Android基础之Android的Activity周期

直接上代码：

第一个类：TestActivity

package feb.hxy;
import feb.hxy.R.string;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class TestActivity extends Activity {
	private Button button;
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		System.out.println("TestActivity.onCreate");
		button = (Button) findViewById(R.id.anotherActivity);
		button.setText(string.anotherActivity);
		button.setOnClickListener(new Button.OnClickListener() {
			public void onClick(View v) {
				Intent intent = new Intent();
				intent.setClass(TestActivity.this, AnothorAcftivity.class);
				startActivity(intent);
				TestActivity.this.finish();
			}
		});
	}

	public void onStart() {
		System.out.println("TestActivity.onStart");
		super.onStart();
	}

	public void onResume() {
		System.out.println("TestActivity.onResume");
		super.onResume();
	}

	public void onPause() {
		System.out.println("TestActivity.onPause");
		super.onPause();
	}

	public void onStop() {
		System.out.println("TestActivity.onStop");
		super.onStop();
	}

	public void onDestroy() {
		System.out.println("TestActivity.onDestory");
		super.onDestroy();
	}

	public void onRestart() {
		System.out.println("TestActivity.onRestart");
		super.onRestart();
	}

}

第二个类：AnothorAcftivity

package feb.hxy;


import feb.hxy.R.string;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;


public class AnothorAcftivity extends Activity {
	private Button button;
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		System.out.println("AnothorAcftivity.onCreate");
		button = (Button) findViewById(R.id.anotherActivity);
		button.setText(string.back);
		button.setOnClickListener(new Button.OnClickListener() {
			public void onClick(View v) {
				Intent intent = new Intent();
				intent.setClass(AnothorAcftivity.this, TestActivity.class);
				startActivity(intent);
				//AnothorAcftivity.this.finish();
			}
		});
	}


	public void onStart() {
		System.out.println("AnothorAcftivity.onStart");
		super.onStart();
	}


	public void onResume() {
		System.out.println("AnothorAcftivity.onResume");
		super.onResume();
	}


	public void onPause() {
		System.out.println("AnothorAcftivity.onPause");
		super.onPause();
	}


	public void onStop() {
		System.out.println("AnothorAcftivity.onStop");
		super.onStop();
	}
	public void onDestroy() {
		System.out.println("AnothorAcftivity.onDestory");
		super.onDestroy();
	}


	public void onRestart() {
		System.out.println("AnothorAcftivity.onRestart");
		super.onRestart();
	}


}

在模拟器中运行，查看DDMS，首先看到如下内容：