305 Commits

Author SHA1 Message Date
Bartek Pacia
6facb96953
Reland "Add support for Gradle Kotlin DSL (#140744)" (#142752)
This PR attempts to:
- reland #140744
- reland #141541 (which is also in #142300 - I will close it once this PR is merged)
2024-02-02 20:19:42 +00:00
Camille Simon
995e3fad7c
Revert "Reland: "Fix how Gradle resolves Android plugin" (#137115)" (#142464)
This reverts commit f5ac225c8da7a73ca16801054b8d4901d556b0fd, i.e. https://github.com/flutter/flutter/pull/137115.

This is a continuation of https://github.com/flutter/flutter/pull/142266 that was redone based on feedback to make this easier to revert in the future. The exact steps I took to create this revert:

1. Revert commit noted above
2. Fix merge conflicts, that notably involved reverting some changes in https://github.com/flutter/flutter/pull/140744 ~and https://github.com/flutter/flutter/pull/141417~ (fixed my merge to avoid the second PR from being affected)
3. Delete `packages/flutter_tools/test/integration.shard/android_plugin_skip_unsupported_test.dart` as this was added in the commit noted above

cc @Gustl22 since I couldn't tag as a reviewer
2024-01-29 22:44:24 +00:00
Zachary Anderson
6a6874ecf9
Update Android minSdkVersion to 21 (#142267)
This PR increases Android's `minSdkVersion` to 21.

There are two changes in this PR aside from simply increasing the number
from 19 to 21 everywhere.

First, tests using `flutter_gallery` fail without updating the
lockfiles. The changes in the PR are the results of running
`dev/tools/bin/generate_gradle_lockfiles.dart` on that app.

Second, from
[here](https://developer.android.com/build/multidex#mdex-pre-l):
> if your minSdkVersion is 21 or higher, multidex is enabled by default
and you don't need the multidex library.

As a result, the `multidex` option everywhere is obsolete. This PR
removes all logic and tests related to that option that I could find.
`Google testing` and `customer_tests` pass on this PR, so it seems like
this won't be too breaking if it is at all. If needed I'll give this
some time to bake in the framework before landing the flutter/engine
PRs.

Context: https://github.com/flutter/flutter/issues/138117,
https://github.com/flutter/flutter/issues/141277, b/319373605
2024-01-29 09:49:09 -08:00
Bartek Pacia
370f40e6df
flutter.groovy: update for Gradle Kotlin DSL compatibility (#142144)
This PR fixes 2 small mistakes in `FlutterExtension`:
- all fields must be `public` in order to be used in Gradle Kotlin DSL the same as in Gradle Groovy DSL
- using `logger` instead of `project.logger` throws an error when executed

This PR re-adds a subset of changes from #141541 which broke the tree and has been reverted.
2024-01-26 09:46:18 +00:00
auto-submit[bot]
b258ca011e
Reverts "hello_world app: migrate to Gradle Kotlin DSL" (#142018)
Reverts flutter/flutter#141541
Initiated by: yusuf-goog
This change reverts the following previous change:
Original Description:
This PR introduces the first app in this repo that fully uses Gradle Kotlin DSL.

It also fixes a bug I found in the process – fields of `FlutterExtensions` must be `public`.
2024-01-23 00:01:17 +00:00
Bartek Pacia
e593cdfb80
hello_world app: migrate to Gradle Kotlin DSL (#141541)
This PR introduces the first app in this repo that fully uses Gradle Kotlin DSL.

It also fixes a bug I found in the process – fields of `FlutterExtensions` must be `public`.
2024-01-22 21:47:20 +00:00
Reid Baker
684247a3c7
Use Integer instead of int in map in flutter.groovy (#141895)
packages Roller breakage 
https://ci.chromium.org/ui/p/flutter/builders/try/Linux_android%20android_build_all_packages%20master/5504/overview
Fixes flutter/flutter/issues/141897
```
FAILURE: Build failed with an exception.

* Where:
Script '/b/s/w/ir/x/w/flutter/packages/flutter_tools/gradle/src/main/groovy/flutter.groovy' line: 168

* What went wrong:
Could not compile script '/b/s/w/ir/x/w/flutter/packages/flutter_tools/gradle/src/main/groovy/flutter.groovy'.
> startup failed:
  script '/b/s/w/ir/x/w/flutter/packages/flutter_tools/gradle/src/main/groovy/flutter.groovy': 168: primitive type parameters not allowed here;
     solution: use the corresponding wrapper type, such as Integer for int @ line 168, column 41.
     e static final Map<String, int> ABI_VERS
```

Covered by tests in packages.
2024-01-19 20:57:08 +00:00
Reid Baker
c479109e75
Fix gradle lints No semantic change should be present. (#141692)
Move static methods together.
Fix property uses of duplicate strings.
Add types wherever obvious
Fix format depth
Add whitespace to top and bottom of classes
Ignore line length for file
Ignore prefer single quote for file
Ignore correction for getFoo used instead of foo

Loosely related to flutter/flutter/issues/123934
2024-01-18 16:33:10 +00:00
Anis Alibegić
e063f56832
Fixed few typos (#141543)
I continued [my mission](https://github.com/flutter/flutter/pull/141431) to find as many typos as I could. This time it's a smaller set than before.

There is no need for issues since it's a typo fix.
2024-01-16 21:40:08 +00:00
Reid Baker
2b890af939
handle rc versions of gradle in version compare (#141612)
- handle number format exceptions and strip rc information from version compare
- add test that handles rc format

part 2/n https://github.com/flutter/flutter/issues/138523

Helpfully pointed out by [asaarnak](https://github.com/asaarnak) https://github.com/flutter/flutter/pull/139325#issuecomment-1892554584
2024-01-16 19:29:26 +00:00
Bartek Pacia
dbf5f04b86
FlutterExtension: make fields non-static (#141463)
There's no issue for this PR. I can create one if requested.

## Summary

This PR makes public fields of `FlutterExtension` non-static. The aim is to make migrating from Gradle Groovy DSL to Gradle Kotlin DSL easier for Flutter developers, because...

### Without this PR

**android/app/build.gradle.kts**

```kotlin
plugins {
    id "com.android.application"
    id "dev.flutter.flutter-gradle-plugin"
}

android {
    namespace = "io.flutter.examples.hello_world"
    compileSdk = FlutterExtension.compileSdkVersion

    defaultConfig {
        applicationId = "io.flutter.examples.hello_world"
        minSdk = FlutterExtension.minSdkVersion
        targetSdk = FlutterExtension.targetSdkVersion
        // ...
    }
}
// ...
```

Groovy and Java allow accessing static fields of a class through its instance, but Kotlin is being more "correct" and disallows that.

### With this PR

Thanks to this PR, the user won't have to replace `flutter` with FlutterExtension in some places, thus decreasing possible confusion.

```kotlin
plugins {
    id "com.android.application"
    id "dev.flutter.flutter-gradle-plugin"
}

android {
    namespace = "io.flutter.examples.hello_world"
    compileSdk = flutter.compileSdkVersion

    defaultConfig {
        applicationId = "io.flutter.examples.hello_world"
        minSdk = flutter.minSdkVersion
        targetSdk = flutter.targetSdkVersion
        // ...
    }
}
// ...
```
2024-01-12 18:49:21 +00:00
hangyu
4b914bd17c
[deep link] Update a gradle task to add flag check and intent filter check to the AppLinkSettings (#141231)
These check result is used in devtool deep link validation
issue: https://github.com/flutter/flutter/issues/120408

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [ ] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [ ] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#overview
[Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene
[test-exempt]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes
[Discord]: https://github.com/flutter/flutter/wiki/Chat
2024-01-12 10:36:26 -08:00
Bartek Pacia
fd827e3a88
Expose versionCode and versionName from local.properties in FlutterExtension (#141417)
This PR has no issue. I got this cool idea and decided to quickly try it out, and it works.

### Summary

This will allow Flutter Developers to have less code in their Android Gradle buildscripts.

```diff
 plugins {
     id "com.android.application"
     id "dev.flutter.flutter-gradle-plugin"
     id "kotlin-android"
 }

-def localProperties = new Properties()
-def localPropertiesFile = rootProject.file("local.properties")
-if (localPropertiesFile.exists()) {
-    localPropertiesFile.withReader("UTF-8") { reader ->
-        localProperties.load(reader)
-    }
-}
-
-def flutterVersionCode = localProperties.getProperty("flutter.versionCode")
-if (flutterVersionCode == null) {
-    flutterVersionCode = "1"
-}
-
-def flutterVersionName = localProperties.getProperty("flutter.versionName")
-if (flutterVersionName == null) {
-    flutterVersionName = "1.0"
-}
-
-def keystorePropertiesFile = rootProject.file("keystore.properties")
-def keystoreProperties = new Properties()
-
 keystoreProperties.load(new FileInputStream(keystorePropertiesFile))

 android {
         applicationId "pl.baftek.discoverrudy"
         minSdk 21
         targetSdk 34
-        versionCode flutterVersionCode.toInteger()
-        versionName flutterVersionName
+        versionCode flutter.versionCode()
+        versionName flutter.versionName()
     }
```

The boilerplate that loads 'local.properties' can live in Flutter Gradle Plugin.

### Concerns

I was worried about lifecycle/ordering issues, so I tested it.

To Flutter Gradle Plugin, I added:

```diff
 class FlutterPlugin implements Plugin<Project> {
     //...

     @Override
     void apply(Project project) {
+        project.logger.quiet("Start applying FGP")
         // ...
     }
 }
```

and to my `android/app/build.gradle` I added:

```diff
 android {
+    logger.quiet("Start evaluating android block")
     namespace "pl.bartekpacia.awesomeapp"
     compileSdk 34
 
     defaultConfig {
         applicationId "pl.baftek.discoverrudy"
         minSdk 21
         targetSdk 34
         versionCode flutter.versionCode()
         versionName flutter.versionName()
     }
```

Gradle first applies the plugins (which sets versionCode and versionName on FlutterExtension), and then it executes the `android {}` extension block:

```
$ ./gradlew :app:assembleDebug

> Configure project :app
Start applying FGP
Start evaluating android block

BUILD SUCCESSFUL in 2s
383 actionable tasks: 10 executed, 373 up-to-date
```

So ordering is fine.
2024-01-12 18:18:32 +00:00
Bartek Pacia
0a1af8a192
Add support for Gradle Kotlin DSL (#140744)
This PR resolves #140548. It's based on my work in #118067.
2024-01-12 02:20:06 +00:00
Daco Harkes
b2ef2802d2
Native assets support for Android Add2app (#140802)
Support for FFI calls with @Native external functions through Native assets on Android add to app. This enables bundling native code without any build-system boilerplate code.

For more info see:

*  https://github.com/flutter/flutter/issues/129757

## Implementation details for Android add2app

The `.so` files are bundled with the same mechanism that bundles `libapp.so`.
2024-01-09 08:47:53 +00:00
Reid Baker
48ae5ff6f6
Use double quotes over single quotes in gradle build files (#140512)
Following https://developer.android.com/build/migrate-to-kotlin-dsl
2/n Use double quotes instead of single quotes. 

Should be a no-op change. If you see a behavioral change please flag it.
2023-12-22 16:25:06 +00:00
Gustl22
f5ac225c8d
Reland: "Fix how Gradle resolves Android plugin" (#137115)
Relands #97823

When the tool migrated to `.flutter-plugins-dependencies`, the Gradle plugin was never changed.
Until now, the plugin had the heuristic that a plugin with a `android/build.gradle` file supported the Android platform.

Also applies schema of `getPluginDependencies` to `getPluginList` which uses a `List` of Object instead of `Properties`.

Fixes #97729
Cause of the error: 5f105a6ca7/packages/flutter_tools/gradle/flutter.gradle (L421C25-L421C25)

Fixes #98048
The deprecated line `include ":$name"` in `settings.gradle` (pluginEach) in old projects causes the `project.rootProject.findProject` to also find the plugin "project", so it is not failing on the `afterEvaluate` method. But the plugin shouldn't be included in the first place as it fails with `Could not find method implementation() for arguments` error in special cases.

Related to #48918, see [_writeFlutterPluginsListLegacy](27bc1cf61a/packages/flutter_tools/lib/src/flutter_plugins.dart (L248)).

Co-authored-by: Emmanuel Garcia <egarciad@google.com>
2023-12-21 16:55:04 +00:00
Reid Baker
d6e435a7ac
Part 1/n migration steps for kotlin migration (#140452)
Following https://developer.android.com/build/migrate-to-kotlin-dsl
1/n Add parentheses to method calls 

Should be a no-op change. If you see a behavioral change please flag it.
2023-12-20 20:40:17 +00:00
Bartek Pacia
a1e1dc3f6c
Reland "Warn when Gradle plugins are applied using the legacy apply script method (#140103)
> This PR relands #139690 which was reverted in #140102

This PR adds a deprecation message when Android build is using the legacy "apply script method" way of applying Flutter's Gradle plugins (that is: [`flutter.gradle`](https://github.com/flutter/flutter/blob/3.16.0/packages/flutter_tools/gradle/flutter.gradle) and [`app_plugin_loader.gradle`](https://github.com/flutter/flutter/blob/3.16.0/packages/flutter_tools/gradle/app_plugin_loader.gradle)).

See also:
- #121541
  - in particular https://github.com/flutter/flutter/issues/121541#issuecomment-1836947311
- #135392
  - and PR that add the migration guide: [#9857](https://github.com/flutter/website/pull/9857)

- I think either `logger.error` or `logger.quiet` must be used, because all other error levels are not shown during `flutter build apk` (and that's what most people use).
2023-12-19 16:03:23 +00:00
Gustl22
fc77dd90d4
Adapt wording for required Android SDK for plugins (#140043)
Solves https://github.com/flutter/flutter/pull/137115#discussion_r1388251047
2023-12-14 05:45:15 +00:00
Andrew Kolos
935775cb74
[reland] Support conditional bundling of assets based on --flavor (#139834)
Reland of https://github.com/flutter/flutter/pull/132985. Fixes the path to AssetManifest.bin in flavors_test_ios
2023-12-14 05:30:10 +00:00
Reid Baker
3c80cc7eb9
Do not use project in do last (#139325)
- Use copy task that branches for 8.3 and above to avoid using project.exec in a dolast block. 

part 1/n for flutter/flutter/issues/138523 

This PR does not test the 8.3 branch but instead builds the ability to write a branching gradle test. 
After fixing this project.exec action there I discovered a second that needs to be removed or migrated in order for the build to work. 

Related reading https://docs.gradle.org/8.0/userguide/configuration_cache.html#config_cache:requirements
https://docs.gradle.org/current/javadoc/org/gradle/process/ExecOperations.html (not used but considered) 
https://docs.gradle.org/8.2/dsl/org.gradle.api.tasks.Copy.html#org.gradle.api.tasks.Copy:fileMode
2023-12-13 23:47:58 +00:00
auto-submit[bot]
625bc50c39
Reverts "Warn when Gradle plugins are applied using the legacy "apply script method" way" (#140102)
Reverts flutter/flutter#139690
Initiated by: hellohuanlin
This change reverts the following previous change:
Original Description:
This PR adds a deprecation message when Android build is using the legacy "apply script method" way of applying Flutter's Gradle plugins (that is: [`flutter.gradle`](https://github.com/flutter/flutter/blob/3.16.0/packages/flutter_tools/gradle/flutter.gradle) and [`app_plugin_loader.gradle`](https://github.com/flutter/flutter/blob/3.16.0/packages/flutter_tools/gradle/app_plugin_loader.gradle)).

See also:
- #121541
  - in particular https://github.com/flutter/flutter/issues/121541#issuecomment-1836947311
- #135392
  - and PR that add the migration guide: [#9857](https://github.com/flutter/website/pull/9857)

- I think either `logger.error` or `logger.quiet` must be used, because all other error levels are not shown during `flutter build apk` (and that's what most people use).
2023-12-13 23:08:25 +00:00
Bartek Pacia
4aef59befb
Warn when Gradle plugins are applied using the legacy "apply script method" way (#139690)
This PR adds a deprecation message when Android build is using the legacy "apply script method" way of applying Flutter's Gradle plugins (that is: [`flutter.gradle`](https://github.com/flutter/flutter/blob/3.16.0/packages/flutter_tools/gradle/flutter.gradle) and [`app_plugin_loader.gradle`](https://github.com/flutter/flutter/blob/3.16.0/packages/flutter_tools/gradle/app_plugin_loader.gradle)).

See also:
- #121541
  - in particular https://github.com/flutter/flutter/issues/121541#issuecomment-1836947311
- #135392
  - and PR that add the migration guide: [#9857](https://github.com/flutter/website/pull/9857)

- I think either `logger.error` or `logger.quiet` must be used, because all other error levels are not shown during `flutter build apk` (and that's what most people use).
2023-12-13 20:45:56 +00:00
Gray Mackall
9a72e1c699
Allow plugins to use compileSdkPreview (#131901)
Fixes https://github.com/flutter/flutter/issues/124748

Based (heavily) off https://github.com/flutter/flutter/pull/104662
2023-12-12 20:06:04 +00:00
auto-submit[bot]
21766a4f9f
Reverts "Support conditional bundling of assets based on --flavor" (#139787)
Reverts flutter/flutter#132985
Initiated by: christopherfujino
This change reverts the following previous change:
Original Description:
Provides support for conditional bundling of assets through the existing `--flavor` option for `flutter build` and `flutter run`. Closes https://github.com/flutter/flutter/issues/21682. Resolves https://github.com/flutter/flutter/issues/136092

## Change
Within the `assets` section pubspec.yaml, the user can now specify one or more `flavors` that an asset belongs to. Consider this example:

```yaml
# pubspec.yaml
flutter:
  assets:
    - assets/normal-asset.png
    - path: assets/vanilla/ice-cream.png
      flavors: 
        - vanilla
    - path: assets/strawberry/ice-cream.png
      flavors:
        - strawberry
```

With this pubspec,
* `flutter run --flavor vanilla` will not include `assets/strawberry/ice-cream.png` in the build output.
* `flutter run --flavor strawberry` will not include `assets/vanilla/ice-cream.png`.
* `flutter run` will only include `assets/normal-asset.png`.

## Open questions

* Should this be supported for all platforms, or should this change be limited to ones with documented `--flavor` support (Android, iOS, and (implicitly) MacOS)? This PR currently only enables this feature for officially supported platforms.

## Design thoughts, what this PR does not do, etc.

### This does not provide an automatic mapping/resolution of asset keys/paths to others based on flavor at runtime.

The implementation in this PR represents a simplest approach. Notably, it does not give Flutter the ability to dynamically choose an asset based on flavor using a single asset key. For example, one can't use `Image.asset('config.json')` to dynamically choose between different "flavors" of `config.json` (such as `dev-flavor/config.json` or `prod-flavor/config.json`). However, a user could always implement such a mechanism in their project or in a library by examining the flavor at runtime.

### When multiple entries affect the same file and 1) at least one of these entries have a `flavors` list provided and 2) these lists are not equivalent, we always consider the manifest to be ambiguous and will throw a `ToolExit`. 

<details>
For example, these manifests would all be considered ambiguous:

```yaml
assets:
  - assets/
  - path: assets/vanilla.png
    flavors: 
      - vanilla

assets:
  - path: assets/vanilla/
    flavors: 
      - vanilla
  - path: assets/vanilla/cherry.png
     flavor:
      - cherry

# Thinking towards the future where we might add glob/regex support and more conditions other than flavor:
assets:
  - path: assets/vanilla/**
    flavors:
      - vanilla
  - path: assets/**/ios/**
    platforms: 
       - ios

# Ambiguous in the case of assets like "assets/vanilla/ios/icon.svg" since we 
# don't know if flavor `vanilla` and platform `ios` should be combined using or-logic or and-logic.
```

See [this review comment thread](https://github.com/flutter/flutter/pull/132985#discussion_r1381909942) for the full story on how I arrived at this decision.
</details>

### This does not support Android's multidimensional flavors feature (in an intuitive way)

<details>

Conder this excerpt from a Flutter project's android/app/build.gradle file:

```groovy
android {
    // ...

    flavorDimensions "mode", "api"

    productFlavors {
        free {
            dimension "mode"
            applicationIdSuffix ".free"
        }

        premium {
            dimension "mode"
            applicationIdSuffix ".premium"
        }

        minApi23 {
            dimension "api"
            versionNameSuffix "-minApi23"
        }

        minApi21 {
            dimension "api"
            versionNameSuffix "-minApi21"
        }
    }
}
```

In this setup, the following values are valid `--flavor` are valid `freeMinApi21`, `freeMinApi23`, `premiumMinApi21`, and `premiumMinApi23`. We call these values "flavor combinations". Consider the following from the Android documentation[^1]:

> In addition to the source set directories you can create for each individual product flavor and build variant, you can also create source set directories for each combination of product flavors. For example, you can create and add Java sources to the src/demoMinApi24/java/ directory, and Gradle uses those sources only when building a variant that combines those two product flavors.
> 
> Source sets you create for product flavor combinations have a higher priority than source sets that belong to each individual product flavor. To learn more about source sets and how Gradle merges resources, read the section about how to [create source sets](https://developer.android.com/build/build-variants#sourcesets).

This feature will not behave in this way. If a user utilizes this feature and also Android's multidimensional flavors feature, they will have to list out all flavor combinations that contain the flavor they want to limit an asset to:

```yaml
assets:
  - assets/free/
    flavors:
      - freeMinApi21
      - freeMinApi23
```

This is mostly due to a technical limitation in the hot-reload feature of `flutter run`. During a hot reload, the tool will try to update the asset bundle on the device, but the tool does not know the flavors contained within the flavor combination (that the user passes to `--flavor`). Gradle is the source of truth of what flavors were involved in the build, and `flutter run` currently does not access to that information since it's an implementation detail of the build process. We could bubble up this information, but it would require a nontrivial amount of engineering work, and it's unclear how desired this functionality is. It might not be worth implementing.

</details>

See https://flutter.dev/go/flavor-specific-assets for the (outdated) design document. 

<summary>Pre-launch Checklist</summary>

</details>

[^1]: https://developer.android.com/build/build-variants#flavor-dimensions
2023-12-08 06:40:28 +00:00
Andrew Kolos
016eb85177
Support conditional bundling of assets based on --flavor (#132985)
Provides support for conditional bundling of assets through the existing `--flavor` option for `flutter build` and `flutter run`. Closes https://github.com/flutter/flutter/issues/21682. Resolves https://github.com/flutter/flutter/issues/136092

## Change
Within the `assets` section pubspec.yaml, the user can now specify one or more `flavors` that an asset belongs to. Consider this example:

```yaml
# pubspec.yaml
flutter:
  assets:
    - assets/normal-asset.png
    - path: assets/vanilla/ice-cream.png
      flavors: 
        - vanilla
    - path: assets/strawberry/ice-cream.png
      flavors:
        - strawberry
```

With this pubspec,
* `flutter run --flavor vanilla` will not include `assets/strawberry/ice-cream.png` in the build output.
* `flutter run --flavor strawberry` will not include `assets/vanilla/ice-cream.png`.
* `flutter run` will only include `assets/normal-asset.png`.

## Open questions

* Should this be supported for all platforms, or should this change be limited to ones with documented `--flavor` support (Android, iOS, and (implicitly) MacOS)? This PR currently only enables this feature for officially supported platforms.

## Design thoughts, what this PR does not do, etc.

### This does not provide an automatic mapping/resolution of asset keys/paths to others based on flavor at runtime.

The implementation in this PR represents a simplest approach. Notably, it does not give Flutter the ability to dynamically choose an asset based on flavor using a single asset key. For example, one can't use `Image.asset('config.json')` to dynamically choose between different "flavors" of `config.json` (such as `dev-flavor/config.json` or `prod-flavor/config.json`). However, a user could always implement such a mechanism in their project or in a library by examining the flavor at runtime.

### When multiple entries affect the same file and 1) at least one of these entries have a `flavors` list provided and 2) these lists are not equivalent, we always consider the manifest to be ambiguous and will throw a `ToolExit`. 

<details>
For example, these manifests would all be considered ambiguous:

```yaml
assets:
  - assets/
  - path: assets/vanilla.png
    flavors: 
      - vanilla

assets:
  - path: assets/vanilla/
    flavors: 
      - vanilla
  - path: assets/vanilla/cherry.png
     flavor:
      - cherry

# Thinking towards the future where we might add glob/regex support and more conditions other than flavor:
assets:
  - path: assets/vanilla/**
    flavors:
      - vanilla
  - path: assets/**/ios/**
    platforms: 
       - ios

# Ambiguous in the case of assets like "assets/vanilla/ios/icon.svg" since we 
# don't know if flavor `vanilla` and platform `ios` should be combined using or-logic or and-logic.
```

See [this review comment thread](https://github.com/flutter/flutter/pull/132985#discussion_r1381909942) for the full story on how I arrived at this decision.
</details>

### This does not support Android's multidimensional flavors feature (in an intuitive way)

<details>

Conder this excerpt from a Flutter project's android/app/build.gradle file:

```groovy
android {
    // ...

    flavorDimensions "mode", "api"

    productFlavors {
        free {
            dimension "mode"
            applicationIdSuffix ".free"
        }

        premium {
            dimension "mode"
            applicationIdSuffix ".premium"
        }

        minApi23 {
            dimension "api"
            versionNameSuffix "-minApi23"
        }

        minApi21 {
            dimension "api"
            versionNameSuffix "-minApi21"
        }
    }
}
```

In this setup, the following values are valid `--flavor` are valid `freeMinApi21`, `freeMinApi23`, `premiumMinApi21`, and `premiumMinApi23`. We call these values "flavor combinations". Consider the following from the Android documentation[^1]:

> In addition to the source set directories you can create for each individual product flavor and build variant, you can also create source set directories for each combination of product flavors. For example, you can create and add Java sources to the src/demoMinApi24/java/ directory, and Gradle uses those sources only when building a variant that combines those two product flavors.
> 
> Source sets you create for product flavor combinations have a higher priority than source sets that belong to each individual product flavor. To learn more about source sets and how Gradle merges resources, read the section about how to [create source sets](https://developer.android.com/build/build-variants#sourcesets).

This feature will not behave in this way. If a user utilizes this feature and also Android's multidimensional flavors feature, they will have to list out all flavor combinations that contain the flavor they want to limit an asset to:

```yaml
assets:
  - assets/free/
    flavors:
      - freeMinApi21
      - freeMinApi23
```

This is mostly due to a technical limitation in the hot-reload feature of `flutter run`. During a hot reload, the tool will try to update the asset bundle on the device, but the tool does not know the flavors contained within the flavor combination (that the user passes to `--flavor`). Gradle is the source of truth of what flavors were involved in the build, and `flutter run` currently does not access to that information since it's an implementation detail of the build process. We could bubble up this information, but it would require a nontrivial amount of engineering work, and it's unclear how desired this functionality is. It might not be worth implementing.

</details>

See https://flutter.dev/go/flavor-specific-assets for the (outdated) design document. 

<summary>Pre-launch Checklist</summary>

</details>

[^1]: https://developer.android.com/build/build-variants#flavor-dimensions
2023-12-07 23:50:00 +00:00
Daco Harkes
6ad755536e
Native assets support for Android (#135148)
Support for FFI calls with `@Native external` functions through Native assets on Android. This enables bundling native code without any build-system boilerplate code.

For more info see:

* https://github.com/flutter/flutter/issues/129757

### Implementation details for Android.

Mainly follows the design of the previous PRs.

For Android, we detect the compilers inside the NDK inside SDK.

And bundling of the assets is done by the flutter.groovy file.

The `minSdkVersion` is propagated from the flutter.groovy file as well.

The NDK is not part of `flutter doctor`, and users can omit it if no native assets have to be build.
However, if any native assets must be built, flutter throws a tool exit if the NDK is not installed.

Add 2 app is not part of this PR yet, instead `flutter build aar` will tool exit if there are any native assets.
2023-12-07 16:29:11 +00:00
chunhtai
d8a5f3d11b
Improves output file path logic in Android analyze (#136981) 2023-11-16 22:59:02 +00:00
Camille Simon
c66bb0a18a
[Android] Support Android 34 (take 2) (#137967)
Re-lands https://github.com/flutter/flutter/pull/137191.

The fix for the issue causing that PR to be reverted was tested in this PR but ultimately landed separately in https://github.com/flutter/flutter/pull/138093.
2023-11-09 22:40:15 +00:00
auto-submit[bot]
c4ce9479bb
Reverts "[Android] Support Android 34" (#137865)
Reverts flutter/flutter#137191
Initiated by: camsim99
This change reverts the following previous change:
Original Description:
Adds support for Android 34 in the following ways:

- Bumps integration tests compile SDK versions 33 --> 34
- Bumps template compile SDK version 33 --> 34
- Also changes deprecated `compileSdkVersion` to `compileSdk`

Part of https://github.com/flutter/flutter/issues/134220
2023-11-03 20:14:19 +00:00
Camille Simon
675fec805a
[Android] Support Android 34 (#137191)
Adds support for Android 34 in the following ways:

- Bumps integration tests compile SDK versions 33 --> 34
- Bumps template compile SDK version 33 --> 34
- Also changes deprecated `compileSdkVersion` to `compileSdk`

Part of https://github.com/flutter/flutter/issues/134220
2023-11-02 22:18:11 +00:00
Bartek Pacia
3bc64e8fcf
Chore/gradle remove redundant apply (#135348)
I'm removing an unneded block of configuration from the `settings.gradle` template. It was introduced by me in #123511. At that time, I did not know that it's unnecessary, and did not test removing it – sorry about that.

I learned that it's unnecessary recently, when [I asked a question on StackOverflow](https://stackoverflow.com/questions/77073596/whats-the-difference-between-plugins-and-pluginmanagement-plugins-in). More context there.
2023-11-02 19:48:54 +00:00
auto-submit[bot]
4cae1af41d
Reverts "Ensure flutter build apk --release optimizes+shrinks platform code" (#137433)
Reverts flutter/flutter#136880
Initiated by: camsim99
This change reverts the following previous change:
Original Description:
Since the original PR that supposedly enabled proguard, it was using the android proguard rules that disable optimizations. See initial PR in [0]

This PR changes the flutter gradle plugin to use the `proguard-android-optimize.txt` (instead of `proguard-android.txt`) which will enable optimizations/shrinking of platform code (i.e. java/kotlin).

For a simple flutter hello world this results in a 25% reduction in the resulting DEX file (`classes.dex` of the APK).

[0] f098de1fdedec2232aa740a6413f318166762795

Fixes https://github.com/flutter/flutter/issues/136879
2023-10-27 18:07:26 +00:00
Martin Kustermann
1dd21f8d99
Ensure flutter build apk --release optimizes+shrinks platform code (#136880)
Since the original PR that supposedly enabled proguard, it was using the
android proguard rules that disable optimizations. See initial PR in [0]

This PR changes the flutter gradle plugin to use the
`proguard-android-optimize.txt` (instead of `proguard-android.txt`)
which will enable optimizations/shrinking of platform code (i.e.
java/kotlin).

For a simple flutter hello world this results in a 25% reduction in the
resulting DEX file (`classes.dex` of the APK).

Note for users:

For some users this may result in issues because their java/kotlin code is
now better optimized & tree shaken and thereby symbols may be no longer
available or being obfuscated.

To fix those issues it's best to craft precise proguard rules describing the
extra symbols that are needed by the app (see [1]). But it's also possible to
opt out entirely of optimizations by using the unoptimized proguard rules.

To add custom proguard rules or use the unoptimized android rules, one can
update `android/app/build.gradle`:
```
android {
    ...
    buildTypes {
        release {
            ...
+            proguardFiles(
+                // Not ideal: Disables optimizations by using unoptimized android rules.
+                getDefaultProguardFile("proguard-android.txt"),
+
+                // Better: Have precise keep rules to only keep things that are needed.
+                "custom-rules.pro",
+            )
        }
    }
}
```


[0] f098de1fdedec2232aa740a6413f318166762795
[1] https://developer.android.com/build/shrink-code

Fixes https://github.com/flutter/flutter/issues/136879
2023-10-27 09:51:47 +02:00
Gray Mackall
383562a713
Declare dependency on copyFlutterAssetsTask in bundleAarTask (#137370)
Fixes https://github.com/flutter/flutter/issues/129471.

Does so by doing a very similar thing that is done by https://github.com/flutter/flutter/pull/121958, but for a task that is specific to the add to app build process.
2023-10-26 22:05:45 +00:00
Bartek Pacia
dbe0ccd885
Refactor "app plugin loader" Gradle Plugin so it can be applied using the declarative plugins {} block (#127897)
This PR fixes #125009.
2023-09-22 16:31:48 +00:00
Derek Xu
c627dbfbc6
Add --frontend-server-starter-path option to flutter run and flutter test (#135038) 2023-09-21 14:32:35 -04:00
chunhtai
61242fa13b
Updates app link gradle tasks and remove vm services (#131805)
1. Remove vm service registration
2. combine print<variant>ApplicationId and print<variant>AppLinkDomain into one task dump<variant>AppLinkSettings, which dump all the data in a json file

The deeplink validation tool will be a static app in devtool instead of regular app. A Static app doesn't require a running app; therefore, we can't call these API through vmservices. I decided to convert these API into flutter analyzer command, which will be done in a separate PR https://github.com/flutter/flutter/pull/131009.

The reason these print tasks are converted into file dumps is to reduce the amount of data encoding and decoding. Instead of passing data through stdout, the devtool can read the files generated by gradle tasks instead.
2023-08-18 18:42:58 +00:00
William Hesse
3423226958
Fix flutter_tools use of --local-engine-host (#132648)
PR #132346 added the use of --local-engine-host to flutter_tools internals, and had an error on one line. Fix that error, to use the correct field name.

The error occurs when building plugins with the changed tools.
2023-08-16 12:00:25 +00:00
Matan Lurey
6579844528
Update flutter_tools internals related to Gradle/XCode to set --local-engine-host. (#132346)
Partial work towards https://github.com/flutter/flutter/issues/132245.

I made a minor refactor to test-only code because it was too confusing
to have 2 optional parameters that are technically required together,
but otherwise all other changes *should* be pass throughs. That being
said, I can't say I totally understand the Gradle stuff so I could use a
hand double checking that.
2023-08-15 07:28:18 -07:00
Zachary Anderson
118c2df776
Allows adding a storage 'realm' to the storage base URL (#131951)
Context: https://github.com/flutter/flutter/issues/131862

This PR injects a "realm" component to the storage base URL when the contents of the file `bin/internal/engine.realm` is non-empty.

As documented in the PR, when the realm is `flutter_archives_v2`, and `bin/internal/engine.version` contains the commit hash for a commit in a `flutter/engine` PR, then the artifacts pulled by the tool will be the artifacts built by the presubmit checks for the PR.

This works for everything but the following two cases:
1. Fuchsia artifacts are not uploaded to CIPD by the Fuchsia presubmit builds.
2. Web artifacts are not uploaded to gstatic by the web engine presubmit builds.

For (1), the flutter/flutter presubmit `fuchsia_precache` is driven by a shell script outside of the repo. It will fail when the `engine.version` and `engine.realm` don't point to a post-submit engine commit.

For (2), the flutter/flutter web presubmit tests that refer to artifacts in gstatic hang when the artifacts aren't found, so this PR skips them.
2023-08-09 23:26:05 +00:00
Gray Mackall
00a8323533
Add documentation in flutter.groovy noting that we always use the latest available android version (#131705)
Last piece of/
Fixes https://github.com/flutter/flutter/issues/131425

Also added a period to a comment line that was missing one.
2023-08-02 19:56:03 +00:00
chunhtai
5328bd9ae0
Adds vmservices to retrieve android applink settings (#125998)
fixes https://github.com/flutter/flutter/issues/120408

Added two gradle tasks, one for grabing the application id, one for grabbing app link domains.

Added a new vmservices to call these two gradle tasks and return the result.

The expected work flow is that the devtool will first call a vmservices to grab all avaliable build variants. It will then choose one of the build variant and call this new services to get application id and app link domains.
2023-06-07 22:43:11 +00:00
ChenRenJie
dbcff31ed0
Fix incorrect assert hint in flutter.groovy (#125283)
When I include flutter in my exist android project by
`include_flutter.groovy`, it hint me:
```
Project :app doesn't exist. To custom the host app project name, set `org.gradle.project.flutter.hostAppProjectName=<project-name>` in gradle.properties.
```
But set `org.gradle.project.flutter.hostAppProjectName` has no effect,
acutally need to set `flutter.hostAppProjectName`.

This pr is to fix this incorrect hint.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#overview
[Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene
[test-exempt]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes
[Discord]: https://github.com/flutter/flutter/wiki/Chat
2023-05-05 15:34:54 -04:00
Dan Field
fc20983686
Bump the default minSdkVersion to 19 (#125515)
See https://docs.flutter.dev/reference/supported-platforms

I don't expect this to break anything, but if it does we can revert and figure out what else needs to happen first.

Without this change, engine changes upstream will get flagged in default flutter created apps.
2023-04-27 17:26:28 +00:00
Bartek Pacia
51251f2e57
Refactor Flutter Gradle Plugin so it can be applied using the declarative plugins {} block (#123511)
This PR aims to resolve #121552.

Resources used:
- [Developing Plugins](https://docs.gradle.org/current/userguide/custom_plugins.html)
- [Using Gradle Plugins](https://docs.gradle.org/current/userguide/plugins.html#sec:plugins_block)
- [Composite Builds Plugin Development Sample](https://docs.gradle.org/current/samples/sample_composite_builds_plugin_development.html)

This PR also paves way for #121541, because apps will no longer have:

```groovy
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
```

hardcoded. Instead, they'll use:

```groovy
plugins {
    // ...
    id "dev.flutter.flutter-gradle-plugin" // the exact name is tentative
}
```
2023-04-19 17:56:22 +00:00
chunhtai
55502fc36a
Add vmservice for android build options (#123034)
https://github.com/flutter/flutter/issues/120408
2023-04-18 18:16:09 +00:00
Reid Baker
2723266466
i123643 print java version gradle (#123644)
#123643
- Add task to projects evaluated by flutter.gradle that will print the
java version.
- Add integration test for the existence of javaVersion and the expected
format.
- Add gradle util to get the gradlew version for a specific platform
(gradlew everywhere but windows).

Why does this code need to exist? 
Figuring out what version of java is used by flutter/gradle is done in a
few different ways that are not always aligned.
See this issue https://github.com/flutter/flutter/issues/122609 ,
this issue https://github.com/flutter/flutter/issues/121501 this feature
request https://github.com/flutter/flutter/issues/106416

As examples of why assuming the java version is dangerous. 
This task is code flutter can build upon and is the version gradle is
using to build no matter how it is configured.



## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] All existing and new tests are passing.

---------

Co-authored-by: Mitchell Goodwin <58190796+MitchellGoodwin@users.noreply.github.com>
Co-authored-by: Greg Spencer <gspencergoog@users.noreply.github.com>
Co-authored-by: Victoria Ashworth <vashworth@google.com>
Co-authored-by: Christopher Fujino <christopherfujino@gmail.com>
Co-authored-by: Jackson Gardner <jacksongardner@google.com>
Co-authored-by: Rydmike <m.rydstrom@gmail.com>
Co-authored-by: keyonghan <54558023+keyonghan@users.noreply.github.com>
Co-authored-by: chunhtai <47866232+chunhtai@users.noreply.github.com>
Co-authored-by: Taha Tesser <tessertaha@gmail.com>
Co-authored-by: Ben Konyi <bkonyi@google.com>
Co-authored-by: engine-flutter-autoroll <engine-flutter-autoroll@skia.org>
Co-authored-by: hellohuanlin <41930132+hellohuanlin@users.noreply.github.com>
Co-authored-by: Danny Tuppeny <danny@tuppeny.com>
Co-authored-by: Chris Bracken <chris@bracken.jp>
Co-authored-by: Kate Lovett <katelovett@google.com>
Co-authored-by: Michael Goderbauer <goderbauer@google.com>
Co-authored-by: Elias Yishak <42216813+eliasyishak@users.noreply.github.com>
Co-authored-by: Christopher Fujino <fujino@google.com>
2023-04-13 18:13:58 -04:00
André Sousa
d7e851749a
Fix Gradle 7 warnings that are now errors in Gradle 8 (#121958)
Fix Gradle 7 warnings that are now errors in Gradle 8
2023-03-10 18:24:49 +00:00