问题描述
我得到一个错误在我的logcat中说:你的内容必须有一个ListView,其id属性是'android.R.id.list'。我的code编译和运行,但是当我开始我的列表视图活动力关闭。我已经在许多类似的问题被选中,这似乎是一个常见的问题,但我仍然无法修复我的code。
宣言:
私人的ListView LV;
语境mContext;
名单mList;
的String [] testcontacts;
消息查看AA = NULL;
@覆盖
公共无效的onCreate(包savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.firstlist);
testcontacts = getResources()
.getStringArray(R.array.testcontacts_array);
AA =新的消息查看();
的lv = getListView(); / *(的ListView)lv.findViewById(R.id.list);不得不注释掉,它无法找到列表* /
lv.setAdapter(AA);
lv.setTextFilterEnabled(真正的);
lv.setOnItemClickListener(新OnItemClickListener(){
公共无效onItemClick(适配器视图<>母公司视图中查看,
INT位置,长的id){
//单击时,显示出与TextView的文字敬酒
Toast.makeText(getApplicationContext(),
((TextView中)查看).getText(),Toast.LENGTH_SHORT).show();
}
});
}
类消息查看扩展ArrayAdapter<字符串> {
消息查看(){
超(FirstLoginActivity.this,android.R.layout.activity_list_item,
testcontacts);
// TODO自动生成构造函数存根
}
公共查看getView(INT位置,查看convertview,ViewGroup中父){
Log.d(EBZ,getView方法内);
ViewHolder持有人;
视图V = convertview;
如果(V == NULL){
Log.d(EBZ,如果v ==空);
LayoutInflater充气= getLayoutInflater();
V = inflater.inflate(R.layout.list_items,NULL);
持有人=新ViewHolder();
holder.firstLine =(TextView中)v.findViewById(R.id.firstLine);
holder.secondLine =(TextView中)v.findViewById(R.id.secondLine);
holder.icon1 =(ImageView的)v.findViewById(R.id.icon1);
holder.icon2 =(ImageView的)v.findViewById(R.id.icon2);
v.setTag(保持器);
} 其他 {
支架=(ViewHolder)v.getTag();
}
holder.firstLine.setText(testcontacts [位置]);
holder.secondLine.setText(testcontacts [位置]);
holder.icon1.setImageBitmap(空);
holder.icon2.setImageBitmap(空);
//直接调用图像?
返回伏;
}
类ViewHolder {
TextView的firstLine中;
TextView的secondLine;
ImageView的ICON1;
ImageView的图标2;
}
}
}
我的XML
< XML版本=1.0编码=UTF-8&GT?;
< RelativeLayout的的xmlns:机器人=http://schemas.android.com/apk/res/android
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:方向=垂直>
< RelativeLayout的
机器人:ID =@ + ID / top_control_bar
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT>
<的TextView
机器人:ID =@ + ID / textView1
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_marginBottom =10dp
机器人:layout_weight =1
机器人:后台=#cc252a
机器人:paddingBottom会=10dp
机器人:以下属性来=10dp
机器人:paddingTop =10dp
机器人:文本=这将改变
机器人:textAppearance =:/>中的Android ATTR / textAppearanceLarge?
< / RelativeLayout的>
<的LinearLayout
机器人:ID =@ + ID / bottom_control_bar
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignParentBottom =真正的>
< / LinearLayout中>
<的ListView
机器人:ID =@ + ID /列表
机器人:layout_width =FILL_PARENT
机器人:layout_height =0dip
机器人:layout_above =@ ID / bottom_control_bar
机器人:layout_below =@ ID / top_control_bar
机器人:choiceMode =multipleChoice/>
< / RelativeLayout的>
我的ListItems的:
< XML版本=1.0编码=UTF-8&GT?;
< RelativeLayout的的xmlns:机器人=http://schemas.android.com/apk/res/android
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:方向=垂直>
< RelativeLayout的
机器人:ID =@ + ID / top_control_bar
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT>
<的TextView
机器人:ID =@ + ID / textView1
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_marginBottom =10dp
机器人:layout_weight =1
机器人:后台=#cc252a
机器人:paddingBottom会=10dp
机器人:以下属性来=10dp
机器人:paddingTop =10dp
机器人:文本=这将改变
机器人:textAppearance =:/>中的Android ATTR / textAppearanceLarge?
< / RelativeLayout的>
<的LinearLayout
机器人:ID =@ + ID / bottom_control_bar
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_alignParentBottom =真正的>
< / LinearLayout中>
<的ListView
机器人:ID =@ + ID /列表
机器人:layout_width =FILL_PARENT
机器人:layout_height =0dip
机器人:layout_above =@ ID / bottom_control_bar
机器人:layout_below =@ ID / top_control_bar
机器人:choiceMode =multipleChoice
机器人:分隔=#cc252a
机器人:dividerHeight =14.5dp/>
< / RelativeLayout的>
您可能正在使用一个ListActivity。
在你firstlist.xml更换ID为:
<的ListView
机器人:ID =@机器人:ID /列表
...
ListActivity查找ID R.android.id.list你的XML是@android:ID /列表
另外,也要看看这篇文章:ListView其id属性为android.R.id.list错误时,我有ListView控件ID设置正确
I am getting an error in my logcat saying "Your content must have a ListView whose id attribute is 'android.R.id.list'". My code compiles and runs but force closes when I start my listview activity. I've checked on many similar questions, it seems to be a common problem but I am still unable to fix my code.
The Declaration:
private ListView lv;
Context mContext;
List mList;
String[] testcontacts;
MessageView aa = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.firstlist);
testcontacts = getResources()
.getStringArray(R.array.testcontacts_array);
aa = new MessageView();
lv = getListView();/*(ListView) lv.findViewById(R.id.list); Had to comment out, it cannot find list*/
lv.setAdapter(aa);
lv.setTextFilterEnabled(true);
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// When clicked, show a toast with the TextView text
Toast.makeText(getApplicationContext(),
((TextView) view).getText(), Toast.LENGTH_SHORT).show();
}
});
}
class MessageView extends ArrayAdapter<String> {
MessageView() {
super(FirstLoginActivity.this, android.R.layout.activity_list_item,
testcontacts);
// TODO Auto-generated constructor stub
}
public View getView(int position, View convertview, ViewGroup parent) {
Log.d("Ebz", "inside getView method");
ViewHolder holder;
View v = convertview;
if (v == null) {
Log.d("Ebz", "if v == null");
LayoutInflater inflater = getLayoutInflater();
v = inflater.inflate(R.layout.list_items, null);
holder = new ViewHolder();
holder.firstLine = (TextView) v.findViewById(R.id.firstLine);
holder.secondLine = (TextView) v.findViewById(R.id.secondLine);
holder.icon1 = (ImageView) v.findViewById(R.id.icon1);
holder.icon2 = (ImageView) v.findViewById(R.id.icon2);
v.setTag(holder);
} else {
holder = (ViewHolder) v.getTag();
}
holder.firstLine.setText(testcontacts[position]);
holder.secondLine.setText(testcontacts[position]);
holder.icon1.setImageBitmap(null);
holder.icon2.setImageBitmap(null);
// call the images directly?
return v;
}
class ViewHolder {
TextView firstLine;
TextView secondLine;
ImageView icon1;
ImageView icon2;
}
}
}
My XML
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical" >
<RelativeLayout
android:id="@+id/top_control_bar"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/textView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="10dp"
android:layout_weight="1"
android:background="#cc252a"
android:paddingBottom="10dp"
android:paddingLeft="10dp"
android:paddingTop="10dp"
android:text="This will be Changed"
android:textAppearance="?android:attr/textAppearanceLarge" />
</RelativeLayout>
<LinearLayout
android:id="@+id/bottom_control_bar"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true" >
</LinearLayout>
<ListView
android:id="@+id/list"
android:layout_width="fill_parent"
android:layout_height="0dip"
android:layout_above="@id/bottom_control_bar"
android:layout_below="@id/top_control_bar"
android:choiceMode="multipleChoice" />
</RelativeLayout>
My ListItems:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical" >
<RelativeLayout
android:id="@+id/top_control_bar"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/textView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="10dp"
android:layout_weight="1"
android:background="#cc252a"
android:paddingBottom="10dp"
android:paddingLeft="10dp"
android:paddingTop="10dp"
android:text="This will be Changed"
android:textAppearance="?android:attr/textAppearanceLarge" />
</RelativeLayout>
<LinearLayout
android:id="@+id/bottom_control_bar"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true" >
</LinearLayout>
<ListView
android:id="@+id/list"
android:layout_width="fill_parent"
android:layout_height="0dip"
android:layout_above="@id/bottom_control_bar"
android:layout_below="@id/top_control_bar"
android:choiceMode="multipleChoice"
android:divider="#cc252a"
android:dividerHeight="14.5dp" />
</RelativeLayout>
You are probably using a ListActivity.
In you firstlist.xml replace the id to:
<ListView
android:id="@android:id/list"
...
ListActivity looks for the id R.android.id.list which you in xml is @android:id/list.
Also look at this post: ListView whose id attribute is 'android.R.id.list' Error when I have the ListView id set correctly
这篇关于列表视图错误:&QUOT;你的内容必须有一个ListView,其id属性是'android.R.id.list'&QUOT;的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!