Merge remote-tracking branch 'origin/dev' into dev

.github/workflows/beta.yml

@@ -108,7 +108,7 @@ jobs:
         
         #Telegram
         curl -F "chat_id=${{ secrets.TELEGRAM_CHANNEL_ID }}" \
-          -F "document=@app/build/outputs/apk/google/alpha/app-google-universal-alpha.apk" \
+          -F "document=@app/build/outputs/apk/google/alpha/app-google-alpha.apk" \
           -F "caption=Alpha-Build: ${VERSION}: ${commit_messages}" \
          https://api.telegram.org/bot${{ secrets.TELEGRAM_BOT_TOKEN }}/sendDocument
 

app/build.gradle

@@ -101,6 +101,8 @@ dependencies {
     implementation 'androidx.preference:preference-ktx:1.2.1'
     implementation 'androidx.webkit:webkit:1.11.0'
     implementation "com.anggrayudi:storage:1.5.5"
+    implementation "androidx.biometric:biometric:1.1.0"
+
 
 //  Glide
     ext.glide_version = '4.16.0'

app/src/main/java/ani/dantotsu/home/status/StatusActivity.kt

@@ -16,6 +16,8 @@ import ani.dantotsu.navBarHeight
 import ani.dantotsu.profile.User
 import ani.dantotsu.settings.saving.PrefManager
 import ani.dantotsu.statusBarHeight
+import ani.dantotsu.toast
+import ani.dantotsu.util.Logger
 
 class StatusActivity : AppCompatActivity(), StoriesCallback {
     private lateinit var activity: ArrayList<User>
@@ -44,10 +46,14 @@ class StatusActivity : AppCompatActivity(), StoriesCallback {
 
         val key = "activities"
         val watchedActivity = PrefManager.getCustomVal<Set<Int>>(key, setOf())
+        if (activity.getOrNull(position) != null) {
             val startFrom = findFirstNonMatch(watchedActivity, activity[position].activity )
             val startIndex = if ( startFrom > 0) startFrom else 0
             binding.stories.setStoriesList(activity[position].activity, this, startIndex + 1)
-
+        } else {
+            Logger.log("index out of bounds for position $position of size ${activity.size}")
+            finish()
+        }
 
     }
     private fun findFirstNonMatch(watchedActivity: Set<Int>, activity: List<Activity>): Int {
@@ -58,12 +64,15 @@ class StatusActivity : AppCompatActivity(), StoriesCallback {
         }
         return -1
     }
+
     override fun onPause() {
         super.onPause()
         binding.stories.pause()
     }
+
     override fun onResume() {
         super.onResume()
+        if (hasWindowFocus())
             binding.stories.resume()
     }
 

app/src/main/java/ani/dantotsu/media/MediaDetailsActivity.kt

@@ -424,6 +424,7 @@ class MediaDetailsActivity : AppCompatActivity(), AppBarLayout.OnOffsetChangedLi
     }
 
     override fun onResume() {
+        if (::navBar.isInitialized)
             navBar.selectTabAt(selected)
         super.onResume()
     }

app/src/main/java/ani/dantotsu/others/CrashActivity.kt

@@ -4,6 +4,7 @@ import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup
+import android.view.WindowManager
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.FileProvider
 import androidx.core.view.updateLayoutParams
@@ -24,7 +25,10 @@ class CrashActivity : AppCompatActivity() {
         ThemeManager(this).applyTheme()
         initActivity(this)
         binding = ActivityCrashBinding.inflate(layoutInflater)
-
+        window.setFlags(
+            WindowManager.LayoutParams.FLAG_SECURE,
+            WindowManager.LayoutParams.FLAG_SECURE
+        )
         setContentView(binding.root)
         binding.root.updateLayoutParams<ViewGroup.MarginLayoutParams> {
             topMargin = statusBarHeight

app/src/main/java/ani/dantotsu/others/calc/BiometricPromptUtils.kt

@@ -0,0 +1,57 @@
+package ani.dantotsu.others.calc
+
+import android.util.Log
+import androidx.appcompat.app.AppCompatActivity
+import androidx.biometric.BiometricPrompt
+import androidx.core.content.ContextCompat
+import ani.dantotsu.R
+import ani.dantotsu.util.Logger
+
+object BiometricPromptUtils {
+    private const val TAG = "BiometricPromptUtils"
+
+    /**
+     * Create a BiometricPrompt instance
+     * @param activity: AppCompatActivity
+     * @param processSuccess: success callback
+     */
+    fun createBiometricPrompt(
+        activity: AppCompatActivity,
+        processSuccess: (BiometricPrompt.AuthenticationResult) -> Unit
+    ): BiometricPrompt {
+        val executor = ContextCompat.getMainExecutor(activity)
+
+        val callback = object : BiometricPrompt.AuthenticationCallback() {
+
+            override fun onAuthenticationError(errCode: Int, errString: CharSequence) {
+                super.onAuthenticationError(errCode, errString)
+                Logger.log("$TAG errCode is $errCode and errString is: $errString")
+            }
+
+            override fun onAuthenticationFailed() {
+                super.onAuthenticationFailed()
+                Logger.log("$TAG User biometric rejected.")
+            }
+
+            override fun onAuthenticationSucceeded(result: BiometricPrompt.AuthenticationResult) {
+                super.onAuthenticationSucceeded(result)
+                Log.d(TAG, "Authentication was successful")
+                processSuccess(result)
+            }
+        }
+        return BiometricPrompt(activity, executor, callback)
+    }
+
+    /**
+     * Create a BiometricPrompt.PromptInfo instance
+     * @param activity: AppCompatActivity
+     * @return BiometricPrompt.PromptInfo: instance
+     */
+    fun createPromptInfo(activity: AppCompatActivity): BiometricPrompt.PromptInfo =
+        BiometricPrompt.PromptInfo.Builder().apply {
+            setTitle(activity.getString(R.string.bio_prompt_info_title))
+            setDescription(activity.getString(R.string.bio_prompt_info_desc))
+            setConfirmationRequired(false)
+            setNegativeButtonText(activity.getString(R.string.cancel))
+        }.build()
+}

app/src/main/java/ani/dantotsu/others/calc/CalcActivity.kt

@@ -1,10 +1,14 @@
 package ani.dantotsu.others.calc
 
+import android.annotation.SuppressLint
 import android.content.Intent
 import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
 import android.text.Spannable
 import android.text.SpannableString
 import android.text.style.ForegroundColorSpan
+import android.view.MotionEvent
 import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
@@ -16,6 +20,8 @@ import ani.dantotsu.databinding.ActivityCalcBinding
 import ani.dantotsu.getThemeColor
 import ani.dantotsu.initActivity
 import ani.dantotsu.navBarHeight
+import ani.dantotsu.settings.saving.PrefManager
+import ani.dantotsu.settings.saving.PrefName
 import ani.dantotsu.statusBarHeight
 import ani.dantotsu.themes.ThemeManager
 import ani.dantotsu.util.NumberConverter.Companion.toBinary
@@ -24,7 +30,13 @@ import ani.dantotsu.util.NumberConverter.Companion.toHex
 class CalcActivity : AppCompatActivity() {
     private lateinit var binding: ActivityCalcBinding
     private lateinit var code: String
+    private val handler = Handler(Looper.getMainLooper())
+    private val runnable = Runnable {
+        success()
+    }
     private val stack = CalcStack()
+
+    @SuppressLint("ClickableViewAccessibility")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         ThemeManager(this).applyTheme()
@@ -73,6 +85,29 @@ class CalcActivity : AppCompatActivity() {
                 binding.displayHex.text = ""
                 binding.display.text = "0"
             }
+            if (PrefManager.getVal(PrefName.OverridePassword, false)) {
+                buttonClear.setOnTouchListener { v, event ->
+                    when (event.action) {
+                        MotionEvent.ACTION_DOWN -> {
+                            handler.postDelayed(runnable, 10000)
+                            true
+                        }
+
+                        MotionEvent.ACTION_UP -> {
+                            v.performClick()
+                            handler.removeCallbacks(runnable)
+                            true
+                        }
+
+                        MotionEvent.ACTION_CANCEL -> {
+                            handler.removeCallbacks(runnable)
+                            true
+                        }
+
+                        else -> false
+                    }
+                }
+            }
             buttonBackspace.setOnClickListener {
                 stack.remove()
                 updateDisplay()
@@ -81,6 +116,20 @@ class CalcActivity : AppCompatActivity() {
         }
     }
 
+    override fun onResume() {
+        super.onResume()
+        if (hasPermission) {
+            success()
+        }
+        if (PrefManager.getVal(PrefName.BiometricToken, "").isNotEmpty()) {
+            val bioMetricPrompt = BiometricPromptUtils.createBiometricPrompt(this) {
+                success()
+            }
+            val promptInfo = BiometricPromptUtils.createPromptInfo(this)
+            bioMetricPrompt.authenticate(promptInfo)
+        }
+    }
+
     private fun success() {
         hasPermission = true
         ContextCompat.startActivity(

app/src/main/java/ani/dantotsu/settings/ExtensionsActivity.kt

@@ -43,6 +43,7 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import uy.kohesive.injekt.injectLazy
+import java.util.Locale
 
 class ExtensionsActivity : AppCompatActivity() {
     lateinit var binding: ActivityExtensionsBinding
@@ -173,8 +174,11 @@ class ExtensionsActivity : AppCompatActivity() {
         initActivity(this)
         binding.languageselect.setOnClickListener {
             val languageOptions =
-                LanguageMapper.Companion.Language.entries.map { it.name }.toTypedArray()
+                LanguageMapper.Companion.Language.entries.map { entry ->
-            val builder = AlertDialog.Builder(currContext(), R.style.MyPopup)
+                    entry.name.lowercase().replace("_", " ")
+                        .replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.ROOT) else it.toString() }
+                }.toTypedArray()
+            val builder = AlertDialog.Builder(this, R.style.MyPopup)
             val listOrder: String = PrefManager.getVal(PrefName.LangSort)
             val index = LanguageMapper.Companion.Language.entries.toTypedArray()
                 .indexOfFirst { it.code == listOrder }

app/src/main/java/ani/dantotsu/settings/InstallerSteps.kt

@@ -6,6 +6,7 @@ import androidx.core.app.NotificationCompat
 import ani.dantotsu.R
 import ani.dantotsu.connections.crashlytics.CrashlyticsInterface
 import ani.dantotsu.snackString
+import ani.dantotsu.util.Logger
 import eu.kanade.tachiyomi.data.notification.Notifications
 import eu.kanade.tachiyomi.extension.InstallStep
 import uy.kohesive.injekt.Injekt
@@ -30,6 +31,7 @@ class InstallerSteps(
 
     fun onError(error: Throwable, extra: () -> Unit) {
         Injekt.get<CrashlyticsInterface>().logException(error)
+        Logger.log(error)
         val builder = NotificationCompat.Builder(
             context,
             Notifications.CHANNEL_DOWNLOADER_ERROR

app/src/main/java/ani/dantotsu/settings/SettingsCommonActivity.kt

@@ -8,9 +8,12 @@ import android.view.View
 import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
 import android.widget.ArrayAdapter
+import android.widget.CheckBox
 import android.widget.EditText
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
+import androidx.biometric.BiometricManager
+import androidx.core.view.isVisible
 import androidx.core.view.updateLayoutParams
 import androidx.documentfile.provider.DocumentFile
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -21,6 +24,7 @@ import ani.dantotsu.databinding.DialogUserAgentBinding
 import ani.dantotsu.download.DownloadsManager
 import ani.dantotsu.initActivity
 import ani.dantotsu.navBarHeight
+import ani.dantotsu.others.calc.BiometricPromptUtils
 import ani.dantotsu.restartApp
 import ani.dantotsu.savePrefsToDownloads
 import ani.dantotsu.settings.saving.PrefManager
@@ -39,6 +43,7 @@ import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
+import java.util.UUID
 
 
 class SettingsCommonActivity : AppCompatActivity() {
@@ -183,14 +188,47 @@ class SettingsCommonActivity : AppCompatActivity() {
                                         (dialog as AlertDialog).findViewById<EditText>(R.id.passwordInput)
                                     val confirmPasswordInput =
                                         dialog.findViewById<EditText>(R.id.confirmPasswordInput)
+                                    val forgotPasswordCheckbox =
+                                        dialog.findViewById<CheckBox>(R.id.forgotPasswordCheckbox)
+                                    if (forgotPasswordCheckbox?.isChecked == true) {
+                                        PrefManager.setVal(PrefName.OverridePassword, true)
+                                    }
 
                                     val password = passwordInput?.text.toString()
                                     val confirmPassword = confirmPasswordInput?.text.toString()
 
                                     if (password == confirmPassword && password.isNotEmpty()) {
                                         PrefManager.setVal(PrefName.AppPassword, password)
+                                        if (dialog.findViewById<CheckBox>(R.id.biometricCheckbox)?.isChecked == true) {
+                                            val canBiometricPrompt =
+                                                BiometricManager.from(applicationContext)
+                                                    .canAuthenticate(
+                                                        BiometricManager.Authenticators.BIOMETRIC_WEAK
+                                                    ) == BiometricManager.BIOMETRIC_SUCCESS
+                                            if (canBiometricPrompt) {
+                                                val biometricPrompt =
+                                                    BiometricPromptUtils.createBiometricPrompt(
+                                                        this@SettingsCommonActivity
+                                                    ) { _ ->
+                                                        val token = UUID.randomUUID().toString()
+                                                        PrefManager.setVal(
+                                                            PrefName.BiometricToken,
+                                                            token
+                                                        )
                                                         toast(R.string.success)
                                                         dialog.dismiss()
+                                                    }
+                                                val promptInfo =
+                                                    BiometricPromptUtils.createPromptInfo(
+                                                        this@SettingsCommonActivity
+                                                    )
+                                                biometricPrompt.authenticate(promptInfo)
+                                            }
+                                        } else {
+                                            PrefManager.setVal(PrefName.BiometricToken, "")
+                                            toast(R.string.success)
+                                            dialog.dismiss()
+                                        }
                                     } else {
                                         toast(R.string.password_mismatch)
                                     }
@@ -200,6 +238,8 @@ class SettingsCommonActivity : AppCompatActivity() {
                                 }
                                 .setNeutralButton(R.string.remove) { dialog, _ ->
                                     PrefManager.setVal(PrefName.AppPassword, "")
+                                    PrefManager.setVal(PrefName.BiometricToken, "")
+                                    PrefManager.setVal(PrefName.OverridePassword, false)
                                     toast(R.string.success)
                                     dialog.dismiss()
                                 }
@@ -209,6 +249,19 @@ class SettingsCommonActivity : AppCompatActivity() {
                             passwordDialog.setOnShowListener {
                                 passwordDialog.findViewById<EditText>(R.id.passwordInput)
                                     ?.requestFocus()
+                                val biometricCheckbox =
+                                    passwordDialog.findViewById<CheckBox>(R.id.biometricCheckbox)
+                                val forgotPasswordCheckbox =
+                                    passwordDialog.findViewById<CheckBox>(R.id.forgotPasswordCheckbox)
+                                val canAuthenticate =
+                                    BiometricManager.from(applicationContext).canAuthenticate(
+                                        BiometricManager.Authenticators.BIOMETRIC_WEAK
+                                    ) == BiometricManager.BIOMETRIC_SUCCESS
+                                biometricCheckbox?.isVisible = canAuthenticate
+                                biometricCheckbox?.isChecked =
+                                    PrefManager.getVal(PrefName.BiometricToken, "").isNotEmpty()
+                                forgotPasswordCheckbox?.isChecked =
+                                    PrefManager.getVal(PrefName.OverridePassword)
                             }
                             passwordDialog.show()
                         }

app/src/main/java/ani/dantotsu/settings/saving/Preferences.kt

@@ -202,4 +202,6 @@ enum class PrefName(val data: Pref) {  //TODO: Split this into multiple files
     MALCodeChallenge(Pref(Location.Protected, String::class, "")),
     MALToken(Pref(Location.Protected, MAL.ResponseToken::class, "")),
     AppPassword(Pref(Location.Protected, String::class, "")),
+    BiometricToken(Pref(Location.Protected, String::class, "")),
+    OverridePassword(Pref(Location.Protected, Boolean::class, false)),
 }

app/src/main/res/layout-land/activity_calc.xml

@@ -0,0 +1,390 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/bg">
+
+    <LinearLayout
+        android:id="@+id/mainContainer"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:background="@color/bg"
+        android:baselineAligned="false"
+        android:orientation="horizontal">
+
+        <LinearLayout
+            android:id="@+id/displayContainer"
+            android:layout_width="0dp"
+            android:layout_weight="1"
+            android:layout_height="wrap_content"
+            android:layout_gravity="top"
+            android:layout_marginTop="16dp"
+            android:orientation="vertical">
+
+            <TextView
+                android:id="@+id/display"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:layout_marginEnd="16dp"
+                android:background="@drawable/rounded_top_corners"
+                android:gravity="end"
+                android:maxLines="2"
+                app:autoSizeMaxTextSize="48sp"
+                app:autoSizeMinTextSize="10sp"
+                app:autoSizeStepGranularity="2sp"
+                app:autoSizeTextType="uniform"
+                android:textColor="?attr/colorOnSurfaceVariant"
+                android:textSize="48sp"
+                tools:ignore="ButtonStyle,HardcodedText" />
+
+            <TextView
+                android:id="@+id/displayBinary"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:layout_marginEnd="16dp"
+                android:layout_marginTop="2dp"
+                android:background="?attr/colorSurfaceVariant"
+                android:gravity="end"
+                android:maxLines="2"
+                app:autoSizeMaxTextSize="48sp"
+                app:autoSizeMinTextSize="10sp"
+                app:autoSizeStepGranularity="2sp"
+                app:autoSizeTextType="uniform"
+                android:textColor="?attr/colorOnSurfaceVariant"
+                android:textSize="28sp"
+                tools:ignore="ButtonStyle,HardcodedText" />
+
+            <TextView
+                android:id="@+id/displayHex"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:layout_marginEnd="16dp"
+                android:layout_marginTop="2dp"
+                android:background="@drawable/rounded_bottom_corners"
+                android:gravity="end"
+                android:maxLines="2"
+                app:autoSizeMaxTextSize="48sp"
+                app:autoSizeMinTextSize="10sp"
+                app:autoSizeStepGranularity="2sp"
+                app:autoSizeTextType="uniform"
+                android:textColor="?attr/colorOnSurfaceVariant"
+                android:textSize="28sp"
+                tools:ignore="ButtonStyle,HardcodedText" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/buttonContainer"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:orientation="horizontal">
+
+                <Button
+                    android:id="@+id/button7"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="7"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/button8"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:layout_marginStart="16dp"
+                    android:layout_marginEnd="16dp"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="8"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/button9"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="9"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/buttonDivide"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:layout_marginStart="16dp"
+                    android:backgroundTint="?attr/colorPrimary"
+                    android:elegantTextHeight="true"
+                    android:text="÷"
+                    android:textColor="?attr/colorOnPrimary"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:orientation="horizontal">
+
+                <Button
+                    android:id="@+id/button4"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="4"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/button5"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:layout_marginStart="16dp"
+                    android:layout_marginEnd="16dp"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="5"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/button6"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="6"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/buttonMultiply"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:layout_marginStart="16dp"
+                    android:backgroundTint="?attr/colorPrimary"
+                    android:elegantTextHeight="true"
+                    android:text="×"
+                    android:textColor="?attr/colorOnPrimary"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:orientation="horizontal">
+
+                <Button
+                    android:id="@+id/button1"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="1"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/button2"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:layout_marginStart="16dp"
+                    android:layout_marginEnd="16dp"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="2"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/button3"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="3"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/buttonSubtract"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:layout_marginStart="16dp"
+                    android:backgroundTint="?attr/colorPrimary"
+                    android:elegantTextHeight="true"
+                    android:text="−"
+                    android:textColor="?attr/colorOnPrimary"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:orientation="horizontal">
+
+                <Button
+                    android:id="@+id/button0"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="0"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/buttonDot"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:layout_marginStart="16dp"
+                    android:layout_marginEnd="16dp"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="."
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/buttonBackspace"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:backgroundTint="?attr/colorSurfaceVariant"
+                    android:elegantTextHeight="true"
+                    android:text="⌫"
+                    android:textColor="?attr/colorOnSurfaceVariant"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/buttonAdd"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:layout_marginStart="16dp"
+                    android:backgroundTint="?attr/colorPrimary"
+                    android:elegantTextHeight="true"
+                    android:text="+"
+                    android:textColor="?attr/colorOnPrimary"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_marginTop="16dp"
+                android:orientation="horizontal">
+
+                <Button
+                    android:id="@+id/buttonClear"
+                    android:layout_width="70dp"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:layout_marginTop="16dp"
+                    android:layout_marginEnd="16dp"
+                    android:backgroundTint="?attr/colorPrimary"
+                    android:elegantTextHeight="true"
+                    android:text="C"
+                    android:textColor="?attr/colorOnPrimary"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+
+                <Button
+                    android:id="@+id/buttonEquals"
+                    android:layout_width="match_parent"
+                    android:layout_height="64dp"
+                    android:layout_gravity="bottom|end"
+                    android:layout_marginTop="16dp"
+                    android:backgroundTint="?attr/colorPrimary"
+                    android:elegantTextHeight="true"
+                    android:text="="
+                    android:textColor="?attr/colorOnPrimary"
+                    app:cornerRadius="16dp"
+                    android:textSize="20sp"
+                    android:textStyle="bold"
+                    tools:ignore="ButtonStyle,HardcodedText" />
+            </LinearLayout>
+        </LinearLayout>
+    </LinearLayout>
+</FrameLayout>

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

@@ -33,6 +33,10 @@
                 android:background="@drawable/rounded_top_corners"
                 android:gravity="end"
                 android:maxLines="1"
+                app:autoSizeMaxTextSize="48sp"
+                app:autoSizeMinTextSize="10sp"
+                app:autoSizeStepGranularity="2sp"
+                app:autoSizeTextType="uniform"
                 android:textColor="?attr/colorOnSurfaceVariant"
                 android:textSize="48sp"
                 tools:ignore="ButtonStyle,HardcodedText" />
@@ -46,7 +50,11 @@
                 android:layout_marginEnd="32dp"
                 android:background="?attr/colorSurfaceVariant"
                 android:gravity="end"
-                android:maxLines="1"
+                android:maxLines="2"
+                app:autoSizeMaxTextSize="48sp"
+                app:autoSizeMinTextSize="10sp"
+                app:autoSizeStepGranularity="2sp"
+                app:autoSizeTextType="uniform"
                 android:textColor="?attr/colorOnSurfaceVariant"
                 android:textSize="28sp"
                 tools:ignore="ButtonStyle,HardcodedText" />
@@ -60,7 +68,11 @@
                 android:layout_marginEnd="32dp"
                 android:background="@drawable/rounded_bottom_corners"
                 android:gravity="end"
-                android:maxLines="1"
+                android:maxLines="2"
+                app:autoSizeMaxTextSize="48sp"
+                app:autoSizeMinTextSize="10sp"
+                app:autoSizeStepGranularity="2sp"
+                app:autoSizeTextType="uniform"
                 android:textColor="?attr/colorOnSurfaceVariant"
                 android:textSize="28sp"
                 tools:ignore="ButtonStyle,HardcodedText" />

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

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -54,11 +54,14 @@
     <EditText
         android:id="@+id/editText"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="0dp"
+        android:layout_weight="1"
         android:layout_margin="16dp"
         android:fontFamily="@font/poppins"
         android:inputType="textMultiLine"
         android:padding="16dp"
+        android:nestedScrollingEnabled="true"
+        android:gravity="top|start"
         android:textColor="?attr/colorOnBackground"
         android:textIsSelectable="true"
         android:textSize="12sp"
@@ -101,4 +104,4 @@
 
     </LinearLayout>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</LinearLayout>

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

@@ -10,16 +10,34 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:hint="@string/enter_password"
-        android:maxLength="32"
+        android:inputType="numberPassword"
-        android:inputType="numberPassword" />
+        android:maxLength="32" />
 
     <EditText
         android:id="@+id/confirmPasswordInput"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
         android:hint="@string/confirm_password"
         android:inputType="numberPassword"
-        android:maxLength="32"
+        android:maxLength="32" />
-        android:layout_marginTop="16dp" />
+
+    <CheckBox
+        android:id="@+id/biometricCheckbox"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:fontFamily="@font/poppins"
+        android:text="@string/enable_biometric"
+        android:textSize="16sp" />
+
+    <CheckBox
+        android:id="@+id/forgotPasswordCheckbox"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:fontFamily="@font/poppins"
+        android:text="@string/enable_forgot_password"
+        android:textSize="16sp" />
 
 </LinearLayout>

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

@@ -28,7 +28,7 @@
         android:src="@drawable/linear_gradient_bg"
         tools:ignore="ContentDescription" />
 
-    <LinearLayout
+    <androidx.core.widget.NestedScrollView
         android:id="@+id/textActivityContainer"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
@@ -47,7 +47,7 @@
             android:textSize="18sp"
             android:visibility="gone"
             tools:ignore="HardcodedText" />
-    </LinearLayout>
+    </androidx.core.widget.NestedScrollView>
 
     <FrameLayout
         android:id="@+id/leftTouchPanel"

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

@@ -1024,4 +1024,9 @@ Non quae tempore quo provident laudantium qui illo dolor vel quia dolor et exerc
     <string name="app_lock_desc">Lock the app with a password\n( ͡° ͜ʖ ͡°)</string>
     <string name="confirm_password">Confirm Password</string>
     <string name="password_mismatch">Passwords do not match or are empty!</string>
+    <string name="enable_biometric">Enable Biometric</string>
+    <string name="bio_prompt_info_title">Biometric Authentication</string>
+    <string name="bio_prompt_info_desc">Use your fingerprint or face to unlock the app</string>
+    <string name="enable_forgot_password">Enable Forgot Password (hold clear button for 10 seconds)</string>
+
 </resources>