Androidの基礎知識_Activity標準起動モードの例

package com.example.launchmode;

import org.apache.http.conn.ManagedClientConnection;

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

public class MainActivity extends Activity {

	private TextView textView;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
	
		textView = (TextView)findViewById(R.id.textView);
		/*  TextView    :    ID,   Activity ID( Activity   ID) */
		textView.setText(String.format("TaskID: %d
Current Activity ID: %s", getTaskId(), toString()));
		
		findViewById(R.id.btnStartSelf).setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				startActivity(new Intent(MainActivity.this, MainActivity.class));
			}
		});
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}