feat: remove direct Rx 1.X dependencies

Author: Kaushik Gopal

app/build.gradle

@@ -38,14 +38,13 @@ dependencies {
     compile "com.squareup.okhttp3:okhttp-urlconnection:${okhttpVersion}"
     compile 'com.mcxiaoke.volley:library:1.0.19'
 
-    // ----------- Rx dependencies
+    // ----------------------------------
+    //  Rx dependencies
 
-    compile 'io.reactivex:rxjava:1.1.4'
     compile 'io.reactivex.rxjava2:rxjava:2.0.1'
 
     // 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.
-    compile 'io.reactivex:rxandroid:1.2.0'
     compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
 
     // libs like rxbinding + rxjava-math haven't been ported to RxJava 2.x yet, so this helps
@@ -56,6 +55,7 @@ dependencies {
     compile 'com.jakewharton.rxbinding:rxbinding:0.2.0'
     compile 'com.jakewharton.retrofit:retrofit2-rxjava2-adapter:1.0.0'
 
+    // ----------------------------------
 
     debugCompile 'com.squareup.leakcanary:leakcanary-android:1.3'
     releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.3'

app/src/main/java/com/morihacky/android/rxjava/fragments/PlaygroundFragment.java

@@ -15,13 +15,13 @@
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 import com.morihacky.android.rxjava.R;
+import io.reactivex.Observable;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.schedulers.Schedulers;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
-import rx.Observable;
-import rx.android.schedulers.AndroidSchedulers;
-import rx.schedulers.Schedulers;
 import timber.log.Timber;
 
 public class PlaygroundFragment
@@ -61,7 +61,7 @@ public void startOperation() {
         _logs.clear();
         _log("Button Clicked");
 
-        Observable.from(Arrays.asList("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l"))//
+        Observable.fromIterable(Arrays.asList("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l"))//
                   .flatMap(s1 -> {
 
                       _log(s1 + "start");