我有一个包含CheckedTextView的自定义列表视图。当我单击项目时,它不会切换对象的已检查状态并反映在ui中。
dialog_categories.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/parentPanel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="8dip"
android:layout_marginStart="8dip"
android:background="@color/primary_white"
android:orientation="vertical" >
<LinearLayout
android:id="@+id/title_template"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="16dip"
android:layout_marginStart="16dip"
android:gravity="center_vertical|start"
android:orientation="horizontal"
android:paddingTop="5dp" >
<TextView
android:id="@+id/textView1"
style="?android:attr/textAppearanceLarge"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingLeft="10dp"
android:text="@string/dialog_category_title"
android:textColor="@color/primary_color"
android:textSize="22sp" />
<TextView
android:id="@+id/all"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/dialog_category_checkbox"
android:textColor="@color/primary_color" />
<CheckBox
android:id="@+id/checkBoxAll"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingRight="6dp" />
</LinearLayout>
<View
android:id="@+id/titleDivider"
android:layout_width="match_parent"
android:layout_height="2dip"
android:background="@color/black" />
<LinearLayout
android:id="@+id/contentPanel"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:minHeight="64dp"
android:orientation="vertical" >
<ListView
android:id="@+id/listViewDialog"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
</ListView>
</LinearLayout>
<LinearLayout
android:id="@+id/buttonPanel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<Button
android:id="@+id/button_category_ok"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/dialog_category_btn_ok"
android:textSize="14sp" />
</LinearLayout>
</LinearLayout>
dialog_list_item_category.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<CheckedTextView
android:id="@+id/categories_checkbox"
android:layout_width="fill_parent"
android:layout_height="?android:attr/listPreferredItemHeight"
android:checkMark="?android:attr/listChoiceIndicatorMultiple"
android:gravity="center_vertical"
android:onClick="toggle"
android:text="sss" />
</RelativeLayout>
CategoriesDialogFragment.java
public class CategoriesDialogFragment extends SherlockDialogFragment {
CheckBox checkAll;
ListView categoriesListView;
CategoriesListAdapter adapter;
static Category category;
String[] categories = new String[] { "Hill Station", "Beach", "Historic",
"Wild Life", "Waterfall", "River", "Archeology" };
String[] categories_state = new String[] { "1", "0", "1", "1", "1", "1",
"0" };
public static CategoriesDialogFragment newInstance() {
CategoriesDialogFragment frag = new CategoriesDialogFragment();
Bundle args = new Bundle();
frag.setArguments(args);
return frag;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final Dialog dialog = new Dialog(MainActivity.context);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setContentView(R.layout.dialog_categories);
categoriesListView = (ListView) dialog
.findViewById(R.id.listViewDialog);
List<Category> theCategories = new ArrayList<Category>();
for (int i = 0; i < categories.length; i++) {
Category pl = new Category(categories[i], false);
theCategories.add(pl);
}
categoriesListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
adapter = new CategoriesListAdapter(MainActivity.context,
R.layout.dialog_list_item_category, theCategories);
categoriesListView.setAdapter(adapter);
checkAll = (CheckBox) dialog.findViewById(R.id.checkBoxAll);
checkAll.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
Toast.makeText(MainActivity.context, "Check",
Toast.LENGTH_SHORT).show();
if (isChecked) {
for (int i = 0; i < adapter.getCount(); i++) {
category = adapter.getItem(i);
category.setChecked(true);
}
adapter.notifyDataSetChanged();
} else {
for (int i = 0; i < adapter.getCount(); i++) {
category = adapter.getItem(i);
category.setChecked(false);
}
adapter.notifyDataSetChanged();
}
}
});
return dialog;
}
private static class CategoriesListAdapter extends ArrayAdapter<Category> {
public Context mContext;
List<Category> mCategories;
public CategoriesListAdapter(Context context, int resource,
List<Category> categories) {
super(context, resource, categories);
// TODO Auto-generated constructor stub
this.mCategories = categories;
this.mContext = context;
}
public int getCount() {
return mCategories.size();
}
@Override
public Category getItem(int position) {
// TODO Auto-generated method stub
return mCategories.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
LayoutInflater viewInflater;
viewInflater = LayoutInflater.from(getContext());
convertView = viewInflater.inflate(
R.layout.dialog_list_item_category, null);
holder = new ViewHolder();
holder.categoryName = (CheckedTextView) convertView
.findViewById(R.id.categories_checkbox);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.categoryName.setText(mCategories.get(position)
.getCategoryName());
return convertView;
}
static class ViewHolder {
CheckedTextView categoryName;
}
}
}
答案 0 :(得分:1)
您使用的是正确的xml吗? 有 dialog_list_item_categories.xml 但是在你的代码中,你无处不在 R.layout.dialog_list_item_category
答案 1 :(得分:1)
您可以使用android.R.layout.simple_list_item_multiple_choice
代替dialog_list_item_category.xml
吗?
更新:@ Luksprog的评论是解决方案:删除RelativeLayout
,它就像使用android.R.layout.simple_list_item_multiple_choice
一样。