【Android】请问如何从字符串数组依次取值赋值到TextView上?

问题描述:我想在LinearLayout里动态添加一些TextView。TextView的个数是根据字符串数组的长度决定的,TextView显示的文字是从数字符串组的下标依次取出来的。问题是赋给TextView的值是重复的数组最后一位,如图:

图片说明

for (int i = 0; i < m_nListSize; i++)
        {
            m_GridLayoutPoetry.addView (createButton ());
            m_LinearLayoutHint.addView (creatTextView ());
        } 
 private TextView creatTextView ()
    {
        m_TextViewPoetryHint = new TextView (this);
        m_TextViewPoetryHint.setText (getRandomHint ());
        m_TextViewPoetryHint.setTextSize (24);
        return m_TextViewPoetryHint;
    }
 private String getRandomHint ()
    {
        int nPosition = 0;
        String strRandomText;

        for (int i = 0; i < m_ArrayListPoetryHint.size (); i++)
        {
            nPosition = i;
        }

        strRandomText = m_ArrayListPoetryHint.get (nPosition);
//        m_ArrayListPoetryHint.remove (nPosition);
        return strRandomText;
    }

没那么麻烦的

 for (int i = 0; i < m_nListSize; i++)
        {
            m_GridLayoutPoetry.addView (createButton ());
            m_LinearLayoutHint.addView (creatTextView (i));//你在这里把位置i传进去
        } 
    private TextView creatTextView (int i)
    {
        m_TextViewPoetryHint = new TextView (this);
        m_TextViewPoetryHint.setText (m_ArrayListPoetryHint.get (i));//这里就不用那个getRandomHint方法了直接根据位置获得需要的文本
        m_TextViewPoetryHint.setTextSize (24);
        return m_TextViewPoetryHint;
    }

思路:
1,textview的数据结构你没有搞清楚,textview类似于一个字符串类型
2,你可以将数组中的文字循环放在一个字符串变量中,
3,然后将字符串变量直接给textview显示,

// m_ArrayListPoetryHint.remove (nPosition);你把这句注释了,所以每次都是拿到数组的最后一位, 假如你改成m_ArrayListPoetryHint.remove (0);那就是顺序拿到你想要的字符串了,不过你这样写容易出异常,因为可能remove多次之后,m_ArrayListPoetryHint.size()==0