Flutter-intellij: after upgrading IntelliJ displays a "Migrate Project to Gradle?" notification

[bjornbjorn]

After upgrading IntelliJ a while back I started getting this message in my Event Log:

20/09/2017
10:36 Migrate Project to Gradle?
This project does not use the Gradle build system. We recommend that you migrate to using the Gradle build system.
More Information about migrating to Gradle
Don't show this message again.

I created this Flutter project the 8th of September and I am using Gradle (AFAIK) - I have files like android/build.gradle, gradlew and settings.gradle etc. in the project and when I run it in the Android emulator I see references to Gradle:

Launching lib/main.dart on Android SDK built for x86 in debug mode...
Initializing gradle...
Resolving dependencies...
Running 'gradlew assembleDebug'...

So it seems that the issue here is that IntelliJ is not able to identify that my project is using Gradle.

Steps to Reproduce

Not sure how to reproduce. When I create a new project using "flutter create" everything seems to work fine and IntelliJ is able to pick up that the project is using Gradle.

I did a diff of the android/ folders on the newly created test project and my old project (the one complaining) and most files were identical. In the files that were not, I didn't see anything that was not related to changes I've made myself (like app class name etc.) but I may have overlooked something of course.

Version info

flutter doctor:

[✓] Flutter (on Mac OS X 10.12.6 16G29, locale en-NO, channel alpha)
    • Flutter at /Users/bjorn/bin/flutter
    • Framework revision 701d534ba9 (8 days ago), 2017-09-12 14:01:51 -0700
    • Engine revision 31d03de019
    • Tools Dart version 1.25.0-dev.11.0

[✓] Android toolchain - develop for Android devices (Android SDK 26.0.1)
    • Android SDK at /Users/bjorn/Library/Android/sdk
    • Platform android-26, build-tools 26.0.1
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)

[✓] iOS toolchain - develop for iOS devices (Xcode 8.3.3)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 8.3.3, Build version 8E3004b
    • ios-deploy 1.9.2
    • CocoaPods version 1.3.1

[✓] Android Studio (version 2.3)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)

[✓] IntelliJ IDEA Ultimate Edition (version 2017.2.4)
    • Flutter plugin version 17.0
    • Dart plugin version 172.4155.35

adb not responding

---

IntelliJ version:

IntelliJ IDEA 2017.2.4
Build #IU-172.4155.36, built on September 11, 2017
Licensed to IntelliJ IDEA Evaluator
Expiration date: September 27, 2017
JRE: 1.8.0_152-release-915-b11 x86_64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Mac OS X 10.12.6

[bjornbjorn]

Actually, after reopening my testproject later I see that this also is complaining about the lack of Gradleness:

I haven't touched the project after running "flutter create"

[devoncarew]

Thanks for the report! We do see this issue as well; totally agree that a newly created project shouldn't warn.

[devoncarew]

From some investigation (/cc @stevemessick), this patch file into the flutter/flutter repo may address the issue:

diff --git a/packages/flutter_tools/templates/create/projectName.iml.tmpl b/packages/flutter_tools/templates/create/projectName.iml.tmpl
index dafb00113..4a51e50ba 100644
--- a/packages/flutter_tools/templates/create/projectName.iml.tmpl
+++ b/packages/flutter_tools/templates/create/projectName.iml.tmpl
@@ -1,13 +1,28 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module type="WEB_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="android" name="Android">
+      <configuration>
+        <option name="GEN_FOLDER_RELATIVE_PATH_APT" value="/../../{{projectName}}/gen" />
+        <option name="GEN_FOLDER_RELATIVE_PATH_AIDL" value="/../../{{projectName}}/gen" />
+        <option name="MANIFEST_FILE_RELATIVE_PATH" value="/../../{{projectName}}/AndroidManifest.xml" />
+        <option name="RES_FOLDER_RELATIVE_PATH" value="/../../{{projectName}}/res" />
+        <option name="ASSETS_FOLDER_RELATIVE_PATH" value="/../../{{projectName}}/assets" />
+        <option name="LIBS_FOLDER_RELATIVE_PATH" value="/../../{{projectName}}/libs" />
+        <option name="PROGUARD_LOGS_FOLDER_RELATIVE_PATH" value="/../../{{projectName}}/proguard_logs" />
+      </configuration>
+    </facet>
+  </component>
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/gen" isTestSource="false" generated="true" />
       <excludeFolder url="file://$MODULE_DIR$/.idea" />
       <excludeFolder url="file://$MODULE_DIR$/.pub" />
       <excludeFolder url="file://$MODULE_DIR$/build" />
       <excludeFolder url="file://$MODULE_DIR$/packages" />
     </content>
+    <orderEntry type="jdk" jdkName="Android API {{androidSdkVersion}} Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Dart Packages" level="project" />
     <orderEntry type="library" name="Dart SDK" level="project" />
diff --git a/packages/flutter_tools/templates/package/projectName.iml.tmpl b/packages/flutter_tools/templates/package/projectName.iml.tmpl
index dafb00113..4a51e50ba 100644
--- a/packages/flutter_tools/templates/package/projectName.iml.tmpl
+++ b/packages/flutter_tools/templates/package/projectName.iml.tmpl
@@ -1,13 +1,28 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module type="WEB_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="android" name="Android">
+      <configuration>
+        <option name="GEN_FOLDER_RELATIVE_PATH_APT" value="/../../{{projectName}}/gen" />
+        <option name="GEN_FOLDER_RELATIVE_PATH_AIDL" value="/../../{{projectName}}/gen" />
+        <option name="MANIFEST_FILE_RELATIVE_PATH" value="/../../{{projectName}}/AndroidManifest.xml" />
+        <option name="RES_FOLDER_RELATIVE_PATH" value="/../../{{projectName}}/res" />
+        <option name="ASSETS_FOLDER_RELATIVE_PATH" value="/../../{{projectName}}/assets" />
+        <option name="LIBS_FOLDER_RELATIVE_PATH" value="/../../{{projectName}}/libs" />
+        <option name="PROGUARD_LOGS_FOLDER_RELATIVE_PATH" value="/../../{{projectName}}/proguard_logs" />
+      </configuration>
+    </facet>
+  </component>
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/gen" isTestSource="false" generated="true" />
       <excludeFolder url="file://$MODULE_DIR$/.idea" />
       <excludeFolder url="file://$MODULE_DIR$/.pub" />
       <excludeFolder url="file://$MODULE_DIR$/build" />
       <excludeFolder url="file://$MODULE_DIR$/packages" />
     </content>
+    <orderEntry type="jdk" jdkName="Android API {{androidSdkVersion}} Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Dart Packages" level="project" />
     <orderEntry type="library" name="Dart SDK" level="project" />

[stevemessick]

Actually, that patch was intended to address a different but similar issue. When you create a project you get notified that the Android framework is not configured. The patch fixes that. I don't think it will stop Gradle warnings.

It is possible this notification only happens with Android Studio. I haven't created a "standard" IntelliJ Flutter project in a long time, since I'm working on the AS plugin, and I do not see the Gradle warning.

[devoncarew]

Ah, thanks for the clarification. I'll change this bug back to the original issue.

[stevemessick]

This is fixed for Android Studio but not other IDEA-based platforms. The reason is that the Android Studio version uses a different project creation pathway, which removes any files created by the IDE before flutter create is run. Flutter won't overwrite existing files, and the ones generated by the IDE do not have the "ignore gradle" setting.

[raveesh-me]

Sorry for the noob question but bottom line: I have to ignore that warning till this is fixed. Right?

Using:

IntelliJ IDEA 2017.3.1 (Ultimate Edition)
Build #IU-173.3942.27, built on December 11, 2017
Licensed to Raveesh Agarwal
Subscription is active until May 28, 2018
For educational use only.
JRE: 1.8.0_152-release-1024-b8 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Linux 4.10.0-42-generic

I have also observed the same issue

[devoncarew]

Sorry for the noob question but bottom line: I have to ignore that warning till this is fixed. Right?

Yes, it's harmless (and can be disabled in IntelliJ's notification settings).

[Peet-A]

hello all , i have the same issue here , and i can't run the app on android emulator , only ios is working
so , when i will be able to test it on android emulator ? there is any workaround ?

[raveesh-me]

Making an avd with SDK 24, installing SDK 24 sources did the trick for us. On 17-Feb-2018 1:46 AM, Peet-A [e-mail] wrote:hello all , i have the same issue here , and i can't run the app on android emulator , only ios is working
so , when i will be able to test it on android emulator ? there is any workaround ?

—You are receiving this because you commented.Reply to this email directly, view it on GitHub, or mute the thread.

[Peet-A]

@raveesh-me , thanks very much it worked for me too - i appreciate your help sir .

[devoncarew]

closing as a dup of https://github.com/flutter/flutter-intellij/issues/1807