1). 設置兩個layout,分別是main.xml、mylayout.xml
layout1設置一個button,可跳到layout2;layout2相同。並設置layout2的背景為灰色
2). 設定layout1的Button1監聽並觸發到跳到layout2的method
3). 設定layout2的Button2監聽並觸發到跳到layout1的method
//=============================================================
[values/color.xml]
//設定背景顏色
<?xml version="1.0" encoding="utf-8"?>
<resources>
<drawable name="white">#ffffff</drawable>
<drawable name="darkgray">#808080</drawable>
</resources>
//-------------------------------------------------------------------------------------------------------------
[values/strings.xml]
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="hello">Hello World, ChangePage1Activity!</string>
<string name="app_name">ChangePage1</string>
<string name="layout1_test">This is Loyout 1!!</string>
<string name="layout1_button">Go To Layout 2</string>
<string name="layout2_test">This is Loyout 2!!</string>
<string name="layout2_button">Go To Layout 1</string>
</resources>
//-------------------------------------------------------------------------------------------------------------
[main.xml]
// 第一個layout
<?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:orientation="vertical" >
<TextView
android:id="@+id/layout1_test"
android:layout_width="338dp"
android:layout_height="wrap_content"
android:layout_weight="0.02"
android:text="@string/layout1_test"
android:textAppearance="?android:attr/textAppearanceLarge" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.13"
android:orientation="vertical" >
// 第一個按鈕
<Button
android:id="@+id/layout1_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/layout1_button" />
</LinearLayout>
</LinearLayout>
//-------------------------------------------------------------------------------------------------------------
[mylayout.xml]
// 第二個layout
<?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:orientation="vertical"
android:background="@drawable/darkgray" > //設置背景顏色
<TextView
android:id="@+id/layout2_test"
android:layout_width="338dp"
android:layout_height="wrap_content"
android:layout_weight="0.02"
android:text="@string/layout2_test"
android:textAppearance="?android:attr/textAppearanceLarge" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.13"
android:orientation="vertical" >
// 第二個按鈕
<Button
android:id="@+id/layout2_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/layout2_button" />
</LinearLayout>
</LinearLayout>
//-------------------------------------------------------------------------------------------------------------
[ChangePage1Activity.java]
//利用setContentView來切換layout
package com.changepage1;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class ChangePage1Activity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//取得資源類別的介面元件
Button b1 = (Button) findViewById(R.id.layout1_button);
b1.setOnClickListener(new Button.OnClickListener(){
//按下按鈕跳到layout2
@Override
public void onClick(View v) {
jumpToLayout2();
}
});
}
private void jumpToLayout2() {
// 設定使用mylayout.xml這個layout
setContentView(R.layout.mylayout);
Button b2 =(Button)findViewById(R.id.layout2_button);
b2.setOnClickListener(new Button.OnClickListener(){
//進入jumpToLayout1()
@Override
public void onClick(View v) {
jumpToLayout1();
}
});
}
private void jumpToLayout1() {
// 設定使用main.xml這個layout
setContentView(R.layout.main);
Button b1 = (Button) findViewById(R.id.layout1_button);
b1.setOnClickListener(new Button.OnClickListener(){
//進入jumpToLayout2(),形成迴圈
@Override
public void onClick(View v) {
jumpToLayout2();
}
});
}
}
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