实现iphone设置界面的listview控件

自定义ListView控件实现分组显示

最新推荐文章于 2025-09-11 20:00:00 发布

转载最新推荐文章于 2025-09-11 20:00:00 发布 · 2k 阅读

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#listview #iphone #null #constructor #layout #image

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本文介绍如何使用自定义的SettingListView控件，实现在ListView中以分组形式展示设置项，包括文本、图片等不同类型的设置项，并通过适配器更新数据。

http://blog.chinaunix.net/uid-20561882-id-3167146.html

效果图片：

自定义listview控件

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public class SettingListView extends ListView {
public ArrayList<HashMap<String, List<SettingItem>>> mSettingList = new ArrayList<HashMap<String, List<SettingItem>>>();
protected LayoutInflater mInflater;
// protected LinearLayout mContentView;
public SettingListView(Context context, AttributeSet attrs) {
super(context, attrs);
mInflater = LayoutInflater.from(getContext());
this.setDivider(null);
// TODO Auto-generated constructor stub
}
public SettingListView(Context context) {
super(context);
mInflater = LayoutInflater.from(getContext());
setDivider(null);
}
public void clearSettingList() {
mSettingList.clear();
}
public void updateAdapter() {
this.setAdapter(new SettingListAdapter());
}
public class SettingListAdapter extends BaseAdapter {
@Override
public int getCount() {
// TODO Auto-generated method stub
return mSettingList.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return mSettingList.get(position);
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(int position, View view, ViewGroup parent) {
// TODO Auto-generated method stub
int divider = getContext().getResources().getDimensionPixelSize(
R.dimen.detail_list_divider);
String groupTitle = "";
boolean isShowGroupTitle = false;
view = mInflater.inflate(R.layout.setting_grouped_item_layout, null);
LinearLayout mContentView = (LinearLayout) view.findViewById(R.id.group_root);
TextView groupTitleView = (TextView) view.findViewById(R.id.group_title);
View viewchild = null;
HashMap<String, List<SettingItem>> settingItems = mSettingList.get(position);
Iterator it = settingItems.entrySet().iterator();
while (it.hasNext()) {
java.util.Map.Entry entry = (java.util.Map.Entry) it.next();
if (!"".equals(entry.getKey()) && !isShowGroupTitle) {
groupTitle = (String) entry.getKey();
isShowGroupTitle = true;
groupTitleView.setText(groupTitle);
groupTitleView.setVisibility(View.VISIBLE);
}
List<SettingItem> itemList = (List<SettingItem>) entry.getValue();
int i = 0;
for (SettingItem item : itemList) {
switch (item.getType()) {
case SettingItem.TEXT:
// mWidget = (TextView)view.findViewById(R.id.widget);
ViewHolderText viewHolderText = new ViewHolderText();
viewchild = mInflater.inflate(
R.layout.setting_entry_text, null);
viewHolderText.mGroupTitle = (TextView) viewchild.findViewById(R.id.setting_name);
if (item.getText() == null)
viewHolderText.mGroupTitle.setVisibility(View.GONE);
else {
viewHolderText.mGroupTitle.setVisibility(View.VISIBLE);
viewHolderText.mGroupTitle.setText(item.getText());
}
// viewchild.setOnClickListener(item.getClickListener());
break;
case SettingItem.IMAGE:
ViewHolderImage viewHolderImage = new ViewHolderImage();
viewchild = mInflater.inflate(
R.layout.setting_entry_image, null);
viewHolderImage.mGroupTitle = (TextView) viewchild.findViewById(R.id.setting_name);
viewHolderImage.mWidget = (ImageView) viewchild.findViewById(R.id.widget);
if (item.getText() == null)
viewHolderImage.mGroupTitle.setVisibility(View.GONE);
else {
viewHolderImage.mGroupTitle.setVisibility(View.VISIBLE);
viewHolderImage.mGroupTitle.setText(item.getText());
}
if (item.getImage() > 0) {
viewHolderImage.mWidget.setBackgroundResource(item.getImage());
viewHolderImage.mWidget.setVisibility(View.VISIBLE);
} else {
viewHolderImage.mWidget.setVisibility(View.GONE);
}
// viewchild.setOnClickListener(item.getClickListener());
break;
default:
break;
}
viewchild.setTag(item);
viewchild.setBackgroundDrawable(SkinFactory.from(getContext()).getSkinStyle().getDrawable(
getBackgroup(i, itemList.size(), true)));
viewchild.setOnClickListener(item.getClickListener());
mContentView.addView(viewchild);
LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) view.getLayoutParams();
if (params == null) {
params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
}
if (i == itemList.size() - 1 && i != mSettingList.size() - 1)
params.bottomMargin = divider;
if (itemList.size() > 1 && i < itemList.size() - 1) {
ImageView dividerImage = new ImageView(getContext());
dividerImage.setBackgroundDrawable(SkinFactory.from(getContext()).getSkinStyle().getDrawable(
getDividerStyle(i, itemList.size())));
mContentView.addView(dividerImage, params);
}
i++;
}
}
return view;
}
}
public class ViewHolderText {
public TextView mGroupTitle;
}
public class ViewHolderImage {
public TextView mGroupTitle;
public ImageView mWidget;
}
public class ViewHolderCheckbox {
public TextView mGroupTitle;
public CheckBox mCheckBox;
}
public class ViewHolderRadio {
public TextView mGroupTitle;
public RadioButton mRadio;
}
}