1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:tools="http://schemas.android.com/tools" 4 android:id="@+id/activity_main" 5 android:layout_width="match_parent" 6 android:layout_height="match_parent" 7 android:orientation="vertical" 8 tools:context="com.example.zhoushasha.myapplication.MainActivity"> 9 10 <EditText 11 android:id="@+id/et1" 12 android:layout_width="wrap_content" 13 android:layout_height="wrap_content" 14 android:hint="请输入姓名" 15 android:layout_gravity="center" 16 android:textSize="25dp" 17 /> 18 <View 19 android:layout_width="match_parent" 20 android:layout_height="1dp"/> 21 <LinearLayout 22 android:layout_width="match_parent" 23 android:layout_height="wrap_content"> 24 <Button 25 android:id="@+id/bt1" 26 android:layout_weight="1" 27 android:onClick="onClick" 28 android:layout_width="wrap_content" 29 android:layout_height="wrap_content" 30 android:text="进入评估" 31 android:textSize="25dp"/> 32 <Button 33 android:id="@+id/bt2" 34 android:layout_weight="1" 35 android:onClick="onClick" 36 android:layout_width="wrap_content" 37 android:layout_height="wrap_content" 38 android:text="退出" 39 android:textSize="25dp"/> 40 </LinearLayout> 41 <TextView 42 android:id="@+id/tv1" 43 android:layout_gravity="center_horizontal" 44 android:layout_width="wrap_content" 45 android:layout_height="wrap_content" 46 android:text="评论结果" 47 android:textSize="25dp"/> 48 </LinearLayout>
1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:tools="http://schemas.android.com/tools" 4 android:id="@+id/activity_main2" 5 android:layout_width="match_parent" 6 android:layout_height="match_parent" 7 android:orientation="vertical" 8 tools:context="com.example.zhoushasha.myapplication.Main2Activity"> 9 <TextView 10 android:id="@+id/tv1" 11 android:layout_width="match_parent" 12 android:layout_height="wrap_content" 13 android:text="有没有信心？" 14 android:textSize="54dp" /> 15 <LinearLayout 16 android:layout_width="match_parent" 17 android:layout_height="wrap_content" 18 android:orientation="vertical" /> 19 20 <Button 21 android:id="@+id/bt1" 22 android:layout_width="match_parent" 23 android:layout_height="wrap_content" 24 android:text="有" 25 android:textSize="25dp"/> 26 27 <Button 28 android:id="@+id/bt2" 29 android:layout_width="match_parent" 30 android:layout_height="wrap_content" 31 android:onClick="onClick" 32 android:text="没有" 33 android:textSize="25dp"/> 34 </LinearLayout>
第一个activity的跳转功能实现代码
1 package com.example.zhoushasha.myapplication;
2
3 import android.content.Context;
4 import android.content.Intent;
5 import android.support.v7.app.AppCompatActivity;
6 import android.os.Bundle;
7 import android.text.TextUtils;
8 import android.view.View;
9 import android.widget.Button;
10 import android.widget.EditText;
11 import android.widget.TextView;
12 import android.widget.Toast;
13
14 import static android.R.attr.data;
15 import static android.R.attr.name;
16 import static android.R.attr.revisionCode;
17
18 public class MainActivity extends AppCompatActivity {
19 private Button bt1;
20 private Button bt2;
21 private Context mContent;
22 private EditText et1;
23 private TextView tv1;
24 public static final int REQUEST_CODE = 1000;
25 public static final int RESULT_CODE = 1001;
26
27 @Override
28 protected void onCreate(Bundle savedInstanceState) {
29 super.onCreate(savedInstanceState);
30 setContentView(R.layout.activity_main);
31 et1 = (EditText) findViewById(R.id.et1);
32 bt1 = (Button) findViewById(R.id.bt1);
33 bt2 = (Button) findViewById(R.id.bt2);
34 tv1 = (TextView) findViewById(R.id.tv1);
35
36 }
37 public void onClick(View view) {
38 switch (view.getId()) {
39 case R.id.bt1:
40 setBt1();
41 break;
42 }
43 }
44
45 private void setBt1() {
46 Intent intent = new Intent(MainActivity.this, Main2Activity.class);
47
48 if (TextUtils.isEmpty(et1.getText().toString())) {
49 Toast.makeText(MainActivity.this, "输入名称不能为空", Toast.LENGTH_SHORT).show();
50 return;
51 }
52 Intent mIntent = new Intent(MainActivity.this, Main2Activity.class);
53 mIntent.putExtra("intent", et1.getText().toString().trim());
54 startActivityForResult(mIntent, 1000);
55 }
56
57 @Override
58 protected void onActivityResult(int requestCode, int resultCold, Intent result) {
59 MainActivity.super.onActivityResult(requestCode, resultCold, result);
60 if (requestCode == REQUEST_CODE && resultCold == RESULT_CODE) {
61 String result_value = result.getStringExtra("result");
62 tv1.setText("评论内容返回为：" + result_value);
63 }
64 }
65
第二个activity的实现传回数据的代码
1 package com.example.zhoushasha.myapplication;
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.TextView;
9
10 public class Main2Activity extends AppCompatActivity {
11 private TextView tv1;
12 private Button bt1;
13 private Button bt2;
14
15 @Override
16 protected void onCreate(Bundle savedInstanceState) {
17 super.onCreate(savedInstanceState);
18 setContentView(R.layout.activity_main2);
19 tv1= (TextView) findViewById(R.id.tv1);
20 String userName = tv1.getText().toString();
21 bt1 = (Button) findViewById(R.id.bt1);
22 bt1.setOnClickListener(new View.OnClickListener() {
23 @Override
24 public void onClick(View view) {
25 String result = "有";
26 Intent intent = new Intent();
27 intent.putExtra("result",result);
28 setResult(MainActivity.RESULT_CODE,intent);
29 finish();
30 }
31
32 });
33 bt2= (Button) findViewById(R.id.bt2);
34 bt2.setOnClickListener(new View.OnClickListener() {
35 @Override
36 public void onClick(View view) {
37 String result = "没有";
38 Intent intent = new Intent();
39 intent.putExtra("result", result);
40 setResult(MainActivity.RESULT_CODE,intent);
41 finish();
42 }
43 });
44 }
45 }
时间： 2024-10-27 13:59:09