public class WareShow extends Activity {
private String[] bookname = new String[]{"从你的全世界路过","59秒的转动","心理罪","肖申克的救赎","疯狂Android讲义"};
private String[] penname = new String[]{"张嘉佳","周语","雷米","斯蒂芬","李刚"};
private String[] price = new String[]{"32¥","38¥","29¥","56¥","35¥"};
private int[] imageIds = new int[]{R.drawable.bg_01,
R.drawable.bg_04,
R.drawable.bg_02,
R.drawable.bg_05,
R.drawable.bg_03};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.book);
List<Map<String,Object>> listItem = new ArrayList<Map<String,Object>>();
for (int i = 0; i < bookname.length; i++) {
Map<String, Object> listItem1 = new HashMap<String,Object>();
listItem1.put("book", bookname[i]);
listItem1.put("pen", penname[i]);
listItem1.put("money", price);
listItem1.put("image", imageIds);
}
SimpleAdapter simpleAdapter = new SimpleAdapter(this,listItem,R.layout.book,new String[]{"book","pen","money","image"},new int[]{R.id.imageIds,R.id.tv1,R.id.tv2,R.id.tv3});
ListView listView = (ListView) findViewById(R.id.lv1);
listView.setAdapter(simpleAdapter);
}
}
这段代码没有报错但是运行时程序崩溃了
有没有大神解答,这报错实在找不出来,在线等
贴出你的错误信息,看看什么问题
你好,你的问题是少了一行代码,你使用Map集合放置数据后,必须要把这个map添加到List集合中,否则那个ListView控件没数据,即加上下面这行代码:
listItem.add(listItem1);// 把map对象添加到List集合中
listItem是空的。
应该是这个问题。
你应该吧log贴出来。不然怎么看错误。、。。。
listItem.add(listItem1);一楼正解,你都没加进去,listItem里面没东西当然不行