a24: return key directly + fix NPE in context.getSystemService() on…

… process death

CHANGELOG.md

@@ -1,8 +1,9 @@
 Change Log
 ==========
 
-Flowless Version 1.0-alpha1.24 *(????-??-??)*
+Flowless Version 1.0-alpha1.24 *(2016-12-26)*
 ---------------------------------------------
+* Fix: `context.getSystemService()` integration should throw IllegalStateException if Flow is not found after process death, instead of crashing with NPE
 * Change: `InternalContextWrapper` should be able to return global key even if Flow is not initialized
 
 Flowless Version 1.0-alpha1.23 *(2016-12-20)*

README.md

@@ -44,7 +44,7 @@ In order to use Flow(less), you need to add jitpack to your project root gradle:
 
 and add the compile dependency to your module level gradle.
 
-    compile 'com.github.Zhuinden:flowless:1.0-alpha1.23'
+    compile 'com.github.Zhuinden:flowless:1.0-alpha1.24'
 
 
 Then, install Flow into your Activity:

flowless-library/src/main/java/flowless/InternalContextWrapper.java

@@ -47,6 +47,9 @@ private Flow findFlow() {
                 throw new IllegalStateException(FLOW_NOT_YET_INITIALIZED);
             }
             flow = internalLifecycleIntegration.flow;
+            if(flow == null) {
+                throw new IllegalStateException(FLOW_NOT_YET_INITIALIZED);
+            }
         }
         return flow;
     }