Android几种屏幕间跳转的跳转IntentBundle

                switch (radioGroup.getCheckedRadioButtonId()){

                case R.id.stone:

                    player = 0;

                    break;

                case R.id.scissors:

                    player = 1;

                    break;

                case R.id.textile:

                    player = 2;

                    break;

                default:

                    Toast.makeText(MainActivity.this, "请选择", Toast.LENGTH_LONG).show();

                    break;

                }

                skip();

            }

    //页面跳转

    private void skip(){

        Intent intent = new Intent();

        intent.setClass(MainActivity.this, ResultMainActivity.class);

        Bundle bundle = new Bundle();

        bundle.putInt("player", player);

        bundle.putInt("computer", new Random().nextInt(3));

        intent.putExtra("result", bundle);

        startActivity(intent);

    }

   int playerInt = bundle.getInt("player");

   int computerInt = bundle.getInt("computer");

import java.util.Random;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RadioGroup;
import android.widget.Toast;
import android.support.v4.app.NavUtils;

public class firstActivity extends Activity {

 private Button chuquan;
 private RadioGroup quans;
 private int player;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_first);
        setTitle("猜拳游戏");

        chuquan = (Button)findViewById(R.id.chuquan);
        chuquan.setOnClickListener(mChuQuanListener);
        quans = (RadioGroup)findViewById(R.id.quans);
    }

    private OnClickListener mChuQuanListener = new OnClickListener()
    {

  @Override
  public void onClick(View arg0) {
   // TODO Auto-generated method stub
   switch(quans.getCheckedRadioButtonId())
   {
       case R.id.shitou:
        player = 0;
        break;
       case R.id.jiandao:
        player = 1;
        break;
       case R.id.bu:
        player = 2;
        break;
       default:
                    Toast.makeText(firstActivity.this, "请选择", Toast.LENGTH_LONG).show();
                    break;
   }
   //将的到的值传给secondActivity
   skip();
  }

    };

    private void skip()
    {
     Intent intent = new Intent();
     intent.setClass(firstActivity.this, secondActivity.class);
     Bundle bundle = new Bundle();
     bundle.putInt("player", player);
     bundle.putInt("computer", new Random().nextInt(3));
     intent.putExtra("result", bundle);
     startActivity(intent);
    }

}

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
import android.widget.Toast;
import android.support.v4.app.NavUtils;

public class secondActivity extends Activity {
    private TextView tv;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_second);
        setTitle("结果");
        tv = (TextView)findViewById(R.id.show);

        Bundle bundle = this.getIntent().getBundleExtra("result");
        int playerInt = bundle.getInt("player");
        int computerInt = bundle.getInt("computer");

        tv.setText("猜拳结果\n");
        tv.append("您的选择：");
        intChangeString(playerInt);
        tv.append("电脑的选择：");
        intChangeString(computerInt);
        tv.append("结果："); 
        if(playerInt == 0)
        {
         if(computerInt == 0)
         {
          tv.append("平局");
         }
         else if(computerInt == 1)
         {
          tv.append("您是赢家");
         }
         else
         {
          tv.append("电脑是赢家");
         }
        }
        else if(playerInt == 1)
        {
         if(computerInt == 0)
         {
          tv.append("电脑是赢家");
         }
         else if(computerInt == 1)
         {
          tv.append("平局");
         }
         else
         {
          tv.append("您是赢家");
         }
        }
        else    
        {
         if(computerInt == 0) 
         {
          tv.append("您是赢家");
         }
         else if(computerInt == 1)
         {
          tv.append("电脑是赢家");
         }
         else
         {
          tv.append("平局");
         }
        }
    }

    private void intChangeString(int n)
    {
     switch (n)
     {
         case 0:
          tv.append("石头\n");
          break;
         case 1:
          tv.append("剪刀\n");
          break;
         case 2:
          tv.append("布\n");
          break;
         default:
          Toast.makeText(secondActivity.this, "错误", Toast.LENGTH_LONG).show();
          break;
     }
    }
   

   
}

  //屏幕1调转到屏幕2

   Intent intent = new   Intent(Forward.this,ForwardTargetActivity.class);

   startActivityForResult(intent, GET_CODE);

   //在屏幕2设置返回值

   setResult(RESULT_OK,(new Intent()).setAction("Violet!"));

   finish();

   //在屏幕1得到从屏幕2返回的内容

   @Override

    protected void onActivityResult(int RequestCode,int ResultCode,Intent data)

    {

     if(RequestCode == GET_CODE)

     {

     if(ResultCode == RESULT_CANCELED)

     {

     edit.append("canceled!");

     }

     else

     {

     edit.append("(okay ");

     edit.append(Integer.toString(ResultCode));

     edit.append(")");

     }

     if(data!=null)

     {

     edit.append(data.getAction());

     }

     }

     edit.append("\n");

    }