences(context).registerOnSharedPreferenceChangeListener(this)
+        PreferenceManager.getDefaultSharedPreferences(requireContext()).registerOnSharedPreferenceChangeListener(this)
     }
 
     override fun onResume() {
         super.onResume()
 
-        val lockManager = LockManager(context!!)
+        val lockManager = LockManager(requireContext())
 
         findPreference<Preference>("app_lock")?.summary = if (lockManager.locks.isNullOrEmpty()) {
             getString(R.string.settings_lock_none)
@@ -92,9 +92,9 @@ class SettingsFragment :
                     checkUpdate(activity as SettingsActivity, true)
                 }
                 "delete_cache" -> {
-                    val dir = File(context.cacheDir, "imageCache")
+                    val dir = File(requireContext().cacheDir, "imageCache")
 
-                    AlertDialog.Builder(context).apply {
+                    AlertDialog.Builder(requireContext()).apply {
                         setTitle(R.string.warning)
                         setMessage(R.string.settings_clear_cache_alert_message)
                         setPositiveButton(android.R.string.yes) { _, _ ->
@@ -107,9 +107,9 @@ class SettingsFragment :
                     }.show()
                 }
                 "delete_downloads" -> {
-                    val dir = getDownloadDirectory(context)
+                    val dir = getDownloadDirectory(requireContext())
 
-                    AlertDialog.Builder(context).apply {
+                    AlertDialog.Builder(requireContext()).apply {
                         setTitle(R.string.warning)
                         setMessage(R.string.settings_clear_downloads_alert_message)
                         setPositiveButton(android.R.string.yes) { _, _ ->
@@ -122,9 +122,9 @@ class SettingsFragment :
                     }.show()
                 }
                 "clear_history" -> {
-                    val histories = (context.applicationContext as Pupil).histories
+                    val histories = (requireContext().applicationContext as Pupil).histories
 
-                    AlertDialog.Builder(context).apply {
+                    AlertDialog.Builder(requireContext()).apply {
                         setTitle(R.string.warning)
                         setMessage(R.string.settings_clear_history_alert_message)
                         setPositiveButton(android.R.string.yes) { _, _ ->
@@ -135,10 +135,10 @@ class SettingsFragment :
                     }.show()
                 }
                 "dl_location" -> {
-                    DownloadLocationDialog(activity!!).show()
+                    DownloadLocationDialog(requireActivity()).show()
                 }
                 "default_query" -> {
-                    DefaultQueryDialog(context).apply {
+                    DefaultQueryDialog(requireContext()).apply {
                         onPositiveButtonClickListener = { newTags ->
                             sharedPreferences.edit().putString("default_query", newTags.toString()).apply()
                             summary = newTags.toString()
@@ -146,20 +146,20 @@ class SettingsFragment :
                     }.show()
                 }
                 "app_lock" -> {
-                    val intent = Intent(context, LockActivity::class.java)
+                    val intent = Intent(requireContext(), LockActivity::class.java)
                     activity?.startActivityForResult(intent, REQUEST_LOCK)
                 }
                 "mirrors" -> {
-                    MirrorDialog(context)
+                    MirrorDialog(requireContext())
                         .show()
                 }
                 "proxy" -> {
-                    ProxyDialog(context)
+                    ProxyDialog(requireContext())
                         .show()
                 }
                 "backup" -> {
-                    File(ContextCompat.getDataDir(context), "favorites.json").copyTo(
+                    File(ContextCompat.getDataDir(requireContext()), "favorites.json").copyTo(
-                        File(getDownloadDirectory(context), "favorites.json"),
+                        File(getDownloadDirectory(requireContext()), "favorites.json"),
                         true
                     )
 
@@ -177,8 +177,8 @@ class SettingsFragment :
                 "old_import_galleries" -> {
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 
-                        if (ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED)
+                        if (ContextCompat.checkSelfPermission(requireContext(), Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED)
-                            ActivityCompat.requestPermissions(activity!!, arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), REQUEST_WRITE_PERMISSION_AND_SAF)
+                            ActivityCompat.requestPermissions(requireActivity(), arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), REQUEST_WRITE_PERMISSION_AND_SAF)
                         else {
                             val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE).apply {
                                 putExtra("android.content.extra.SHOW_ADVANCED", true)
@@ -192,7 +192,7 @@ class SettingsFragment :
                             .allowNewDirectoryNameModification(true)
                             .build()
 
-                        val intent = Intent(context, DirectoryChooserActivity::class.java).apply {
+                        val intent = Intent(requireContext(), DirectoryChooserActivity::class.java).apply {
                             putExtra(DirectoryChooserActivity.EXTRA_CONFIG, config)
                         }
 
@@ -232,10 +232,10 @@ class SettingsFragment :
 
             when (key) {
                 "proxy" -> {
-                    summary = getProxyInfo(context).type.name
+                    summary = getProxyInfo(requireContext()).type.name
                 }
                 "dl_location" -> {
-                    summary = getDownloadDirectory(context!!).canonicalPath
+                    summary = getDownloadDirectory(requireContext()).canonicalPath
                 }
             }
         }
@@ -260,42 +260,42 @@ class SettingsFragment :
 
                     when (key) {
                         "app_version" -> {
-                            val manager = context.packageManager
+                            val manager = requireContext().packageManager
-                            val info = manager.getPackageInfo(context.packageName, 0)
+                            val info = manager.getPackageInfo(requireContext().packageName, 0)
-                            summary = context.getString(R.string.settings_app_version_description, info.versionName)
+                            summary = requireContext().getString(R.string.settings_app_version_description, info.versionName)
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "delete_cache" -> {
-                            val dir = File(context.cacheDir, "imageCache")
+                            val dir = File(requireContext().cacheDir, "imageCache")
                             summary = getDirSize(dir)
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "delete_downloads" -> {
-                            val dir = getDownloadDirectory(context)
+                            val dir = getDownloadDirectory(requireContext())
                             summary = getDirSize(dir)
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "clear_history" -> {
-                            val histories = (activity!!.application as Pupil).histories
+                            val histories = (requireActivity().application as Pupil).histories
                             summary = getString(R.string.settings_clear_history_summary, histories.size)
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "dl_location" -> {
-                            summary = getDownloadDirectory(context).canonicalPath
+                            summary = getDownloadDirectory(requireContext()).canonicalPath
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "default_query" -> {
-                            summary = PreferenceManager.getDefaultSharedPreferences(context).getString("default_query", "") ?: ""
+                            summary = PreferenceManager.getDefaultSharedPreferences(requireContext()).getString("default_query", "") ?: ""
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "app_lock" -> {
-                            val lockManager = LockManager(context)
+                            val lockManager = LockManager(requireContext())
                             summary =
                                 if (lockManager.locks.isNullOrEmpty()) {
                                     getString(R.string.settings_lock_none)
@@ -315,7 +315,7 @@ class SettingsFragment :
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "proxy" -> {
-                            summary = getProxyInfo(context).type.name
+                            summary = getProxyInfo(requireContext()).type.name
 
                             onPreferenceClickListener = this@SettingsFragment
                         }

app/src/main/res/anim/shake.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~     Pupil, Hitomi.la viewer for Android
+  ~     Copyright (C) 2020  tom5079
+  ~
+  ~     This program is free software: you can redistribute it and/or modify
+  ~     it under the terms of the GNU General Public License as published by
+  ~     the Free Software Foundation, either version 3 of the License, or
+  ~     (at your option) any later version.
+  ~
+  ~     This program is distributed in the hope that it will be useful,
+  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~     GNU General Public License for more details.
+  ~
+  ~     You should have received a copy of the GNU General Public License
+  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<translate xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="300"
+    android:fromXDelta="0"
+    android:interpolator="@anim/shake_cycle"
+    android:toXDelta="10" />

app/src/main/res/anim/shake_cycle.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~     Pupil, Hitomi.la viewer for Android
+  ~     Copyright (C) 2020  tom5079
+  ~
+  ~     This program is free software: you can redistribute it and/or modify
+  ~     it under the terms of the GNU General Public License as published by
+  ~     the Free Software Foundation, either version 3 of the License, or
+  ~     (at your option) any later version.
+  ~
+  ~     This program is distributed in the hope that it will be useful,
+  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~     GNU General Public License for more details.
+  ~
+  ~     You should have received a copy of the GNU General Public License
+  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<cycleInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:cycles="3" />

app/src/main/res/color/lock_fab.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~     Pupil, Hitomi.la viewer for Android
+  ~     Copyright (C) 2020  tom5079
+  ~
+  ~     This program is free software: you can redistribute it and/or modify
+  ~     it under the terms of the GNU General Public License as published by
+  ~     the Free Software Foundation, either version 3 of the License, or
+  ~     (at your option) any later version.
+  ~
+  ~     This program is distributed in the hope that it will be useful,
+  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~     GNU General Public License for more details.
+  ~
+  ~     You should have received a copy of the GNU General Public License
+  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_enabled="false" android:color="@android:color/darker_gray"/>
+    <item android:color="@color/colorPrimary"/>
+</selector>

app/src/main/res/drawable/backspace_outline.xml

@@ -0,0 +1,8 @@
+<!-- drawable/backspace_outline.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="#000" android:pathData="M19,15.59L17.59,17L14,13.41L10.41,17L9,15.59L12.59,12L9,8.41L10.41,7L14,10.59L17.59,7L19,8.41L15.41,12L19,15.59M22,3A2,2 0 0,1 24,5V19A2,2 0 0,1 22,21H7C6.31,21 5.77,20.64 5.41,20.11L0,12L5.41,3.88C5.77,3.35 6.31,3 7,3H22M22,5H7L2.28,12L7,19H22V5Z" />
+</vector>

app/src/main/res/drawable/fingerprint.xml

@@ -4,5 +4,5 @@
     android:width="24dp"
     android:viewportWidth="24"
     android:viewportHeight="24">
-    <path android:fillColor="#000" android:pathData="M17.81,4.47C17.73,4.47 17.65,4.45 17.58,4.41C15.66,3.42 14,3 12,3C10.03,3 8.15,3.47 6.44,4.41C6.2,4.54 5.9,4.45 5.76,4.21C5.63,3.97 5.72,3.66 5.96,3.53C7.82,2.5 9.86,2 12,2C14.14,2 16,2.47 18.04,3.5C18.29,3.65 18.38,3.95 18.25,4.19C18.16,4.37 18,4.47 17.81,4.47M3.5,9.72C3.4,9.72 3.3,9.69 3.21,9.63C3,9.47 2.93,9.16 3.09,8.93C4.08,7.53 5.34,6.43 6.84,5.66C10,4.04 14,4.03 17.15,5.65C18.65,6.42 19.91,7.5 20.9,8.9C21.06,9.12 21,9.44 20.78,9.6C20.55,9.76 20.24,9.71 20.08,9.5C19.18,8.22 18.04,7.23 16.69,6.54C13.82,5.07 10.15,5.07 7.29,6.55C5.93,7.25 4.79,8.25 3.89,9.5C3.81,9.65 3.66,9.72 3.5,9.72M9.75,21.79C9.62,21.79 9.5,21.74 9.4,21.64C8.53,20.77 8.06,20.21 7.39,19C6.7,17.77 6.34,16.27 6.34,14.66C6.34,11.69 8.88,9.27 12,9.27C15.12,9.27 17.66,11.69 17.66,14.66A0.5,0.5 0 0,1 17.16,15.16A0.5,0.5 0 0,1 16.66,14.66C16.66,12.24 14.57,10.27 12,10.27C9.43,10.27 7.34,12.24 7.34,14.66C7.34,16.1 7.66,17.43 8.27,18.5C8.91,19.66 9.35,20.15 10.12,20.93C10.31,21.13 10.31,21.44 10.12,21.64C10,21.74 9.88,21.79 9.75,21.79M16.92,19.94C15.73,19.94 14.68,19.64 13.82,19.05C12.33,18.04 11.44,16.4 11.44,14.66A0.5,0.5 0 0,1 11.94,14.16A0.5,0.5 0 0,1 12.44,14.66C12.44,16.07 13.16,17.4 14.38,18.22C15.09,18.7 15.92,18.93 16.92,18.93C17.16,18.93 17.56,18.9 17.96,18.83C18.23,18.78 18.5,18.96 18.54,19.24C18.59,19.5 18.41,19.77 18.13,19.82C17.56,19.93 17.06,19.94 16.92,19.94M14.91,22C14.87,22 14.82,22 14.78,22C13.19,21.54 12.15,20.95 11.06,19.88C9.66,18.5 8.89,16.64 8.89,14.66C8.89,13.04 10.27,11.72 11.97,11.72C13.67,11.72 15.05,13.04 15.05,14.66C15.05,15.73 16,16.6 17.13,16.6C18.28,16.6 19.21,15.73 19.21,14.66C19.21,10.89 15.96,7.83 11.96,7.83C9.12,7.83 6.5,9.41 5.35,11.86C4.96,12.67 4.76,13.62 4.76,14.66C4.76,15.44 4.83,16.67 5.43,18.27C5.53,18.53 5.4,18.82 5.14,18.91C4.88,19 4.59,18.87 4.5,18.62C4,17.31 3.77,16 3.77,14.66C3.77,13.46 4,12.37 4.45,11.42C5.78,8.63 8.73,6.82 11.96,6.82C16.5,6.82 20.21,10.33 20.21,14.65C20.21,16.27 18.83,17.59 17.13,17.59C15.43,17.59 14.05,16.27 14.05,14.65C14.05,13.58 13.12,12.71 11.97,12.71C10.82,12.71 9.89,13.58 9.89,14.65C9.89,16.36 10.55,17.96 11.76,19.16C12.71,20.1 13.62,20.62 15.03,21C15.3,21.08 15.45,21.36 15.38,21.62C15.33,21.85 15.12,22 14.91,22Z" />
+    <path android:fillColor="#fff" android:pathData="M17.81,4.47C17.73,4.47 17.65,4.45 17.58,4.41C15.66,3.42 14,3 12,3C10.03,3 8.15,3.47 6.44,4.41C6.2,4.54 5.9,4.45 5.76,4.21C5.63,3.97 5.72,3.66 5.96,3.53C7.82,2.5 9.86,2 12,2C14.14,2 16,2.47 18.04,3.5C18.29,3.65 18.38,3.95 18.25,4.19C18.16,4.37 18,4.47 17.81,4.47M3.5,9.72C3.4,9.72 3.3,9.69 3.21,9.63C3,9.47 2.93,9.16 3.09,8.93C4.08,7.53 5.34,6.43 6.84,5.66C10,4.04 14,4.03 17.15,5.65C18.65,6.42 19.91,7.5 20.9,8.9C21.06,9.12 21,9.44 20.78,9.6C20.55,9.76 20.24,9.71 20.08,9.5C19.18,8.22 18.04,7.23 16.69,6.54C13.82,5.07 10.15,5.07 7.29,6.55C5.93,7.25 4.79,8.25 3.89,9.5C3.81,9.65 3.66,9.72 3.5,9.72M9.75,21.79C9.62,21.79 9.5,21.74 9.4,21.64C8.53,20.77 8.06,20.21 7.39,19C6.7,17.77 6.34,16.27 6.34,14.66C6.34,11.69 8.88,9.27 12,9.27C15.12,9.27 17.66,11.69 17.66,14.66A0.5,0.5 0 0,1 17.16,15.16A0.5,0.5 0 0,1 16.66,14.66C16.66,12.24 14.57,10.27 12,10.27C9.43,10.27 7.34,12.24 7.34,14.66C7.34,16.1 7.66,17.43 8.27,18.5C8.91,19.66 9.35,20.15 10.12,20.93C10.31,21.13 10.31,21.44 10.12,21.64C10,21.74 9.88,21.79 9.75,21.79M16.92,19.94C15.73,19.94 14.68,19.64 13.82,19.05C12.33,18.04 11.44,16.4 11.44,14.66A0.5,0.5 0 0,1 11.94,14.16A0.5,0.5 0 0,1 12.44,14.66C12.44,16.07 13.16,17.4 14.38,18.22C15.09,18.7 15.92,18.93 16.92,18.93C17.16,18.93 17.56,18.9 17.96,18.83C18.23,18.78 18.5,18.96 18.54,19.24C18.59,19.5 18.41,19.77 18.13,19.82C17.56,19.93 17.06,19.94 16.92,19.94M14.91,22C14.87,22 14.82,22 14.78,22C13.19,21.54 12.15,20.95 11.06,19.88C9.66,18.5 8.89,16.64 8.89,14.66C8.89,13.04 10.27,11.72 11.97,11.72C13.67,11.72 15.05,13.04 15.05,14.66C15.05,15.73 16,16.6 17.13,16.6C18.28,16.6 19.21,15.73 19.21,14.66C19.21,10.89 15.96,7.83 11.96,7.83C9.12,7.83 6.5,9.41 5.35,11.86C4.96,12.67 4.76,13.62 4.76,14.66C4.76,15.44 4.83,16.67 5.43,18.27C5.53,18.53 5.4,18.82 5.14,18.91C4.88,19 4.59,18.87 4.5,18.62C4,17.31 3.77,16 3.77,14.66C3.77,13.46 4,12.37 4.45,11.42C5.78,8.63 8.73,6.82 11.96,6.82C16.5,6.82 20.21,10.33 20.21,14.65C20.21,16.27 18.83,17.59 17.13,17.59C15.43,17.59 14.05,16.27 14.05,14.65C14.05,13.58 13.12,12.71 11.97,12.71C10.82,12.71 9.89,13.58 9.89,14.65C9.89,16.36 10.55,17.96 11.76,19.16C12.71,20.1 13.62,20.62 15.03,21C15.3,21.08 15.45,21.36 15.38,21.62C15.33,21.85 15.12,22 14.91,22Z" />
 </vector>

app/src/main/res/drawable/lastpass.xml

@@ -4,5 +4,5 @@
     android:width="24dp"
     android:viewportWidth="24"
     android:viewportHeight="24">
-    <path android:fillColor="#000" android:pathData="M14,12A2,2 0 0,1 16,10A2,2 0 0,1 18,12A2,2 0 0,1 16,14A2,2 0 0,1 14,12M8,12A2,2 0 0,1 10,10A2,2 0 0,1 12,12A2,2 0 0,1 10,14A2,2 0 0,1 8,12M2,12A2,2 0 0,1 4,10A2,2 0 0,1 6,12A2,2 0 0,1 4,14A2,2 0 0,1 2,12M22,5H20V19H22V5Z" />
+    <path android:fillColor="#fff" android:pathData="M14,12A2,2 0 0,1 16,10A2,2 0 0,1 18,12A2,2 0 0,1 16,14A2,2 0 0,1 14,12M8,12A2,2 0 0,1 10,10A2,2 0 0,1 12,12A2,2 0 0,1 10,14A2,2 0 0,1 8,12M2,12A2,2 0 0,1 4,10A2,2 0 0,1 6,12A2,2 0 0,1 4,14A2,2 0 0,1 2,12M22,5H20V19H22V5Z" />
 </vector>

app/src/main/res/drawable/lock_pattern.xml

@@ -4,5 +4,5 @@
     android:width="24dp"
     android:viewportWidth="24"
     android:viewportHeight="24">
-    <path android:fillColor="#000" android:pathData="M7,3A4,4 0 0,1 11,7C11,8.86 9.73,10.43 8,10.87V13.13C8.37,13.22 8.72,13.37 9.04,13.56L13.56,9.04C13.2,8.44 13,7.75 13,7A4,4 0 0,1 17,3A4,4 0 0,1 21,7A4,4 0 0,1 17,11C16.26,11 15.57,10.8 15,10.45L10.45,15C10.8,15.57 11,16.26 11,17A4,4 0 0,1 7,21A4,4 0 0,1 3,17C3,15.14 4.27,13.57 6,13.13V10.87C4.27,10.43 3,8.86 3,7A4,4 0 0,1 7,3M17,13A4,4 0 0,1 21,17A4,4 0 0,1 17,21A4,4 0 0,1 13,17A4,4 0 0,1 17,13M17,15A2,2 0 0,0 15,17A2,2 0 0,0 17,19A2,2 0 0,0 19,17A2,2 0 0,0 17,15Z" />
+    <path android:fillColor="#fff" android:pathData="M7,3A4,4 0 0,1 11,7C11,8.86 9.73,10.43 8,10.87V13.13C8.37,13.22 8.72,13.37 9.04,13.56L13.56,9.04C13.2,8.44 13,7.75 13,7A4,4 0 0,1 17,3A4,4 0 0,1 21,7A4,4 0 0,1 17,11C16.26,11 15.57,10.8 15,10.45L10.45,15C10.8,15.57 11,16.26 11,17A4,4 0 0,1 7,21A4,4 0 0,1 3,17C3,15.14 4.27,13.57 6,13.13V10.87C4.27,10.43 3,8.86 3,7A4,4 0 0,1 7,3M17,13A4,4 0 0,1 21,17A4,4 0 0,1 17,21A4,4 0 0,1 13,17A4,4 0 0,1 17,13M17,15A2,2 0 0,0 15,17A2,2 0 0,0 17,19A2,2 0 0,0 19,17A2,2 0 0,0 17,15Z" />
 </vector>

app/src/main/res/drawable/pin_filled.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~     Pupil, Hitomi.la viewer for Android
+  ~     Copyright (C) 2020  tom5079
+  ~
+  ~     This program is free software: you can redistribute it and/or modify
+  ~     it under the terms of the GNU General Public License as published by
+  ~     the Free Software Foundation, either version 3 of the License, or
+  ~     (at your option) any later version.
+  ~
+  ~     This program is distributed in the hope that it will be useful,
+  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~     GNU General Public License for more details.
+  ~
+  ~     You should have received a copy of the GNU General Public License
+  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="@color/colorAccent" />
+</shape>

app/src/main/res/layout/activity_lock.xml

@@ -36,7 +36,6 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="16dp"
-        android:layout_marginBottom="32dp"
         android:gravity="center"
         app:layout_constraintTop_toBottomOf="@id/lock_content"
         app:layout_constraintBottom_toTopOf="@id/lock_button_layout">
@@ -46,9 +45,10 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             app:srcCompat="@drawable/fingerprint"
+            app:backgroundTint="@color/lock_fab"
             android:layout_marginLeft="8dp"
             android:layout_marginRight="8dp"
-            app:backgroundTint="@color/dark_gray"
+            app:tint="@null"
             app:fabSize="mini"/>
 
     </LinearLayout>
@@ -67,26 +67,29 @@
             android:id="@+id/lock_pattern"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            app:tint="@null"
             app:srcCompat="@drawable/lock_pattern"
-            app:backgroundTint="@color/colorPrimary"
+            app:backgroundTint="@color/lock_fab"
             app:fabSize="mini"/>
 
         <com.google.android.material.floatingactionbutton.FloatingActionButton
             android:id="@+id/lock_pin"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            app:tint="@null"
             app:srcCompat="@drawable/numeric"
+            app:backgroundTint="@color/lock_fab"
             android:layout_marginLeft="8dp"
             android:layout_marginRight="8dp"
-            app:backgroundTint="@color/dark_gray"
             app:fabSize="mini"/>
 
         <com.google.android.material.floatingactionbutton.FloatingActionButton
             android:id="@+id/lock_password"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            app:tint="@null"
             app:srcCompat="@drawable/lastpass"
-            app:backgroundTint="@color/dark_gray"
+            app:backgroundTint="@color/lock_fab"
             app:fabSize="mini"/>
 
     </LinearLayout>

app/src/main/res/layout/fragment_pin_lock.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~     Pupil, Hitomi.la viewer for Android
+  ~     Copyright (C) 2020  tom5079
+  ~
+  ~     This program is free software: you can redistribute it and/or modify
+  ~     it under the terms of the GNU General Public License as published by
+  ~     the Free Software Foundation, either version 3 of the License, or
+  ~     (at your option) any later version.
+  ~
+  ~     This program is distributed in the hope that it will be useful,
+  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~     GNU General Public License for more details.
+  ~
+  ~     You should have received a copy of the GNU General Public License
+  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:paddingTop="100dp">
+
+    <com.andrognito.pinlockview.IndicatorDots
+        android:id="@+id/indicator_dots"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal|top"
+        app:dotFilledBackground="@drawable/pin_filled"/>
+
+    <com.andrognito.pinlockview.PinLockView
+        android:id="@+id/pin_lock_view"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:keypadTextColor="?android:attr/textColorPrimary"
+        android:layout_gravity="center_horizontal|bottom"
+        app:keypadDeleteButtonDrawable="@drawable/backspace_outline"
+        app:keypadShowDeleteButton="true"/>
+
+</FrameLayout>