Fix build errors.

Author: vkryachko

encoders/firebase-encoders-processor/src/main/java/com/google/firebase/encoders/processor/EncodableProcessor.java

@@ -20,7 +20,6 @@
 import com.google.firebase.encoders.annotations.Encodable;
 import com.google.firebase.encoders.processor.getters.Getter;
 import com.google.firebase.encoders.processor.getters.GetterFactory;
-import com.squareup.javapoet.AnnotationSpec;
 import com.squareup.javapoet.ClassName;
 import com.squareup.javapoet.FieldSpec;
 import com.squareup.javapoet.JavaFile;
@@ -63,6 +62,11 @@ public class EncodableProcessor extends AbstractProcessor {
   private Types types;
   private GetterFactory getterFactory;
 
+  @Override
+  public SourceVersion getSupportedSourceVersion() {
+    return SourceVersion.latestSupported();
+  }
+
   @Override
   public synchronized void init(ProcessingEnvironment processingEnvironment) {
     super.init(processingEnvironment);
@@ -88,6 +92,9 @@ private void processClass(Element element) {
     ClassName className =
         ClassName.bestGuess("Auto" + Names.generatedClassName(element) + "Encoder");
     ClassName configurator = ClassName.get("com.google.firebase.encoders.config", "Configurator");
+
+    // TODO(vkryachko): add @Generated annotation in a way that is compatible with Java versions
+    // before and after 9. See https://github.com/google/dagger/pull/882
     TypeSpec.Builder encoderBuilder =
         TypeSpec.classBuilder(className)
             .addJavadoc("@hide")

encoders/firebase-encoders-processor/src/test/resources/ExpectedGenericsEncoder.java

@@ -18,9 +18,7 @@
 import com.google.firebase.encoders.config.EncoderConfig;
 import java.io.IOException;
 import java.lang.Override;
-import javax.annotation.Generated;
 
-@Generated("com.google.firebase.encoders.processor.EncodableProcessor")
 public final class AutoGenericsEncoder implements Configurator {
     public static final int CODEGEN_VERSION = 1;
 

encoders/firebase-encoders-processor/src/test/resources/ExpectedGenericsEncoderWithUnknownType.java

@@ -18,11 +18,9 @@
 import com.google.firebase.encoders.config.EncoderConfig;
 import java.io.IOException;
 import java.lang.Override;
-import javax.annotation.Generated;
 
 /**
  * @hide */
-@Generated("com.google.firebase.encoders.processor.EncodableProcessor")
 public final class AutoGenericClassEncoder implements Configurator {
     public static final int CODEGEN_VERSION = 1;
 

encoders/firebase-encoders-processor/src/test/resources/ExpectedRecursiveGenericEncoder.java

@@ -20,9 +20,7 @@
 import com.google.firebase.encoders.config.EncoderConfig;
 import java.io.IOException;
 import java.lang.Override;
-import javax.annotation.Generated;
 
-@Generated("com.google.firebase.encoders.processor.EncodableProcessor")
 public final class AutoMainClassEncoder implements Configurator {
     public static final int CODEGEN_VERSION = 1;
 

encoders/firebase-encoders-processor/src/test/resources/ExpectedSimpleClassEncoder.java

@@ -18,9 +18,7 @@
 import com.google.firebase.encoders.config.EncoderConfig;
 import java.io.IOException;
 import java.lang.Override;
-import javax.annotation.Generated;
 
-@Generated("com.google.firebase.encoders.processor.EncodableProcessor")
 public final class AutoSimpleClassEncoder implements Configurator {
   public static final int CODEGEN_VERSION = 1;
 

encoders/firebase-encoders-processor/src/test/resources/ExpectedTypeWithListEncoder.java

@@ -18,11 +18,9 @@
 import com.google.firebase.encoders.config.EncoderConfig;
 import java.io.IOException;
 import java.lang.Override;
-import javax.annotation.Generated;
 
 /**
  * @hide */
-@Generated("com.google.firebase.encoders.processor.EncodableProcessor")
 public final class AutoTypeWithListEncoder implements Configurator {
     public static final int CODEGEN_VERSION = 1;
 

firebase-inappmessaging/firebase-inappmessaging.gradle

@@ -119,6 +119,9 @@ dependencies {
     implementation project(':firebase-installations-interop')
     runtimeOnly project(':firebase-installations')
 
+    //To provide @Generated annotations
+    compileOnly 'javax.annotation:jsr250-api:1.0'
+
     implementation 'com.google.android.gms:play-services-tasks:17.0.0'
     implementation 'io.grpc:grpc-stub:1.21.0'
     implementation 'io.grpc:grpc-protobuf-lite:1.21.0'

gradle.properties

@@ -15,8 +15,9 @@ org.gradle.jvmargs=-Xmx8g -XX:MaxPermSize=8g
 
 org.gradle.jvmargs=-Xmx8g -XX:MaxPermSize=8g
 
-android.enableJetifier=false
+android.enableJetifier=true
 android.useAndroidX=true
+android.jetifier.blacklist=errorprone
 
 org.gradle.parallel=true
 org.gradle.caching=true