HTML/JavaScript UI widgets GUI builder [closed]
I’v got a great one: http://spabuilder.appspot.com
widget
How can I put a widget above another widget in Flutter?
@override Widget build(BuildContext context) { // TODO: implement build return new Container( width: 150.0, height: 150.0, child: new Stack(children: <Widget>[ new Container( alignment: Alignment.center, color: Colors.redAccent, child: Text(‘Hello’), ), new Align(alignment: Alignment.bottomRight, child: FloatingActionButton( child: new Icon(Icons.add), onPressed: (){}), ) ], ), ); }
How to use @required annotation on Flutter constructor parameters?
Annotations need to be imported Adding at the top of your file import ‘package:flutter/foundation.dart’; should fix it. Annotations the DartAnalyzer understands are provided by the meta package. To make it easier for Flutter developers, the Flutter team decided to add the meta package to the Flutter SDK and re-export it in flutter/foundation.dart. The annotations by … Read more
How do you get a widget’s children in Qt?
You can use the findChild() function with the object name to get a specific child. You can also use findChildren() to get all the children that have the same name and then iterate through the list using foreach() or QListIterator. To get a button you can try: QPushButton* button = pWin->findChild<QPushButton*>(“Button name”);
How to add Multiple Floating button in Stack Widget in Flutter
You can use the Align widget to position your FloatingActionButton‘s in the Stack. Stack( children: <Widget>[ Align( alignment: Alignment.bottomLeft, child: FloatingActionButton(…), ), Align( alignment: Alignment.bottomRight, child: FloatingActionButton(…), ), ], ) One button uses constant Alignment.bottomLeft for its alignment property and the other one respectively Alignment.bottomRight.
How To Properly Update A Widget In Android 8.0 – Oreo – API 26
You don’t indicate what the update trigger mechanism is. You seem concerned about latency (“Your widget may or may not get updated for a while”), so I am going to assume that your concern is tied to user interaction with the app widget, such as tapping a button. Use JobScheduler to schedule a job as … Read more
Django Admin – Overriding the widget of a custom form field
The django admin uses custom widgets for many of its fields. The way to override fields is to create a Form for use with the ModelAdmin object. # forms.py from django import forms from django.contrib import admin class ProductAdminForm(forms.ModelForm): def __init__(self, *args, **kwargs): super(ProductAdminForm, self).__init__(*args, **kwargs) self.fields[‘tags’].widget = admin.widgets.AdminTextareaWidget() Then, in your ModelAdmin object, you … Read more
Is it possible to render web content over a clear background using WebKit?
Solved! Through ongoing research, scouring forums and source code repositories, I peiced together the necessary steps to accomplish this using only libwebkit and a standard compiz desktop (any Xorg desktop with compositing should do). For a current libwebkit (1.1.10-SVN), there is an Ubuntu PPA: deb http://ppa.launchpad.net/webkit-team/ppa/ubuntu jaunty main deb-src http://ppa.launchpad.net/webkit-team/ppa/ubuntu jaunty main As far as … Read more
Why do I get an InstantiationException if I try to start a service? [duplicate]
You service needs to have a public no-args constructor. Otherwize, Android will not be able to instantiate it. So replace public StatisticsWidgetUpdateService(String name) { super(name); } with public StatisticsWidgetUpdateService() { super(“SOME NAME”); }
How to maintain widgets aspect ratio in Qt?
You don’t have to implement your own layout manager. You can do with inheriting QWidget and reimplementing int QWidget::heightForWidth( int w ) { return w; } to stay square. However, heightForWidth() doesn’t work on toplevel windows on X11, since apparently the X11 protocol doesn’t support that. As for centering, you can pass Qt::AlignCenter as the … Read more