fix: use fixed menu width so URL field displays fully

- set popup width to 50% of screen
   - make URL EditText single-line with horizontal scroll

Author: ystinia

app/src/main/java/com/openipc/decoder/Decoder.java

@@ -356,7 +356,8 @@ private void createMenu(View menu) {
         LinearLayout layout = new LinearLayout(this);
         layout.setOrientation(LinearLayout.VERTICAL);
 
-        PopupWindow popup = new PopupWindow(layout, LinearLayout.LayoutParams.WRAP_CONTENT,
+        int menuWidth = (int) (getResources().getDisplayMetrics().widthPixels * 0.5);
+        PopupWindow popup = new PopupWindow(layout, menuWidth,
                 LinearLayout.LayoutParams.WRAP_CONTENT, true);
         popup.showAtLocation(menu, Gravity.TOP | Gravity.START, 0, 0);
 
@@ -485,6 +486,7 @@ private EditText createEdit(String title) {
         text.setTextColor(Color.WHITE);
         text.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14);
         text.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
+        text.setSingleLine(true);
         text.setImeOptions(EditorInfo.IME_ACTION_DONE);
         text.setSelection(text.getText().length());
         focusChange(text);