說明：

ViewPager簡單實現，方便以后用。做的是一個全屏的引導頁。

截圖：

代碼：

GuideActivity.java

package com.xinyan.personal.ui.activity;import android.content.Intent; import android.gesture.GestureUtils; import android.os.Bundle; import android.os.CountDownTimer; import android.support.annotation.Nullable; import android.support.v4.view.ViewPager; import android.view.View; import android.widget.ImageView; import android.widget.TextView;import com.xinyan.personal.MainActivity; import com.xinyan.personal.R; import com.xinyan.personal.adapter.GuideAdapter; import com.xinyan.personal.util.SPUtils; import com.xinyan.personal.util.UiUtil;import java.util.ArrayList; import java.util.List;/*** 引導頁* Created by zst on 2017/8/2.*/public class GuideActivity extends BaseActivity implements ViewPager.OnPageChangeListener, View.OnClickListener{private ViewPager vp_guide;private TextView tv_skip;private TextView tv_begin;private ImageView iv_dot_0;private ImageView iv_dot_1;private ImageView iv_dot_2;@Overrideprotected void onCreate(@Nullable Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_guide);vp_guide = (ViewPager) findViewById(R.id.vp_guide);tv_skip = (TextView) findViewById(R.id.tv_skip);tv_begin = (TextView) findViewById(R.id.tv_begin);iv_dot_0 = (ImageView) findViewById(R.id.iv_dot_0);iv_dot_1 = (ImageView) findViewById(R.id.iv_dot_1);iv_dot_2 = (ImageView) findViewById(R.id.iv_dot_2);tv_skip.setOnClickListener(this);tv_begin.setOnClickListener(this);initBanner();countDownTimer();}@Overridepublic void onClick(View view) {switch (view.getId()) {case R.id.tv_begin:SPUtils.setParam(GuideActivity.this, SPUtils.GUIDE_STATUS, true);startActivity(new Intent(GuideActivity.this, MainActivity.class));finish();break;case R.id.tv_skip:SPUtils.setParam(GuideActivity.this, SPUtils.GUIDE_STATUS, true);startActivity(new Intent(GuideActivity.this, MainActivity.class));finish();break;}}//初始化三張引導頁private void initBanner() {List<Integer> images = new ArrayList<>();images.add(R.drawable.pic_guide_0);images.add(R.drawable.pic_guide_1);images.add(R.drawable.pic_guide_2);GuideAdapter guideAdapter = new GuideAdapter(GuideActivity.this, images);vp_guide.setAdapter(guideAdapter);vp_guide.addOnPageChangeListener(this);}@Overridepublic void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {}@Overridepublic void onPageSelected(int position) {setDefalutDot();if(position == 0) {iv_dot_0.setImageResource(R.drawable.ic_ad_dot_check);}if(position == 1) {iv_dot_1.setImageResource(R.drawable.ic_ad_dot_check);}if(position == 2) {iv_dot_2.setImageResource(R.drawable.ic_ad_dot_check);tv_begin.setVisibility(View.VISIBLE);}}@Overridepublic void onPageScrollStateChanged(int state) {}//設置默認的dotprivate void setDefalutDot() {tv_begin.setVisibility(View.GONE);iv_dot_0.setImageResource(R.drawable.ic_ad_dot_default);iv_dot_1.setImageResource(R.drawable.ic_ad_dot_default);iv_dot_2.setImageResource(R.drawable.ic_ad_dot_default);}/*** 5秒倒計時；*/public void countDownTimer() {CountDownTimer timer = new CountDownTimer(5000, 1000) {@Overridepublic void onTick(long millisUntilFinished) {tv_skip.setText("跳過" + millisUntilFinished / 1000);tv_skip.setEnabled(false);}@Overridepublic void onFinish() {tv_skip.setText("跳過");tv_skip.setEnabled(true);}};timer.start();} }
activity_guide.xml

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"android:layout_width="match_parent" android:layout_height="match_parent"android:background="@color/bg_efeff4"android:orientation="vertical"><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="match_parent"><android.support.v4.view.ViewPagerandroid:id="@+id/vp_guide"android:layout_width="match_parent"android:layout_height="match_parent"/><LinearLayoutandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_alignParentBottom="true"android:layout_centerHorizontal="true"android:layout_marginBottom="20dp"android:orientation="vertical"><TextViewandroid:id="@+id/tv_begin"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center_horizontal"android:background="@drawable/shape_btn_guide_use"android:text="申請試用"android:textColor="@color/white"android:visibility="gone"/><LinearLayoutandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center_horizontal"android:layout_marginTop="30dp"><ImageViewandroid:id="@+id/iv_dot_0"android:layout_width="wrap_content"android:layout_height="wrap_content"android:src="@drawable/ic_ad_dot_check"/><ImageViewandroid:id="@+id/iv_dot_1"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:src="@drawable/ic_ad_dot_default"/><ImageViewandroid:id="@+id/iv_dot_2"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="10dp"android:src="@drawable/ic_ad_dot_default"/></LinearLayout></LinearLayout><TextViewandroid:id="@+id/tv_skip"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_alignParentRight="true"android:background="@drawable/shape_btn_guide_second"android:layout_margin="20dp"android:paddingTop="5dp"android:paddingBottom="5dp"android:paddingLeft="10dp"android:paddingRight="10dp"android:clickable="false"android:textSize="11sp"android:text="跳過 5"android:textColor="@color/white"/></RelativeLayout> </LinearLayout>
GuideAdapter.java

package com.xinyan.personal.adapter;import android.content.Context; import android.content.Intent; import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView;import com.bumptech.glide.Glide; import com.xinyan.personal.R; import com.xinyan.personal.httpManager.response.NoticeListResponse; import com.xinyan.personal.ui.activity.MsgDetailActivity;import java.util.List; import java.util.Map;/*** 引導頁配器* Created by zst on 2017/8/2.*/public class GuideAdapter extends PagerAdapter {Context context;List<Integer> viewLists;public GuideAdapter(Context context, List<Integer> lists) {this.viewLists = lists;this.context = context;}@Overridepublic int getCount() { //獲得sizereturn viewLists.size();}@Overridepublic boolean isViewFromObject(View view, Object object) {return view == object;}@Overridepublic void destroyItem(ViewGroup view, int position, Object object) { //銷毀Item}@Overridepublic Object instantiateItem(ViewGroup view, int position){ //實例化ItemImageView imageView = new ImageView(context);ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(ViewPager.LayoutParams.MATCH_PARENT,ViewPager.LayoutParams.MATCH_PARENT);imageView.setLayoutParams(params);imageView.setScaleType(ImageView.ScaleType.CENTER);Glide.with(context).load(viewLists.get(position)).into(imageView);view.addView(imageView);return imageView;} }

總結

以上是生活随笔為你收集整理的Android ViewPager简单实现 - 倒计时、引导页左右滑动的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。