[MM-10281] Restart whole applicaiton when context is weird

Author: woolimcho

mattermost-mobile/android/app/src/main/java/com/mattermost/rnbeta/MainActivity.java

@@ -2,7 +2,10 @@
 
 import android.os.Bundle;
 import android.support.annotation.Nullable;
+import com.facebook.react.common.LifecycleState;
 import com.reactnativenavigation.controllers.SplashActivity;
+import com.reactnativenavigation.NavigationApplication;
+import com.reactnativenavigation.react.ReactGateway;
 
 public class MainActivity extends SplashActivity {
     @Override
@@ -24,8 +27,20 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
         }
     }
 
+    @Override
+    protected void onResume() {
+        ReactGateway reactGateway = NavigationApplication.instance.getReactGateway();
+        if (reactGateway.hasStartedCreatingContext() 
+            && reactGateway.getReactInstanceManager().getLifecycleState() == LifecycleState.BEFORE_CREATE) {
+            System.exit(0);
+            return;
+        }
+        
+        super.onResume();
+    }
+
     @Override
     public int getSplashLayout() {
         return R.layout.launch_screen;
     }
-}
+}