Issues when Updating Old Projects to TargetSDK 35

2025, Mar 12

Project Update to TargetSDK 35 Issues Log

Preview stage (2024)

Gradle Compatibility Issues when Updating to target sdk 35

To resolve this issue, you need to upgrade gradle to 8.0+, but various problems arise…

Inconsistent JVM-target compatibility

target sdk 35

Solution 1: Add the following to gradle.properties
```
kotlin.jvm.target.validation.mode = IGNORE
```
Solution 2: Referring to the Kid project, add the following to gradle.properties
```
COMPILE_JAVA_VERSION=17
```
And specify the Java version in the corresponding build.gradle

Product Flavor 'global' contains custom BuildConfig fields, but the feature is disabled

target sdk 35

Solution: Add the following to gradle.properties

android.defaults.buildfeatures.buildconfig=true

AIDL error

target sdk 35

Solution: Add the following to gradle.properties
```
android.defaults.buildfeatures.aidl=true
```

Manifest merger failed : Attribute property#android.adservices.AD_SERVICES_CONFIG

target sdk 35

Solution:
1. Downgrade com.google.firebase:firebase-ads to 22.3.0 in AirDroid/build.gradle
2. Downgrade com.google.android.gms:play-services-ads to 22.3.0 in AdmobModule/build.gradle
References: https://issuetracker.google.com/issues/327696048 https://stackoverflow.com/questions/78085458/manifest-merger-failed-with-agp-8-3-0 https://stackoverflow.com/questions/78350965/manifest-merger-failed-attribute-propertyandroid-adservices-ad-services-confi

AndroidAnnotation error

target sdk 35

Add the following to gradle.properties
```
android.nonFinalResIds=false
```
Error changed to:

The files that AA (AndroidAnnotation) should create are not being created properly. Following AA’s debugging method, check androidannotations.log in the build folder:

10:13:18.48 [WorkerExecutor Queue Thread 2] ERROR o.a.i.h.AndroidManifestFinder:152 - Could not find the AndroidManifest.xml file, using  generation folder [/Users/sion/gerrit/airmirror/airdroid/AirDroid/build/generated/source/kapt/channelDebug])

Found that the AndroidManifest.xml file could not be found.

Referencing other projects, add the following to AirDroid/Build.gradle:

javaCompileOptions {
  annotationProcessorOptions {
      arguments["androidManifestFile"] = "$projectDir/src/main/AndroidManifest.xml"
  }
}

The files that AA should create are still not being created properly.

Check androidannotations.log again:

10:25:09.812 [WorkerExecutor Queue] ERROR o.a.i.r.ProjectRClassFinder:49 - The generated .R class cannot be found

The problem has changed to not finding the .R file.

Change javaCompileOptions in AirDroid/Build.gradle as follows:

javaCompileOptions {
  annotationProcessorOptions {
      arguments = [
              'androidManifestFile': "$projectDir/src/main/AndroidManifest.xml",
              'resourcePackageName': getPackageName("sandstudio")
      ]
  }
}

Compilation succeeded! However, the app crashes when opened

Default FirebaseApp is not initialized

target sdk 35

Firebase performs auto-initialization through a ContentProvider called FirebaseInitProvider, so there’s no need to separately add FirebaseApp.initializeApp(Context).

Check related logs:

2025-02-13 15:12:46.078  4449-4449  FirebaseApp             com.sand.airmirror                   W  Default FirebaseApp failed to initialize because no default options were found. This usually means that com.google.gms:google-services was not applied to your gradle project.
2025-02-13 15:12:46.078  4449-4449  FirebaseInitProvider    com.sand.airmirror                   I  FirebaseApp initialization unsuccessful

Found that initialization failed.

Solution: Upgrade google-services to 4.4.2 in the root directory’s build.gradle ```java buildscript { dependencies { classpath ‘com.google.gms:google-services:4.4.2’ } }

<div class="c-border-main-title-2">Release build error while uploadCrashlyticsMappingFileIntlRelease</div>

```java
* What went wrong:
A problem was found with the configuration of task ':AirDroid:uploadCrashlyticsMappingFileIntlRelease' (type 'UploadMappingFileTask').
  - In plugin 'com.google.firebase.crashlytics' type 'com.google.firebase.crashlytics.buildtools.gradle.tasks.UploadMappingFileTask' property 'googleServicesFile' specifies file '/media/build/workspace/airmirror-release/AirDroid/build/generated/res/google-services/intl/release/values/values.xml' which doesn't exist.
    
    Reason: An input file was expected to be present but it doesn't exist.

Solution: Upgrade firebase-crashlytics to 3.0.3 in the root directory’s build.gradle

buildscript {
  dependencies {
      classpath 'com.google.firebase:firebase-crashlytics-gradle:3.0.3'
  }
}

Missing classes detected while running R8

channelRelease build failure information: ```java

Task :AdmobModule:minifyChinaReleaseWithR8 FAILED ERROR: Missing classes detected while running R8. Please add the missing classes or apply additional keep rules that are generated in /media/build/workspace/airmirror-release/AdmobModule/build/outputs/mapping/chinaRelease/missing_rules.txt. ERROR: R8: Missing class java.lang.invoke.StringConcatFactory (referenced from: java.lang.String com.sand.admobmodule.SandAdRewardManager$AdSource.toString() and 41 other contexts)

* Check:
`/AdmobModule/build/outputs/mapping/chinaRelease/missing_rules.txt`
```java
# Please add these rules to your existing keep rules in order to suppress warnings.
# This is generated automatically by the Android Gradle plugin.
-dontwarn java.lang.invoke.StringConcatFactory

Solution: Add the following to AdmobModule’s proguard-rules.pro:
```
-dontwarn java.lang.invoke.StringConcatFactory
```

GreenDao Compatibility Issues when Upgrading AGP to 8.0+

GreenDao has stopped updating, and the releases on GitHub are at most 3.3.0, but checking mvnrepository and GitHub commit messages shows that greendaoPlugin was quietly updated in 2023. Actually upgrading green dao plugin to 3.3.1 makes sync project work.
- https://mvnrepository.com/artifact/org.greenrobot/greendao-gradle-plugin
- https://github.com/greenrobot/greenDAO/commit/1c45c2c581a5cd1dc2da025b3628d60dcf65bbed

Later, another error occurs
target sdk 35

In this case, change the targetGenDir in gradle’s greendao settings to targetGenDir = file("$buildDir/generated/source/greendao")

Also add corresponding arguments to kapt

  kapt {
      correctErrorTypes = true

      arguments {
          arg("greendao.targetGenDir", file("$buildDir/generated/source/greendao").absolutePath)
          arg("greendao.schema", "$projectDir/src/main/java")
          arg("greendao.daoPackage", "com.sand.airsos.database")
          arg("greendao.targetGenDir", "$projectDir/src/main/java")
      }

  }

# Android

Issues when Updating Old Projects to TargetSDK 35

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