Java Android ListActivity致命异常
每当我尝试启动此活动时,都会出现此错误:Java Android ListActivity致命异常,java,android,listview,exception,listactivity,Java,Android,Listview,Exception,Listactivity,每当我尝试启动此活动时,都会出现此错误: 01-31 02:19:19.558: E/AndroidRuntime(1318): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.prva/com.example.prva.ListView}: java.lang.RuntimeException: Your content must have a ListView whose id at
01-31 02:19:19.558: E/AndroidRuntime(1318): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.prva/com.example.prva.ListView}: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
列表活动:
package com.example.prva;
import android.app.ListActivity;
import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.widget.SimpleCursorAdapter;
public class ListView extends ListActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.listview);
fillData();
}
private void fillData() {
// Get all of the notes from the database and create the item list
Cursor c = DatabaseManager.getAllData();
startManagingCursor(c);
String[] from = new String[] { DatabaseManager.TABLE_COLUMN_ONE };
int[] to = new int[] { R.id.text1 };
// Now create an array adapter and set it to display using our row
SimpleCursorAdapter notes =
new SimpleCursorAdapter(this, R.layout.notes_row, c, from, to);
setListAdapter(notes);
}
}
我的listview xml:
<?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="match_parent"
android:orientation="vertical" >
<ListView
android:id="@+id/list"
android:layout_width="match_parent"
android:layout_height="326dp" >
</ListView>
</LinearLayout>
我不明白这一点,因为我有一个listview,id是list?您必须使用默认的
android.R.id.list
,它位于@android:id
名称下@+id
使用名称列表创建您自己的id
因此,不是:
android:id="@+id/list"
使用以下命令:
android:id="@android:id/list"
将您的ListView id更改为
@android:id/list
,这将解决您的问题。.列表活动的ListView应具有@android:id/list
。我希望这将对您有所帮助