表达式的类型必须是数组类型，但已解析为int [英] The type of the expression must be an array type but it resolved to int

问题描述

我在Android应用程序中遇到以下错误：

I get the following error in my android app:

表达式的类型必须是数组类型，但解析为int

The type of the expression must be an array type but it resolved to int

protected void onListItemClick(ListView lv, View v, int position, long id) {
    super.onListItemClick(lv, v, position, id);
    String openClass = R.array.calc_categories[position]; //error on this line
    try {
        Class selected = Class.forName("com.calculator.commonCalculatios." + openClass);
        Intent selectedIntent = new Intent(this, selected);
        startActivity(selectedIntent);

推荐答案

您可能想要这样的东西：

You probably want something like this:

String openClass = getResources().getStringArray(R.array.calc_categories)[position]

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