Summarize: error handling

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

@@ -53,6 +53,7 @@ public class FragmentDialogSummarize extends FragmentDialogBase {
         final TextView tvSubject = view.findViewById(R.id.tvSubject);
         final TextView tvSummary = view.findViewById(R.id.tvSummary);
         final TextView tvElapsed = view.findViewById(R.id.tvElapsed);
+        final TextView tvError = view.findViewById(R.id.tvError);
         final ContentLoadingProgressBar pbWait = view.findViewById(R.id.pbWait);
 
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
@@ -81,6 +82,7 @@ public class FragmentDialogSummarize extends FragmentDialogBase {
             protected void onPreExecute(Bundle args) {
                 tvSummary.setVisibility(View.GONE);
                 tvElapsed.setVisibility(View.GONE);
+                tvError.setVisibility(View.GONE);
                 pbWait.setVisibility(View.VISIBLE);
                 args.putLong("start", new Date().getTime());
             }
@@ -155,8 +157,8 @@ public class FragmentDialogSummarize extends FragmentDialogBase {
 
             @Override
             protected void onException(Bundle args, Throwable ex) {
-                tvSummary.setText(new ThrowableWrapper(ex).toSafeString());
+                tvError.setText(new ThrowableWrapper(ex).toSafeString());
-                tvSummary.setVisibility(View.VISIBLE);
+                tvError.setVisibility(View.VISIBLE);
             }
         }.execute(this, args, "message:summarize");
 

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

@@ -70,6 +70,19 @@
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tvSummary" />
 
+        <TextView
+            android:id="@+id/tvError"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:fontFamily="monospace"
+            android:text="Error"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textIsSelectable="true"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvElapsed" />
+
         <eu.faircode.email.ContentLoadingProgressBar
             android:id="@+id/pbWait"
             style="@style/Base.Widget.AppCompat.ProgressBar"
@@ -79,7 +92,7 @@
             android:indeterminate="true"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/tvElapsed"
+            app:layout_constraintTop_toBottomOf="@id/tvError"
             app:show_delay="0" />
     </androidx.constraintlayout.widget.ConstraintLayout>
 </ScrollView>