Add artificial crash button to sample app

Summary: Lets you test the crash reporter more easily

Reviewed By: passy

Differential Revision: D18830402

fbshipit-source-id: fca57a05f121ca4219aaaf4e2b8bfeca9b46a4a9

android/sample/src/main/java/com/facebook/flipper/sample/RootComponentSpec.java

@@ -76,6 +76,13 @@ public class RootComponentSpec {
                 .marginDip(YogaEdge.ALL, 10)
                 .textSizeSp(20)
                 .clickHandler(RootComponent.openAlternateActivityOne(c)))
+        .child(
+            Text.create(c)
+                .text("Crash this app")
+                .key("7")
+                .marginDip(YogaEdge.ALL, 10)
+                .textSizeSp(20)
+                .clickHandler(RootComponent.triggerCrash(c)))
         .child(
             displayImage
                 ? FrescoImage.create(c)
@@ -114,6 +121,11 @@ public class RootComponentSpec {
     c.getAndroidContext().startActivity(intent);
   }
 
+  @OnEvent(ClickEvent.class)
+  static void triggerCrash(final ComponentContext c) {
+    throw new RuntimeException("Artificially triggered crash from Flipper sample app");
+  }
+
   @OnUpdateState
   static void updateDisplayImage(StateValue<Boolean> displayImage) {
     displayImage.set(true);