android 引导界面的实现方法

代码如下:


顺序是： OneAcitivity  -->MainActivity -> TwoActivity

然后第2次进去就是：OneActivity -> TwoActivity

代码里都有注释的了，这里就不多说了。
OneActivity的代码如下：

[java]
代码如下:
package cn.djy.activity;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;

public class OneActivity extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub 
        super.onCreate(savedInstanceState);
        setContentView(R.layout.one);
        boolean flag=this.isFirstEnter(getApplicationContext(), this.getClass().getName());
        if(flag)
            mHandler.sendEmptyMessageDelayed(SWITCH_GUIDACTIVITY,4000);
        else
            mHandler.sendEmptyMessageDelayed(SWITCH_TWOACTIVITY, 4000);
    }
    /
    private boolean isFirstEnter(Context context,String className){
        if(context==null || className ==null || "".equalsIgnoreCase(className)) return false;
        String mResultStr=context.getSharedPreferences(SHAREDPREFERENCES_NAME,Context.MODE_WORLD_READABLE).getString(KEY_GUIDE_ACTIVITY, "");
        if(mResultStr.equalsIgnoreCase("false"))
            return false;
        else
            return true;
    }
    
    /
public class OneActivity extends Activity {

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  // TODO Auto-generated method stub
  super.onCreate(savedInstanceState);
  setContentView(R.layout.one);
  boolean flag=this.isFirstEnter(getApplicationContext(), this.getClass().getName());
  if(flag)
   mHandler.sendEmptyMessageDelayed(SWITCH_GUIDACTIVITY,4000);
  else
   mHandler.sendEmptyMessageDelayed(SWITCH_TWOACTIVITY, 4000);
 }

 /
 private boolean isFirstEnter(Context context,String className){
  if(context==null || className ==null || "".equalsIgnoreCase(className)) return false;
  String mResultStr=context.getSharedPreferences(SHAREDPREFERENCES_NAME,Context.MODE_WORLD_READABLE).getString(KEY_GUIDE_ACTIVITY, "");
  if(mResultStr.equalsIgnoreCase("false"))
   return false;
  else
   return true;
 }
 
 /
public class MainActivity extends Activity {
    private ViewPager _viewpager;
   
    private ArrayList<View> _pagerlist;
    private ImageView image;
   
    private ImageView[] _imageViews;
    //包裹滑动的图片Linearlayout 
    private ViewGroup _group;
    //包裹小圆点的Linearlayout 
    private ViewGroup _viewPonits;
    
    
   
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.start);
        LayoutInflater inflater=getLayoutInflater();
        _pagerlist =new ArrayList<View>();
        _pagerlist.add(inflater.inflate(R.layout.viewpager_page1,null));
        _pagerlist.add(inflater.inflate(R.layout.viewpager_page2,null));
        //创建Imageviews数组，大小是要显示的图片数量 
        _imageViews =new ImageView[_pagerlist.size()];
        
//        ViewGroup  
        _group =(ViewGroup) inflater.inflate(R.layout.start, null);//加载MAIN.XML 
        _viewPonits=(ViewGroup) _group.findViewById(R.id.icon_circle);//加载小圆点的图片 
        _viewpager =(ViewPager) _group.findViewById(R.id.guidePages);//android.support.v4.view.ViewPager 
        
        //添加小圆点的图片 
        for (int i = 0; i < _imageViews.length; i++) {
             image= new ImageView(this);
             //设置小圆点的imageview的参数 
             image.setLayoutParams(new LayoutParams(20,20));//宽高均为20 
             image.setPadding(20, 0, 20, 0);
             _imageViews[i]=image;
             //第一张是选中状态 
           ;   if(i==0){
                 _imageViews[i].setBackgroundResource(R.drawable.a2a);
             }else{
                 _imageViews[i].setBackgroundResource(R.drawable.a1a);
             }
             _viewPonits.addView(_imageViews[i]);
        }
        //显示视图 
        setContentView(_group);
        _viewpager.setAdapter(new GuidePageAdapter());
        _viewpager.setOnPageChangeListener(new GuidePageChangeListener());
    }
    
    void setGuided(){
        SharedPreferences shared=getSharedPreferences("yang",0);
        SharedPreferences.Editor editor=shared.edit();
        editor.putString("Open", "false");
        editor.commit();
    }
    class GuidePageAdapter extends PagerAdapter{
        @Override
        public int getCount() {
            return _pagerlist.size();
        }
        //initalization position page 
        @Override
        public Object instantiateItem(View container, int position) {
            ((ViewPager)container).addView(_pagerlist.get(position));
            if(position==1){
                Button bt=(Button) container.findViewById(R.id.bt_close);
                bt.setOnClickListener(new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        //设置已经引导 
                        setGuided();
                        //Intent  
                        Intent intent=new Intent();
                        intent.setClass(MainActivity.this,TwoActivity.class );
                        MainActivity.this.startActivity(intent);
                        MainActivity.this.finish();
    &nb sp;               }
                });
            }
            return _pagerlist.get(position);
        }
        
        //判断是否由对象生成页面 
        @Override
        public boolean isViewFromObject(View view, Object obj) {
            return view==obj;
        }
        //销毁页面的位置 
        @Override
        public void destroyItem(View container, int position, Object object) {
            ((ViewPager)container).removeView(_pagerlist.get(position));
        }
        
        @Override
        public void finishUpdate(View container) {
            //finish 
        }
        @Override
        public void startUpdate(View container) {
            //start 
        }
        @Override
        public int getItemPosition(Object object) {
            //getItemPosition 
            return super.getItemPosition(object);
        }
        
        @Override
        public void restoreState(Parcelable state, ClassLoader loader) {
            super.restoreState(state, loader);
            //restore 
        }
        @Override
        public Parcelable saveState() {
            return super.saveState();
            //save 
        }
    }
    class GuidePageChangeListener implements OnPageChangeListener{
        @Override
        public void onPageScrollStateChanged(int arg0) {
        }
        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {
        }
        @Override
        public void onPageSelected(int position) {
            for (int i = 0; i < _imageViews.length; i++) {
                    _imageViews[position].setBackgroundResource(R.d rawable.a2a);
                    if(position!=i)
                        _imageViews[i].setBackgroundResource(R.drawable.a1a);
            }
        }
    }
}

package cn.djy.activity;

import java.util.ArrayList;

import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TwoLineListItem;

public class MainActivity extends Activity {
 private ViewPager _viewpager;
 
 private ArrayList<View> _pagerlist;
 private ImageView image;
 
 private ImageView[] _imageViews;
 //包裹滑动的图片Linearlayout
 private ViewGroup _group;
 //包裹小圆点的Linearlayout
 private ViewGroup _viewPonits;
 
 
   
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.start);
        LayoutInflater inflater=getLayoutInflater();
        _pagerlist =new ArrayList<View>();
        _pagerlist.add(inflater.inflate(R.layout.viewpager_page1,null));
        _pagerlist.add(inflater.inflate(R.layout.viewpager_page2,null));
        //创建Imageviews数组，大小是要显示的图片数量
        _imageViews =new ImageView[_pagerlist.size()];
      
//        ViewGroup
        _group =(ViewGroup) inflater.inflate(R.layout.start, null);//加载MAIN.XML
        _viewPonits=(ViewGroup) _group.findViewById(R.id.icon_circle);//加载小圆点的图片
        _viewpager =(ViewPager) _group.findViewById(R.id.guidePages);//android.support.v4.view.ViewPager
      
        //添加小圆点的图片
        for (int i = 0; i < _imageViews.length; i++) {
    image= new ImageView(this);
    //设置小圆点的imageview的参数
    image.setLayoutParams(new LayoutParams(20,20));//宽高均为20
    image.setPadding(20, 0, 20, 0);
    _imageViews[i]=image;
    //第一张是选中状态
    if(i==0){
     _imageViews[i].setBackgroundResource(R.drawable.a2a);
    }else{
     _imageViews[i].setBackgroundResource(R.drawable.a1a);
    }
    _viewPonits.addView(_imageViews[i]);
  }
        //显示视图
        setContentView(_group);
        _viewpager.setAdapter(new GuidePageAdapter());
        _viewpager.setOnPageChangeListener(new GuidePageChangeListener());
    }
  
    void setGuided(){
     SharedPreferences shared=getSharedPreferences("yang",0);
     SharedPrefer ences.Editor editor=shared.edit();
     editor.putString("Open", "false");
     editor.commit();
    }
    class GuidePageAdapter extends PagerAdapter{

  @Override
  public int getCount() {
   return _pagerlist.size();
  }
  //initalization position page
  @Override
  public Object instantiateItem(View container, int position) {
   ((ViewPager)container).addView(_pagerlist.get(position));
   if(position==1){
    Button bt=(Button) container.findViewById(R.id.bt_close);
    bt.setOnClickListener(new OnClickListener() {
     @Override
     public void onClick(View v) {
      //设置已经引导
      setGuided();
      //Intent
      Intent intent=new Intent();
      intent.setClass(MainActivity.this,TwoActivity.class );
      MainActivity.this.startActivity(intent);
      MainActivity.this.finish();
     }
    });
   }
   return _pagerlist.get(position);
  }
 
  //判断是否由对象生成页面
  @Override
  public boolean isViewFromObject(View view, Object obj) {
   return view==obj;
  }
  //销毁页面的位置
  @Override
  public void destroyItem(View container, int position, Object object) {
   ((ViewPager)container).removeView(_pagerlist.get(position));
  }
 
  @Override
  public void finishUpdate(View container) {
   //finish
  }
  @Override
  public void startUpdate(View container) {
   //start
  }
  @Override
  public int getItemPosition(Object object) {
   //getItemPosition
   return super.getItemPosition(object);
  }
 
  @Override
  public void restoreState(Parcelable state, ClassLoader loader) {
   super.restoreState(state, loader);
   //restore
  }
  @Override
  public Parcelable saveState() {
   return super.saveState();
   //save
  }
    }
    class GuidePageChangeListener implements OnPageChangeListener{

  @Override
  public void onPageScrollStateChanged(int arg0) {
  }

  @Override
  public void onPageScrolled(int arg0, float arg1, int arg2) {
  }

  @Override
  public void onPageSelected(int position) {
   for (int i = 0; i < _imageViews.length; i++) {
     _imageViews[position].setBackgroundResource(R.drawable.a2a);
     if(position!=i)
      _imageViews[i].setBackgroundResource(R.drawable.a1a);
   }
  }
    }
}

最后是TWOActivity：这个Activity是显示的内容。

[java]
代码如下:
package cn.djy.activity;
import android.app.Activity;
import android.os.Bundle;
public class TwoActivity extends Activity{
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.end);
    }
}

package cn.djy.activity;

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

public class TwoActivity extends Activity{
 
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.end);
 }

}

主要代码完成。
里面涉及的drawable图片是小圆点图片。

下面贴出XML的。

start.xml

 

[css]
代码如下:
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
     <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" android:id="@+id/linear_viewpager">
        <android.support.v4.view.ViewPager   android:id="@+id/guidePages" android:layout_width="fill_parent"  android:layout_height="wrap_content"/>
     </LinearLayout>
     
     <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" android:id="@+id/linear_circle">
         <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" >
                <LinearLayout android:id="@+id/icon_circle" 
                              android:layout_width="fill_parent" 
                              android:layout_height="wrap_content" 
                              android:layout_marginBottom="40dip" 
                              android:layout_alignParentBottom="true" 
                              android:gravity="center_vertical"
                              android:orientation="horizontal"/>
         </RelativeLayout>
     </LinearLayout>
</FrameLayout>

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
   <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" android:id="@+id/linear_viewpager">
    <android.support.v4.view.ViewPager  android:id="@+id/guidePages" android:layout_width="fill_parent"  android:layout_height="wrap_content"/>
   </LinearLayout>
   <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" android:id="@+id/linear_circle">
     <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" >
       <LinearLayout android:id="@+id/icon_circle"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="40dip"
            android:layout_alignParentBottom="true"
            android:gravity="center_vertical"
            android:orientation="horizontal"/>
     </RelativeLayout>
   </LinearLayout>
</FrameLayout>

其实是用Group把子项包起来作为显示：

那子项为：
viewpager_page1.xml

[css]
代码如下:
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"  android:orientation="vertical">
   <TextView android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center" android:text="adfasfasfweqwwfqw'"
   />
 </LinearLayout>

<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"  android:orientation="vertical">
   <TextView android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center" android:text="adfasfasfweqwwfqw'"
   />
 </LinearLayout>
 
viewpager_page2.xml

[css]
代码如下:
<?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"
  android:orientation="vertical" 
  android:gravity="center">
  <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="pages222222222222222222"></TextView>
  <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="asdfi14234124" android:id="@+id/bt_close"></Button>
</LinearLayout>

<?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"
  android:orientation="vertical"
  android:gravity="center">
  <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="pages222222222222222222"></TextView>
  <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="asdfi14234124" android:id="@+id/bt_close"></Button>
</LinearLayout>

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