小编Mar*_*aiß的帖子

如果我通过ZXing 2.0库执行QR码扫描,我在启动片段时遇到了一些问题.

我有这个例外:

java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=0, result=-1, data=Intent { act=com.google.zxing.client.android.SCAN flg=0x80000 (has extras) }} to activity {fraiss.yucrowd/fraiss.yucrowd.activities.ScanQrCode}: java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState*

当我执行此代码时:

@Override
    public void onCreate(Bundle bundle) {
        // TODO Auto-generated method stub
        super.onCreate(bundle);
        setContentView(R.layout.scan_qr_code);

        Intent intent = new Intent("com.google.zxing.client.android.SCAN");
        intent.putExtra("SCAN_MODE", "QR_CODE_MODE");
        startActivityForResult(intent, 0);
    }

public void onActivityResult(int requestCode, int resultCode, Intent intent) {
        if (requestCode == 0)
        {
            if (resultCode == RESULT_OK)
            {
                String contents = intent.getStringExtra("SCAN_RESULT");
                String format = intent.getStringExtra("SCAN_RESULT_FORMAT");
                // …

我目前正在尝试开发一个自定义jira插件,它也使用servlet来渲染Soy模板.

这是我的servlet的代码:

    /*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package at.fraiss.plugins.custommenuitem.servlets;

import javax.servlet.*;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import com.atlassian.soy.renderer.SoyTemplateRenderer;
import java.util.HashMap;
import java.util.Map;

/**
 *
 * @author Mario
 */
public class SoyTemplateServlet extends HttpServlet {

    private SoyTemplateRenderer soyTemplateRenderer;

    public SoyTemplateServlet(SoyTemplateRenderer soyTemplateRenderer)
    {
        this.soyTemplateRenderer = soyTemplateRenderer;
    }

    @Override
    public void doGet(HttpServletRequest request, …