Fix project import issue in Android Studio and a compilation failure

Author: mttkay

rxjava-contrib/rxjava-android-samples-build-wrapper/build.gradle

@@ -7,7 +7,7 @@ tasks.build.doLast {
     project.exec {
       workingDir '../rxjava-android-samples'
 
-      commandLine "./gradlew", "clean", "packageDebug", "-PrxjVersion=${version}"
+      commandLine "./gradlew", "clean", "packageDebug"
     }
   }
 }

rxjava-contrib/rxjava-android-samples/samples/build.gradle

@@ -18,7 +18,15 @@ android {
     }
 }
 
+// make sure we always compile against the latest version of RxJava
+def rootProjectProperties = new Properties()
+file("../../../gradle.properties").withReader { reader ->
+    rootProjectProperties.load(reader)
+    properties.putAll(rootProjectProperties)
+}
+
 dependencies {
+    def rxjVersion = rootProjectProperties.get("version")
     compile "com.netflix.rxjava:rxjava-android:$rxjVersion"
     compile fileTree(dir: 'libs', include: ['*.jar'])
 }

rxjava-contrib/rxjava-android-samples/samples/src/main/java/com/netflix/rxjava/android/samples/RetainedFragment.java

@@ -36,7 +36,7 @@ public RetainedFragment() {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        strings = SampleObservables.numberStrings2().cache();
+        strings = SampleObservables.numberStrings().cache();
     }
 
     @Override