Refactoring

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

@@ -2557,12 +2557,13 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                         private void onCopy() {
                             ClipboardManager clipboard =
                                     (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
-                            if (clipboard != null) {
+                            if (clipboard == null)
+                                return;
+
                             ClipData clip = ClipData.newPlainText(title, text);
                             clipboard.setPrimaryClip(clip);
                             ToastEx.makeText(context, R.string.title_clipboard_copied, Toast.LENGTH_LONG).show();
                         }
-                        }
                     });
 
                     ((ConstraintLayout) flow.getParent()).addView(button);
@@ -3718,14 +3719,18 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
 
         private void onActionCopyNote(TupleMessageEx message) {
+            if (TextUtils.isEmpty(message.notes))
+                return;
+
             ClipboardManager clipboard =
                     (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
-            if (clipboard != null && !TextUtils.isEmpty(message.notes)) {
+            if (clipboard == null)
+                return;
+
             ClipData clip = ClipData.newPlainText(context.getString(R.string.app_name), message.notes);
             clipboard.setPrimaryClip(clip);
             ToastEx.makeText(context, R.string.title_clipboard_copied, Toast.LENGTH_LONG).show();
         }
-        }
 
         private void onShow(final TupleMessageEx message, boolean full) {
             if (full && tvReformatted.getVisibility() == View.VISIBLE) {

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

@@ -655,7 +655,9 @@ public class FragmentCompose extends FragmentBase {
 
                 ClipboardManager clipboard =
                         (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE);
-                if (clipboard != null) {
+                if (clipboard == null)
+                    return;
+
                 ClipData clip = ClipData.newHtmlText(
                         getContext().getString(R.string.title_edit_signature_text),
                         HtmlHelper.getText(getContext(), identity.signature),
@@ -664,7 +666,6 @@ public class FragmentCompose extends FragmentBase {
 
                 ToastEx.makeText(getContext(), R.string.title_clipboard_copied, Toast.LENGTH_LONG).show();
             }
-            }
         });
 
         ibCloseRefHint.setOnClickListener(new View.OnClickListener() {

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

@@ -211,13 +211,14 @@ public class FragmentDialogOpenLink extends FragmentDialogBase {
             public void onClick(View v) {
                 ClipboardManager clipboard =
                         (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
-                if (clipboard != null) {
+                if (clipboard == null)
+                    return;
+
                 ClipData clip = ClipData.newPlainText(title, etLink.getText().toString());
                 clipboard.setPrimaryClip(clip);
 
                 ToastEx.makeText(context, R.string.title_clipboard_copied, Toast.LENGTH_LONG).show();
             }
-            }
         });
 
         cbSecure.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {