Activity到另一个Acivity

res/main.xml

<?xml version="1.0" encoding="utf-8"?>

<AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

<Button 

			android:id="@+id/btn1"

			android:layout_x="118dip" 

			android:text="Button" 

			android:layout_width="wrap_content" 

			android:layout_height="wrap_content"  

			android:layout_y="145dip"></Button>

<TextView 

			android:text="这是第一个Activity" 

			android:layout_width="fill_parent" 

			android:id="@+id/textView1" 

			android:layout_height="wrap_content" 

			android:layout_x="5dip" 

			android:layout_y="92dip"></TextView>

</AbsoluteLayout>

res/ex03_09_01.xml

<?xml version="1.0" encoding="utf-8"?>

<AbsoluteLayout

  xmlns:android="http://schemas.android.com/apk/res/android"

  android:layout_width="fill_parent"

  android:layout_height="fill_parent">

    <TextView android:text="这是第二个Activity" 

    		  android:layout_width="wrap_content" 

    		  android:layout_height="wrap_content" 

    		  android:layout_x="122dip" 

    		  android:layout_y="96dip" 

    		  android:id="@+id/tv2"></TextView>

    <Button android:layout_x="116dip" 

    		android:text="Button" 

    		android:layout_width="wrap_content" 

    		android:layout_height="wrap_content" 

    		android:layout_y="130dip" 

    		android:id="@+id/btn2"></Button>

</AbsoluteLayout>

src/EX03_09.java

package gphone.ex03_09;



import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;



public class EX03_09 extends Activity {

	Button btn1=null;

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        btn1=(Button)findViewById(R.id.btn1);

        btn1.setOnClickListener(new Button.OnClickListener(){



			@Override

			public void onClick(View v) {

				// TODO Auto-generated method stub

				Intent intent=new Intent();

				intent.setClass(EX03_09.this,EX03_09_01.class);

				startActivity(intent);

				EX03_09.this.finish();

			}

        	

        });

    }

}

src/EX03_09_01.java

package gphone.ex03_09;



import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;



public class EX03_09_01 extends Activity{

	Button btn2=null;

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		// TODO Auto-generated method stub

		super.onCreate(savedInstanceState);

		this.setContentView(R.layout.ex036_09_01);

		

		btn2=(Button)findViewById(R.id.btn2);

		btn2.setOnClickListener(new Button.OnClickListener(){



			@Override

			public void onClick(View v) {

				// TODO Auto-generated method stub

				Intent intent=new Intent();

				intent.setClass(EX03_09_01.this,EX03_09.class);

				startActivity(intent);

				EX03_09_01.this.finish();

				

			}

			

		});

		

	}

	

}