public class MainActivity extends Activity {
String[] object = { "刘备", "关羽", "张飞", "赵云", "马超", "诸葛亮" };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListView listView = (ListView) findViewById(R.id.listview1);
ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this,
R.layout.item, object);
listView.setAdapter(arrayAdapter);
}
}mainactivity布局如下:<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<ListView
android:id="@+id/listview1"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</ListView>
</RelativeLayout>item布局如下:<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="哈哈"
android:textSize="25sp" />
</LinearLayout>一运行就会报错,报出错误内容为:java.lang.ClassCastException: android.widget.LinearLayout cannot be cast to android.widget.TextView刚学Android求大神指教,这是怎么回事。。?
- 2 回答
- 0 关注
- 1189 浏览
添加回答
举报
0/150
提交
取消