Add retrofit, gson, dagger rx2, recyclerview

Author: EbenezerGH

app/build.gradle

@@ -24,10 +24,42 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+
+    /**
+     Because RxAndroid releases are few and far between, it is recommended you also
+     explicitly depend on RxJava's latest version for bug fixes and new features.
+     */
+    implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
+    implementation 'io.reactivex.rxjava2:rxjava:2.0.9'
+
+    /**
+     * Android Studio by default will not recognize a lot of generated Dagger 2 code as
+     * legitimate classes, but adding the android-apt plugin will add these files into the
+     * IDE class path and enable you to have more visibility.
+     */
+    compile 'com.google.dagger:dagger:2.4'
+    annotationProcessor "com.google.dagger:dagger-compiler:2.4"
+
+    // google
+    implementation 'com.android.support:design:26.1.0'
+
+    // gson
+    compile 'com.google.code.gson:gson:2.8.0'
+
+    // retrofit
+    compile 'com.squareup.retrofit2:retrofit:2.2.0'
+    compile 'com.squareup.retrofit2:converter-gson:2.2.0'
+    compile 'com.squareup.retrofit2:adapter-rxjava2:2.2.0'
+
+    // google
     implementation 'com.android.support:appcompat-v7:26.1.0'
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
-    implementation 'com.android.support:design:26.1.0'
+    compile 'com.android.support:recyclerview-v7:26.1.0'
+
+    // kotlin
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+
+    // tests
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.1'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'