此类型的步骤可用于颤振设置:
1)download latest version of v1.7.8+hotfix.4 this below link
https://flutter.dev/docs/development/tools/sdk/releases
2)my flutter store in this url : C:\src
3)set enviroment variable C:\src\flutter\bin
4)Android studio download and install.
5)install plugin flutt
在创建flutter项目时,可以为Android指定两种编程语言之一: Kotlin和Java。 flutter create -i swift -a kotlin project.name.app 或 flutter create -i swift -a java project.name.app 创建Flutter项目翻译成Kotlin或Java有什么区别或有什么区别?优势还是劣势?
我使用sdkmanager和avdmanager创建了一个仿真器,并在重新启动VScode,时用emulator运行它
flutter devices输出:
2 connected devices:
Linux (desktop) • linux • linux-x64 • Ubuntu 20.04.5 LTS 5.15.0-48-generic
Chrome (web) • chrome • web-javascript • Google Chrome 106.0.xxx.xx
flutter doctor输出:
Doctor summary (to see all de
我在VS代码上安装了flutter和Android iOS Emulator插件,这是VS代码内置终端中的flutter emulators命令的结果:
3 available emulators:
Nexus_5x • Nexus_5x • Google • android
Pixel_2_API_29 • Pixel 2 API 29 • Google • android
pixel_xl • pixel_xl • Google • android
To run an emulator, run 'flutter emulators
我试图在macos上用android仿真器打开我的应用程序,但是我得到了以下错误
* Where:
Build file '/Users/home/app_sources/my_app/android/app/build.gradle' line: 63
* What went wrong:
A problem occurred evaluating project ':app'.
> Could not find method flutter() for arguments [build_enl1wb3rxbgojqnsmrkb1pqib$_run_c
我第一次尝试用默认的颤振项目启动Windows应用程序,但是它显示了这个错误,
Launching lib\main.dart on Windows in debug mode...
lib\main.dart:1
Can't load AOT data from {#project-path}\build\windows\runner\Debug\data\app.so; no such file.
Unable to start engine without AOT data.
Failed to create view controller.
Error waiting for
我试图在M1 mac上构建一个flutter应用程序,但得到了以下错误。 $ flutter build ios --release
Building XXX for device (ios-release)...
Automatically signing iOS for device deployment using specified development team in Xcode project: XXX
Running pod install... 13.2s
Running Xcode b
自从我把我的MacBook升级到macOS Catalina之后。尽管我禁用了"spctl“,但消息("ideviceinfo”无法打开,因为开发人员没有得到验证)变得永久性。有人能帮帮忙吗?我下载了flutter版本flutter_macos_v1.9.1+hotfix.4-stable.zip,我使用的是Andriod Studio 3.5.1。 [✓] Flutter (Channel stable, v1.9.1+hotfix.4, on Mac OS X 10.15 19A583, locale de-DE)
• Flutter version 1.9.1+
我正在用一个已经创建的Keystore文件创建一个发布版本。将文件放在android/app/AlZarooniKS中。当从android执行build时,它给出了assembleRelease中的错误,但在assembleDebug上工作得很好。我收到了以下例外情况。
* What went wrong:
Execution failed for task ':app:packageRelease'.
> A failure occurred while executing com.android.build.gradle.tasks.PackageAndroidArt
我试图第一次启动Windows应用程序的默认颤振项目,但它显示了这个错误,特别是。
Unable to start engine without AOT data.
Failed to create view controller.
Error waiting for a debug connection: The log reader stopped unexpectedly, or never started.
Error launching application on Windows.
Exited (sigterm)
这是我的颤栗医生-v的结果:
[√] Flutter (Chann
我使用的是VS Code。在一些为web构建flutter的实验之后,它开始为web构建每个项目都是默认的。我需要拿回它的默认Android版本。 PS D:\code\2019\dart_app1\app1> flutter devices
2 connected devices:
Windows • Windows • windows-x64 • Microsoft Windows [Version 10.0.17134.984]
Chrome • chrome • web-javascript • Google Chrome 76.0.3809.132 >PS D
我从flutter开始。在android studio中安装flutter和dart插件并下载flutter SDK之后,flutter医生无法识别android studio。我在cmd中使用了flutter config --android-studio-dir="C:\Program Files\Android\Android Studio"。现在flutter医生识别了android,但错误是这样的
[!] Android Studio
X Flutter plugin not installed; this adds Flutter specific func
下面是我的flutter doctor和flutter devices输出:
[baran@manjaro ~]$ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 2.5.3, on Manjaro Linux 5.10.70-1-MANJARO, locale
en_US.utf8)
[✓] Android toolchain - develop for Android devices (Android SDK version
我正在开发Flutter中的一个应用程序。我尝试在应用程序中使用Provider,但遇到了以下错误:
Tried to listen to a value exposed with provider, from outside of the widget tree.
E/flutter ( 2850):
E/flutter ( 2850): This is likely caused by an event handler (like a button's onPressed) that called
E/flutter ( 2850): Provider.of without pa
我想用Android Studio创建一个示例Flutter项目,但问题是,尽管我在Android Studio 3.2.1中安装了Flutter和Flutter语言插件,但在File > New中没有菜单。我还下载了Flutter SDK并配置了环境变量。以下是我的颤动医生的结果:
- Flutter (Channel stable, v1.0.0, on Microsoft Windows [Version 6.1.7601], locale en-US)
. Flutter version 1.0.0 at C:\flutter
. Framework revision 539
目前我的安多伊工作室就在这里
C:\Android\AndroidStudio
在控制台上
C:\Users\aditya jain>flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 2.2.0, on Microsoft Windows [Version 10.0.19043.985], locale en-IN)
[X] Android toolchain - develop for Android devices
X
我在尝试flutter的hello world代码。我是在遵循官方的from here文件。 Flutter版本:flutter_linux_1.20.1-稳定 我已经创建了flutter项目并点击run: flutter create myapp
cd myapp
flutter run 但是它抛出了这个错误消息: Launching lib/main.dart on R40 in debug mode...
FAILURE: Build fai
所以我正在尝试使用改进的GsonConvertorFactory,但是在android studio中,它不能阅读,因为我无法运行。
public class start {
private static final String id = "XXXXXXXXXXXXXXXXXXXXXXXXXX";
private static final String url = "https://XXX/YY/ZZ";
public static PostService postServ
我对颤振有意见。我在Ubuntu18.04上使用AndroidStudio3.2.1。我无法让它找到我的虚拟设备。
当我运行flutter doctor时,将显示以下输出:
$ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel master, v0.11.10-pre.3, on Linux, locale en_US.UTF-8)
[✓] Android toolchain - develop for Android devices (Android
在Flutter版本升级之前,我的应用程序一直在成功编译。我得到以下错误:
Runner.app/Info.plist does not exist. The Flutter "Thin Binary" build phase must run after "Copy Bundle Resources".
颤动医生-v
[✓] Flutter (Channel stable, 1.22.3, on Mac OS X 10.15.6 19G2021, locale fr-FR)
• Flutter version 1.22.3 at /Users/xxx/
我已经在Android Studio中安装了Flutter和Dart插件。我经历了创建Flutter项目的所有阶段,但当我单击Finish时,我会看到"creating a new flutter project“对话框,但几秒钟后,欢迎屏幕不断出现,我又回到了原点。有人能帮帮忙吗?
这里是“颤动医生-v”命令的信息:
CreateProcessW failed 87
[!] Flutter (Channel stable, v1.12.13+hotfix.8, on Microsoft Windows [Version 10.0.18362.418], locale en-US)
我使用的是Ubuntu 18.04LTS,Android Studio v3.0.1,安装了最新的Android SDK API30和29,Android SDK构建工具,平台工具和命令行工具(最新),降级到java jdk1.8,在VSCode上安装了Dart插件,在Android Studio上安装了Dart和flutter插件,在终端上安装了Flutter using snap。 但是当我运行flutter doctor时,我得到了这样的结果 Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter
我试图在Visual代码中运行这个颤振待办事项列表应用程序:
我遇到了一个错误:
I/flutter (30973): Observatory server failed to start after 11 tries
I/flutter (30973): Could not start Observatory HTTP server:
I/flutter (30973): SocketException: Failed to create server socket (OS Error: Operation not permitted, errno = 1), address = 127.
我运行的是Mac Catalina,同时安装了Android Studio和VSCode ❯ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, 1.19.0-4.3.pre, on Mac OS X 10.15.5 19F101, locale en-GB)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.1)
[✓] Xcode
我将我的应用程序作为一个“发布版”构建(带有签名和所有的),以便将其发布到PlayStore。我从PlayStore内部的“启动前报告”中得到了很多坠机报告,这些报告都是这样的:
Crash java.lang.RuntimeException: Unable to instantiate activity
ComponentInfo{com.domain/com.domain.MainActivity}: java.lang.ClassNotFoundException: Didn't find
class "com.domain.MainActivity" on
当我试图在刚刚使用flutter run创建的项目中执行flutter create <project-name>时,我遇到了这样的错误
FAILURE: Build failed with an exception.
* What went wrong:
Could not determine the dependencies of task ':app:compileDebugJavaWithJavac'.
> Failed to install the following SDK components:
platforms;android-
adb连接到我的设备(小米红米4,MIUI 11.0.2,Android7.1.2)通过USB和WiFi都很好。然而,我一直没有成功地尝试连接颤栗。Flutter通过USB连接时确实检测到了我的设备,但没有提示输入授权对话框:
$ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, v1.1
当我运行flutter doctor时,它报告我的Android Studio Flutter和Dart插件没有安装,尽管我安装了最新的插件-事实上,我可以从Android Studio构建并部署flutter应用程序到移动设备上。我想要么是我的配置不正确,要么是flutter doctor有个bug。
当我运行flutter doctor -v时,我得到以下结果:
d:\Dev\Flutter>flutter doctor -v
[√] Flutter (Channel master, v0.5.8-pre.264, on Microsoft Windows [Version 10.0