├── .gitignore ├── LICENSE ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── beiing │ │ └── twopagelayout │ │ └── ApplicationTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── beiing │ │ │ └── twopagelayout │ │ │ ├── MainActivity.java │ │ │ └── widget │ │ │ ├── ScrollEndScrollView.java │ │ │ └── TwoPageLayout.java │ └── res │ │ ├── layout │ │ └── activity_main.xml │ │ ├── mipmap-hdpi │ │ └── ic_launcher.png │ │ ├── mipmap-mdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.png │ │ ├── m1.jpg │ │ ├── m10.jpg │ │ ├── m11.jpg │ │ ├── m2.jpg │ │ ├── m3.jpg │ │ ├── m4.jpg │ │ ├── m5.jpg │ │ ├── m6.jpg │ │ ├── m7.jpg │ │ ├── m8.jpg │ │ ├── m9.jpg │ │ └── ruhua.jpg │ │ ├── mipmap-xxhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxxhdpi │ │ └── ic_launcher.png │ │ ├── values-w820dp │ │ └── dimens.xml │ │ └── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── beiing │ └── twopagelayout │ └── ExampleUnitTest.java ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── screenshot └── sh.gif └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea 6 | .DS_Store 7 | /build 8 | /captures 9 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # TwoPageLayout 2 | 重写LinearLayout，仿淘宝商品详情页，上拉查看更多详情 3 | 4 | ![效果图](https://github.com/LineChen/TwoPageLayout/blob/master/screenshot/sh.gif) 5 | 6 | ##使用 7 | 8 | - 布局:TwoPageLayout作为父布局，内部有且只能有两个子控件ScrollEndScrollView 9 | 10 | ```java 11 | 14 | 15 | 19 | 20 | 24 | 30 | 31 | 37 | 38 | 44 | 45 | 51 | 52 | 58 | 59 | 65 | 66 | 74 | 75 | 76 | 77 | 78 | 79 | 82 | 83 | 87 | 93 | 94 | 100 | 101 | 107 | 108 | 114 | 115 | 121 | 122 | 128 | 129 | 137 | 138 | 139 | 140 | 141 | 142 | 143 | 144 | ``` 145 | 146 | ## [详细介绍请看：自定义LinearLayout实现淘宝详情页](http://blog.csdn.net/u011102153/article/details/52703119) 147 | 148 | #License 149 | 150 | ``` 151 | Copyright 2016 LineChen <15764230067@163.com> 152 | 153 | Licensed under the Apache License, Version 2.0 (the "License"); 154 | you may not use this file except in compliance with the License. 155 | You may obtain a copy of the License at 156 | 157 | http://www.apache.org/licenses/LICENSE-2.0 158 | 159 | Unless required by applicable law or agreed to in writing, software 160 | distributed under the License is distributed on an "AS IS" BASIS, 161 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 162 | See the License for the specific language governing permissions and 163 | limitations under the License. 164 | ``` 165 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 23 5 | buildToolsVersion "23.0.3" 6 | 7 | defaultConfig { 8 | applicationId "com.beiing.twopagelayout" 9 | minSdkVersion 15 10 | targetSdkVersion 23 11 | versionCode 1 12 | versionName "1.0" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | compile fileTree(dir: 'libs', include: ['*.jar']) 24 | testCompile 'junit:junit:4.12' 25 | compile 'com.android.support:appcompat-v7:23.1.1' 26 | } 27 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in D:\develope_software\AndroidSDK/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/beiing/twopagelayout/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package com.beiing.twopagelayout; 2 | 3 | import android.app.Application; 4 | import android.test.ApplicationTestCase; 5 | 6 | /** 7 | * Testing Fundamentals 8 | */ 9 | public class ApplicationTest extends ApplicationTestCase { 10 | public ApplicationTest() { 11 | super(Application.class); 12 | } 13 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /app/src/main/java/com/beiing/twopagelayout/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.beiing.twopagelayout; 2 | 3 | import android.support.v7.app.AppCompatActivity; 4 | import android.os.Bundle; 5 | import android.view.View; 6 | import android.widget.Toast; 7 | 8 | public class MainActivity extends AppCompatActivity { 9 | 10 | @Override 11 | protected void onCreate(Bundle savedInstanceState) { 12 | super.onCreate(savedInstanceState); 13 | setContentView(R.layout.activity_main); 14 | } 15 | 16 | public void onClick(View view) { 17 | Toast.makeText(MainActivity.this, "don't cancel.", Toast.LENGTH_SHORT).show(); 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /app/src/main/java/com/beiing/twopagelayout/widget/ScrollEndScrollView.java: -------------------------------------------------------------------------------- 1 | package com.beiing.twopagelayout.widget; 2 | 3 | import android.content.Context; 4 | import android.util.AttributeSet; 5 | import android.util.Log; 6 | import android.view.View; 7 | import android.widget.ScrollView; 8 | 9 | public class ScrollEndScrollView extends ScrollView { 10 | 11 | private OnScrollEndListener mOnScrollBottomListener; 12 | 13 | public ScrollEndScrollView(Context context) { 14 | super(context); 15 | } 16 | 17 | public ScrollEndScrollView(Context context, AttributeSet attrs) { 18 | super(context, attrs); 19 | } 20 | 21 | public ScrollEndScrollView(Context context, AttributeSet attrs, int defStyleAttr) { 22 | super(context, attrs, defStyleAttr); 23 | } 24 | 25 | @Override 26 | protected void onScrollChanged(int l, int t, int oldl, int oldt) { 27 | super.onScrollChanged(l, t, oldl, oldt); 28 | if(t == 0){ 29 | if (mOnScrollBottomListener != null) { 30 | mOnScrollBottomListener.scrollToTop(this); 31 | } 32 | } else if(t + getMeasuredHeight() >= getChildAt(0).getMeasuredHeight()){ 33 | if (mOnScrollBottomListener != null) { 34 | mOnScrollBottomListener.scrollToBottom(this); 35 | } 36 | } else { 37 | if (mOnScrollBottomListener != null) { 38 | mOnScrollBottomListener.scrollToMiddle(this); 39 | } 40 | } 41 | } 42 | 43 | public void addOnScrollEndListener(OnScrollEndListener mOnScrollBottomListener) { 44 | this.mOnScrollBottomListener = mOnScrollBottomListener; 45 | } 46 | 47 | public interface OnScrollEndListener { 48 | void scrollToBottom(View view); 49 | void scrollToTop(View view); 50 | void scrollToMiddle(View view); 51 | } 52 | } 53 | -------------------------------------------------------------------------------- /app/src/main/java/com/beiing/twopagelayout/widget/TwoPageLayout.java: -------------------------------------------------------------------------------- 1 | package com.beiing.twopagelayout.widget; 2 | 3 | import android.content.Context; 4 | import android.graphics.Color; 5 | import android.util.AttributeSet; 6 | import android.util.Log; 7 | import android.view.MotionEvent; 8 | import android.view.View; 9 | import android.view.ViewGroup; 10 | import android.widget.LinearLayout; 11 | import android.widget.Scroller; 12 | 13 | /** 14 | * Created by chenliu on 2016/9/28.
15 | * 描述：淘宝详情页 16 | *
17 | */ 18 | public class TwoPageLayout extends LinearLayout { 19 | 20 | private ScrollEndScrollView scrollView1; 21 | 22 | private ScrollEndScrollView scrollView2; 23 | 24 | /** 25 | * scrollView1是否滚动到底部 26 | */ 27 | private boolean isToBotttom; 28 | 29 | /** 30 | * scrollView2是否滚动到顶部 31 | */ 32 | private boolean isToTop; 33 | 34 | 35 | /** 36 | * 第一页是否大于一屏 37 | */ 38 | private boolean isOverScreen; 39 | 40 | 41 | private Scroller mScroller; //滑动控制器 42 | 43 | private int mMoveY; 44 | private int mLastY; 45 | 46 | private int TO_NEXT_PAGE_HEIGHT = 400;//当再移动这个距离，就移动到下一页 47 | 48 | private byte pageIndex = 0; 49 | 50 | public TwoPageLayout(Context context) { 51 | this(context, null, 0); 52 | } 53 | 54 | public TwoPageLayout(Context context, AttributeSet attrs) { 55 | this(context, attrs, 0); 56 | } 57 | 58 | public TwoPageLayout(Context context, AttributeSet attrs, int defStyleAttr) { 59 | super(context, attrs, defStyleAttr); 60 | init(context); 61 | } 62 | 63 | private void init(Context context) { 64 | setOrientation(VERTICAL); 65 | mScroller = new Scroller(context); 66 | } 67 | 68 | @Override 69 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 70 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); 71 | /** 72 | * 显示调用第二个自孩子的测量方法，不然尺寸有可能为0 73 | */ 74 | View child2 = getChildAt(1); 75 | if (child2 != null) { 76 | child2.measure(widthMeasureSpec, heightMeasureSpec); 77 | } 78 | 79 | isOverScreen = !(scrollView1.getChildAt(0).getMeasuredHeight() <= MeasureSpec.getSize(heightMeasureSpec)); 80 | } 81 | 82 | @Override 83 | protected void onFinishInflate() { 84 | super.onFinishInflate(); 85 | if(getChildCount() == 2){ 86 | View child1 = getChildAt(0); 87 | if (child1 instanceof ScrollEndScrollView){ 88 | scrollView1 = (ScrollEndScrollView) child1; 89 | //强制设置第一页为MATCH_PARENT，不然当小于屏幕高度时，第二页会显示出来 90 | LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT); 91 | scrollView1.setLayoutParams(layoutParams); 92 | } 93 | View child2 = getChildAt(1); 94 | if(child2 instanceof ScrollEndScrollView){ 95 | scrollView2 = (ScrollEndScrollView) child2; 96 | } 97 | } 98 | 99 | initEvent(); 100 | } 101 | 102 | private void initEvent() { 103 | if (scrollView1 != null) { 104 | scrollView1.addOnScrollEndListener(scrollEndListener); 105 | } 106 | if (scrollView2 != null) { 107 | scrollView2.addOnScrollEndListener(scrollEndListener); 108 | } 109 | } 110 | 111 | private ScrollEndScrollView.OnScrollEndListener scrollEndListener = new ScrollEndScrollView.OnScrollEndListener() { 112 | @Override 113 | public void scrollToBottom(View view) { 114 | if(view == scrollView1){ 115 | isToBotttom = true; 116 | } 117 | } 118 | 119 | @Override 120 | public void scrollToTop(View view) { 121 | if(view == scrollView2){ 122 | isToTop = true; 123 | } 124 | } 125 | 126 | @Override 127 | public void scrollToMiddle(View view) { 128 | if(view == scrollView1){ 129 | isToBotttom = false; 130 | } 131 | if(view == scrollView2){ 132 | isToTop = false; 133 | } 134 | } 135 | }; 136 | 137 | 138 | @Override 139 | public boolean onInterceptTouchEvent(MotionEvent ev) { 140 | int action = ev.getAction(); 141 | int yPosition = (int) ev.getY(); 142 | switch (action) { 143 | case MotionEvent.ACTION_DOWN: 144 | mScroller.abortAnimation(); 145 | mLastY = yPosition; 146 | mMoveY = 0; 147 | break; 148 | case MotionEvent.ACTION_MOVE: 149 | mMoveY = (mLastY - yPosition); 150 | mLastY = yPosition; 151 | 152 | if(!isOverScreen && pageIndex == 0){ 153 | // if(mMoveY < 0){ 154 | // // 向下 155 | // isToTop = true; 156 | // isToBotttom = false; 157 | // } else if(mMoveY > 0){ 158 | // isToTop = false; 159 | // isToBotttom = true; 160 | // } 161 | 162 | isToBotttom = true; 163 | } 164 | 165 | if(isToBotttom){ 166 | if(mMoveY > 0){ 167 | //向上 168 | smoothScrollBy(0, mMoveY); 169 | return true; 170 | } else { 171 | //向下 172 | if(mScroller.getFinalY() != 0){ 173 | //这是出于第一页和第二页显示连接处 174 | if(getScrollY() + mMoveY > 0){ 175 | smoothScrollBy(0, mMoveY); 176 | return true; 177 | } else{ 178 | smoothScrollTo(0, 0); 179 | } 180 | } 181 | } 182 | } 183 | else if(isToTop){ 184 | if(mMoveY < 0){ 185 | //向下 186 | smoothScrollBy(0, mMoveY); 187 | return true; 188 | } else { 189 | //向上 190 | if(mScroller.getFinalY() < scrollView1.getHeight()){ 191 | //这是出于第一页和第二页显示连接处 192 | smoothScrollBy(0, mMoveY); 193 | return true; 194 | } else { 195 | smoothScrollTo(0, scrollView1.getHeight()); 196 | } 197 | } 198 | } 199 | break; 200 | } 201 | 202 | return super.onInterceptTouchEvent(ev); 203 | } 204 | 205 | /** 206 | * @param ev 207 | * @return 208 | */ 209 | @Override 210 | public boolean onTouchEvent(MotionEvent ev) { 211 | int action = ev.getAction(); 212 | int yPosition = (int) ev.getY(); 213 | switch (action) { 214 | case MotionEvent.ACTION_DOWN: 215 | mScroller.abortAnimation(); 216 | mLastY = yPosition; 217 | mMoveY = 0; 218 | break; 219 | case MotionEvent.ACTION_MOVE: 220 | mMoveY = (mLastY - yPosition); 221 | mLastY = yPosition; 222 | if(isToBotttom){ 223 | if(mMoveY > 0){ 224 | //向上 225 | smoothScrollBy(0, mMoveY); 226 | return true; 227 | } else { 228 | //向下 229 | if(mScroller.getFinalY() != 0){ 230 | //这是出于第一页和第二页显示连接处 231 | if(getScrollY() + mMoveY > 0){ 232 | smoothScrollBy(0, mMoveY); 233 | return true; 234 | } else{ 235 | smoothScrollTo(0, 0); 236 | } 237 | } 238 | } 239 | } 240 | else if(isToTop){ 241 | if(mMoveY < 0){ 242 | //向下 243 | smoothScrollBy(0, mMoveY); 244 | return true; 245 | } else { 246 | //向上 247 | if(mScroller.getFinalY() < scrollView1.getHeight()){ 248 | //这是出于第一页和第二页显示连接处 249 | smoothScrollBy(0, mMoveY); 250 | return true; 251 | } else { 252 | smoothScrollTo(0, scrollView1.getHeight()); 253 | } 254 | } 255 | } 256 | 257 | //处理快速滑动时两页覆盖问题 258 | if(pageIndex == 0){ 259 | smoothScrollTo(0, 0); 260 | } else if(pageIndex == 1){ 261 | smoothScrollTo(0, scrollView1.getHeight()); 262 | } 263 | 264 | break; 265 | 266 | case MotionEvent.ACTION_UP: 267 | case MotionEvent.ACTION_CANCEL: 268 | if(isToBotttom){ 269 | if(Math.abs(getScrollY()) > TO_NEXT_PAGE_HEIGHT){ 270 | //移动到第二页 271 | pageIndex = 1; 272 | smoothScrollTo(0, scrollView1.getHeight()); 273 | isToBotttom = false; 274 | isToTop = true; 275 | } else { 276 | //回弹 277 | smoothScrollBy(0, -mScroller.getFinalY()); 278 | } 279 | } else if(isToTop){ 280 | if(scrollView1.getHeight() - getScrollY() > TO_NEXT_PAGE_HEIGHT){ 281 | //移动到第一页 282 | pageIndex = 0; 283 | smoothScrollTo(0, 0); 284 | isToBotttom = true; 285 | isToTop = false; 286 | } else { 287 | //回弹 288 | smoothScrollTo(0, scrollView1.getHeight()); 289 | } 290 | } 291 | 292 | break; 293 | default: 294 | break; 295 | } 296 | 297 | return super.onTouchEvent(ev); 298 | } 299 | 300 | @Override 301 | public void computeScroll() { 302 | super.computeScroll(); 303 | //先判断mScroller滚动是否完成 304 | if (mScroller.computeScrollOffset()) { 305 | //这里调用View的scrollTo()完成实际的滚动 306 | scrollTo(mScroller.getCurrX(), mScroller.getCurrY()); 307 | //必须调用该方法，否则不一定能看到滚动效果 308 | postInvalidate(); 309 | } 310 | } 311 | 312 | //调用此方法滚动到目标位置 313 | public void smoothScrollTo(int fx, int fy) { 314 | int dx = fx - mScroller.getFinalX(); 315 | int dy = fy - mScroller.getFinalY(); 316 | smoothScrollBy(dx, dy); 317 | } 318 | 319 | //调用此方法设置滚动的相对偏移 320 | public void smoothScrollBy(int dx, int dy) { 321 | //设置mScroller的滚动偏移量 322 | mScroller.startScroll(mScroller.getFinalX(), mScroller.getFinalY(), dx, dy, Math.max(300, Math.abs(dy))); 323 | invalidate();//这里必须调用invalidate()才能保证computeScroll()会被调用，否则不一定会刷新界面，看不到滚动效果 324 | } 325 | } 326 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 11 | 15 | 16 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 54 | 55 | 61 | 62 |