Added quick setup error hints

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

@@ -66,6 +66,7 @@ public class FragmentQuickSetup extends FragmentBase {
     private ContentLoadingProgressBar pbCheck;
 
     private TextView tvError;
+    private TextView tvErrorHint;
     private Button btnHelp;
     private Button btnSupport;
     private TextView tvInstructions;
@@ -96,6 +97,7 @@ public class FragmentQuickSetup extends FragmentBase {
         pbCheck = view.findViewById(R.id.pbCheck);
 
         tvError = view.findViewById(R.id.tvError);
+        tvErrorHint = view.findViewById(R.id.tvErrorHint);
         btnHelp = view.findViewById(R.id.btnHelp);
         btnSupport = view.findViewById(R.id.btnSupport);
         tvInstructions = view.findViewById(R.id.tvInstructions);
@@ -402,6 +404,11 @@ public class FragmentQuickSetup extends FragmentBase {
             protected void onException(final Bundle args, Throwable ex) {
                 Log.e(ex);
 
+                if (ex instanceof AuthenticationFailedException)
+                    tvErrorHint.setText(R.string.title_setup_no_auth_hint);
+                else
+                    tvErrorHint.setText(R.string.title_setup_no_settings_hint);
+
                 if (ex instanceof IllegalArgumentException || ex instanceof UnknownHostException) {
                     tvError.setText(ex.getMessage());
                     grpError.setVisibility(View.VISIBLE);
@@ -409,7 +416,7 @@ public class FragmentQuickSetup extends FragmentBase {
                     new Handler().post(new Runnable() {
                         @Override
                         public void run() {
-                            scroll.smoothScrollTo(0, tvError.getBottom());
+                            scroll.smoothScrollTo(0, tvErrorHint.getBottom());
                         }
                     });
                 } else {

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

@@ -121,13 +121,26 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:autoLink="web"
-            android:text="error message"
+            android:text="Error message"
             android:textAppearance="@style/TextAppearance.AppCompat.Medium"
             android:textColor="?attr/colorWarning"
             android:textIsSelectable="true"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tvErrorTitle" />
 
+        <TextView
+            android:id="@+id/tvErrorHint"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="6dp"
+            android:autoLink="web"
+            android:text="Error hint"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textColor="?attr/colorWarning"
+            android:textIsSelectable="true"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvError" />
+
         <Button
             android:id="@+id/btnHelp"
             android:layout_width="wrap_content"
@@ -138,7 +151,7 @@
             android:textColor="?attr/colorInfoForeground"
             android:textStyle="bold"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/tvError" />
+            app:layout_constraintTop_toBottomOf="@id/tvErrorHint" />
 
         <Button
             android:id="@+id/btnSupport"
@@ -150,7 +163,7 @@
             android:textColor="?attr/colorInfoForeground"
             android:textStyle="bold"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/tvError" />
+            app:layout_constraintTop_toBottomOf="@id/tvErrorHint" />
 
         <TextView
             android:id="@+id/tvInstructions"
@@ -233,6 +246,6 @@
             android:id="@+id/grpError"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            app:constraint_referenced_ids="tvErrorTitle,tvError" />
+            app:constraint_referenced_ids="tvErrorTitle,tvError,tvErrorHint" />
     </androidx.constraintlayout.widget.ConstraintLayout>
 </ScrollView>

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

@@ -161,6 +161,8 @@
     <string name="title_setup_select_account">Select account</string>
     <string name="title_setup_instructions">Setup instructions</string>
     <string name="title_setup_no_settings">No settings found for domain \'%1$s\'</string>
+    <string name="title_setup_no_settings_hint">Please try to setup an account and identity in setup step 1 and 2 using the settings provided by your email provider</string>
+    <string name="title_setup_no_auth_hint">Please double check your email address and password and make sure external access (IMAP/SMTP) is enabled for your account</string>
     <string name="title_setup_no_system_folders">Inbox or draft folder not found</string>
     <string name="title_setup_quick_success">An account and an identity have successfully been added</string>
     <string name="title_setup_quick_failed">You can try to configure an account and an identity below too</string>