Pin passwords

app/src/main/java/sushi/hardcore/droidfs/ChangePasswordActivity.kt

@@ -3,6 +3,7 @@ package sushi.hardcore.droidfs
 import android.annotation.SuppressLint
 import android.os.Build
 import android.os.Bundle
+import android.text.InputType
 import android.view.MenuItem
 import android.view.View
 import android.widget.Toast
@@ -39,6 +40,11 @@ class ChangePasswordActivity: BaseActivity() {
         if (!usfFingerprint || fingerprintProtector == null) {
             binding.checkboxSavePassword.visibility = View.GONE
         }
+        if (sharedPrefs.getBoolean(ConstValues.PIN_PASSWORDS_KEY, false)) {
+            arrayOf(binding.editCurrentPassword, binding.editNewPassword, binding.editPasswordConfirm).forEach {
+                it.inputType = InputType.TYPE_CLASS_NUMBER or InputType.TYPE_NUMBER_VARIATION_PASSWORD
+            }
+        }
         binding.editPasswordConfirm.setOnEditorActionListener { _, _, _ ->
             changeVolumePassword()
             true

app/src/main/java/sushi/hardcore/droidfs/ConstValues.kt

@@ -16,6 +16,7 @@ object ConstValues {
     const val DEFAULT_THEME_VALUE = "dark_green"
     const val THUMBNAIL_MAX_SIZE_KEY = "thumbnail_max_size"
     const val DEFAULT_THUMBNAIL_MAX_SIZE = 10_000L
+    const val PIN_PASSWORDS_KEY = "pin_passwords"
     private val FILE_EXTENSIONS = mapOf(
         Pair("image", listOf("png", "jpg", "jpeg", "gif", "webp", "bmp", "heic")),
         Pair("video", listOf("mp4", "webm", "mkv", "mov")),

app/src/main/java/sushi/hardcore/droidfs/MainActivity.kt

@@ -9,6 +9,7 @@ import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.os.IBinder
+import android.text.InputType
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
@@ -524,11 +525,16 @@ class MainActivity : BaseActivity(), VolumeAdapter.Listener {
                 onPasswordSubmitted(volume, position, dialogBinding)
             }
             .create()
-        dialogBinding.editPassword.setOnEditorActionListener { _, _, _ ->
+        dialogBinding.editPassword.apply {
+            setOnEditorActionListener { _, _, _ ->
                 dialog.dismiss()
                 onPasswordSubmitted(volume, position, dialogBinding)
                 true
             }
+            if (sharedPrefs.getBoolean(ConstValues.PIN_PASSWORDS_KEY, false)) {
+                inputType = InputType.TYPE_CLASS_NUMBER or InputType.TYPE_NUMBER_VARIATION_PASSWORD
+            }
+        }
         dialog.window?.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE)
         dialog.show()
     }

app/src/main/java/sushi/hardcore/droidfs/add_volume/AddVolumeActivity.kt

@@ -3,6 +3,7 @@ package sushi.hardcore.droidfs.add_volume
 import android.os.Bundle
 import android.view.MenuItem
 import sushi.hardcore.droidfs.BaseActivity
+import sushi.hardcore.droidfs.ConstValues
 import sushi.hardcore.droidfs.R
 import sushi.hardcore.droidfs.databinding.ActivityAddVolumeBinding
 
@@ -68,6 +69,7 @@ class AddVolumeActivity: BaseActivity() {
                     themeValue,
                     volumePath,
                     isHidden,
+                    sharedPrefs.getBoolean(ConstValues.PIN_PASSWORDS_KEY, false),
                     sharedPrefs.getBoolean("usf_fingerprint", false),
                 )
             )

app/src/main/java/sushi/hardcore/droidfs/add_volume/CreateVolumeFragment.kt

@@ -3,6 +3,7 @@ package sushi.hardcore.droidfs.add_volume
 import android.annotation.SuppressLint
 import android.os.Build
 import android.os.Bundle
+import android.text.InputType
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -22,12 +23,14 @@ class CreateVolumeFragment: Fragment() {
         private const val KEY_THEME_VALUE = "theme"
         private const val KEY_VOLUME_PATH = "path"
         private const val KEY_IS_HIDDEN = "hidden"
+        private const val KEY_PIN_PASSWORDS = ConstValues.PIN_PASSWORDS_KEY
         private const val KEY_USF_FINGERPRINT = "fingerprint"
 
         fun newInstance(
             themeValue: String,
             volumePath: String,
             isHidden: Boolean,
+            pinPasswords: Boolean,
             usfFingerprint: Boolean,
         ): CreateVolumeFragment {
             return CreateVolumeFragment().apply {
@@ -35,6 +38,7 @@ class CreateVolumeFragment: Fragment() {
                     putString(KEY_THEME_VALUE, themeValue)
                     putString(KEY_VOLUME_PATH, volumePath)
                     putBoolean(KEY_IS_HIDDEN, isHidden)
+                    putBoolean(KEY_PIN_PASSWORDS, pinPasswords)
                     putBoolean(KEY_USF_FINGERPRINT, usfFingerprint)
                 }
             }
@@ -60,11 +64,12 @@ class CreateVolumeFragment: Fragment() {
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        requireArguments().let { arguments ->
+        val pinPasswords = requireArguments().let { arguments ->
             arguments.getString(KEY_THEME_VALUE)?.let { themeValue = it }
             volumePath = arguments.getString(KEY_VOLUME_PATH)!!
             isHiddenVolume = arguments.getBoolean(KEY_IS_HIDDEN)
             usfFingerprint = arguments.getBoolean(KEY_USF_FINGERPRINT)
+            arguments.getBoolean(KEY_PIN_PASSWORDS)
         }
         volumeDatabase = VolumeDatabase(requireContext())
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
@@ -73,6 +78,11 @@ class CreateVolumeFragment: Fragment() {
         if (!usfFingerprint || fingerprintProtector == null) {
             binding.checkboxSavePassword.visibility = View.GONE
         }
+        if (pinPasswords) {
+            arrayOf(binding.editPassword, binding.editPasswordConfirm).forEach {
+                it.inputType = InputType.TYPE_CLASS_NUMBER or InputType.TYPE_NUMBER_VARIATION_PASSWORD
+            }
+        }
         binding.editPasswordConfirm.setOnEditorActionListener { _, _, _ ->
             createVolume()
             true

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

@@ -0,0 +1,16 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="28dp"
+    android:viewportWidth="150"
+    android:viewportHeight="165">
+    <path android:fillColor="?attr/colorAccent" android:pathData="M62.539,0L87.461,0A7.539,7.539 0,0 1,95 7.539L95,22.461A7.539,7.539 0,0 1,87.461 30L62.539,30A7.539,7.539 0,0 1,55 22.461L55,7.539A7.539,7.539 0,0 1,62.539 0z"/>
+    <path android:fillColor="?attr/colorAccent" android:pathData="M7.539,0L32.461,0A7.539,7.539 0,0 1,40 7.539L40,22.461A7.539,7.539 0,0 1,32.461 30L7.539,30A7.539,7.539 0,0 1,0 22.461L0,7.539A7.539,7.539 0,0 1,7.539 0z"/>
+    <path android:fillColor="?attr/colorAccent" android:pathData="M117.539,-0L142.461,-0A7.539,7.539 0,0 1,150 7.539L150,22.461A7.539,7.539 0,0 1,142.461 30L117.539,30A7.539,7.539 0,0 1,110 22.461L110,7.539A7.539,7.539 0,0 1,117.539 -0z"/>
+    <path android:fillColor="?attr/colorAccent" android:pathData="M62.539,45L87.461,45A7.539,7.539 0,0 1,95 52.539L95,67.461A7.539,7.539 0,0 1,87.461 75L62.539,75A7.539,7.539 0,0 1,55 67.461L55,52.539A7.539,7.539 0,0 1,62.539 45z"/>
+    <path android:fillColor="?attr/colorAccent" android:pathData="M7.539,45L32.461,45A7.539,7.539 0,0 1,40 52.539L40,67.461A7.539,7.539 0,0 1,32.461 75L7.539,75A7.539,7.539 0,0 1,0 67.461L0,52.539A7.539,7.539 0,0 1,7.539 45z"/>
+    <path android:fillColor="?attr/colorAccent" android:pathData="M117.539,45L142.461,45A7.539,7.539 0,0 1,150 52.539L150,67.461A7.539,7.539 0,0 1,142.461 75L117.539,75A7.539,7.539 0,0 1,110 67.461L110,52.539A7.539,7.539 0,0 1,117.539 45z"/>
+    <path android:fillColor="?attr/colorAccent" android:pathData="M62.539,90L87.461,90A7.539,7.539 0,0 1,95 97.539L95,112.461A7.539,7.539 0,0 1,87.461 120L62.539,120A7.539,7.539 0,0 1,55 112.461L55,97.539A7.539,7.539 0,0 1,62.539 90z"/>
+    <path android:fillColor="?attr/colorAccent" android:pathData="M7.539,90L32.461,90A7.539,7.539 0,0 1,40 97.539L40,112.461A7.539,7.539 0,0 1,32.461 120L7.539,120A7.539,7.539 0,0 1,0 112.461L0,97.539A7.539,7.539 0,0 1,7.539 90z"/>
+    <path android:fillColor="?attr/colorAccent" android:pathData="M117.539,90L142.461,90A7.539,7.539 0,0 1,150 97.539L150,112.461A7.539,7.539 0,0 1,142.461 120L117.539,120A7.539,7.539 0,0 1,110 112.461L110,97.539A7.539,7.539 0,0 1,117.539 90z"/>
+    <path android:fillColor="?attr/colorAccent" android:pathData="M62.539,135L87.461,135A7.539,7.539 0,0 1,95 142.539L95,157.461A7.539,7.539 0,0 1,87.461 165L62.539,165A7.539,7.539 0,0 1,55 157.461L55,142.539A7.539,7.539 0,0 1,62.539 135z"/>
+</vector>

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

@@ -240,4 +240,6 @@
     <string name="default_open">Open this volume when launching the application</string>
     <string name="remove_default_open">Don\'t open by default</string>
     <string name="elements_selected">%d/%d selected</string>
+    <string name="pin_passwords_title">Numeric keypad layout</string>
+    <string name="pin_passwords_summary">Use a numeric keypad layout when entering volume passwords</string>
 </resources>

app/src/main/res/xml/root_preferences.xml

@@ -26,6 +26,13 @@
             android:defaultValue="false"
             android:icon="@drawable/icon_mod"/>
 
+        <SwitchPreferenceCompat
+            android:title="@string/pin_passwords_title"
+            android:summary="@string/pin_passwords_summary"
+            android:key="pin_passwords"
+            android:defaultValue="false"
+            android:icon="@drawable/icon_num_pad"/>
+
     </PreferenceCategory>
 
     <PreferenceCategory android:title="@string/explorer">