Android两个layout切换。

color.xml
-----------------------

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

    <color name="black">#000000</color>
    <color name="white">#FFFFFFFF</color>

</resources>

strings.xml

-----------------------

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

    <string name="hello">Hello World, Android_TowLayoutActivity!</string>
    <string name="app_name">Android_TowLayout</string>
    <string name="layout1">this is Layout 1</string>
    <string name="layout2">This is Layout 2</string>

</resources>

两个layout XML

strings.xml

----------------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@color/black"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/text1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/layout1"
        android:textSize="24sp" />

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button" />

</LinearLayout>

mylayout.xml

---------------------------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@color/black"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/text2"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/layout2"
        android:textSize="24sp" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button2" />

</LinearLayout>

TowLayoutActivity.java

-------------------------------------

package com.pandy.tl;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class TowLayoutActivity extends Activity {
    /** Called when the activity is first created. */
    private Button button1;
    private Button button2;
    private TextView text1;
    private TextView text2;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        button1 = (Button)findViewById(R.id.button1);
        button1.setOnClickListener(new OnClickListener(){
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                jumpLayout2();

            }
        });
        //这里不能定义button2的的时间,否则会出错。但不知道什么原因，难道button2是R.layout.main的控件，才会出现这个情况？
/*        button2 = (Button)findViewById(R.id.button2);
        button2.setOnClickListener(new OnClickListener(){
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                jumpLayout1();
            }
        });*/

    }

    public void jumpLayout1() {
        setContentView(R.layout.main);
        button1 = (Button) findViewById(R.id.button1);
        button1.setOnClickListener(new Button.OnClickListener() {
            public void onClick(View v) {
                jumpLayout2();
            }
        });
    }

    public void jumpLayout2() {
        setContentView(R.layout.mylayout);
        button2 = (Button) findViewById(R.id.button2);
        button2.setOnClickListener(new Button.OnClickListener() {
            public void onClick(View v) {
                jumpLayout1();
            }
        });

    }
}