cocos2dx 调用java层代码

1.导入头文件

#if(CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
#include <jni.h>
#include "android/log.h"
#include "platform/android/jni/JniHelper.h"
#endif

2.详尽代码

JniMethodInfo minfo;//JniHelper   

    /* 测试用方法 */ 
    /*bool isHave = JniHelper::getStaticMethodInfo(minfo,"com/cocoa/HiWorld","loginGree", "()V"); //
     if (isHave) {
     //CCLog("有showText ");
     minfo.env -> CallStaticVoidMethod(minfo.classID,minfo.methodID);
     }else
     {
     //CCLog("没有方法showText");
     }*/

    /* 分享 */
    /*//将c++中的string转换成java中的string
     //char str[] = "test";
     bool isHave = JniHelper::getStaticMethodInfo(minfo,"com/cocoa/HiWorld","shareSina", "(Ljava/lang/String;Ljava/lang/String;)V"); //
     if (isHave) {
     //CCLog("有share ");
     jstring jstr = minfo.env->NewStringUTF("test1 share");
     jstring jst = minfo.env->NewStringUTF("/data/data/com.cocoa/cy.png"); 
     //jstring jst = minfo.env->NewStringUTF("");
     minfo.env -> CallStaticVoidMethod(minfo.classID,minfo.methodID,jstr,jst);
     }else
     {
     //CCLog("没有方法share");
     }*/
    /* 设置高分 */
    /*jint ind = 0;
     jlong lsre = 2202l;
     bool isHave = JniHelper::getStaticMethodInfo(minfo,"com/cocoa/HiWorld","setHighScore", "(IJ)V"); 
     if (isHave) {
     minfo.env -> CallStaticVoidMethod(minfo.classID,minfo.methodID,ind,lsre);            
     }*/
    /* 成就解锁 */
    /*jint aind = 0;
     bool isHave = JniHelper::getStaticMethodInfo(minfo,"com/cocoa/HiWorld","unLock", "(I)V"); 
     if (isHave) {
     minfo.env -> CallStaticVoidMethod(minfo.classID,minfo.methodID,aind);            
     }*/
    /* 测试用方法 */ 
    bool isHave = JniHelper::getStaticMethodInfo(minfo,"com/cocoa/HiWorld","rtnActivity","()Ljava/lang/Object;");
    jobject jobj;
    if (isHave) { 
        jobj = minfo.env->CallStaticObjectMethod(minfo.classID, minfo.methodID); 
    }       
    //CCLog(" jobj存在"); 
    /* 测试用方法,非静态无参数无返回值方法 */
    /*isHave = JniHelper::getMethodInfo(minfo,"com/cocoa/HiWorld","showText", "()V"); 
     if (isHave) {
     minfo.env -> CallVoidMethod(jobj,minfo.methodID);
     }*/
    /* 测试用方法,非静态有java类型的String参数无返回值方法 */
    /*isHave = JniHelper::getMethodInfo(minfo,"com/cocoa/HiWorld","showText", "(Ljava/lang/String;)V"); 
     if (isHave) {
     jstring jmsg = minfo.env->NewStringUTF("msg okey!");
     minfo.env -> CallVoidMethod(jobj,minfo.methodID,jmsg);
     }*/
    /* 测试用方法，返回java类型的String，有java类型的String和int参数方法 */
    /*isHave = JniHelper::getMethodInfo(minfo,"com/cocoa/HiWorld","showText", "(Ljava/lang/String;I)Ljava/lang/String;"); 
     if (isHave) {
     jstring jmsg = minfo.env->NewStringUTF("msg okey! return string");
     jint index = 0;
     minfo.env -> CallObjectMethod(jobj,minfo.methodID,jmsg,index);
     }*/
    /* 测试用方法，返回java类型的String[]，有java类型的String[]和int参数方法 */
    /*isHave = JniHelper::getMethodInfo(minfo,"com/cocoa/HiWorld","showText", "([Ljava/lang/String;I)[Ljava/lang/String;"); 
     if (isHave) {
     jobjectArray args = 0;
     jstring str;
     jsize len = 5;
     const char* sa[] = {"Hi,","World!","JNI ","is ","fun"};
     int i = 0;
     args = minfo.env->NewObjectArray(len,minfo.env->FindClass("java/lang/String"),0);
     for(i=0;iNewStringUTF(sa[i]);
     minfo.env->SetObjectArrayElement(args,i,str);
     }
     //minfo.env->GetStringArrayRegion(args,0,10,buf);
     //jintArray jmsg = {1,2,3};
     //minfo.env->NewStringUTF("msg okey! return string");
     jint index = 0;
     minfo.env -> CallObjectMethod(jobj,minfo.methodID,args,index);
     }*/
    /* 测试用方法，无返回类型，有java类型的int[]和int参数方法 */
    /*isHave = JniHelper::getMethodInfo(minfo,"com/cocoa/HiWorld","testArr", "([II)V"); 
     if (isHave) {
     jint buf[]={7,5,8,9,3};
     jintArray jintArr; //定义jint数组
     jintArr = minfo.env->NewIntArray(5);
     minfo.env->SetIntArrayRegion(jintArr,0,5,buf);
     jint index = 0;
     minfo.env -> CallVoidMethod(jobj,minfo.methodID,jintArr,index);
     }*/
    /* 测试用方法，无返回类型，有java类型的byte[]和int参数方法 */
    isHave = JniHelper::getMethodInfo(minfo,"com/cocoa/HiWorld","testArr", "([BI)V"); 
    if (isHave) {
        jbyte buf[]={7,5,8,9,3};
        jbyteArray jbyteArr; //定义jbyte数组
        jbyteArr = minfo.env->NewByteArray(5);
        minfo.env->SetByteArrayRegion(jbyteArr,0,5,buf);
        jint index = 0;
        minfo.env -> CallVoidMethod(jobj,minfo.methodID,jbyteArr,index);
    }

private static HiWorld hiWorld = null;
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    hiWorld = this;
    if (detectOpenGLES20()) {
        // get the packageName,it's used to set the resource path
        String packageName = getApplication().getPackageName();
        super.setPackageName(packageName);
        // set content
        setContentView(R.layout.game_demo);
        getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE,
                                  R.layout.window_title);

        mGLView = (Cocos2dxGLSurfaceView) findViewById(R.id.game_gl_surfaceview);
        mGLView.setTextField((Cocos2dxEditText) findViewById(R.id.textField));
        mGLView.setEGLContextClientVersion(2);
        mGLView.setCocos2dxRenderer(new Cocos2dxRenderer());
        task = new TimerTask() {
            @Override
            public void run() {
                // HiWorld.shoot(hiWorld);
                Log.e("-------------------", "-------------------");
                // 调用c++中的方法
                System.out.println("------------------------"
                                   + stringZjy1());
            }
        };
        timer = new Timer();
        timer.schedule(task, 5000);
    } else {
        Log.d("activity", "don't support gles2.0");
        finish();
    }

    static {
        System.loadLibrary("game");
    }

    // c++中調用的方法
    public static Object rtnActivity() {
        System.out.println("----------rtnActivity");
        return hiWorld;
    }

    // c++中調用的方法,传String类型
    public void showText(final String msg) { 
        // 添加到主线程
        hiWorld.runOnUiThread(new Runnable() {
            public void run() { 
                System.out.println("----------msg:"+msg);
            }
        });
    }
    //c++中調用的方法,传String类型和int类型
    public String showText(final String msg,final int index) { 
        // 添加到主线程
        hiWorld.runOnUiThread(new Runnable() {
            public void run() { 
                System.out.println("----------msg:"+msg+"; index="+index);
            }
        });
        return "okey String showText(final String msg,final int index)";
    }
    //c++中調用的方法,传String[]类型和int类型
    public String[] showText(final String[] msg,final int index) { 
        String[] strArr = {"1","2","3","4","5"};
        // 添加到主线程
        hiWorld.runOnUiThread(new Runnable() {
            public void run() { 
                for(String _str:msg){
                    System.out.println("----------String[] msg:"+_str+"; index="+index);
                }
            }
        });
        return strArr;
    }
    //c++中調用的方法,传int[]类型和int类型
    public void testArr(final int msg[],final int index) { 
        // 添加到主线程
        hiWorld.runOnUiThread(new Runnable() {
            public void run() { 
                System.out.println("----------int[] msg len："+msg.length);
                for(int _bl:msg){
                    System.out.println("----------int[] msg:"+_bl+"; index="+index);
                }
            }
        });
    }
    //c++中調用的方法,传int[]类型和int类型
    public void testArr(final byte msg[],final int index) { 
        // 添加到主线程
        hiWorld.runOnUiThread(new Runnable() {
            public void run() { 
                System.out.println("----------byte[] msg len："+msg.length);
                for(int _bl:msg){
                    System.out.println("----------byte[] msg:"+_bl+"; index="+index);
                }
            }
        });
    }

调用非静态方法

JniMethodInfo minfo;//定义Jni函数信息结构体
	    //getStaticMethodInfo 次函数返回一个bool值表示是否找到此函数
	    bool isHave = JniHelper::getStaticMethodInfo(minfo,
	                                                "com/cocos/animation/animation",  //类的路径
	                                                "rtnActivity",   //方法名
	                                                "()Ljava/lang/Object;");   //括号里的是参数，后面的是返回值。
	    jobject jobj;
	    if (isHave) {
	       jobj =minfo.env->CallStaticObjectMethod(minfo.classID, minfo.methodID);

	       CCLog("jobj :%x",jobj);
	    }
	    CCLog("正确获取到 jobj");

	    //
	    isHave = JniHelper::getMethodInfo(minfo,
	                                      "com/cocos/animation/animation",  //类的路径
	                                      "nostaticFun",   //方法名
	                                      "(Ljava/lang/String;)V");   //括号里的是参数，后面的是返回值。

	    if (isHave) {
	    	jstring jmsg=minfo.env->NewStringUTF("伊莎贝拉    SB鑫，Sb  Sb  还是SB");
	         minfo.env->CallVoidMethod(jobj, minfo.methodID,jmsg);
	    }
	     CCLog("jni-java函数执行完毕");

java层代码被调用函数

//---- 函数示例之非静态函数调用
  //（先获取个对象）
  public static Activity actInstance=new animation();//定义单例
  public static Object rtnActivity() {
      return actInstance;
  }
  //使用此对象进行调用非静态函数
  public void nostaticFun(String str) {
      Log.e("Himi", "no static Function is OK - By Himi:str="+str);

      StatusesAPI api=new StatusesAPI(animation.accessToken);

      /*api.update(str, "90.00","90.00",new RequestListener() {
		
		@Override
		public void onIOException(IOException arg0) {
			// TODO Auto-generated method stub
			
		}
		
		@Override
		public void onError(WeiboException arg0) {
			// TODO Auto-generated method stub
			
		}
		
		@Override
		public void onComplete(String arg0) {
			// TODO Auto-generated method stub
//			Toast.makeText(animation.this, "分享成功", Toast.LENGTH_SHORT).show();
		}
	});*/
      
      api.upload(str,"/sdcard/33.jpg", "90.00", "90.00", new RequestListener() {
		
		@Override
		public void onIOException(IOException arg0) {
			// TODO Auto-generated method stub
			
		}
		
		@Override
		public void onError(WeiboException arg0) {
			// TODO Auto-generated method stub
			
		}
		
		@Override
		public void onComplete(String arg0) {
			// TODO Auto-generated method stub
//			Toast.makeText(animation.this, "分享图片成功", Toast.LENGTH_SHORT).show();
		}
	});
  }

转载至：http://go3k.org/?p=49

http://www.himigame.com/android-game/725.html