在这种情况下，我的Switch station应该以break或return x退出吗？

Question

在我的应用程序中，用户可以选择一个文本，并使用图像上显示的选项设置其样式。在查看我的代码时，我想知道我的switch语句的cases语句是break还是return true/false以及它是否有任何影响？我可以通过使用Log.d();看到break退出switch方法，使用return保持在switch方法中

那么在这种情况下，案例中发生了什么重要吗

开关盒的方法：

@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {


        switch (item.getItemId()) {

            case R.id.textcolor:

                f3 = ColorPickerDialogFrag2.newInstance(3, Color.WHITE);
                f3.setStyle(安卓.support.v4.app.DialogFragment.STYLE_NORMAL, R.style.AppTheme);
                f3.show(fragmentManager, "d");

                f3.setListener(this);

                break;


            //--------------------BOLD----------------------------
            case R.id.bold:

                styleSpans = str.getSpans(selectionStart, selectionEnd, StyleSpan.class);

                for (int i = 0; i < styleSpans.length; i++) {
                    if (styleSpans[i].getStyle() == 安卓.graphics.Typeface.BOLD) {
                        str.removeSpan(styleSpans[i]);
                        exists = true;
                    }
                }

                if (!exists) {
                    str.setSpan(new StyleSpan(安卓.graphics.Typeface.BOLD), selectionStart, selectionEnd,
                            Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
                }

                editText.setSelection(selectionStart, selectionEnd);

                return true;
            //--------------------ITALIC----------------------------
            case R.id.italic:

                styleSpans = str.getSpans(selectionStart, selectionEnd, StyleSpan.class);

                for (int i = 0; i < styleSpans.length; i++) {
                    if (styleSpans[i].getStyle() == 安卓.graphics.Typeface.ITALIC) {
                        str.removeSpan(styleSpans[i]);
                        exists = true;
                    }
                }

                if (!exists) {
                    str.setSpan(new StyleSpan(安卓.graphics.Typeface.ITALIC), selectionStart, selectionEnd,
                            Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
                }

                editText.setSelection(selectionStart, selectionEnd);
                Log.d(LOG_TAG, "italic");
                break;
            //--------------------UNDERLINE----------------------------
            case R.id.underline:

                UnderlineSpan[] underSpan = str.getSpans(selectionStart, selectionEnd, UnderlineSpan.class);

                for (int i = 0; i < underSpan.length; i++) {
                    str.removeSpan(underSpan[i]);
                    exists = true;
                }


                if (!exists) {
                    str.setSpan(new UnderlineSpan(), selectionStart, selectionEnd, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
                }

                editText.setSelection(selectionStart, selectionEnd);
                Log.d(LOG_TAG, "underline");
                return true;

            //--------------------STROKE----------------------------
            case R.id.stroke:
                Log.d(LOG_TAG, "stroke");
                安卓.text.style.StrikethroughSpan[] strokeSpan = str.getSpans(selectionStart, selectionEnd, 安卓.text.style.StrikethroughSpan.class);

                for (int i = 0; i < strokeSpan.length; i++) {
                    str.removeSpan(strokeSpan[i]);
                    exists = true;
                }

                if (!exists) {
                    str.setSpan(new 安卓.text.style.StrikethroughSpan(), selectionStart, selectionEnd, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
                }

                editText.setSelection(selectionStart, selectionEnd);

                return false;

            case R.id.increase:
                Log.d(LOG_TAG, "increase");
                str.setSpan(new RelativeSizeSpan(1.1f), selectionStart, selectionEnd, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
                editText.setSelection(selectionStart, selectionEnd);

                break;

            case R.id.decrease:

                str.setSpan(new RelativeSizeSpan(0.9f), selectionStart, selectionEnd, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
                editText.setSelection(selectionStart, selectionEnd);

                break;

            case 安卓.R.id.cut:

                CharSequence charSequence = editText.getText().subSequence(selectionStart, selectionEnd);
                ClipboardManager clipboard = (ClipboardManager) context.getSystemService(CLIPBOARD_SERVICE);
                ClipData clip = ClipData.newPlainText("simple text", charSequence);
                clipboard.setPrimaryClip(clip);

                editText.getText().replace(selectionStart, selectionEnd, "");
                Toast.makeText(context, R.string.toastCopy, Toast.LENGTH_SHORT).show();

                break;

            case 安卓.R.id.copy:

                charSequence = editText.getText().subSequence(selectionStart, selectionEnd);
                clipboard = (ClipboardManager) context.getSystemService(CLIPBOARD_SERVICE);
                clip = ClipData.newPlainText("simple text", charSequence);
                clipboard.setPrimaryClip(clip);
                Toast.makeText(context, R.string.toastCopy, Toast.LENGTH_SHORT).show();

                break;

            case R.id.textfont:

                FontFragment fontFragment = new FontFragment(selectionStart, selectionEnd, editText);
                fontFragment.setStyle(DialogFragment.STYLE_NO_TITLE, R.style.CustomDialog);
                fontFragment.show(fragmentManager, "fontfragment");

                break;
        }
    }

    Log.d(LOG_TAG, "out of switch");
    return true;

}