How are passwords stored?

app/src/main/java/eu/faircode/email/FragmentAccount.java

@@ -23,6 +23,7 @@ import android.app.NotificationManager;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
+import android.graphics.Paint;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -91,6 +92,7 @@ public class FragmentAccount extends FragmentBase {
     private EditText etUser;
     private TextInputLayout tilPassword;
     private TextView tvCharacters;
+    private TextView tvPasswordStorage;
     private Button btnCertificate;
     private TextView tvCertificate;
     private EditText etRealm;
@@ -195,6 +197,7 @@ public class FragmentAccount extends FragmentBase {
         etUser = view.findViewById(R.id.etUser);
         tilPassword = view.findViewById(R.id.tilPassword);
         tvCharacters = view.findViewById(R.id.tvCharacters);
+        tvPasswordStorage = view.findViewById(R.id.tvPasswordStorage);
         btnCertificate = view.findViewById(R.id.btnCertificate);
         tvCertificate = view.findViewById(R.id.tvCertificate);
         etRealm = view.findViewById(R.id.etRealm);
@@ -338,6 +341,14 @@ public class FragmentAccount extends FragmentBase {
             }
         });
 
+        tvPasswordStorage.setPaintFlags(tvPasswordStorage.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
+        tvPasswordStorage.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.viewFAQ(v.getContext(), 37);
+            }
+        });
+
         btnCertificate.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {

app/src/main/java/eu/faircode/email/FragmentIdentity.java

@@ -23,6 +23,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Color;
+import android.graphics.Paint;
 import android.net.Uri;
 import android.os.Bundle;
 import android.text.Editable;
@@ -97,6 +98,7 @@ public class FragmentIdentity extends FragmentBase {
     private EditText etUser;
     private TextInputLayout tilPassword;
     private TextView tvCharacters;
+    private TextView tvPasswordStorage;
     private Button btnCertificate;
     private TextView tvCertificate;
     private EditText etRealm;
@@ -192,6 +194,7 @@ public class FragmentIdentity extends FragmentBase {
         etUser = view.findViewById(R.id.etUser);
         tilPassword = view.findViewById(R.id.tilPassword);
         tvCharacters = view.findViewById(R.id.tvCharacters);
+        tvPasswordStorage = view.findViewById(R.id.tvPasswordStorage);
         btnCertificate = view.findViewById(R.id.btnCertificate);
         tvCertificate = view.findViewById(R.id.tvCertificate);
         etRealm = view.findViewById(R.id.etRealm);
@@ -313,6 +316,14 @@ public class FragmentIdentity extends FragmentBase {
             }
         });
 
+        tvPasswordStorage.setPaintFlags(tvPasswordStorage.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
+        tvPasswordStorage.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.viewFAQ(v.getContext(), 37);
+            }
+        });
+
         btnColor.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {

app/src/main/java/eu/faircode/email/FragmentPop.java

@@ -23,6 +23,7 @@ import android.app.NotificationManager;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
+import android.graphics.Paint;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -76,6 +77,7 @@ public class FragmentPop extends FragmentBase {
     private EditText etUser;
     private TextInputLayout tilPassword;
     private TextView tvCharacters;
+    private TextView tvPasswordStorage;
 
     private EditText etName;
     private ViewButtonColor btnColor;
@@ -138,6 +140,7 @@ public class FragmentPop extends FragmentBase {
         etUser = view.findViewById(R.id.etUser);
         tilPassword = view.findViewById(R.id.tilPassword);
         tvCharacters = view.findViewById(R.id.tvCharacters);
+        tvPasswordStorage = view.findViewById(R.id.tvPasswordStorage);
 
         etName = view.findViewById(R.id.etName);
         btnColor = view.findViewById(R.id.btnColor);
@@ -197,6 +200,14 @@ public class FragmentPop extends FragmentBase {
             }
         });
 
+        tvPasswordStorage.setPaintFlags(tvPasswordStorage.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
+        tvPasswordStorage.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.viewFAQ(v.getContext(), 37);
+            }
+        });
+
         btnColor.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {

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

@@ -293,6 +293,20 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tvCharacters" />
 
+        <eu.faircode.email.FixedTextView
+            android:id="@+id/tvPasswordStorage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:drawableEnd="@drawable/twotone_open_in_new_12"
+            android:drawablePadding="6dp"
+            android:drawableTint="?android:attr/textColorLink"
+            android:text="@string/title_password_storage"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textColor="?android:attr/textColorLink"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvCaseSensitive" />
+
         <Button
             android:id="@+id/btnCertificate"
             style="?android:attr/buttonStyleSmall"
@@ -302,7 +316,7 @@
             android:tag="disable"
             android:text="@string/title_client_certificate"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/tvCaseSensitive" />
+            app:layout_constraintTop_toBottomOf="@id/tvPasswordStorage" />
 
         <eu.faircode.email.FixedTextView
             android:id="@+id/tvCertificate"
@@ -980,7 +994,9 @@
             android:layout_width="0dp"
             android:layout_height="0dp"
             app:constraint_referenced_ids="
-                tvUser,etUser,tvPassword,tilPassword,tvCaseSensitive,btnCertificate,tvCertificate,tvRealm,etRealm,
+                tvUser,etUser,tvPassword,tilPassword,tvCaseSensitive,tvPasswordStorage,
+                btnCertificate,tvCertificate,
+                tvRealm,etRealm,
                 tvName,tvNameRemark,etName,
                 tvColor,btnColor,tvColorHint,tvColorPro" />
 

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

@@ -443,6 +443,20 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tvCharacters" />
 
+        <eu.faircode.email.FixedTextView
+            android:id="@+id/tvPasswordStorage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:drawableEnd="@drawable/twotone_open_in_new_12"
+            android:drawablePadding="6dp"
+            android:drawableTint="?android:attr/textColorLink"
+            android:text="@string/title_password_storage"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textColor="?android:attr/textColorLink"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvCaseSensitiveHint" />
+
         <Button
             android:id="@+id/btnCertificate"
             style="?android:attr/buttonStyleSmall"
@@ -452,7 +466,7 @@
             android:tag="disable"
             android:text="@string/title_client_certificate"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/tvCaseSensitiveHint" />
+            app:layout_constraintTop_toBottomOf="@id/tvPasswordStorage" />
 
         <eu.faircode.email.FixedTextView
             android:id="@+id/tvCertificate"
@@ -881,7 +895,8 @@
                 tvProvider,spProvider,
                 tvDomain,tvDomainHint,etDomain,btnAutoConfig,
                 tvSmtp,tvHost,etHost,tvEncryption,rgEncryption,cbInsecure,tvInsecureRemark,tvPort,etPort,
-                tvUser,etUser,tvPassword,tilPassword,tvCaseSensitiveHint,btnCertificate,tvCertificate,
+                tvUser,etUser,tvPassword,tilPassword,tvCaseSensitiveHint,tvPasswordStorage,
+                btnCertificate,tvCertificate,
                 tvRealm,etRealm,
                 cbUseIp,tvUseIpHint,tvEhlo,etEhlo,
                 cbSynchronize,cbPrimary,cbSelf,tvSelfHint,

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

@@ -192,6 +192,31 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tilPassword" />
 
+        <eu.faircode.email.FixedTextView
+            android:id="@+id/tvCaseSensitive"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="6dp"
+            android:text="@string/title_case_sensitive"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textStyle="italic"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvCharacters" />
+
+        <eu.faircode.email.FixedTextView
+            android:id="@+id/tvPasswordStorage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:drawableEnd="@drawable/twotone_open_in_new_12"
+            android:drawablePadding="6dp"
+            android:drawableTint="?android:attr/textColorLink"
+            android:text="@string/title_password_storage"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textColor="?android:attr/textColorLink"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvCaseSensitive" />
+
         <!-- name -->
 
         <eu.faircode.email.FixedTextView
@@ -202,7 +227,7 @@
             android:text="@string/title_account_name"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/tvCharacters" />
+            app:layout_constraintTop_toBottomOf="@id/tvPasswordStorage" />
 
         <eu.faircode.email.FixedTextView
             android:id="@+id/tvNameRemark"

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

@@ -687,6 +687,7 @@
     <string name="title_port">Port number</string>
     <string name="title_user">User name</string>
     <string name="title_password">Password</string>
+    <string name="title_password_storage">How are passwords stored?</string>
     <string name="title_case_sensitive">Usernames and passwords are usually case sensitive</string>
     <string name="title_client_certificate">Client certificate</string>
     <string name="title_realm">Realm</string>