Integrated Dagger Android to simplify the project.

build.gradle

@@ -4,18 +4,17 @@ apply from: 'dependencies.gradle'
 buildscript {
     repositories {
         jcenter()
-        mavenCentral()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
-        classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
-        classpath 'me.tatarka:gradle-retrolambda:3.4.0'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 

data/build.gradle

@@ -1,6 +1,4 @@
 apply plugin: 'com.android.library'
-apply plugin: 'com.neenbedankt.android-apt'
-apply plugin: 'me.tatarka.retrolambda'
 
 android {
     compileSdkVersion rootProject.ext.androidCompileSdkVersion

data/src/main/java/com/jordifierro/androidbase/data/net/interceptor/HttpInterceptor.java

@@ -6,13 +6,11 @@
 import java.util.Locale;
 
 import javax.inject.Inject;
-import javax.inject.Singleton;
 
 import okhttp3.Interceptor;
 import okhttp3.Request;
 import okhttp3.Response;
 
-@Singleton
 public class HttpInterceptor implements Interceptor {
 
     @Inject

data/src/main/java/com/jordifierro/androidbase/data/repository/NoteDataRepository.java

@@ -9,13 +9,9 @@
 import java.util.List;
 
 import javax.inject.Inject;
-import javax.inject.Singleton;
 
 import io.reactivex.Observable;
-import io.reactivex.functions.Function;
-import retrofit2.Response;
 
-@Singleton
 public class NoteDataRepository extends RestApiRepository implements NoteRepository {
 
     private final RestApi restApi;

data/src/main/java/com/jordifierro/androidbase/data/repository/SessionDataRepository.java

@@ -6,9 +6,7 @@
 import com.jordifierro.androidbase.domain.repository.SessionRepository;
 
 import javax.inject.Inject;
-import javax.inject.Singleton;
 
-@Singleton
 public class SessionDataRepository implements SessionRepository {
 
     private static final String EMAIL = "email";

data/src/main/java/com/jordifierro/androidbase/data/repository/UserDataRepository.java

@@ -8,13 +8,9 @@
 import com.jordifierro.androidbase.domain.repository.UserRepository;
 
 import javax.inject.Inject;
-import javax.inject.Singleton;
 
 import io.reactivex.Observable;
-import io.reactivex.functions.Function;
-import retrofit2.Response;
 
-@Singleton
 public class UserDataRepository extends RestApiRepository implements UserRepository {
 
     private final RestApi restApi;

data/src/main/java/com/jordifierro/androidbase/data/repository/VersionDataRepository.java

@@ -6,11 +6,9 @@
 import com.jordifierro.androidbase.domain.repository.VersionRepository;
 
 import javax.inject.Inject;
-import javax.inject.Singleton;
 
 import io.reactivex.Observable;
 
-@Singleton
 public class VersionDataRepository extends RestApiRepository implements VersionRepository {
 
     private final RestApi restApi;

data/src/test/java/com/jordifierro/androidbase/data/repository/NoteDataRepositoryTest.java

@@ -3,7 +3,6 @@
 import com.google.gson.FieldNamingPolicy;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
-import com.jakewharton.retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
 import com.jordifierro.androidbase.data.net.RestApi;
 import com.jordifierro.androidbase.data.net.error.RestApiErrorException;
 import com.jordifierro.androidbase.data.utils.TestUtils;
@@ -23,6 +22,7 @@
 import okhttp3.mockwebserver.MockWebServer;
 import okhttp3.mockwebserver.RecordedRequest;
 import retrofit2.Retrofit;
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
 import retrofit2.converter.gson.GsonConverterFactory;
 
 import static junit.framework.Assert.assertEquals;

data/src/test/java/com/jordifierro/androidbase/data/repository/UserDataRepositoryTest.java

@@ -3,7 +3,6 @@
 import com.google.gson.FieldNamingPolicy;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
-import com.jakewharton.retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
 import com.jordifierro.androidbase.data.net.RestApi;
 import com.jordifierro.androidbase.data.net.error.RestApiErrorException;
 import com.jordifierro.androidbase.data.net.wrapper.UserWrapper;
@@ -24,6 +23,7 @@
 import okhttp3.mockwebserver.MockWebServer;
 import okhttp3.mockwebserver.RecordedRequest;
 import retrofit2.Retrofit;
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
 import retrofit2.converter.gson.GsonConverterFactory;
 
 import static junit.framework.Assert.assertEquals;

data/src/test/java/com/jordifierro/androidbase/data/repository/VersionDataRepositoryTest.java

@@ -2,7 +2,6 @@
 
 import com.google.gson.FieldNamingPolicy;
 import com.google.gson.GsonBuilder;
-import com.jakewharton.retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
 import com.jordifierro.androidbase.data.net.RestApi;
 import com.jordifierro.androidbase.data.utils.TestUtils;
 import com.jordifierro.androidbase.domain.entity.UserEntity;
@@ -21,6 +20,7 @@
 import okhttp3.mockwebserver.MockWebServer;
 import okhttp3.mockwebserver.RecordedRequest;
 import retrofit2.Retrofit;
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
 import retrofit2.converter.gson.GsonConverterFactory;
 
 import static junit.framework.Assert.assertEquals;

dependencies.gradle

@@ -8,24 +8,25 @@ ext {
     //Android
     appVersionCode = 1
     appVersionName = '1.0'
-    androidBuildToolsVersion = '25.0.2'
+    androidBuildToolsVersion = '27.0.3'
     androidMinSdkVersion = 15
-    androidTargetSdkVersion = 23
-    androidCompileSdkVersion = 23
-    androidSupportVersion = '23.2.1'
+    androidTargetSdkVersion = 27
+    androidCompileSdkVersion = 27
+    androidSupportVersion = '27.0.2'
 
     //Libraries
-    daggerVersion = '2.8'
-    butterKnifeVersion = '7.0.1'
-    rxJavaVersion = '2.0.2'
+    daggerVersion = '2.14.1'
+    butterKnifeVersion = '8.8.1'
+    rxJavaVersion = '2.1.8'
     rxAndroidVersion = '2.0.1'
     javaxAnnotationVersion = '1.0'
     javaxInjectVersion = '1'
-    retrofitVersion = '2.1.0'
-    retrofitRxJava2AdapterVersion = '1.0.0'
+    retrofitVersion = '2.3.0'
 
     //Testing
     jUnitVersion = '4.10'
+    truthVersion = '0.34'
+
     mockitoVersion = '1.9.5'//'2.0.43-beta', wait for dexmaker
     dexmakerVersion = '1.4'
     mockWebServerVersion = '3.2.0'
@@ -43,14 +44,15 @@ ext {
 
     domainTestDependencies = [
             junit:              "junit:junit:${jUnitVersion}",
+            truth         : "com.google.truth:truth:${truthVersion}",
             mockito:            "org.mockito:mockito-core:${mockitoVersion}",
             jetAnnotations:     "org.jetbrains:annotations-java5:${jetAnnotationVersion}"
     ]
 
     dataDependencies = [
             retrofit:           "com.squareup.retrofit2:retrofit:${retrofitVersion}",
             retrofitGson:       "com.squareup.retrofit2:converter-gson:${retrofitVersion}",
-            retrofitRxJava2:    "com.jakewharton.retrofit:retrofit2-rxjava2-adapter:${retrofitRxJava2AdapterVersion}",
+            retrofitRxJava2:    "com.squareup.retrofit2:adapter-rxjava2:${retrofitVersion}",
             javaxAnnotation:    "javax.annotation:jsr250-api:${javaxAnnotationVersion}",
             rxJava:             "io.reactivex.rxjava2:rxjava:${rxJavaVersion}"
     ]
@@ -65,7 +67,10 @@ ext {
     presentationDependencies = [
             daggerCompiler:     "com.google.dagger:dagger-compiler:${daggerVersion}",
             dagger:             "com.google.dagger:dagger:${daggerVersion}",
+            daggerAndroid:      "com.google.dagger:dagger-android:${daggerVersion}",
+            daggerProcessor:    "com.google.dagger:dagger-android-processor:${daggerVersion}",
             butterKnife:        "com.jakewharton:butterknife:${butterKnifeVersion}",
+            butterCompiler:     "com.jakewharton:butterknife-compiler:${butterKnifeVersion}",
             rxJava:             "io.reactivex.rxjava2:rxjava:${rxJavaVersion}",
             rxAndroid:          "io.reactivex.rxjava2:rxandroid:${rxAndroidVersion}",
             javaxAnnotation:    "javax.annotation:jsr250-api:${javaxAnnotationVersion}",

domain/build.gradle

@@ -1,7 +1,7 @@
 apply plugin: "java"
 
-sourceCompatibility = 1.7
-targetCompatibility = 1.7
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
 
 dependencies {
     def domainDependencies = rootProject.ext.domainDependencies
@@ -10,6 +10,7 @@ dependencies {
     compile domainDependencies.javaxInject
     compile domainDependencies.rxJava
 
+    testCompile domainTestDependencies.truth
     testCompile domainTestDependencies.junit
     testCompile domainTestDependencies.mockito
     testCompile domainTestDependencies.jetAnnotations

domain/src/main/java/com/jordifierro/androidbase/domain/entity/VoidEntity.java

@@ -5,4 +5,14 @@
  */
 
 public class VoidEntity {
+
+    private static VoidEntity voidEntity = new VoidEntity();
+
+    private VoidEntity() {
+
+    }
+
+    public static VoidEntity getInstance() {
+        return voidEntity;
+    }
 }

domain/src/main/java/com/jordifierro/androidbase/domain/interactor/TimerUseCase.java

@@ -0,0 +1,77 @@
+package com.jordifierro.androidbase.domain.interactor;
+
+
+import com.jordifierro.androidbase.domain.entity.VoidEntity;
+import com.jordifierro.androidbase.domain.executor.PostExecutionThread;
+
+import java.util.concurrent.TimeUnit;
+
+import javax.inject.Inject;
+
+import io.reactivex.Observable;
+import io.reactivex.Scheduler;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.disposables.Disposables;
+import io.reactivex.observers.DisposableObserver;
+
+public class TimerUseCase {
+
+    public static final int DEFAULT_DELAY = 1;
+    public static final TimeUnit DEFAULT_TIME_UNIT = TimeUnit.SECONDS;
+    private final Scheduler scheduler;
+    private final PostExecutionThread postExecutionThread;
+    protected Disposable disposable = Disposables.empty();
+    private int delay = DEFAULT_DELAY;
+    private TimeUnit timeUnit = DEFAULT_TIME_UNIT;
+
+    @Inject
+    public TimerUseCase(Scheduler scheduler, PostExecutionThread postExecutionThread) {
+        this.scheduler = scheduler;
+        this.postExecutionThread = postExecutionThread;
+    }
+
+    public Observable<VoidEntity> buildUseCaseObservable() {
+        return Observable.timer(delay, timeUnit, scheduler).map(aLong -> VoidEntity.getInstance());
+    }
+
+    public void execute(DisposableObserver<VoidEntity> useCaseDisposable) {
+        this.disposable = this.buildUseCaseObservable()
+                .subscribeOn(scheduler)
+                .observeOn(postExecutionThread.getScheduler())
+                .subscribeWith(useCaseDisposable);
+    }
+
+    public void unsubscribe() {
+        if (!isUnsubscribed()) {
+            this.disposable.dispose();
+        }
+    }
+
+    public boolean isUnsubscribed() {
+        return this.disposable.isDisposed();
+    }
+
+    public TimerUseCase setParam(int delay) {
+        return setParam(delay, TimeUnit.SECONDS);
+    }
+
+    public TimerUseCase setParam(int delay, TimeUnit timeUnit) {
+        checkDelayParams(delay);
+        this.delay = delay;
+        this.timeUnit = timeUnit;
+        return this;
+    }
+
+
+    private void checkDelayParams(int delay) {
+        if (isInvalidParam(delay)) {
+            throw new RuntimeException("Illegal Params.");
+        }
+    }
+
+    private boolean isInvalidParam(int delay) {
+        return delay <= 0;
+    }
+
+
+}