Android——Activity和Intent及Activity的生命周期

package com.example.chenshuai.test;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;

/**
 * Created by chenshuai on 2016/3/16.
 */
public class Axtivity2 extends Activity {


    //回调方法
    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.layoutactivity);

        /*System.out.println("这是我运行的第一个Activity");

        //输出日志
        Log.e("test", "Log输出的信息");//eror 红色

        Log.w("test", "Log输出的信息");//warning 蓝色

        Log.d("test", "Log输出的信息");

        Log.i("test","Log输出的信息");

        Log.v("test","Log输出的信息");
*/
        Log.e("TAG", "创建" );

    }

    @Override
    protected void onStart() {

        super.onStart();
        Log.e("TAG", "启动");
    }

    @Override
    protected void onResume() {
        super.onResume();
        Log.e("TAG", "显示");
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        Log.e("TAG", "销毁");
    }

    @Override
    protected void onPause() {
        super.onPause();
        Log.e("TAG", "暂停" );
    }

    @Override
    protected void onStop() {
        super.onStop();
        Log.e("TAG", "停止");
    }

    @Override
    protected void onRestart() {
        super.onRestart();
        Log.e("TAG", "重新启动");
    }
}