android

c++中

javar 类型签名

类型签名 Java类型 Z boolean B byte C char S short I int J long F float D double L full-qualified-class; 完全限定的类,分号必须要有 [ type type[ ] (arg-types) ret-type (参数类型列表)返回值类型

int copyToClipboard(const std::string& paras) {
        JniMethodInfo minfo;
        if (JniHelper::getStaticMethodInfo(minfo, "org/cocos2dx/javascript/AppActivity",
            "copyToClipboard", "(Ljava/lang/String;)I"))
        {
            jstring jstr = minfo.env->NewStringUTF(paras.c_str());

            int code = minfo.env->CallStaticIntMethod(minfo.classID, minfo.methodID, jstr);
             return code;
        }
#endif
        return -1;
    }

java中

public class AppActivity extends Cocos2dxActivity {
    static AppActivity sgsActivity;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        sgsActivity = this;

    }
    //参数要加final关键字，否则内部类不能访问
    static public int copyToClipboard(final  String text)
    {
        final Context context = sgsActivity;//参数要加final关键字，否则内部类不能访问
        try
        {


            Log.d("cocos2dx","copyToClipboard " + text);
            Runnable runnable = new Runnable() {
                public void run() {
                    android.content.ClipboardManager clipboard = (android.content.ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
                    android.content.ClipData clip = android.content.ClipData.newPlainText("Copied Text", text);
                    clipboard.setPrimaryClip(clip);
                }
            };
            //getSystemService运行所在线程必须执行过Looper.prepare()
            //否则会出现Can't create handler inside thread that has not called Looper.prepare()
            sgsActivity.runOnUiThread(runnable);

        }catch(Exception e){
            Log.d("cocos2dx","copyToClipboard error");
            e.printStackTrace();
            return -1;
        }
        return 0;
    }