Activity之Serializable

Student.java

package cn.itcast.wh08.multiactivity.domain;

import java.io.Serializable;

public class Student implements Serializable{
    
    public String name;
    public int age;
    
    public Student(String name, int age) {
        super();
        this.name = name;
        this.age = age;
    }

}

MainActivity.java

package cn.itcast.wh08.multiactivity;

import cn.itcast.wh08.multiactivity.domain.Student;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    public void jump(View v){
        Intent intent = new Intent(this,OtherActivity.class);//意图对象
        //对象
        Student student = new Student("武藤兰", 40);
        intent.putExtra("student", student);
        startActivity(intent);
    }

}

OtherActivity.java

package cn.itcast.wh08.multiactivity;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
import cn.itcast.wh08.multiactivity.domain.Student;

public class OtherActivity extends Activity {
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_other);
        
        TextView tv_info = (TextView) findViewById(R.id.tv_info);
        
        
        Intent intent = getIntent();//获取激活自己的意图对象
        //获取意图里面的数据
        Student student = (Student) intent.getSerializableExtra("student");
        String name = student.name;
        int age = student.age;
        tv_info.setText("name:"+name+",age:"+age);
    }

}