Android - 微信SDK的Demo调试

          // get token
          findViewById(R.id.get_token).setOnClickListener(new View.OnClickListener() {

               @Override
               public void onClick(View v) {
                    // send oauth request
                    final SendAuth.Req req = new SendAuth.Req();
                    req.scope = "snsapi_userinfo";
                    req.state = "wechat_sdk_demo";
                    api.sendReq(req);
                    finish();
               }
          });