Init project.

ios/RNWechat.m

@@ -0,0 +1,13 @@
+#import "RNWechat.h"
+
+@implementation RNWechat
+
+RCT_EXPORT_MODULE()
+
+RCT_EXPORT_METHOD(sampleMethod:(NSString *)stringArgument numberParameter:(nonnull NSNumber *)numberArgument callback:(RCTResponseSenderBlock)callback)
+{
+    // TODO: Implement some actually useful functionality
+    callback(@[[NSString stringWithFormat: @"numberArgument: %@ stringArgument: %@", numberArgument, stringArgument]]);
+}
+
+@end