I’d like to supply an initial value to a text field and redraw it with an empty value to clear the text. What’s the best approach to do that...
I installed Flutter and set up Android Studio. Then I cloned an example of flutter on GitHub (https://github.com/flutter/flutter) and launched it in Android Studio, but it warns me “Dart...
I’m trying to construct a simple login page for my Flutter app. I’ve successfully built the TextFields and log in/Sign in buttons. I want to add a horizontal ListView....
I’m unable to find a way to create an input field in Flutter that would open up a numeric keyboard. Is this possible with Flutter material widgets? Some github...
I have created the app using Flutter create testapp. Now, I want to change the app name from “testapp” to “My Trips Tracker”. How can I do that? I...
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.java:156) at com.android.repository.api.SchemaModule.<init>(SchemaModule.java:75) at com.android.sdklib.repository.AndroidSdkHandler.<clinit>(AndroidSdkHandler.java:81) at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:73) at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:48) Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) ... 5 more...
As you can see, my button is inside the Scaffold‘s body. But I get this exception: Scaffold.of() called with a context that does not contain a Scaffold. import 'package:flutter/material.dart';...
I’m trying to create a line in which center text has a maximum size, and if the text content is too large, it fits in size. I insert the...
I am collecting user input with a TextFormField and when the user presses a FloatingActionButton indicating they are done, I want to dismiss the on screen keyboard. How do...
What is the difference between const and final keyword in Dart? 15 Answers 15