安卓登陆页面跳转传值小例子

package com.cstp.intent; import com.cstp.bean.User; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; public class IntentActivity extends Activity implements OnClickListener{ /** Called when the activity is first created. */ Button btn; EditText email,pwd,username; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //初始化界面中需要的组件对象 email= (EditText) findViewById(R.id.email); pwd= (EditText) findViewById(R.id.pwd); username= (EditText) findViewById(R.id.username); btn= (Button) findViewById(R.id.btn); btn.setOnClickListener(this); } public void onClick(View v) { // TODO Auto-generated method stub //获取页面组件中填写的信息 String emailinfo=email.getText().toString(); String pwdinfo=pwd.getText().toString(); String usernameinfo=username.getText().toString(); //将数据封装至一个User对象中 User user=new User(); user.setEmail(emailinfo); user.setPwd(pwdinfo); user.setUsername(usernameinfo); Intent intent=new Intent();//创建一个Intent对象，转载传递的数据，进行界面转换 //将需要传递的数据加载至Intent中 // intent.putExtra("email", emailinfo); // intent.putExtra("pwd", pwdinfo); // intent.putExtra("username", usernameinfo); intent.putExtra("user", user); intent.setClass(IntentActivity.this, IntentAct.class);//绑定界面的转换对象 // startActivity(intent);//执行界面转换 startActivityForResult(intent, 1);//处理双向数据传输 } //处理返回的Intent的数据 @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub super.onActivityResult(requestCode, resultCode, data); User user=(User) data.getSerializableExtra("user"); if(resultCode==1 && user.getEmail()!=null){ email.setText(user.getEmail()); } } }