android: worked around onTouchEvent exception

Summary: Catch `IllegalArgumentException: ReactViewPager.onTouchEvent` and ignore it (but log something) to work around this known bug in the Android SDK per Baseflow/PhotoView#31 (comment). Note that `onInterceptTouchEvent()` is already doing the same thing.

Reviewed By: yungsters

Differential Revision: D13550425

fbshipit-source-id: 9fa3a7a0ca0cd95aafa3bcae6a59e0d1e690b564

ReactAndroid/src/main/java/com/facebook/react/views/viewpager/BUCK

@@ -11,6 +11,7 @@ rn_android_library(
         "PUBLIC",
     ],
     deps = [
+        react_native_dep("libraries/fbcore/src/main/java/com/facebook/common/logging:logging"),
         react_native_dep("third-party/java/infer-annotations:infer-annotations"),
         react_native_dep("third-party/java/jsr-305:jsr-305"),
         react_native_target("java/com/facebook/react/bridge:bridge"),

ReactAndroid/src/main/java/com/facebook/react/views/viewpager/ReactViewPager.java

@@ -9,10 +9,10 @@
 
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
-import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
+import com.facebook.common.logging.FLog;
 import com.facebook.react.bridge.ReactContext;
 import com.facebook.react.common.ReactConstants;
 import com.facebook.react.uimanager.UIManagerModule;
@@ -185,7 +185,7 @@ public boolean onInterceptTouchEvent(MotionEvent ev) {
       // Log and ignore the error. This seems to be a bug in the android SDK and
       // this is the commonly accepted workaround.
       // https://tinyurl.com/mw6qkod (Stack Overflow)
-      Log.w(ReactConstants.TAG, "Error intercepting touch event.", e);
+      FLog.w(ReactConstants.TAG, "Error intercepting touch event.", e);
     }
 
     return false;
@@ -197,7 +197,16 @@ public boolean onTouchEvent(MotionEvent ev) {
       return false;
     }
 
-    return super.onTouchEvent(ev);
+    try {
+      return super.onTouchEvent(ev);
+    } catch (IllegalArgumentException e) {
+      // Log and ignore the error. This seems to be a bug in the android SDK and
+      // this is the commonly accepted workaround.
+      // https://fburl.com/5d3iw7d9
+      FLog.w(ReactConstants.TAG, "Error handling touch event.", e);
+    }
+
+    return false;
   }
 
   public void setCurrentItemFromJs(int item, boolean animated) {