1. Problem description An app based on calling service is being developed. One requirement is to make calls through a list of phone numbers and make two-way recording at the same time (regular customer service phone recording reservation). I used to u...
for example, the error message is as follows: java.lang.reflect.InvocationTargetException at sun.reflect.GeneratedMethodAccessor53.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java...
the build.gradle in the flutter project is configured with Aliyun s maven library. You can update the gradle normally, as follows: buildscript { repositories { maven{ url https: maven.aliyun.com repository google } maven{ url...
follow the tutorial: https: github.com flutter fl... step to introduce flutter into an existing project in the completion step: : ERROR: Could not find method testImplementation() for arguments [junit:junit:4.12] on object of type org.gradle.api....
] [1] how to use futter to achieve the effect of line feeds in the following historical search? Under the guidance of God, please be grateful ...
main_model with a, b two mixin model, how to call the method of b in a ...
download flutter in the first step, decompress it in the second step, and add the environment variable% flutter% bin third, no problem -sharp flutter doctor Doctor summary (to see all details, run flutter doctor -v): [] Flutter (Channel stable, v1.0....
how to solve the problem of high error reporting in flutter listview nested gridview? body: new ListView( children: <Widget>[ new HomeSearch(), new HomeSwiper(images: images), new Product(), ...
this happens only when entering Chinese ...
docutor so Doctor summary (to see all details, run flutter doctor -v): [] Flutter (Channel stable, v1.0.0, on Microsoft Windows [Version 6.1.7601], locale zh-CN) [] Android toolchain - develop for Android devices (Android SDK 28.0.3) [] Android Studio ...
I am a beginner in flutter. Today I want to customize an input box control. As a result, I encountered a strange problem. The custom space box cannot be put into the input box. If I put it into the input box, I will report an error. The code is as follo...
CustomScrollView is used in Flutter to nest SliverGrid components. When the controller property of CustomScrollView is set, the Sliver effect becomes invalid effect: description: when you slide the list of SliverGrid components, you need to move ...
:movieDetailsimages = movieDetails[ images ];large = images[ large ]; import package:flutter material.dart ; load request tool import package:dio dio.dart ; Dio dio = new Dio (); Movie details page class MovieDetail extends S...
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what if flutter builds the development environment and VS Code is an exclamation point? I have vs code installed on my machine. ...
is there a package that can easily call the so library? ...
does flutter have a good selector widget or third-party libraries recommend ...
flutter has been set to use domestic images but packages get has been in running, to ask what the reason is. Is it because some packages are not in the domestic image or because I set them? thank you . ...
flutter s sms package has a method to get all the text messages, but it returns a future object. how do I get the content and export it to a csv file? ...
flutter doctor can pass, and it has been stuck in Initializing gradle. since the Android simulator point was run. timeout waiting for the application to start what to do? ...