@Override public boolean onOperation(int id) { mFileViewInteractionHub.addContextMenuSelectedItem(); switch (id) { case R.id.button_operation_copy: // bar 复制 case GlobalConsts.MENU_COPY: copyFileInFileView(mFileViewInteractionHub.getSelectedFileList()); mFileViewInteractionHub.clearSelection(); break; case R.id.button_operation_move: case GlobalConsts.MENU_MOVE: // bar 粘贴 startMoveToFileView(mFileViewInteractionHub.getSelectedFileList()); mFileViewInteractionHub.clearSelection(); break; case GlobalConsts.OPERATION_UP_LEVEL: // 返回上一级目录 (Home) setHasOptionsMenu(false); showPage(ViewPage.Home); break; default: return false; } return true; }