Android开发制作面切换教程

xml version="1.0" encoding="utf-8"?> 
<LinearLayout 
  xmlns:Android="http://schemas.android.com/apk/res/android" 
  Android:layout_width="match_parent" 
  Android:layout_height="match_parent"> 
    <Button Android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="上一页面 " android:id="@+id/button1">Button> 
LinearLayout> 

makechoice源代码:

package com.makechoice; 
 
import Android.app.Activity; 
import Android.os.Bundle; 
import Android.view.View; 
import Android.widget.Button; 
 
public class makechoice extends Activity 
{ 
    /** Called when the activity is first created. */ 
    @Override 
    public void onCreate(Bundle savedInstanceState)  
    { 
        super.onCreate(savedInstanceState); 
        setContentView(R.layout.main); 
        Button btn = (Button)findViewById(R.id.button1); 
        btn.setOnClickListener(new Button.OnClickListener() 
        { 
            @Override 
            public void onClick(View v) 
            { 
                jump2ok(); 
            } 
        }); 
    } 
     
    //跳到ok页面  
    public void jump2ok() 
    { 
        setContentView(R.layout.ok); 
        //当有按键按下跳到main页面  
        Button btn = (Button)findViewById(R.id.button1); 
        btn.setOnClickListener(new Button.OnClickListener() 
        { 
            @Override 
            public void onClick(View v) 
            { 
                jump2main(); 
            } 
        }); 
    } 
     
  //跳到main页面  
    public void jump2main() 
    { 
        setContentView(R.layout.main); 
        //当有按键按下跳到ok页面  
        Button btn = (Button)findViewById(R.id.button1); 
        btn.setOnClickListener(new Button.OnClickListener() 
        { 
            @Override 
            public void onClick(View v) 
            { 
                jump2ok(); 
            } 
        }); 
    } 
}

public void LoginByPassword(String username, String password){
        mCurrentRT = EnumRequestType.LoginFinish;
        final String strJS = String.format("javascript:document.getElementById('tbUserName').value='%s';document.getElementById('tbPassword').value='%s';document.getElementById('form1').submit();", username, password);
        mWeb.post(new Runnable() {
            public void run() {
                mWeb.loadUrl(strJS);
            }
        });
    }