ActivityLifecycle.java

package com.example.layout;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class ActivityLifecycle extends Activity {
	Button m_btnAlert;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		setContentView(com.example.R.layout.activity_lifecycle_layout);
		Log.i("ActivityLifecycle", "onCreate");
		
		m_btnAlert=(Button)findViewById(com.example.R.id.activity_lifecycle_layout_btnAlert);
		m_btnAlert.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				new AlertDialog.Builder(ActivityLifecycle.this)
					.setTitle("��ʾ")
					.setMessage("��ȷ������Ҫ�� ")
					.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
						
						@Override
						public void onClick(DialogInterface dialog, int which) {
							// TODO Auto-generated method stub
							
						}
					})
					.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
						
						@Override
						public void onClick(DialogInterface dialog, int which) {
							// TODO Auto-generated method stub
							
						}
					})
					.show();
			}
		});
	}
	
	
	
	@Override
	protected void onDestroy() {
		// TODO Auto-generated method stub
		super.onDestroy();
		Log.i("ActivityLifecycle", "onDestroy");
	}

	@Override
	protected void onResume() {
		// TODO Auto-generated method stub
		super.onResume();
		Log.i("ActivityLifecycle", "onResume");
	}

	@Override
	protected void onStart() {
		// TODO Auto-generated method stub
		super.onStart();
		Log.i("ActivityLifecycle", "onStart");
	}

	@Override
	protected void onStop() {
		// TODO Auto-generated method stub
		super.onStop();
		Log.i("ActivityLifecycle", "onStop");
		
	}
	
	@Override
	protected void onPause() {
		// TODO Auto-generated method stub
		super.onPause();
		Log.i("ActivityLifecycle", "onPause");
	}
}