Prevent crash

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

@@ -67,4 +67,30 @@ public class FixedEditText extends AppCompatEditText {
             Log.e(ex);
         }
     }
+
+    @Override
+    public boolean performLongClick() {
+        try {
+            return super.performLongClick();
+        } catch (Throwable ex) {
+/*
+            java.lang.IllegalStateException: Drag shadow dimensions must be positive
+                    at android.view.View.startDragAndDrop(View.java:27316)
+                    at android.widget.Editor.startDragAndDrop(Editor.java:1340)
+                    at android.widget.Editor.performLongClick(Editor.java:1374)
+                    at android.widget.TextView.performLongClick(TextView.java:13544)
+                    at android.view.View.performLongClick(View.java:7928)
+                    at android.view.View$CheckForLongPress.run(View.java:29321)
+*/
+/*
+            java.lang.NullPointerException: Attempt to invoke virtual method 'int android.widget.Editor$SelectionModifierCursorController.getMinTouchOffset()' on a null object reference
+                    at android.widget.Editor.touchPositionIsInSelection(Unknown:36)
+                    at android.widget.Editor.performLongClick(Unknown:72)
+                    at android.widget.TextView.performLongClick(Unknown:24)
+*/
+            Log.w(ex);
+            return false;
+        }
+    }
+
 }