ListView 长按弹出菜单

pointlist
                .setOnCreateContextMenuListener(new OnCreateContextMenuListener() {

                    @Override
                    public void onCreateContextMenu(ContextMenu menu,
                            View arg1, ContextMenuInfo arg2) {
                        // TODO Auto-generated method stub
                        menu.add(0, 0, 0, "查看历史曲线");
                        // menu.add(0, 1, 0, "删除");
                        // menu.add(0, 2, 0, "删除ALL");
                    }
                });

 

    // 长按菜单响应函数
    public boolean onContextItemSelected(MenuItem item) {

        AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item
                .getMenuInfo();
        MID = (int) info.id;// 这里的info.id对应的就是数据库中_id的值

        switch (item.getItemId()) {
        case 0:
            // 添加操作
            Toast.makeText(PointActivity.this, "查看历史曲线", Toast.LENGTH_SHORT)
                    .show();
            break;
        }
        return super.onContextItemSelected(item);
    }