Andorid生命周期01

l练习从一个Activity转向的另一个Activity

package com.Activity_Lifecycle;
import android.app.Activity;
import android.content.Intent;
import android.net.sip.SipAudioCall.Listener;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class Activity_LifecycleActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        System.out.println("FirstActivity--->onCreate()");
        setContentView(R.layout.main);
        Button myButton = (Button)findViewById(R.id.starSecondActivity);
        myButton.setOnClickListener(new MyButtonListener());
    }
    
    //内部类实现对按钮mybutton的监听
    class MyButtonListener implements OnClickListener
    {
		public void onClick(View v) {
			Intent intent = new Intent();
			intent.putExtra("test", "hello,bing");
			intent.setClass(Activity_LifecycleActivity.this,SecondActivityLifecycle.class );
			Activity_LifecycleActivity.this.startActivity(intent);
			
			
		}
    	
    }
    @Override
	protected void onDestroy() {
		// TODO Auto-generated method stub
		super.onDestroy();
		System.out.println("FirstActivity--->onDestroy()");
	}
	@Override
	protected void onPause() {
		// TODO Auto-generated method stub
		super.onPause();
		System.out.println("FirstActivity--->onPause()");
	}
	@Override
	protected void onRestart() {
		// TODO Auto-generated method stub
		super.onRestart();
		System.out.println("FirstActivity--->onRestart()");
	}
	@Override
	protected void onResume() {
		// TODO Auto-generated method stub
		super.onResume();
		System.out.println("FirstActivity--->onResume");
	}
	@Override
	protected void onStart() {
		// TODO Auto-generated method stub
		super.onStart();
		System.out.println("FirstActivity--->onStart");
	}
	@Override
	protected void onStop() {
		// TODO Auto-generated method stub
		super.onStop();
		System.out.println("FirstActivity--->onStop");
	}
}

package com.Activity_Lifecycle;
import android.app.Activity;
import android.os.Bundle;
public class SecondActivityLifecycle extends Activity{
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		
		super.onCreate(savedInstanceState);
		System.out.println("SecondActivity--->onCreate");
		setContentView(R.layout.second);
	}
	@Override
	protected void onDestroy() {
		// TODO Auto-generated method stub
		super.onDestroy();
		System.out.println("SecondActivityonDestroy()");
	}
	@Override
	protected void onPause() {
		// TODO Auto-generated method stub
		super.onPause();
		System.out.println("SecondActivityonPause()");
	}
	@Override
	protected void onRestart() {
		// TODO Auto-generated method stub
		super.onRestart();
		System.out.println("SecondActivityonRestart()");
	}
	@Override
	protected void onResume() {
		// TODO Auto-generated method stub
		super.onResume();
		System.out.println("SecondActivityonResume");
	}
	@Override
	protected void onStart() {
		// TODO Auto-generated method stub
		super.onStart();
		System.out.println("SecondActivityonStart");
	}
	@Override
	protected void onStop() {
		// TODO Auto-generated method stub
		super.onStop();
		System.out.println("SecondActivityonStop");
	}
	
}
package com.Activity_Lifecycle;
import android.app.Activity;
import android.content.Intent;
import android.net.sip.SipAudioCall.Listener;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class Activity_LifecycleActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        System.out.println("FirstActivity--->onCreate()");
        setContentView(R.layout.main);
        Button myButton = (Button)findViewById(R.id.starSecondActivity);
        myButton.setOnClickListener(new MyButtonListener());
    }
    
    //内部类实现对按钮mybutton的监听
    class MyButtonListener implements OnClickListener
    {
		public void onClick(View v) {
			Intent intent = new Intent();
			intent.putExtra("test", "hello,bing");
			intent.setClass(Activity_LifecycleActivity.this,SecondActivityLifecycle.class );
			Activity_LifecycleActivity.this.startActivity(intent);
			
			
		}
    	
    }
    @Override
	protected void onDestroy() {
		// TODO Auto-generated method stub
		super.onDestroy();
		System.out.println("FirstActivity--->onDestroy()");
	}
	@Override
	protected void onPause() {
		// TODO Auto-generated method stub
		super.onPause();
		System.out.println("FirstActivity--->onPause()");
	}
	@Override
	protected void onRestart() {
		// TODO Auto-generated method stub
		super.onRestart();
		System.out.println("FirstActivity--->onRestart()");
	}
	@Override
	protected void onResume() {
		// TODO Auto-generated method stub
		super.onResume();
		System.out.println("FirstActivity--->onResume");
	}
	@Override
	protected void onStart() {
		// TODO Auto-generated method stub
		super.onStart();
		System.out.println("FirstActivity--->onStart");
	}
	@Override
	protected void onStop() {
		// TODO Auto-generated method stub
		super.onStop();
		System.out.println("FirstActivity--->onStop");
	}
}

 

 

 

 

 

在从第一个Activity转向第二个Activity时 记录生命周期的各个调用时间

在第二个Activity点击返回按钮时，画面转回第一个Activity 生命周期示例如下

 

认识Task--什么是Task？

A task is a stack of activity 。Task就可以理解为一个任务栈。

 

 

 

 

 

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