这一篇我将会以人人网的引导界面为实例来展开详细的讲解,人人网的引导界面比较的新颖,不同于其他应用程序千篇一律的靠滑动来引导用户,而是以一个一个比较生动形象的动画效果展示在用户们的面前,有一种给人眼前一亮的感觉,话不多说,进入正题。
一、实现的效果图
欢迎界面:
引导界面1
引导界面 2
引导界面 3
二 、项目的目录结构
三、具体的编码实现
1、欢迎界面的xml布局,activity_welcome:
- <?xml version="1.0" encoding="utf-8"?>
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- android:background="@drawable/v5_6_2_welcome"
- android:orientation="vertical" />
- <?xml version="1.0" encoding="utf-8"?>
- <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- android:orientation="vertical" >
- <ImageView
- android:id="@+id/iv_guide_picture"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- android:layout_weight="1.0"
- android:scaleType="fitXY" />
- <LinearLayout
- android:id="@+id/ll_bottom_action_bar"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:layout_alignParentBottom="true"
- android:orientation="horizontal"
- android:padding="7dip" >
- <Button
- android:id="@+id/btn_register"
- android:layout_width="fill_parent"
- android:layout_height="45dip"
- android:layout_weight="1.5"
- android:background="@drawable/guide_btn_blue"
- android:gravity="center"
- android:singleLine="true"
- android:text="注 册"
- android:textColor="#FFFFFF"
- android:textSize="15.0sp" />
- <Button
- android:id="@+id/btn_look_at_the_people_i_know"
- android:layout_width="fill_parent"
- android:layout_height="45dip"
- android:layout_marginLeft="8dip"
- android:layout_marginRight="8dip"
- android:layout_weight="1.0"
- android:background="@drawable/guide_btn_white"
- android:gravity="center"
- android:singleLine="true"
- android:text="看看我认识的人"
- android:textColor="#000000"
- android:textSize="15.0sp" />
- <Button
- android:id="@+id/btn_login"
- android:layout_width="fill_parent"
- android:layout_height="45dip"
- android:layout_weight="1.5"
- android:background="@drawable/guide_btn_blue"
- android:gravity="center"
- android:singleLine="true"
- android:text="登 录"
- android:textColor="#FFFFFF"
- android:textSize="15.0sp" />
- </LinearLayout>
- </RelativeLayout>
- <?xml version="1.0" encoding="utf-8"?>
- <selector xmlns:android="http://schemas.android.com/apk/res/android">
- <item android:drawable="@drawable/v5_0_1_guide_blue_default" android:state_focused="true" android:state_pressed="false"/>
- <item android:drawable="@drawable/v5_0_1_guide_blue_press" android:state_pressed="true"/>
- <item android:drawable="@drawable/v5_0_1_guide_blue_default"/>
- </selector>
- <?xml version="1.0" encoding="utf-8"?>
- <selector xmlns:android="http://schemas.android.com/apk/res/android">
- <item android:drawable="@drawable/v5_0_1_guide_black_default" android:state_focused="true" android:state_pressed="false"/>
- <item android:drawable="@drawable/v5_0_1_guide_black_press" android:state_pressed="true"/>
- <item android:drawable="@drawable/v5_0_1_guide_black_default"/>
- </selector>
- <?xml version="1.0" encoding="utf-8"?>
- <set xmlns:android="http://schemas.android.com/apk/res/android" >
- <alpha android:fromAlpha="0.0"
- android:toAlpha="1.0" />
- </set>
- <?xml version="1.0" encoding="utf-8"?>
- <set xmlns:android="http://schemas.android.com/apk/res/android" >
- <scale
- android:fillAfter="false"
- android:fromXScale="1.1"
- android:fromYScale="1.1"
- android:interpolator="@android:anim/decelerate_interpolator"
- android:pivotX="50.0%"
- android:pivotY="50.0%"
- android:toXScale="1.1"
- android:toYScale="1.1" />
- <alpha
- xmlns:android="http://schemas.android.com/apk/res/android"
- android:fromAlpha="1.0"
- android:toAlpha="0.0" />
- </set>
- <?xml version="1.0" encoding="utf-8"?>
- <set xmlns:android="http://schemas.android.com/apk/res/android" >
- <scale
- android:fillAfter="false"
- android:fromXScale="1.0"
- android:fromYScale="1.0"
- android:interpolator="@android:anim/decelerate_interpolator"
- android:pivotX="50.0%"
- android:pivotY="50.0%"
- android:toXScale="1.1"
- android:toYScale="1.1"/>
- </set>
- package com.yangyu.myguideview03;
- import android.app.Activity;
- import android.content.Intent;
- import android.os.Bundle;
- import android.os.CountDownTimer;
- /**
- * @author yangyu
- * 功能描述:欢迎界面Activity(Logo)
- */
- public class WelcomeActivity extends Activity {
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_welcome);
- /**
- * millisInFuture:从开始调用start()到倒计时完成并onFinish()方法被调用的毫秒数
- * countDownInterval:接收onTick(long)回调的间隔时间
- */
- new CountDownTimer(5000, 1000) {
- @Override
- public void onTick(long millisUntilFinished) {
- }
- @Override
- public void onFinish() {
- Intent intent = new Intent(WelcomeActivity.this, GuideActivity.class);
- startActivity(intent);
- WelcomeActivity.this.finish();
- }
- }.start();
- }
- }
- package com.yangyu.myguideview03;
- import android.app.Activity;
- import android.graphics.drawable.Drawable;
- import android.os.Bundle;
- import android.view.View;
- import android.view.View.OnClickListener;
- import android.view.animation.Animation;
- import android.view.animation.Animation.AnimationListener;
- import android.view.animation.AnimationUtils;
- import android.widget.Button;
- import android.widget.ImageView;
- import android.widget.Toast;
- /**
- * @author yangyu
- * 功能描述:导引界面(每张图片都执行的动画顺序,渐现、放大和渐隐,结束后切换图片和文字
- * 又开始执行 渐现、放大和渐隐,当最后一张执行完渐隐,切换到第一张,从而达到循环效果)
- */
- public class GuideActivity extends Activity implements OnClickListener{
- //定义注册、登录和看看我认识的人按钮
- private Button btnRegister,btnLogin,btnIKnowPeople;
- //显示图片的ImageView组件
- private ImageView ivGuidePicture;
- //要展示的一组图片资源
- private Drawable[] pictures;
- //每张展示图片要执行的一组动画效果
- private Animation[] animations;
- //当前执行的是第几张图片(资源索引)
- private int currentItem = 0;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_guide);
- initView();
- initData();
- }
- /**
- * 初始化组件
- */
- private void initView(){
- //实例化ImageView引导图片
- ivGuidePicture = (ImageView) findViewById(R.id.iv_guide_picture);
- //实例化按钮
- btnRegister = (Button) findViewById(R.id.btn_register);
- btnIKnowPeople = (Button) findViewById(R.id.btn_look_at_the_people_i_know);
- btnLogin = (Button) findViewById(R.id.btn_login);
- //实例化引导图片数组
- pictures = new Drawable[] { getResources().getDrawable(R.drawable.v5_3_0_guide_pic1),getResources().getDrawable(R.drawable.v5_3_0_guide_pic2),
- getResources().getDrawable(R.drawable.v5_3_0_guide_pic3)};
- //实例化动画效果数组
- animations = new Animation[] { AnimationUtils.loadAnimation(this, R.anim.guide_fade_in),
- AnimationUtils.loadAnimation(this, R.anim.guide_fade_in_scale),
- AnimationUtils.loadAnimation(this, R.anim.guide_fade_out) };
- }
- /**
- * 初始化数据
- */
- private void initData(){
- //给按钮设置监听
- btnRegister.setOnClickListener(this);
- btnIKnowPeople.setOnClickListener(this);
- btnLogin.setOnClickListener(this);
- //给每个动画效果设置播放时间
- animations[0].setDuration(1500);
- animations[1].setDuration(3000);
- animations[2].setDuration(1500);
- //给每个动画效果设置监听事件
- animations[0].setAnimationListener(new GuideAnimationListener(0));
- animations[1].setAnimationListener(new GuideAnimationListener(1));
- animations[2].setAnimationListener(new GuideAnimationListener(2));
- //设置图片动画初始化默认值为0
- ivGuidePicture.setImageDrawable(pictures[currentItem]);
- ivGuidePicture.startAnimation(animations[0]);
- }
- /**
- * 实现了动画监听接口,重写里面的方法
- */
- class GuideAnimationListener implements AnimationListener {
- private int index;
- public GuideAnimationListener(int index) {
- this.index = index;
- }
- @Override
- public void onAnimationStart(Animation animation) {
- }
- //重写动画结束时的监听事件,实现了动画循环播放的效果
- @Override
- public void onAnimationEnd(Animation animation) {
- if (index < (animations.length - 1)) {
- ivGuidePicture.startAnimation(animations[index + 1]);
- } else {
- currentItem++;
- if (currentItem > (pictures.length - 1)) {
- currentItem = 0;
- }
- ivGuidePicture.setImageDrawable(pictures[currentItem]);
- ivGuidePicture.startAnimation(animations[0]);
- }
- }
- @Override
- public void onAnimationRepeat(Animation animation) {
- }
- }
- @Override
- public void onClick(View v) {
- switch (v.getId()) {
- case R.id.btn_register:
- Toast.makeText(this, "点击了注册按钮", Toast.LENGTH_SHORT).show();
- break;
- case R.id.btn_look_at_the_people_i_know:
- Toast.makeText(this, "点击了我认识的人按钮", Toast.LENGTH_SHORT).show();
- break;
- case R.id.btn_login:
- Toast.makeText(this, "点击了登录按钮", Toast.LENGTH_SHORT).show();
- break;
- default:
- break;
- }
- }
- }