Added correct robotium.

Author: ravidsrk

README.md

@@ -673,10 +673,12 @@ public class MainActivityRobotiumTest {
     private Solo solo;
 
     @Rule
-    public MainActivityRobotiumTestRule<MainActivity> mActivityRule = new MainActivityRobotiumTestRule<>(MainActivity.class);
+    public ActivityTestRule<MainActivity> activityTestRule =
+            new ActivityTestRule<>(MainActivity.class);
 
     public void setUp() {
-        solo = new Solo(mActivityRule.getInstrumentation(), mActivityRule.getActivity());
+        solo = new Solo(InstrumentationRegistry.getInstrumentation(),
+                activityTestRule.getActivity());
     }
 
     public void tearDown() {
@@ -696,8 +698,6 @@ public class MainActivityRobotiumTest {
 }
 ```
 
-[MainActivityRobotiumTestRule.java](https://github.com/ravidsrk/android-testing-guide/blob/master/SampleApp/app/src/androidTest/java/in/ravidsrk/sample/MainActivityRobotiumTestRule.java)
-
 ### UI testing and UI Automator
 
 [MainActivityTest](https://github.com/ravidsrk/android-testing-guide/blob/master/SampleApp/app/src/androidTest/java/in/ravidsrk/sample/MainActivityTest.java#L101)

SampleApp/app/build.gradle

@@ -39,6 +39,5 @@ dependencies {
     androidTestCompile 'com.android.support.test:runner:0.5'
     androidTestCompile 'com.android.support.test:rules:0.5'
     androidTestCompile 'com.android.support.test.uiautomator:uiautomator-v18:2.1.2'
-    androidTestCompile 'com.jayway.android.robotium:robotium-solo:5.5.4'
-
+    androidTestCompile 'com.jayway.android.robotium:robotium-solo:5.6.0'
 }

SampleApp/app/src/androidTest/java/in/ravidsrk/sample/MainActivityRobotiumTest.java

@@ -1,5 +1,8 @@
 package in.ravidsrk.sample;
 
+import android.support.test.InstrumentationRegistry;
+import android.support.test.rule.ActivityTestRule;
+
 import com.robotium.solo.Solo;
 
 import org.junit.Rule;
@@ -11,10 +14,12 @@ public class MainActivityRobotiumTest {
     private Solo solo;
 
     @Rule
-    public MainActivityRobotiumTestRule<MainActivity> mActivityRule = new MainActivityRobotiumTestRule<>(MainActivity.class);
+    public ActivityTestRule<MainActivity> activityTestRule =
+            new ActivityTestRule<>(MainActivity.class);
 
     public void setUp() {
-        solo = new Solo(mActivityRule.getInstrumentation(), mActivityRule.getActivity());
+        solo = new Solo(InstrumentationRegistry.getInstrumentation(),
+                activityTestRule.getActivity());
     }
 
     public void tearDown() {