本文实例为大家分享了Android实现启动引导页效果的具体代码，供大家参考，具体内容如下

ViewPagerTwoActivity.java

package cn.edu.zufe.app001;import androidx.annotation.NonNull;import androidx.appcompat.app.AppCompatActivity;import androidx.viewpager.widget.PagerAdapter;import androidx.viewpager.widget.ViewPager;import android.content.Context;import android.os.Bundle;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.Button;import android.widget.ImageView;import android.widget.RadioButton;import android.widget.RadioGroup;import android.widget.Toast;import java.util.ArrayList;public class ViewPagerTwoActivity extends AppCompatActivity { private int[] launchImageArray = new int[]{ R.drawable.guide_bg1,R.drawable.guide_bg2,R.drawable.guide_bg3,R.drawable.guide_bg4 }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_view_pager_two); ViewPager vp_launch = (ViewPager)findViewById(R.id.vp_launch); LaunchSimpleAdapter adapter = new LaunchSimpleAdapter(this,launchImageArray); vp_launch.setAdapter(adapter); vp_launch.setCurrentItem(0); } class LaunchSimpleAdapter extends PagerAdapter{ private Context mContext; private ArrayList<View> mViewList = new ArrayList<View>(); public LaunchSimpleAdapter(final Context context, int[] imageArray){ mContext = context; for(int i=0; i<imageArray.length; i++){ View view = LayoutInflater.from(context).inflate(R.layout.item_launch,null); ImageView iv_launcher = (ImageView)view.findViewById(R.id.iv_launch); RadioGroup rg_indicate = (RadioGroup)view.findViewById(R.id.rg_indicate); Button btn_start = (Button)view.findViewById(R.id.btn_start); iv_launcher.setImageResource(imageArray[i]); for(int j=0; j<imageArray.length; j++){ RadioButton radio = new RadioButton(mContext); radio.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT)); radio.setButtonDrawable(R.drawable.launch_guide); radio.setPadding(10,10,10,10); rg_indicate.addView(radio); } ((RadioButton)rg_indicate.getChildAt(i)).setChecked(true); if (i == imageArray.length-1) { btn_start.setVisibility(View.VISIBLE); btn_start.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(context,"欢迎您开启美好生活",Toast.LENGTH_SHORT).show(); } }); } mViewList.add(view); } } @Override public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) { container.removeView(mViewList.get(position)); } @NonNull @Override public Object instantiateItem(@NonNull ViewGroup container, int position) { container.addView(mViewList.get(position)); return mViewList.get(position); } @Override public int getCount() { return mViewList.size(); } @Override public boolean isViewFromObject(@NonNull View view, @NonNull Object o) { return view == o; } }}

activity_view_pager_two.xml

<?xml version="1.0" encoding="utf-8"?><androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="cn.edu.zufe.app001.ViewPagerTwoActivity"> <androidx.viewpager.widget.ViewPager android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/vp_launch"> </androidx.viewpager.widget.ViewPager></androidx.constraintlayout.widget.ConstraintLayout>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。