PowenKo, Android Tutorial 018, Activity, Activity change page

add new a page2layout.xml

setup the name “page2layout.xml”

update “main.xml”

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    />
<Button
	android:text="Button"
	android:id="@+id/button1"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"></Button>

</LinearLayout>

update “page2layout.xml”

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="page2"
    />

</LinearLayout>

update Tutorial_Activity_ActivityActivity.java

package com.powenko.Tutorial_Activity_Activity;

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

public class Tutorial_Activity_ActivityActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        Button b1 = (Button) findViewById(R.id.button1);
        b1.setOnClickListener(new Button.OnClickListener()
        {
          public void onClick(View v)
          {

            Intent intent = new Intent();
        	  intent.setClass(Tutorial_Activity_ActivityActivity.this, page2.class);

        	  startActivity(intent);
        	  Tutorial_Activity_ActivityActivity.this.finish();
          }
        });

    }
}

add  new Class

setup name “page2”

update page2.java

package com.powenko.Tutorial_Activity_Activity;

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

public class page2 extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.page2layout);

    }
}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.powenko.Tutorial_Activity_Activity"
      android:versionCode="1"
      android:versionName="1.0">
    <uses-sdk android:minSdkVersion="3" />

    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".Tutorial_Activity_ActivityActivity"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name="page2" ></activity>

    </application>

</manifest>

sample code:

Tutorial_Activity_Activity