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android cocoscreator 相互调用(三）

前言
前2章 讲述了 android 调用 c++ so库,这章主要讲在android cocoscreator 中java 与js 相互调用;
1 准备
win7 64
androidstudio4.1.1 cocoscreator2.4.4
2 创建工程并修改
1> cocoscreator 创建个 helloworld 工程
在这里插入图片描述
2 > UI 界面如下
在这里插入图片描述
3> 增加个JavaCallJs.js
在这里插入图片描述
代码如下


const JavaCallJs = {
    getVau: function (datastr) {
        if (cc.game) {
            cc.game.labelstr = datastr;
        }
    }
}
module.exports = JavaCallJs;

4 > 修改HelloWord.js 如下

const JavaCallJs = require("JavaCallJs");
cc.Class({
    extends: cc.Component,

    properties: {
        label: {
            default: null,
            type: cc.Label
        },
        // defaults, set visually when attaching this script to the Canvas
        text: 'Hello, World!',

        inputfun:{
            default:null,
            type:cc.EditBox
        },

        inputparam:{
            default:null,
            type:cc.EditBox
        },

        inputrealparamcount:{
            default:null,
            type:cc.EditBox
        },

        inputrealparams:{
            default:null,
            type:cc.EditBox
        },

        button:{
            default:null,
            type:cc.Button
        },

        output:cc.Label

    },

    // use this for initialization
    onLoad: function () {
        this.label.string = this.text;
        
        
    },

    start:function(){
        if (cc.sys.isNative && jsb != null && jsb != "undefined") {
            this.output.string ="jsb function is vaild";
        }else{
            this.outputlog("jsb function is invaild");
        }

        if (!cc.game) {
            cc.game = {};
            cc.game.JavaCallJs = JavaCallJs;
            this.outputlog("cc.game.JavaCallJs set[1]");
        }else if (!cc.game.JavaCallJs){
            cc.game.JavaCallJs = JavaCallJs;
            this.outputlog("cc.game.JavaCallJs set[2]");
        }
    },

    // called every frame
    update: function (dt) {

    },

    //日志输出
    outputlog:function(){//可变参数  arguments
        if(cc.sys.isNative  &&  cc.sys.platform == cc.sys.OS_ANDROID){
            const  cAppActivity = "org/cocos2dx/javascript/AppActivity";
            let strlog="";
            for (var i=0; i<arguments.length; i++) {
                strlog = strlog + arguments[i];
            }
            jsb.reflection.callStaticMethod(cAppActivity,"systemoutput","(Ljava/lang/String;)V",strlog);
        }else{
            let strlog="";
            for (var i=0; i<arguments.length; i++) {
                strlog = strlog + arguments[i];
            }
            console.log(strlog);
        }
    },

    showlable:function(str){
        this.label.string = str ;
    },

    //
    click:function(e){
        this.showlable(e.target.name);
        var self = this ;
        switch(e.target.name){
             case "button":
                 {
                    this.showlable("cc.sys.isNative="+cc.sys.isNative);
                    this.outputlog("cc.sys.isNative=",cc.sys.isNative,"cc.sys.platform=",cc.sys.platform,"cc.sys.ANDROID=",cc.sys.ANDROID);
                    if (cc.sys.isNative){
                        this.showlable("cc.sys.platform === cc.sys.ANDROID"+(cc.sys.platform === cc.sys.ANDROID));
                     //   this.outputlog("cc.sys.isNative=",cc.sys.isNative,"cc.sys.platform=",cc.sys.platform,"cc.sys.ANDROID=",cc.sys.ANDROID);
                        if(cc.sys.platform === cc.sys.ANDROID){
                            let funstr = self.inputfun.string ;
                            let funparamstr = self.inputparam.string ;
                            let realcountstr = self.inputrealparamcount.string ;
                            let realparamstr = self.inputrealparams.string ;
                            funstr = funstr.trim();  //
                            funparamstr = funparamstr.trim();  //
                            realcountstr = realcountstr.trim();  //
                            realcountstr = realcountstr.toUpperCase() ;  //大写
                            realparamstr = realparamstr.trim();  //
                            realparamstr = realparamstr.toUpperCase() ;  //大写
                            this.outputlog("inputfun.string=",funstr, "inputparam.string=",funparamstr,"inputrealparamcount.string=",realcountstr, "inputrealparams.string=",realparamstr);
                            // var ojb = jsb.reflection.callStaticMethod(className, methodNmae, arg1, arg2, .....);
                            let params = funparamstr ;
                            let pos1 = params.indexOf("(");
                            let pos2 = params.indexOf(")");
                            this.outputlog("pos1=",pos1,"pos2",pos2,"params.length=",params.length);
                            if(params.length > pos2 && pos1 < pos2){
                                let rtnpm = params.substring(pos2);
                                rtnpm = rtnpm.trim();  //
                                //trim() 方法用于删除字符串的头尾空白符，空白符包括：空格、制表符 tab、换行符等其他空白符等。
                                //trim() 方法不会改变原始字符串。
                                //trim() 方法不适用于 null, undefined, Number 类型
                              //  jsb.reflection.callStaticMethod("org/cocos2dx/lib/Cocos2dxActivity", "getDeviceID", "()Ljava/lang/String;");
                                //Number()
                                //this.showlable("111");
                                var realinput = [];
                                if(self.inputrealparamcount.string.length > 0  && self.inputrealparams.string.length > 0){
                                    let ss1 = realcountstr.split("|"); //字符串数组
                                    let ss2 = realparamstr.split("|"); //字符串数组
                                    this.outputlog("ss1.length=",ss1.length,"ss2.length=",ss2.length);
                                    if(ss1.length == ss2.length){
                                        for (let i=0;i<ss1.length;i++){
                                            switch(ss1[i]){
                                                case "N": //Number
                                                realinput.push(Number(ss2[i]));
                                                    break;
                                                case "S": //string
                                                realinput.push(ss2[i]);
                                                    break;    
                                            }
                                        }
                                    }
                                    
                                }
                                this.showlable("realinput.length="+realinput.length);
                                this.outputlog("realinput.length=",realinput.length,"realinput=",realinput.join("|"));
                                if(realinput.length > 0){
                                    this.outputlog("realinput fun0",""+realinput[0]);
                                }
                                
                                let outputstr =  "";
                                const  cAppActivity = "org/cocos2dx/javascript/AppActivity";
                                if(rtnpm.indexOf("V") >= 0){
                                    //无返回参数
                                    this.outputlog("rtnpm",rtnpm,"无参数返回");
                                    switch(realinput.length){
                                        case 0:  jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr); break;
                                        case 1:  jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr,realinput[0]); break;
                                        case 2:  jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr,realinput[0],realinput[1]); break;
                                        case 3:  jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr,realinput[0],realinput[1],realinput[2]); break;
                                        case 4:  jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr,realinput[0],realinput[1],realinput[2],realinput[3]); break;
                                        case 5:  jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr,realinput[0],realinput[1],realinput[2],realinput[3],realinput[4]); break;     
                                        default:
                                            return       ;
                                    }
                                  //  jsb.reflection.callStaticMethod("org/cocos2dx/javascript/AppActivity",inputfun.string,inputparam.string);
                                    outputstr = "no return params";
                                }else{
                                    //有返回参数
                                    this.outputlog("rtnpm",rtnpm,"有参数返回");
                                    let rtnv ;
                                    switch(realinput.length){
                                        case 0:  rtnv=jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr); break;
                                        case 1:  rtnv=jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr,realinput[0]); break;
                                        case 2:  rtnv=jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr,realinput[0],realinput[1]); break;
                                        case 3:  rtnv=jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr,realinput[0],realinput[1],realinput[2]); break;
                                        case 4:  rtnv=jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr,realinput[0],realinput[1],realinput[2],realinput[3]); break;
                                        case 5:  rtnv=jsb.reflection.callStaticMethod(cAppActivity,funstr,funparamstr,realinput[0],realinput[1],realinput[2],realinput[3],realinput[4]); break;     
                                        default:
                                            return  ;
                                    }

                                    this.outputlog("rtnpm",rtnpm,"有参数返回");
                                  // let rtnv =  jsb.reflection.callStaticMethod("org/cocos2dx/javascript/AppActivity",inputfun.string,inputparam.string);
                                   if(isNaN(rtnv)){  //不是数字
                                        if(typeof(rtnv) == 'string'){ //字符串{
                                            outputstr =  rtnv ;
                                        }else if(typeof(rtnv) == 'object'){
                                            outputstr = JSON.stringify(rtnv) ;   //将对象转为字符串
                                            //JSON.parse(str);  符串转为对象 
                                        }else {
                                            outputstr = "return params is error";
                                        }
                                   } else {//是数字
                                    outputstr = ""+rtnv ;
                                   }
                                }
                                //加上时间 
                                let time = new Date();
                                self.output.string = time.toLocaleString() + " " + outputstr ;

                            }
                            

                        }
                       
                    }
                    
                 }
                 break;
                case "bjvcalljs":
                    self.showlable(cc.game.labelstr);
                    break; 
        }
    }
    ///
   
});
/*
目前 Cocos Creator 中支持的 Java 类型签名有下面 4 种：

Java类型	签名
int	I
float	F
boolean	Z
String	Ljava/lang/String;
*/

3 编译
1> 构建工程
在这里插入图片描述

2> 用AndroidStudio 打开 jsb-default\frameworks\runtime-src\proj.android-studio
修改AppActivity.java
在这里插入图片描述
代码如下:

/****************************************************************************
Copyright (c) 2015-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
 
http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
package org.cocos2dx.javascript;

import org.cocos2dx.lib.Cocos2dxActivity;
import org.cocos2dx.lib.Cocos2dxGLSurfaceView;
import org.cocos2dx.lib.Cocos2dxJavascriptJavaBridge;

import android.os.Bundle;

import android.content.Intent;
import android.content.res.Configuration;
import android.util.Log;

public class AppActivity extends Cocos2dxActivity {

    private static  AppActivity  _app = null ;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Workaround in
        // https://stackoverflow.com/questions/16283079/re-launch-of-activity-on-home-button-but-only-the-first-time/16447508
        if (!isTaskRoot()) {
            // Android launched another instance of the root activity into an existing task
            // so just quietly finish and go away, dropping the user back into the activity
            // at the top of the stack (ie: the last state of this task)
            // Don't need to finish it again since it's finished in super.onCreate .
            return;
        }
        // DO OTHER INITIALIZATION BELOW
        SDKWrapper.getInstance().init(this);
        _app = this;
    }

    @Override
    public Cocos2dxGLSurfaceView onCreateView() {
        Cocos2dxGLSurfaceView glSurfaceView = new Cocos2dxGLSurfaceView(this);
        // TestCpp should create stencil buffer
        glSurfaceView.setEGLConfigChooser(5, 6, 5, 0, 16, 8);
        SDKWrapper.getInstance().setGLSurfaceView(glSurfaceView, this);

        return glSurfaceView;
    }

    @Override
    protected void onResume() {
        super.onResume();
        SDKWrapper.getInstance().onResume();

    }

    @Override
    protected void onPause() {
        super.onPause();
        SDKWrapper.getInstance().onPause();

    }

    @Override
    protected void onDestroy() {
        super.onDestroy();

        // Workaround in https://stackoverflow.com/questions/16283079/re-launch-of-activity-on-home-button-but-only-the-first-time/16447508
        if (!isTaskRoot()) {
            return;
        }

        SDKWrapper.getInstance().onDestroy();

    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        SDKWrapper.getInstance().onActivityResult(requestCode, resultCode, data);
    }

    @Override
    protected void onNewIntent(Intent intent) {
        super.onNewIntent(intent);
        SDKWrapper.getInstance().onNewIntent(intent);
    }

    @Override
    protected void onRestart() {
        super.onRestart();
        SDKWrapper.getInstance().onRestart();
    }

    @Override
    protected void onStop() {
        super.onStop();
        SDKWrapper.getInstance().onStop();
    }

    @Override
    public void onBackPressed() {
        SDKWrapper.getInstance().onBackPressed();
        super.onBackPressed();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        SDKWrapper.getInstance().onConfigurationChanged(newConfig);
        super.onConfigurationChanged(newConfig);
    }

    @Override
    protected void onRestoreInstanceState(Bundle savedInstanceState) {
        SDKWrapper.getInstance().onRestoreInstanceState(savedInstanceState);
        super.onRestoreInstanceState(savedInstanceState);
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        SDKWrapper.getInstance().onSaveInstanceState(outState);
        super.onSaveInstanceState(outState);
    }

    @Override
    protected void onStart() {
        SDKWrapper.getInstance().onStart();
        super.onStart();
    }

    
    public  static  int testfun1(int a,int b){
        return  a+b;
    }
    public static  void systemoutput(String strlog){

        System.out.println(strlog);
        Log.d("AppActivity", strlog);
    }

    public  static  void testfun2(int a){
        // AppActivity.this.test();
        _app.test(a);
    }

    public   void  test(final int a){
        //activity必须是继承自Cocos2dxActivity或者实现Cocos2dxHelperListener接口
        this.runOnGLThread(new Runnable() {
            @Override
            public void run(){
            //函数多参数如下输入
         //String params = String.format("cc.game.JavaCallJs.getVau(\"%s\",\"%s\",\"%s\");",param1,param2,param3);
        //String params = "cc.game.JavaCallJs.getVau(\""+param1+"\",\""+param2+"\");" ;
                String params = String.format("cc.game.JavaCallJs.getVau(\"%s\")",String.valueOf(a*2));
                Cocos2dxJavascriptJavaBridge.evalString(params);
            }
        });
    }
}

4 测试
1：js call java
在这里插入图片描述
点击OK，结果正确，调用成功在这里插入图片描述
1 > java call js
在这里插入图片描述
2 > 点击OK， js call java call js (js调用java函数,java函数里由调用js函数)
3> 点击bjvcalljs 查看结果

String params = String.format("cc.game.JavaCallJs.getVau(\"%s\")",String.valueOf(a*2));
                Cocos2dxJavascriptJavaBridge.evalString(params);

在这里插入图片描述

5 js 与 java 调用完成
工程代码如有需要后续再上传

悦读

道可道，非常道；名可名，非常名。 无名，天地之始，有名，万物之母。 故常无欲，以观其妙，常有欲，以观其徼。 此两者，同出而异名，同谓之玄，玄之又玄，众妙之门。

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