5일차 Intent2

xml등등

참조 : http://gusfree.tistory.com/entry/5%EC%9D%BC%EC%B0%A8-Intent 

IntentActivity.java

package com.gusfree.intent;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Toast;

public class IntentActivity extends Activity implements 
OnClickListener{

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		findViewById(R.id.button1).setOnClickListener(this);

		Log.i("onCreate", "onCreate 시작");
	}

	@Override
	public void onClick(View v) {

		// 에러찾을때 
		Log.w("onClick","버튼 눌렀다");
		//버튼 누르면 Sub로 Activity간 이동하기
		Intent intent=new Intent();

		intent.setClass(this, SubActivity.class);

		//intent에 데이터 binding하기		
		intent.putExtra("name", "park!");

		//startActivity(intent); //이동

		//Activity이동하고 되돌아오면 onActivityResult호출
		startActivityForResult(intent, 1000); //requestCode

	}

	@Override //3번째 파라미터가 인텐트!
	//1param =1000, 2param = 777, 3param=theIntent
	protected void onActivityResult(int requestCode, 
			int resultCode, Intent data) {

		if(requestCode==1000){//requestCode사용 예

			if(resultCode==777){//resultcode사용예
				String id=data.getStringExtra("id");
				int month=data.getIntExtra("month", 12);

				Toast.makeText(this, id+month, 0).show();
			}else{
			}
			//super.onActivityResult(requestCode, resultCode, data);
		}
	}
}	

SubActivity.java

package com.gusfree.intent;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class SubActivity extends Activity implements OnClickListener{
	Intent theIntent;//객체 선언
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.sub);
		
		Button btn = (Button)findViewById(R.id.button1);
		btn.setOnClickListener(this);
		
		//intent에 binding된 데이터 읽기
		theIntent = getIntent();//(객체 초기화)나를 호출한 인텐트 찾기
		String name=theIntent.getStringExtra("name");//키
		btn.setText(name+btn.getText());
	}

	@Override
	public void onClick(View arg0) {
		
		theIntent.putExtra("id", "com.gusfree.intent");
		theIntent.putExtra("month", 5);
		
		//forResult로 왔을때 사용해야 되는 메서드
		setResult(777, theIntent);//resultCode
		
		finish();//액티비티 종료
	}
}

다시 눌렀을때~~