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AndroidAnnotations processing fails in IntelliJ because R.java isn't generated

Tags:

android

maven

intellij-idea

android-annotations

I think there's some problem with IntelliJ when it generates the R.java file, which leads to a problem in AndroidAnnotations because it can't resolve the resource id for my layout.

Here's my activity:

package com.airlocksoftware.canvastest;

import android.app.Activity;
import android.os.Bundle;
import com.googlecode.androidannotations.annotations.EActivity;

@EActivity(R.layout.main)
public class MyActivity extends Activity {
    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }
}

What's weird is that even if I comment out the annotation, and do setContentView(R.layout.main), it works fine even though R.java is never imported.

By the way, the layout is just a simple "Hello World". Nothing weird going on there.

No matter what I do, I can't get AndroidAnnotations to generate CanvasActivity_.java. My pom.xml looks like this:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.airlocksoftware.canvastest</groupId>
    <artifactId>CanvasTest</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <android.version>4.2.2_r2</android.version>
        <android.platform>17</android.platform>
        <androidannotations.version>2.7.1</androidannotations.version>
        <java.version>1.6</java.version>
    </properties>

    <repositories>
        <repository>
            <id>local-repo</id>
            <url>file:///${env.HOME}/.m2/repository</url>
        </repository>
    </repositories>

    <dependencies>
        <dependency>
            <groupId>android</groupId>
            <artifactId>android</artifactId>
            <version>${android.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>com.googlecode.androidannotations</groupId>
            <artifactId>androidannotations</artifactId>
            <version>${androidannotations.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>com.googlecode.androidannotations</groupId>
            <artifactId>androidannotations-api</artifactId>
            <version>${androidannotations.version}</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.5.1</version>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                </configuration>
            </plugin>
            <plugin>
                <groupId>com.jayway.maven.plugins.android.generation2</groupId>
                <artifactId>android-maven-plugin</artifactId>
                <version>3.4.0</version>
                <configuration>
                    <sdk>
                        <platform>${android.platform}</platform>
                    </sdk>
                    <undeployBeforeDeploy>true</undeployBeforeDeploy>
                </configuration>
                <extensions>true</extensions>
            </plugin>
        </plugins>
    </build>
</project>

The annotation processing set up like shown in this screenshot.

annotation processing

Basically I setup the processor path to point to the jar files in my local maven repo, as described here.

The projects sources are set up like shown in this screenshot.

project sources

No matter how I make / rebuild the project, nothing ever shows up in gen/aa (and thus I can't reference CanvasActivity_.java) I ran mvn clean install from the project root, which fails with this stacktrace.

INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4.363s
[INFO] Finished at: Sat May 18 15:53:06 MDT 2013
[INFO] Final Memory: 11M/81M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile (default-compile) on project CanvasProto: Compilation failure: Compilation failure:
[ERROR] /Users/matthewbbishop/Clients/proto/CanvasProto/src/main/java/com/airlocksoftware/CanvasProto/CanvasActivity.java:[6,38] cannot find symbol
[ERROR] symbol  : class R
[ERROR] location: package com.airlocksoftware.CanvasProto
[ERROR] /Users/matthewbbishop/Clients//proto/CanvasProto/src/main/java/com/airlocksoftware/CanvasProto/CanvasActivity.java:[11,12] package R does not exist
[ERROR] /Users/matthewbbishop/Clients/proto/CanvasProto/src/main/java/com/airlocksoftware/CanvasProto/CanvasActivity.java:[14,15] package R does not exist
[ERROR] error: Unexpected error. Please report an issue on AndroidAnnotations, with the following content: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
[ERROR] at com.googlecode.androidannotations.helper.AnnotationHelper.extractAnnotationParameter(AnnotationHelper.java:293)
[ERROR] at com.googlecode.androidannotations.helper.AnnotationHelper.extractAnnotationResIdValueParameter(AnnotationHelper.java:269)
[ERROR] at com.googlecode.androidannotations.helper.IdValidatorHelper.resIdsExist(IdValidatorHelper.java:45)
[ERROR] at com.googlecode.androidannotations.validation.EActivityValidator.validate(EActivityValidator.java:55)
[ERROR] at com.googlecode.androidannotations.validation.ModelValidator.validate(ModelValidator.java:56)
[ERROR] at com.googlecode.androidannotations.AndroidAnnotationProcessor.validateAnnotations(AndroidAnnotationProcessor.java:414)
[ERROR] at com.googlecode.androidannotations.AndroidAnnotationProcessor.processThrowing(AndroidAnnotationProcessor.java:364)
[ERROR] at com.googlecode.androidannotations.AndroidAnnotationProcessor.process(AndroidAnnotationProcessor.java:341)
[ERROR] at com.sun.tools.javac.processing.JavacProcessingEnvironment.callProcessor(JavacProcessingEnvironment.java:627)
[ERROR] at com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:556)
[ERROR] at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:701)
[ERROR] at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:987)
[ERROR] at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:727)
[ERROR] at com.sun.tools.javac.main.Main.compile(Main.java:353)
[ERROR] at com.sun.tools.javac.main.Main.compile(Main.java:279)
[ERROR] at com.sun.tools.javac.main.Main.compile(Main.java:270)
[ERROR] at com.sun.tools.javac.Main.compile(Main.java:87)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[ERROR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[ERROR] at java.lang.reflect.Method.invoke(Method.java:597)
[ERROR] at org.codehaus.plexus.compiler.javac.JavacCompiler.compileInProcess0(JavacCompiler.java:551)
[ERROR] at org.codehaus.plexus.compiler.javac.JavacCompiler.compileInProcess(JavacCompiler.java:526)
[ERROR] at org.codehaus.plexus.compiler.javac.JavacCompiler.compile(JavacCompiler.java:167)
[ERROR] at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:678)
[ERROR] at org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:128)
[ERROR] at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
[ERROR] at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
[ERROR] at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
[ERROR] at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
[ERROR] at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
[ERROR] at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
[ERROR] at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
[ERROR] at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
[ERROR] at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
[ERROR] at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
[ERROR] at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
[ERROR] at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
[ERROR] at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[ERROR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[ERROR] at java.lang.reflect.Method.invoke(Method.java:597)
[ERROR] at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
[ERROR] at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
[ERROR] at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
[ERROR] at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
[ERROR] Caused by: java.lang.reflect.InvocationTargetException
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[ERROR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[ERROR] at java.lang.reflect.Method.invoke(Method.java:597)
[ERROR] at com.googlecode.androidannotations.helper.AnnotationHelper.extractAnnotationParameter(AnnotationHelper.java:287)
[ERROR] ... 46 more
[ERROR] Caused by: java.lang.annotation.AnnotationTypeMismatchException: Incorrectly typed data found for annotation element public abstract int com.googlecode.androidannotations.annotations.EActivity.value() (Found data of type int)
[ERROR] at com.sun.tools.javac.model.AnnotationProxyMaker$ValueVisitor$1.generateException(AnnotationProxyMaker.java:243)
[ERROR] at sun.reflect.annotation.AnnotationInvocationHandler.invoke(AnnotationInvocationHandler.java:56)
[ERROR] at $Proxy16.value(Unknown Source)
[ERROR] ... 51 more

Honestly I'm at a loss now. If anyone has an idea of what to do, that would be amazing. Thanks!

EDIT: here's the stub R.java generated by IntelliJ.

/*___Generated_by_IDEA___*/

package com.airlocksoftware.canvastest;

/* This stub is for using by IDE only. It is NOT the R class actually packed into APK */
public final class R {
}
like image 879
liftdeadtrees Avatar asked Nov 12 '22 05:11

liftdeadtrees

1 Answers

Its because your pom.xml is missing the following:

<packaging>apk</packaging>

Without this the R.java file will not get generated.

Add it to the top of your pom.xml as follows:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.airlocksoftware.canvastest</groupId>
    <artifactId>CanvasTest</artifactId>
    <version>1.0-SNAPSHOT</version>

    <packaging>apk</packaging>

    /* ... */
    /* rest are fine */
    /* ... */
like image 100
Subhas Avatar answered Nov 14 '22 23:11

Subhas
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