Init project.

android/src/main/java/com/uiwjs/AlipayPackage.java

@@ -0,0 +1,23 @@
+package com.uiwjs;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import com.facebook.react.ReactPackage;
+import com.facebook.react.bridge.NativeModule;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.uimanager.ViewManager;
+import com.facebook.react.bridge.JavaScriptModule;
+
+public class AlipayPackage implements ReactPackage {
+    @Override
+    public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
+        return Arrays.<NativeModule>asList(new AlipayModule(reactContext));
+    }
+
+    @Override
+    public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
+        return Collections.emptyList();
+    }
+}