如何在gridview android中计算总值

// 创建一个包含数据的GridView
GridView gridView = findViewById(R.id.gridview);
gridView.setAdapter(adapter);

// 设置GridView项的点击监听器
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        // 获取GridView的所有项
        int count = parent.getChildCount();
        int total = 0;

        // 遍历每个项并计算总值
        for (int i = 0; i < count; i++) {
            View item = parent.getChildAt(i);
            // 提取需要计算的值，这里假设每个项都包含一个TextView用于显示值
            TextView valueTextView = item.findViewById(R.id.value_textview);
            int value = Integer.parseInt(valueTextView.getText().toString());
            total += value;
        }

        // 显示计算得到的总值
        Toast.makeText(MainActivity.this, "总值为：" + total, Toast.LENGTH_SHORT).show();
    }
});