Fix codinguser#891 - When editing transactions, new lines are replace…

…d with spaces.

When the description TextView loses focus and before the transaction is saved, all new lines are replaced with spaces.

app/src/main/java/org/gnucash/android/ui/transaction/TransactionFormFragment.java

@@ -454,9 +454,27 @@ public void onItemClick(AdapterView<?> adapterView, View view, int position, lon
             }
         });
 
+        mDescriptionEditText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+            @Override
+            public void onFocusChange(View view, boolean hasFocus) {
+                if (!hasFocus && view instanceof AutoCompleteTextView) {
+                    TransactionFormFragment.this.sanitizeDescription();
+                }
+            }
+        });
+
         mDescriptionEditText.setAdapter(adapter);
     }
 
+    /**
+     * Removes new line characters from the description text field and replaces them with spaces.
+     */
+    private void sanitizeDescription() {
+        String original = mDescriptionEditText.getText().toString();
+        mDescriptionEditText.setText(original.replaceAll("\\r?\\n", " "));
+    }
+
+
     /**
 	 * Initialize views in the fragment with information from a transaction.
 	 * This method is called if the fragment is used for editing a transaction
@@ -845,6 +863,8 @@ private void saveNewTransaction() {
             return;
         }
 
+        sanitizeDescription();
+
         Transaction transaction = extractTransactionFromView();
         if (mEditMode) { //if editing an existing transaction
             transaction.setUID(mTransaction.getUID());