feat: add compare example

Author: huizzzhou

dart_native/android/src/main/jni/dart_native.cpp

@@ -55,7 +55,6 @@ JNIEnv *getEnv() {
 
   switch (ret) {
     case JNI_OK:
-      NSLog("JNI_OK");
       return env;
     case JNI_EDETACHED:
       NSLog("attach to current thread");
@@ -221,7 +220,6 @@ void *invokeNativeMethodNeo(void *classPtr, char *methodName, void **args, char
     }
     char *methodSignature = spliceChar(signature, returnType);
     jmethodID method = getEnv()->GetMethodID(cls, methodName, methodSignature);
-    NSLog("call method: %s descriptor: %s", methodName, methodSignature);
 
     if (strlen(returnType) > 1) {
         if (strcmp(returnType, "Ljava/lang/String;") == 0) {

dart_native/example/android/app/src/main/java/com/dartnative/dart_native_example/MainActivity.java

@@ -6,10 +6,15 @@
 import io.flutter.Log;
 import io.flutter.embedding.android.FlutterActivity;
 import io.flutter.embedding.engine.FlutterEngine;
+import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
+import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
+import io.flutter.plugin.common.MethodChannel.Result;
 import io.flutter.plugins.GeneratedPluginRegistrant;
 
 public class MainActivity extends FlutterActivity {
   public static final String TAG = "dart_java";
+  private final String CHANNEL_NAME = "dart_native.example";
 
   static {
     DartNativePlugin.setSoPath("");
@@ -18,6 +23,18 @@ public class MainActivity extends FlutterActivity {
   @Override
   public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
     GeneratedPluginRegistrant.registerWith(flutterEngine);
+    new MethodChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), CHANNEL_NAME).setMethodCallHandler(new MethodCallHandler() {
+      @Override
+      public void onMethodCall(@NonNull MethodCall call, @NonNull Result result) {
+        if ("channelInt".equals(call.method)) {
+          result.success(100);
+        } else if ("channelString".equals(call.method)) {
+          result.success("test success");
+        } else {
+          result.notImplemented();
+        }
+      }
+    });
   }
 
   public int getInt(int i){

dart_native/example/android/app/src/main/java/com/dartnative/dart_native_example/RuntimeStub.java

@@ -13,7 +13,6 @@ public class RuntimeStub {
   private final String TAG = "dart_java";
 
   public int getInt(int i){
-    Log.d(TAG, "getInt : " + i);
     return 100;
   }
 
@@ -53,7 +52,6 @@ public boolean getBool(boolean b) {
   }
 
   public String getString(String s) {
-    Log.d(TAG, "getString : " + s);
     return "test success";
   }
 

dart_native/example/lib/android/android_new_main.dart

@@ -3,13 +3,16 @@ import 'package:dart_native_example/android/unit_test.dart';
 import 'package:flutter/material.dart';
 import 'dart:async';
 
+import 'package:flutter/services.dart';
+
 class AndroidNewApp extends StatefulWidget {
   @override
   _AndroidNewApp createState() => _AndroidNewApp();
 }
 
 class _AndroidNewApp extends State<AndroidNewApp> {
   RuntimeStub stub = RuntimeStub();
+  static const platform = const MethodChannel('dart_native.example');
 
   @override
   void initState() {
@@ -19,7 +22,32 @@ class _AndroidNewApp extends State<AndroidNewApp> {
 
   // Platform messages are asynchronous, so we initialize in an async method.
   Future<void> initPlatformState() async {
-//    testAndroid(stub);
+    // Benchmark
+    String testString =
+        'This is a long string: sdlfdksjflksndhiofuu2893873(*（%￥#@）*&……￥撒肥料开发时傅雷家书那份会计师东方丽景三等奖';
+    int time = DateTime.now().millisecondsSinceEpoch;
+    for (var i = 0; i < 10000; i++) {
+      String _ = await platform.invokeMethod('channelString', testString);
+    }
+    print(
+        "Flutter Channel String Cost: ${DateTime.now().millisecondsSinceEpoch - time}");
+    time = DateTime.now().millisecondsSinceEpoch;
+    for (var i = 0; i < 10000; i++) {
+      String _ = stub.getString(testString);
+    }
+    print("DartNative String Cost: ${DateTime.now().millisecondsSinceEpoch - time}");
+
+    time = DateTime.now().millisecondsSinceEpoch;
+    for (var i = 0; i < 10000; i++) {
+      int _ = await platform.invokeMethod('channelInt', testString);
+    }
+    print(
+        "Flutter Channel int Cost: ${DateTime.now().millisecondsSinceEpoch - time}");
+    time = DateTime.now().millisecondsSinceEpoch;
+    for (var i = 0; i < 10000; i++) {
+      int _ = stub.getInt(100);
+    }
+    print("DartNative int Cost: ${DateTime.now().millisecondsSinceEpoch - time}");
   }
 
   @override