listviewitem

问题 Created a QtGui.QListWidget list widget: myListWidget = QtGui.QListWidget() Populated this ListWidget with QListWidgetItem list items: for word in ['cat', 'dog', 'bird']: list_item = QtGui.QListWidgetItem(word, myListWidget) Now connect a function on list_item's left click: def print_info(): print myListWidget.currentItem().text() myListWidget.currentItemChanged.connect(print_info) As you see from my code all I am getting on a left click is a list_item's label name. But aside from a label

问题 Created a QtGui.QListWidget list widget: myListWidget = QtGui.QListWidget() Populated this ListWidget with QListWidgetItem list items: for word in ['cat', 'dog', 'bird']: list_item = QtGui.QListWidgetItem(word, myListWidget) Now connect a function on list_item's left click: def print_info(): print myListWidget.currentItem().text() myListWidget.currentItemChanged.connect(print_info) As you see from my code all I am getting on a left click is a list_item's label name. But aside from a label

问题 When i am removing item from listview , my uwp app blink ...please tell me how to solve this issue. here is the link for video that shows my error. https://drive.google.com/file/d/1NLfr9cfoHwm-Vh2fgPAjsGoqnmGzw2d9/view?usp=sharing 来源： https://stackoverflow.com/questions/65787915/how-to-remove-flicker-or-blinking-when-removing-items-from-listview-in-uwp

问题 I am currently developing an Android project which makes use of a Homescreen Widget to display data to the user. The view that I used in the Widget is a ListView . Below are my codes: WidgetService Class public class WidgetService extends RemoteViewsService { @Override public RemoteViewsFactory onGetViewFactory(Intent intent) { return (new WidgetRemoteViewsFactory(this.getApplicationContext(), intent)); } } WidgetProvider Class public class WidgetProvider extends AppWidgetProvider { @Override

问题 I am currently developing an Android project which makes use of a Homescreen Widget to display data to the user. The view that I used in the Widget is a ListView . Below are my codes: WidgetService Class public class WidgetService extends RemoteViewsService { @Override public RemoteViewsFactory onGetViewFactory(Intent intent) { return (new WidgetRemoteViewsFactory(this.getApplicationContext(), intent)); } } WidgetProvider Class public class WidgetProvider extends AppWidgetProvider { @Override

问题 I'm trying to create a context menu, so that when you right click the ListViewItem , the user is presented with a list of options. The problem is; I can't get the refrenced item linked to the ListViewItem in the Click event. I think it may be because I'm putting the ContextMenu in the wrong place in my XAML. I have been searching and playing around for ages, but think it could have something to do with the DataTemplate I'm using where the examples weren't in templates. <ListView Margin="0"

问题 I have listview items that contains 1 button in it. Listview item's default height is 60. When i click listview item's button, that row(contains the button clicked)'s height should change to 100. When i click that button again row's height should change back to 60. I'm really can't find out how to implement this. When i click Row1's details button, Row1's height should change to 100. If i click it again it's heigth should change back to 60. I'm adding buttons to listview items like this :

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

问题 I created a simple Android ListView with an ArrayAdapter as shown below ListView lView; ArrayList<String> listItems; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); lView = findViewById(R.id.mainListView); listItems = new ArrayList<>(); updateView(42); lView.setOnItemClickListener(new OnItemClickListener(){ @Override public void onItemClick(AdapterView<?> p1, View p2, int p3, long p4) { View v = lView.getChildAt(p3 -

问题 I created a simple Android ListView with an ArrayAdapter as shown below ListView lView; ArrayList<String> listItems; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); lView = findViewById(R.id.mainListView); listItems = new ArrayList<>(); updateView(42); lView.setOnItemClickListener(new OnItemClickListener(){ @Override public void onItemClick(AdapterView<?> p1, View p2, int p3, long p4) { View v = lView.getChildAt(p3 -