我正在关注official tutorial on flutter.dev,但是在IntelliJ IDEA中单击“运行”时出现以下错误:
Launching lib/main.dart on sdk gphone x86 arm in debug mode...
Running Gradle task 'assembleDebug'...
ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation.
Exception: Gradle task assembleDebug failed with exit code 1
如果运行flutter doctor -v
,您可以看到它已安装:$ flutter doctor -v
[✓] Flutter (Channel stable, 1.22.1, on Linux, locale en_US.UTF-8)
• Flutter version 1.22.1 at /home/forest/snap/flutter/common/flutter
• Framework revision f30b7f4db9 (11 days ago), 2020-10-08 10:06:30 -0700
• Engine revision 75bef9f6c8
• Dart version 2.10.1
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
• Android SDK at /home/forest/Android/Sdk
• Platform android-30, build-tools 30.0.2
• ANDROID_HOME = /home/forest/Android/Sdk
• Java binary at: /home/forest/.jdks/jdk1.8.0_261/bin/java
• Java version Java(TM) SE Runtime Environment (build 1.8.0_261-b12)
• All Android licenses accepted.
[!] Android Studio (not installed)
• Android Studio not found; download from https://developer.android.com/studio/index.html
(or visit https://flutter.dev/docs/get-started/install/linux#android-setup for detailed instructions).
(虽然我已经从IDEA工具箱安装了android studio。)从 shell 程序,我可以运行两个命令:
forest@forest-PC:~$ echo $JAVA_HOME
/home/forest/.jdks/jdk1.8.0_261
forest@forest-PC:~$ java -version
java version "1.8.0_261"
Java(TM) SE Runtime Environment (build 1.8.0_261-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.261-b12, mixed mode)
forest@forest-PC:~$
它也在配置文件中:$ cat /etc/profile
# /etc/profile: system-wide .profile file for the Bourne shell (sh(1))
# and Bourne compatible shells (bash(1), ksh(1), ash(1), ...).
if [ "${PS1-}" ]; then
if [ "${BASH-}" ] && [ "$BASH" != "/bin/sh" ]; then
# The file bash.bashrc already sets the default PS1.
# PS1='\h:\w\$ '
if [ -f /etc/bash.bashrc ]; then
. /etc/bash.bashrc
fi
else
if [ "`id -u`" -eq 0 ]; then
PS1='# '
else
PS1='$ '
fi
fi
fi
if [ -d /etc/profile.d ]; then
for i in /etc/profile.d/*.sh; do
if [ -r $i ]; then
. $i
fi
done
unset i
fi
export JAVA_HOME="/home/forest/.jdks/jdk1.8.0_261"
export PATH=$JAVA_HOME/bin:$PATH
并且在IntelliJ IDEA中也设置了:使用Android Studio时,会出现完全相同的问题。
IntelliJ控制台
env
也设置了$ JAVA_HOME。forest@forest-PC:~/projects/fluttertanulas/myapp$ echo $JAVA_HOME
/home/forest/.jdks/jdk1.8.0_261
forest@forest-PC:~/projects/fluttertanulas/myapp$ echo $PATH
/home/forest/.jdks/jdk1.8.0_261/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/forest/Android/Sdk/tools:/home/forest/Android/Sdk/platform-tools
forest@forest-PC:~/projects/fluttertanulas/myapp$
forest@forest-PC:~/projects/fluttertanulas/myapp$ java -version
java version "1.8.0_261"
Java(TM) SE Runtime Environment (build 1.8.0_261-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.261-b12, mixed mode)
最佳答案
我刚刚安装了所有内容,从java
到android
,flutter
,dart
等。我只设置了.bashrc
和/etc/profile
,我只需要在系统上重新启动就可以正常工作。大概关于IDEA如何获取环境变量的一些知识。