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IntentCaller.java
package com.example.hellow;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class IntentCaller extends Activity{
public static final int CALLER_REQUEST = 100;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.caller);
Button send = (Button)findViewById(R.id.send);
send.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
EditText uname = (EditText)findViewById(R.id.userName);
EditText byear = (EditText)findViewById(R.id.birthYear);
//명시적 인텐트 생성
Intent intent = new Intent(IntentCaller.this, IntentCallee.class);
intent.putExtra("name", uname.getText());
intent.putExtra("birth", byear.getText());
startActivityForResult(intent, CALLER_REQUEST);
}
});
}//onCreate() end
//IntentCallee.class에서 데이터를 받고나서 받은 데이터를 이용하는 메서드
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(CALLER_REQUEST == requestCode){
if(resultCode==Activity.RESULT_OK){
String name = data.getExtras().getString("name").toString();
String age = data.getExtras().get("age").toString();
TextView result = (TextView)findViewById(R.id.txtAge);
result.setText(name + "의 나이는 " + age + "입니다.");
}
}
}
}
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caller.xml
<?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" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="이름 : " />
<EditText
android:id="@+id/userName"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<requestFocus />
</EditText>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="태어난 년도 : " />
<EditText
android:id="@+id/birthYear"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="1989"
android:inputType="number" />
</LinearLayout>
<Button
android:id="@+id/send"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:text="나이 계산하기" />
<TextView
android:id="@+id/txtAge"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="left"
android:textColor="#0000ff"
android:textSize="15sp"/>
</LinearLayout> | 
