Android-ViewPage实现一次引导

ViewPage

        (1)效果图：

                                                                                                            

activity_main2.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/activity_main2"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <android.support.v4.view.ViewPager
        android:id="@+id/v4_viewpage"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    </android.support.v4.view.ViewPager>
    <LinearLayout
        android:id="@+id/linearlayout"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:layout_gravity="bottom|center">
        <ImageView
            android:layout_width="20dp"
            android:layout_height="20dp"
            android:src="@drawable/kong"/>
        <ImageView
            android:layout_width="20dp"
            android:layout_height="20dp"
            android:src="@drawable/kong"/>
        <ImageView
            android:layout_width="20dp"
            android:layout_height="20dp"
            android:src="@drawable/kong"/>
        <ImageView
            android:layout_width="20dp"
            android:layout_height="20dp"
            android:src="@drawable/kong"/>
    </LinearLayout>
</FrameLayout>

pagerone

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <ImageView
        android:id="@+id/one"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:src="@drawable/one"/>
</LinearLayout>

Main2Activity

<pre name="code" class="java">package com.example.zhongweikang.viewpagertext;

import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import java.util.ArrayList;

 public class Main2Activity extends AppCompatActivity {
    ArrayList<View> mlist = new ArrayList<>();
    ViewPager MyviewPager;
    View view1, view2, view3, view4;
    MyAdapter adapter;
    LinearLayout linearLayout;
    ImageView[] ico;
    int CurrentIndex = 0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        MyviewPager = (ViewPager) findViewById(R.id.v4_viewpage);
        adapter = new MyAdapter(mlist);
        linearLayout = (LinearLayout) findViewById(R.id.linearlayout);
        MyviewPager.setAdapter(adapter);
        InitView();
        ico = new ImageView[mlist.size()];
        setIcon();
        adapter.notifyDataSetChanged();
        MyviewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
            }
            @Override
            public void onPageSelected(int position) {
                ico[position].setImageResource(R.drawable.black);
                ico[CurrentIndex].setImageResource(R.drawable.kong);
                CurrentIndex = position;
            }
            @Override
            public void onPageScrollStateChanged(int state) {
            }
        });

    }
    /* 首页的先设置成小黑点*/
    private void setIcon() {
        for (int i = 0; i < ico.length; i++) {
            ico[i] = (ImageView) linearLayout.getChildAt(i);
        }
        ico[CurrentIndex].setImageResource(R.drawable.black);
    }
    /* 视图*/
    private void InitView() {
        view1 = getLayoutInflater().inflate(R.layout.page_one, null);
        view2 = getLayoutInflater().inflate(R.layout.page_two, null);
        view3 = getLayoutInflater().inflate(R.layout.page_three, null);
        view4 = getLayoutInflater().inflate(R.layout.page_four, null);
        mlist.add(view1);
        mlist.add(view2);
        mlist.add(view3);
        mlist.add(view4);
    }
}

myadapter

public class MyAdapter extends PagerAdapter {
           ArrayList<View> list;
    public MyAdapter(ArrayList<View > list){
        this.list=list;
    }
    @Override
    public int getCount() {
        return list.size();
    }
    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        container.addView(list.get(position));
        return list.get(position);
    }
    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
       container.removeView(list.get(position));
    }
    @Override
    public boolean isViewFromObject(View view, Object object) {
        return  view==object;
    }
}