package com.lxj.lesson2_3ID19;
import com.example.lesson2_3_id19.R;
import com.lxj.other.AgeActivity;
import com.lxj.other.HeightActivity;
import com.lxj.other.SexActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
import android.app.Activity;
import android.content.Intent;
public class MainActivity extends Activity implements OnClickListener {
private static final int REQUEST_AGE = 1;
private static final int REQUEST_HEIGHT = 2;
private static final int REQUEST_SEX = 3;
User user = new User();
TextView tvAge,tvHeight,tvSex;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
registerListener();
}
private void registerListener() {
tvAge.setOnClickListener(this);
tvHeight.setOnClickListener(this);
tvSex.setOnClickListener(this);
}
private void initView() {
tvAge = (TextView) findViewById(R.id.tv_age);
tvHeight = (TextView) findViewById(R.id.tv_height);
tvSex = (TextView) findViewById(R.id.tv_sex);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.tv_age:
startActivityForResult(new Intent(this, AgeActivity.class), REQUEST_AGE);
break;
case R.id.tv_height:
startActivityForResult(new Intent(this, HeightActivity.class), REQUEST_HEIGHT);
break;
case R.id.tv_sex:
startActivityForResult(new Intent(this, SexActivity.class), REQUEST_SEX);
break;
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// 调试可见，程序中不用
Log.e("TAG", "-------------程序从" + requestCode + "返回");
if (resultCode == RESULT_OK) {
switch (requestCode) {
case REQUEST_AGE:
String age = data.getStringExtra("age");
tvAge.setText(age);
break;
case REQUEST_HEIGHT:
String height = data.getStringExtra("height");
tvHeight.setText(height);
break;
case REQUEST_SEX:
String sex = data.getStringExtra("sex");
tvSex.setText(sex);
break;
}
}else {
// 调试程序用log，代码中不需要
Log.e("TAG", "-------------程序没有任何返回");
}
}
}
package com.lxj.lesson2_3ID19;
public class User {
String age;
String height;
String sex;
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getHeight() {
return height;
}
public void setHeight(String height) {
this.height = height;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public User(String age, String height, String sex) {
super();
this.age = age;
this.height = height;
this.sex = sex;
}
public User() {
super();
// TODO Auto-generated constructor stub
}
@Override
public String toString() {
return "User [age=" + age + ", height=" + height + ", sex=" + sex + "]";
}
}
package com.lxj.other;
import com.example.lesson2_3_id19.R;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
public class AgeActivity extends Activity implements OnClickListener{
TextView aga1,age2,age3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_age);
initView();
registerListener();
}
private void registerListener() {
aga1.setOnClickListener(this);
age2.setOnClickListener(this);
age3.setOnClickListener(this);
}
private void initView() {
aga1 = (TextView) findViewById(R.id.tv_age_1);
age2 = (TextView) findViewById(R.id.tv_age_2);
age3 = (TextView) findViewById(R.id.tv_age_3);
}
@Override
public void onClick(View v) {
// 这个v代表当前所点击的视图
// instanceof：代表 左边的对象是否是右边类型的实例
if (v instanceof TextView) {
// 把v强转成TextView类型
TextView tv = (TextView) v;
//带参返回的步骤
Intent intent = getIntent();
// tv.getText()中的数据返回回去
// 将返回值放进去
intent.putExtra("age", tv.getText());
// setResult();
// 请求成功
// 设置返回码和返回值
setResult(RESULT_OK, intent);
// setResult要配合finish使用
finish();
}
}
}
package com.lxj.other;
import com.example.lesson2_3_id19.R;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
public class HeightActivity extends Activity implements OnClickListener{
TextView tv_height_1,tv_height_2,tv_height_3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 找不到布局
// 1. 布局和代码不在一个工程
// 2. android.R
setContentView(R.layout.activity_height);
tv_height_1 = (TextView) findViewById(R.id.height_1);
tv_height_2 = (TextView) findViewById(R.id.height_2);
tv_height_3 = (TextView) findViewById(R.id.height_3);
// 用this就需要实现OnClickListener
tv_height_1.setOnClickListener(this);
tv_height_2.setOnClickListener(this);
tv_height_3.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// 强转v成TextView
TextView tv = (TextView) v;
//带参返回的步骤
Intent intent = getIntent();
intent.putExtra("height", tv.getText());
setResult(RESULT_OK, intent);
finish();
}
}
package com.lxj.other;
import com.example.lesson2_3_id19.R;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
public class SexActivity extends Activity implements OnClickListener{
TextView tv_sex_1,tv_sex_2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sex);
tv_sex_1 = (TextView) findViewById(R.id.sex_1);
tv_sex_2 = (TextView) findViewById(R.id.sex_2);
// 实现OnClickListener
tv_sex_1.setOnClickListener(this);
tv_sex_2.setOnClickListener(this);
}
@Override
public void onClick(View v) {
TextView tv = (TextView) v;
Intent intent = getIntent();
intent.putExtra("sex", tv.getText());
// 设置返回码返回值
setResult(RESULT_OK, intent);
finish();
}
}
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="张三"
android:textSize="20dp"
android:layout_margin="5dp" />
<TextView
android:id="@+id/tv_age"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="年龄"
android:textSize="18dp"
android:layout_margin="10dp" />
<TextView
android:id="@+id/tv_height"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="身高"
android:textSize="18dp"
android:layout_margin="10dp" />
<TextView
android:id="@+id/tv_sex"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="性别"
android:textSize="18dp"
android:layout_margin="10dp" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/tv_age_1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:gravity="center"
android:text="18岁以下"
android:textSize="18dp" />
<TextView
android:id="@+id/tv_age_2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:gravity="center"
android:text="18—30岁"
android:textSize="18dp" />
<TextView
android:id="@+id/tv_age_3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:gravity="center"
android:text="30岁以上"
android:textSize="18dp" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/height_1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="170cm以下"
android:textSize="18dp"
android:layout_margin="10dp" />
<TextView
android:id="@+id/height_2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="170-180cm"
android:textSize="18dp"
android:layout_margin="10dp" />
<TextView
android:id="@+id/height_3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="180cm以上"
android:textSize="18dp"
android:layout_margin="10dp" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/sex_1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:gravity="center"
android:text="男"
android:textSize="18dp" />
<TextView
android:id="@+id/sex_2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:gravity="center"
android:text="女"
android:textSize="18dp" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.lesson2_3_id19"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="15"
android:targetSdkVersion="18" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.lxj.lesson2_3ID19.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.lxj.other.AgeActivity">
</activity>
<activity
android:name="com.lxj.other.HeightActivity">
</activity>
<activity
android:name="com.lxj.other.SexActivity">
</activity>
</application>
</manifest>
