listview

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 5 years ago . Improve this question I'm trying to build a sms app. I've managed to get all the inbox message and display them in a thread but my approaching is probably wrong. I use a HashMap to store the address and based on it to delete existing message(only display the newest sms) public

问题 I have an expandable list View that has a check button, but the problem is I can only add one child item. dataItem.setSubCategory(arSubCategory); arCategory.add(dataItem); dataItem = new DataItem(); dataItem.setCategoryName("Art"); arSubCategory = new ArrayList<>(); for(int j = 1; j < 6; j++) { SubCategoryItem subCategoryItem = newSubCategoryItem(); subCategoryItem.setIsChecked(ConstantManager.CHECK_BOX_CHECKED_FALSE); subCategoryItem.setSubCategoryName("Art: "+j); arSubCategory.add

问题 I have an expandable list View that has a check button, but the problem is I can only add one child item. dataItem.setSubCategory(arSubCategory); arCategory.add(dataItem); dataItem = new DataItem(); dataItem.setCategoryName("Art"); arSubCategory = new ArrayList<>(); for(int j = 1; j < 6; j++) { SubCategoryItem subCategoryItem = newSubCategoryItem(); subCategoryItem.setIsChecked(ConstantManager.CHECK_BOX_CHECKED_FALSE); subCategoryItem.setSubCategoryName("Art: "+j); arSubCategory.add

问题 If I add an item to a listview, the items is added but the image is not showed. I have to restart application to view it. The Item is correctly added but the image is not visible. here the cs. ObservableCollection<Libreria> items = new ObservableCollection<Libreria>(new Libreria().GetLibrerie()); public Home() { InitializeComponent (); lstLibrerie.ItemsSource = items; //pickerLibrerie.ItemsSource = new Libreria().GetLibrerie(); } public void Reload(Libreria newLib) { items.Insert(0, newLib);

问题 Hoping you can advise as I've tried all methods to bind a picker in a Listview to my item source values using both code-behind and MVVM. The picker binding works outside of the ListView, but not inside - is this out of the box or just not possible? Please see my list below! code <ListView x:Name="TypesList" HeightRequest="53" BackgroundColor="White" IsGroupingEnabled="True" IsPullToRefreshEnabled="false" ItemsSource="{Binding Items}" IsRefreshing="{Binding IsBusy}" RefreshCommand="{Binding

问题 First I create a background color for listview items like below, I have two custom listview like this: My custom list for setting color: Code: @Override public View getView(final int position, View convertView, ViewGroup parent) { Holder holder = new Holder(); final View rowView; rowView = inflater.inflate(R.layout.table_one, null); holder.tv = (TextView) rowView.findViewById(R.id.textView1); holder.tv.setText(result[position]); rowView.setBackgroundColor(Color.WHITE); rowView

问题 I seem to have problems using custom styles for ListView. All online searches (stackOverflow and other sites) pty much say the same: - create an my_style.xml layout file. - use it in the adapter. But for some reason this doesn't seem to be working for me. MainAct.java: arrayAdapter = new ArrayAdapter<String>(this, android.R.layout.list_content, items); XML file: <?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id

问题 I want to create a listview of files on the disk for further processing when selected. So I created a listview with the columns filename, date, and size. I then load the listview with the following function: private void Window_Loaded(object sender, RoutedEventArgs e) { foreach (string s in Directory.GetLogicalDrives()) { filelist.Items.Add(s); } } This lists the drives in the system to start which is fine, but what shows up on screen is filename date size c:\ c:\ c:\ d:\ d:\ d:\ So, my

问题 I have minidemo with three fragments. One displays two TextView and an editview directly, the next treat the same layout as rows in a list with custom adapter, the third displays a plain list with standard adapter (simple_list_item_1) The activity uses a standard theme ( Theme.AppCompat.Light.DarkActionBar ), which I have not modified. I would have expected all three blocks to be styled similarly. Instead, the second block with the custom adapter does not seem to get styled according to the

问题 Here I want to display whole content of the listview item on the listview . How can I achive this? ArrayAdapter< String> myadapter = new ArrayAdapter<String>(getApplicationContext(), android.R.layout.simple_list_item_single_choice,answers); listview.setAdapter(myadapter); listview.setChoiceMode(ListView.CHOICE_MODE_SINGLE); Main.xml <ListView android:id="@+id/questions_list" android:layout_width="match_parent" android:layout_height="fill_parent" android:cacheColorHint="@android:color