android回传值

1. package com.ycp.intentforback;
2. 
3. import java.io.Serializable;
4. 
5. public class User implements Serializable {
6.     String name;
7.     String age;
8. 
9. public User() {
10. 
11.     }
12. public User(String name, String age) {
13. this.name = name;
14. this.age = age;
15.     }
16. 
17. public String getName() {
18. return name;
19.     }
20. 
21. public String getAge() {
22. return age;
23.     }
24. 
25. public void setName(String name) {
26. this.name = name;
27.     }
28. 
29. public void setAge(String age) {
30. this.age = age;
31.     }
32. }

1. protected void onCreate(Bundle savedInstanceState) {
2. super.onCreate(savedInstanceState);
3.         setContentView(R.layout.activity_main);
4.         et_name = (EditText) findViewById(R.id.et_name);
5.         et_age = (EditText) findViewById(R.id.et_age);
6.         login = (Button) findViewById(R.id.login);
7. 
8.         login.setOnClickListener(new View.OnClickListener() {
9. @Override
10. public void onClick(View v) {
11. Intent intent = new Intent(MainActivity.this,Main2Activity.class);
12. User user = new User();
13. String s = et_name.getText().toString();
14. String s1 = et_age.getText().toString();
15.                 user.setName(s);
16.                 user.setAge(s1);
17. 
18.                 intent.putExtra("goto",user);
19.                 startActivityForResult(intent,101);
20. 
21.             }
22.         });
23. 
24.     }
25. //接收回传值方法
26. @Override
27. protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
28. super.onActivityResult(requestCode, resultCode, data);
29. Userback userback = (Userback) data.getSerializableExtra("forback");
30.         et_name.setText(userback.getWork());
31.         et_age.setText(userback.getXingzuo());
32.     }
33. }

1. package com.ycp.intentforback;
2. 
3. import android.content.Intent;
4. import android.support.v7.app.AppCompatActivity;
5. import android.os.Bundle;
6. import android.view.View;
7. import android.widget.Button;
8. import android.widget.EditText;
9. import android.widget.TextView;
10. 
11. import java.io.Serializable;
12. 
13. public class Main2Activity extends AppCompatActivity {
14. 
15. private TextView tv_name;
16. private TextView tv_age;
17. private EditText et_work;
18. private EditText et_xingzuo;
19. private Button btn;
20. 
21. @Override
22. protected void onCreate(Bundle savedInstanceState) {
23. super.onCreate(savedInstanceState);
24.         setContentView(R.layout.activity_main2);
25.         tv_name = (TextView) findViewById(R.id.tv_name);
26.         tv_age = (TextView) findViewById(R.id.tv_age);
27. 
28.         et_work = (EditText) findViewById(R.id.et_work);
29.         et_xingzuo = (EditText) findViewById(R.id.et_xingzuo);
30.         btn = (Button) findViewById(R.id.btn);
31. 
32. Intent intent = getIntent();
33. User user =(User) intent.getSerializableExtra("goto");
34.         tv_name.setText(user.getName());
35.         tv_age.setText(user.getAge());
36. 
37.         btn.setOnClickListener(new View.OnClickListener() {
38. @Override
39. public void onClick(View v) {
40. Intent intent1 = new Intent();
41. String s = et_work.getText().toString();
42. String s1 = et_xingzuo.getText().toString();
43. Userback userback = new Userback(s,s1);
44.                 intent1.putExtra("forback",userback);
45.                 setResult(1,intent1);
46.                 finish();
47.             }
48.         });
49.     }
50. }