Prevent EML OOM

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

@@ -44,7 +44,6 @@ import androidx.constraintlayout.widget.Group;
 import com.google.android.material.snackbar.Snackbar;
 import com.sun.mail.imap.IMAPFolder;
 
-import java.io.ByteArrayOutputStream;
 import java.io.InputStream;
 import java.util.List;
 import java.util.Properties;
@@ -75,7 +74,6 @@ public class ActivityEml extends ActivityBase {
         final TextView tvParts = findViewById(R.id.tvParts);
         final TextView tvBody = findViewById(R.id.tvBody);
         final TextView tvHtml = findViewById(R.id.tvHtml);
-        final TextView tvEml = findViewById(R.id.tvEml);
         final ContentLoadingProgressBar pbWait = findViewById(R.id.pbWait);
         final Group grpReady = findViewById(R.id.grpReady);
 
@@ -158,12 +156,11 @@ public class ActivityEml extends ActivityBase {
                     result.parts = HtmlHelper.fromHtml(sb.toString());
 
                     result.html = parts.getHtml(context);
-                    if (result.html != null)
+                    if (result.html != null) {
                         result.body = HtmlHelper.fromHtml(HtmlHelper.sanitize(context, result.html, false));
-
+                        if (result.html.length() > 100 * 1024)
-                    ByteArrayOutputStream bos = new ByteArrayOutputStream();
+                            result.html = null;
-                    imessage.writeTo(bos);
+                    }
-                    result.eml = new String(bos.toByteArray());
 
                     return result;
                 }
@@ -181,7 +178,6 @@ public class ActivityEml extends ActivityBase {
                 tvParts.setText(result.parts);
                 tvBody.setText(result.body);
                 tvHtml.setText(result.html);
-                tvEml.setText(result.eml.substring(0, Math.min(10 * 1024, result.eml.length()))); // prevent ANR
                 grpReady.setVisibility(View.VISIBLE);
             }
 
@@ -318,6 +314,5 @@ public class ActivityEml extends ActivityBase {
         Spanned parts;
         Spanned body;
         String html;
-        String eml;
     }
 }

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

@@ -222,29 +222,6 @@
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/vSeparatorHtml" />
 
-            <View
-                android:id="@+id/vSeparatorEml"
-                android:layout_width="0dp"
-                android:layout_height="1dp"
-                android:layout_marginTop="3dp"
-                android:background="?attr/colorSeparator"
-                app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@id/tvHtml" />
-
-            <TextView
-                android:id="@+id/tvEml"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="3dp"
-                android:fontFamily="monospace"
-                android:text="EML"
-                android:textAppearance="@style/TextAppearance.AppCompat.Small"
-                android:textIsSelectable="true"
-                app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@id/vSeparatorEml" />
-
             <androidx.constraintlayout.widget.Group
                 android:id="@+id/grpReady"
                 android:layout_width="0dp"
@@ -259,8 +236,7 @@
                     vSeparatorHeaders,tvHeaders,
                     vSeparatorParts,tvParts,
                     vSeparatorBody,tvBody,
-                    vSeparatorHtml,tvHtml,
+                    vSeparatorHtml,tvHtml" />
-                    vSeparatorEml,tvEml" />
         </androidx.constraintlayout.widget.ConstraintLayout>
     </ScrollView>