1 <?xml version="1.0" encoding="utf-8"?>
2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
3 android:layout_width="match_parent"
4 android:layout_height="match_parent">
5
6 <TextView
7 android:id="@+id/textView1"
8 android:layout_width="wrap_content"
9 android:layout_height="wrap_content"
10 android:text=""/>
11
12 <Button
13 android:id="@+id/btn1"
14 android:layout_width="180dp"
15 android:layout_height="74dp"
16 android:layout_centerInParent="true"
17 android:onClick="regist"
18 android:text="获取信息"
19 android:textSize="25sp"/>
20
21 </RelativeLayout>
22 package com.example.datarerurn;
23
24 import android.app.Activity;
25 import android.content.Intent;
26 import android.os.Bundle;
27 import android.view.View;
28 import android.widget.TextView;
29
30 public class MainActivity extends Activity {
31
32 @Override
33 protected void onCreate(Bundle savedInstanceState) {
34 super.onCreate(savedInstanceState);
35 setContentView(R.layout.activity_main);
36 }
37 public void regist(View v) {
38 // TODO Auto-generated method stub
39 Intent intent=new Intent(this,RegistActivity.class);
40 startActivityForResult(intent, 1);//当有多个请求的时候，标识的
41
42 }
43
44 @Override
45 protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
46 // TODO Auto-generated method stub
47 if(requestCode==1&&resultCode==1){
48 String name=intent.getStringExtra("name");
49 int age=intent.getIntExtra("age", 0);
50 String text="你的姓名是"+name+"你的年龄是"+age;
51
52 ((TextView)(findViewById(R.id.textView1))).setText(text);
53 }
54 }
55
56
57
58 }
59 ---------------------------------------------------------
60 <?xml version="1.0" encoding="utf-8"?>
61 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
62 xmlns:app="http://schemas.android.com/apk/res-auto"
63 xmlns:tools="http://schemas.android.com/tools"
64 android:layout_width="match_parent"
65 android:layout_height="match_parent">
66
67 <EditText
68 android:id="@+id/editText1"
69 android:layout_width="wrap_content"
70 android:layout_height="wrap_content"
71 android:layout_alignBaseline="@+id/textView1"
72 android:layout_alignBottom="@+id/textView1"
73 android:layout_alignParentRight="true"
74 android:layout_marginRight="19dp"
75 android:layout_marginBottom="-4dp"
76 android:ems="10" />
77
78 <TextView
79 android:id="@+id/textView1"
80 android:layout_width="wrap_content"
81 android:layout_height="wrap_content"
82 android:layout_alignParentLeft="true"
83 android:layout_alignParentTop="true"
84 android:layout_marginLeft="60dp"
85 android:layout_marginTop="81dp"
86 android:text="输入姓名"
87 android:textSize="25sp" />
88
89 <EditText
90 android:id="@+id/editText2"
91 android:layout_width="wrap_content"
92 android:layout_height="wrap_content"
93 android:layout_alignLeft="@+id/editText1"
94 android:layout_below="@+id/editText1"
95 android:layout_marginTop="33dp"
96 android:ems="10" />
97
98 <TextView
99 android:id="@+id/textView2"
100 android:layout_width="wrap_content"
101 android:layout_height="wrap_content"
102 android:layout_alignBaseline="@+id/editText2"
103 android:layout_alignBottom="@+id/editText2"
104 android:layout_alignLeft="@+id/textView1"
105 android:text="输入年龄"
106 android:textSize="25sp"/>
107
108 <Button
109 android:id="@+id/button1"
110 android:layout_width="136dp"
111 android:layout_height="74dp"
112 android:layout_below="@+id/editText2"
113 android:layout_centerHorizontal="true"
114 android:layout_marginTop="91dp"
115 android:onClick="click"
116 android:text="返回"
117 android:textSize="25sp" />
118
119 </RelativeLayout>
120 package com.example.datarerurn;
121
122
123 import android.app.Activity;
124 import android.content.Intent;
125 import android.os.Bundle;
126 import android.view.View;
127 import android.widget.EditText;
128
129 public class RegistActivity extends Activity {
130 protected void onCreate(Bundle savedInstanceState) {
131 super.onCreate(savedInstanceState);
132 setContentView(R.layout.regist);
133 }
134
135 public void click(View v) {
136 Intent intent = new Intent();
137 String name = ((EditText) findViewById(R.id.editText1)).getText()
138 .toString();
139 int age = Integer.parseInt(((EditText) findViewById(R.id.editText2))
140 .getText().toString());
141 intent.putExtra("name", name);
142 intent.putExtra("age", age);
143 setResult(1, intent);
144 finish();
145
146 }
147
148 }
