disallow closing password dialog in start activity

app/src/main/java/org/monfluo/wallet/SettingsActivity.kt

@@ -159,7 +159,7 @@ class SettingsActivity : MoneroActivity() {
         }
 
         displaySeedButton.setOnClickListener {
-            val passwordDialog = PasswordBottomSheetDialog(walletService!!.getWalletOrThrow().info.path, object : PasswordBottomSheetDialog.Listener {
+            val passwordDialog = PasswordBottomSheetDialog(walletService!!.getWalletOrThrow().info.path, false, object : PasswordBottomSheetDialog.Listener {
                 override fun onCorrectPasswordSubmitted(self: PasswordBottomSheetDialog, password: String) {
                     self.dismiss()
                     displaySeedDialog()

app/src/main/java/org/monfluo/wallet/StartActivity.kt

@@ -2,6 +2,7 @@ package org.monfluo.wallet
 
 import android.content.Intent
 import android.os.Bundle
+import androidx.activity.OnBackPressedCallback
 import org.monfluo.wallet.fragment.dialog.PasswordBottomSheetDialog
 import org.monfluo.wallet.util.Constants
 import org.monfluo.wallet.util.Helper
@@ -33,7 +34,7 @@ class StartActivity : WalletOpeningActivity() {
         } else {
             Timber.d("${walletPaths.size} wallets found but multi-wallet mode is not enabled, asking for password to open a wallet")
             val walletPath = walletPaths.find { it.endsWith(Constants.DEFAULT_WALLET_NAME) } ?: walletPaths.first()
-            val passwordDialog = PasswordBottomSheetDialog(walletPath, object : PasswordBottomSheetDialog.Listener {
+            val passwordDialog = PasswordBottomSheetDialog(walletPath, true, object : PasswordBottomSheetDialog.Listener {
                 override fun onCorrectPasswordSubmitted(self: PasswordBottomSheetDialog, password: String) {
                     self.dismiss()
                     openWallet(walletPath, password)

app/src/main/java/org/monfluo/wallet/WalletActivity.kt

@@ -26,7 +26,7 @@ class WalletActivity : WalletOpeningActivity() {
         val walletPaths = org.monfluo.wallet.model.WalletManager.instance.findWallets(Helper.getWalletRoot(this).absolutePath)
         adapter = WalletAdapter(walletPaths, object : WalletAdapter.AccountAdapterListener {
             override fun onWalletSelected(walletPath: String) {
-                val passwordDialog = PasswordBottomSheetDialog(walletPath, object : PasswordBottomSheetDialog.Listener {
+                val passwordDialog = PasswordBottomSheetDialog(walletPath, false, object : PasswordBottomSheetDialog.Listener {
                     override fun onCorrectPasswordSubmitted(self: PasswordBottomSheetDialog, password: String) {
                         self.dismiss()
                         openWallet(walletPath, password)

app/src/main/java/org/monfluo/wallet/fragment/dialog/PasswordBottomSheetDialog.kt

@@ -8,12 +8,15 @@ import android.widget.Button
 import android.widget.EditText
 import android.widget.ImageButton
 import android.widget.Toast
+import androidx.activity.OnBackPressedCallback
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import org.monfluo.wallet.R
 import org.monfluo.wallet.util.Helper.getClipBoardText
+import timber.log.Timber
 
 class PasswordBottomSheetDialog(
     private val walletPath: String,
+    preventGoingBack: Boolean,
     private val listener: Listener,
 ) : BottomSheetDialogFragment() {
 
@@ -21,6 +24,10 @@ class PasswordBottomSheetDialog(
     private lateinit var unlockButton: Button
     private lateinit var pastePasswordImageButton: ImageButton
 
+    init {
+        isCancelable = !preventGoingBack
+    }
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -60,6 +67,7 @@ class PasswordBottomSheetDialog(
             walletPassword
         )
     }
+
     interface Listener {
         fun onCorrectPasswordSubmitted(self: PasswordBottomSheetDialog, password: String)
     }

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

@@ -60,7 +60,7 @@
             android:layout_height="wrap_content"
             android:layout_marginBottom="8dp"
             android:background="@drawable/edittext_bg"
-            android:digits="QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm1234567890.:-[]"
+            android:digits="QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm1234567890.:-[]/"
             android:hint="@string/node_address_hint"
             android:inputType="text"
             app:layout_constraintBottom_toTopOf="@id/trusted_node_checkbox"

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

@@ -60,7 +60,7 @@
             android:layout_height="wrap_content"
             android:layout_marginBottom="8dp"
             android:background="@drawable/edittext_bg"
-            android:digits="QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm1234567890.:-[]"
+            android:digits="QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm1234567890.:-[]/"
             android:hint="@string/node_address_hint"
             android:inputType="text"
             app:layout_constraintBottom_toTopOf="@id/trusted_node_checkbox"