调用npm报错
flutter run报错
看了这篇文章提示说是node版本问题
blog.csdn.net/Xu_JL1997/a…
虽然不知道跟node有什么关系，还是试试
结果估计是装失败了，直接node运行不了了
报env: node: No such file or directory
根据这篇文章的提示，解决 blog.csdn.net/Xu_JL1997/a…
运行rm提示没权限，直接找到这个文件删掉
提示没有写权限
运行
sudo chown -R $(whoami):admin /usr/local
成功
Unable to 'pub upgrade' flutter tool.
解决方法：删除 flutter SDK中 bin/cache 文件夹，然后再flutter upgrade
Error: CocoaPods's specs repository is too out-of-date to satisfy dependencies.
这个问题是由于没有配置信任的服务器HTTPS验证。默认，cURL被设为不信任任何CAs，就是说，它不信任任何服务器验证。
只需要执行下面命令就可以解决
git config --global http.sslVerify false
更新pod
pod update --no-repo-update
Flutter开发iOS系统升级到iOS13后运行报错Device doesn't support wireless sync
网上的解决办法：
flutter channel dev
// 或下面
// flutter channel master
// 然后执行
flutter doctor
因为 dart2.6版本 flutter1.10版本之后支持iOS13系统
但我不太适用
切换dev后不报错了，能够成功运行，但运行app后黑屏...
尝试切换master后，flutter upgrade
切回stable后，flutter upgrade
重试一次可以了。。。
偶尔报错 不稳定 经常断开 且导致iphone死机 自动重启 已提issues: github.com/flutter/flu…
模拟器抓包
flutter run卡住不动
➜ vpmaxx-app git:(test) flutter run
Launching lib/main.dart on iPhone Xʀ in debug mode...
Running Xcode build...
Xcode build done. 51.8s
卡住不动半个小时都走不下去
尝试：
flutter clean
flutter run
可以解决
升级系统后Error running pod install
升级macOs10.15.2后运行报错：
vpmaxx-app git:(test) flutter run
Launching lib/main.dart on iPhone 11 Pro Max in debug mode...
Running pod install... 0.0s
Error output from CocoaPods:
↳
/usr/local/bin/pod: /usr/local/Cellar/cocoapods/1.7.5/libexec/bin/pod: /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/ruby: bad interpreter: No
such file or directory
/usr/local/bin/pod: line 2: /usr/local/Cellar/cocoapods/1.7.5/libexec/bin/pod: Undefined error: 0
Error running pod install
Error launching application on iPhone 11 Pro Max.
重装cocoapods
sudo gem install cocoapods
再进ios目录
pod install
Waiting for another flutter command to release the startup lock
- 打开flutter的安装目录/bin/cache/
- 删除lockfile文件
ERROR: The specified language version is too high. The highest supported language version is **
尝试
flutter clean
Package install error: Failure [INSTALL_FAILED_OLDER_SDK] Error launching application on Samsung.
修改xstore-pda-app-frontend/android/app/build.gradle文件 minSdk:19, targetSdk:32 为合适的值
D8: Cannot fit requested classes in a single dex file (# methods: 84339 > 65536 ; # fields: 72421 > 65536)
D8: Cannot fit requested classes in a single dex file (# methods: 84339 > 65536 ; # fields: 72421 > 65536) com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives: The number of method references in a .dex file cannot exceed 64K.
解决方案参考： developer.android.com/tools/build…
- 修改模块级
build.gradle文件以启用 MultiDex，并将 MultiDex 库添加为依赖项
android {
defaultConfig {
...
minSdkVersion 15
targetSdkVersion 28
multiDexEnabled true
}
...
}
dependencies {
implementation "androidx.multidex:multidex:2.0.1"
}
2. 请修改清单文件以设置 <application> 标记中的 android:name
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.myapp">
<application
android:name="androidx.multidex.MultiDexApplication" >
...
</application>
</manifest>
# The operation couldn’t be completed. Unable to locate a Java Runtime.
java -version检查是否安装JDK，没有则去安装 www.jianshu.com/p/57422f638…
Exception: Gradle task assembleDebug failed with exit code 1
-
检查build.gradle文件中的错误，比如缺少某些依赖库或者配置错误。
-
清理项目，重新编译。
-
重新同步gradle文件。
-
检查是否有重复的依赖库，如果有，删除重复的依赖库。
-
检查是否有冲突的依赖库，如果有，尝试更新依赖库的版本。
-
尝试重新安装Android Studio。
找不到.g.dart文件
flutter pub run build_runner build --delete-conflicting-outputs
Using insecure protocols with repositories, without explicit opt-in, is unsupported
FAILURE: Build failed with an exception.
* What went wrong:
A problem occurred configuring project ':vcsp_account'.
> Could not resolve all dependencies for configuration ':vcsp_account:classpath'.
> Using insecure protocols with repositories, without explicit opt-in, is unsupported. Switch Maven repository 'maven(http://mvn1.tools.vipshop.com/nexus/content/repositories/releases/)' to redirect to a secure protocol (like HTTPS) or allow insecure protocols. See https://docs.gradle.org/7.2/dsl/org.gradle.api.artifacts.repositories.UrlArtifactRepository.html#org.gradle.api.artifacts.repositories.UrlArtifactRepository:allowInsecureProtocol for more details.
> Could not get unknown property 'android' for project ':vcsp_account' of type org.gradle.api.Project.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
原因：新版gradle不支持http链接下载maven
解决方法：
在maven配置时加上属性 allowInsecureProtocol
repositories {
maven {
allowInsecureProtocol = true
url 'http://...'
}
}
