C++调用Java - JAVA - 编程开发网

y(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.setCocos2d




xRenderer(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 用的方法
    public static Object rtnActivity() {
        System.out.println("----------rtnActivity");
        return hiWorld;
    }

    // c++中 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 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 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 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() {
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C++调用Java(四)