├── .gitignore ├── .idea ├── codeStyles │ └── Project.xml ├── gradle.xml ├── misc.xml ├── modules.xml └── runConfigurations.xml ├── LICENSE ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── study │ │ └── yang │ │ └── stackcardviewgroup │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── study │ │ │ └── yang │ │ │ └── stackcardviewgroup │ │ │ ├── DefineConfig.java │ │ │ ├── DefineLeftLayoutManager.java │ │ │ ├── DefineRightLayoutManager.java │ │ │ ├── DefineStackAdapter.java │ │ │ ├── Main2Activity.java │ │ │ └── MainActivity.java │ └── res │ │ ├── animator │ │ └── item_animator.xml │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable-xxhdpi │ │ ├── ic_app_logo.png │ │ └── quick_question_num.png │ │ ├── drawable │ │ ├── circle_shape.xml │ │ ├── ic_launcher_background.xml │ │ ├── quick_follow_question_rectangle.xml │ │ ├── superposition_item_shape_1.xml │ │ ├── superposition_item_shape_2.xml │ │ └── superposition_item_shape_3.xml │ │ ├── layout │ │ ├── activity_main.xml │ │ ├── activity_main2.xml │ │ ├── include_item_card.xml │ │ ├── item_card.xml │ │ ├── superposition_item_card.xml │ │ └── vertical_item_card.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ └── values │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── study │ └── yang │ └── stackcardviewgroup │ └── ExampleUnitTest.java ├── build.gradle ├── gif └── 1553694295757.gif ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # Files for the ART/Dalvik VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # Generated files 12 | bin/ 13 | gen/ 14 | out/ 15 | 16 | # Gradle files 17 | .gradle/ 18 | build/ 19 | 20 | # Local configuration file (sdk path, etc) 21 | local.properties 22 | 23 | # Proguard folder generated by Eclipse 24 | proguard/ 25 | 26 | # Log Files 27 | *.log 28 | 29 | # Android Studio Navigation editor temp files 30 | .navigation/ 31 | 32 | # Android Studio captures folder 33 | captures/ 34 | 35 | # IntelliJ 36 | *.iml 37 | .idea/workspace.xml 38 | .idea/tasks.xml 39 | .idea/gradle.xml 40 | .idea/assetWizardSettings.xml 41 | .idea/dictionaries 42 | .idea/libraries 43 | .idea/caches 44 | 45 | # Keystore files 46 | # Uncomment the following line if you do not want to check your keystore files in. 47 | #*.jks 48 | 49 | # External native build folder generated in Android Studio 2.2 and later 50 | .externalNativeBuild 51 | 52 | # Google Services (e.g. APIs or Firebase) 53 | google-services.json 54 | 55 | # Freeline 56 | freeline.py 57 | freeline/ 58 | freeline_project_description.json 59 | 60 | # fastlane 61 | fastlane/report.xml 62 | fastlane/Preview.html 63 | fastlane/screenshots 64 | fastlane/test_output 65 | fastlane/readme.md 66 | -------------------------------------------------------------------------------- /.idea/codeStyles/Project.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 15 | 16 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 17 | 18 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 19 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /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. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. For the purposes of this definition, 18 | "control" means (i) the power, direct or indirect, to cause the 19 | direction or management of such entity, whether by contract or 20 | otherwise, or (ii) ownership of fifty percent (50%) or more of the 21 | outstanding shares, or (iii) beneficial ownership of such entity. 22 | 23 | "You" (or "Your") shall mean an individual or Legal Entity 24 | exercising permissions granted by this License. 25 | 26 | "Source" form shall mean the preferred form for making modifications, 27 | including but not limited to software source code, documentation 28 | source, and configuration files. 29 | 30 | "Object" form shall mean any form resulting from mechanical 31 | transformation or translation of a Source form, including but 32 | not limited to compiled object code, generated documentation, 33 | and conversions to other media types. 34 | 35 | "Work" shall mean the work of authorship, whether in Source or 36 | Object form, made available under the License, as indicated by a 37 | copyright notice that is included in or attached to the work 38 | (an example is provided in the Appendix below). 39 | 40 | "Derivative Works" shall mean any work, whether in Source or Object 41 | form, that is based on (or derived from) the Work and for which the 42 | editorial revisions, annotations, elaborations, or other modifications 43 | represent, as a whole, an original work of authorship. For the purposes 44 | of this License, Derivative Works shall not include works that remain 45 | separable from, or merely link (or bind by name) to the interfaces of, 46 | the Work and Derivative Works thereof. 47 | 48 | "Contribution" shall mean any work of authorship, including 49 | the original version of the Work and any modifications or additions 50 | to that Work or Derivative Works thereof, that is intentionally 51 | submitted to Licensor for inclusion in the Work by the copyright owner 52 | or by an individual or Legal Entity authorized to submit on behalf of 53 | the copyright owner. For the purposes of this definition, "submitted" 54 | means any form of electronic, verbal, or written communication sent 55 | to the Licensor or its representatives, including but not limited to 56 | communication on electronic mailing lists, source code control systems, 57 | and issue tracking systems that are managed by, or on behalf of, the 58 | Licensor for the purpose of discussing and improving the Work, but 59 | excluding communication that is conspicuously marked or otherwise 60 | designated in writing by the copyright owner as "Not a Contribution." 61 | 62 | "Contributor" shall mean Licensor and any individual or Legal Entity 63 | on behalf of whom a Contribution has been received by Licensor and 64 | subsequently incorporated within the Work. 65 | 66 | 2. Grant of Copyright License. Subject to the terms and conditions of 67 | this License, each Contributor hereby grants to You a perpetual, 68 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 69 | copyright license to reproduce, prepare Derivative Works of, 70 | publicly display, publicly perform, sublicense, and distribute the 71 | Work and such Derivative Works in Source or Object form. 72 | 73 | 3. Grant of Patent License. Subject to the terms and conditions of 74 | this License, each Contributor hereby grants to You a perpetual, 75 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 76 | (except as stated in this section) patent license to make, have made, 77 | use, offer to sell, sell, import, and otherwise transfer the Work, 78 | where such license applies only to those patent claims licensable 79 | by such Contributor that are necessarily infringed by their 80 | Contribution(s) alone or by combination of their Contribution(s) 81 | with the Work to which such Contribution(s) was submitted. If You 82 | institute patent litigation against any entity (including a 83 | cross-claim or counterclaim in a lawsuit) alleging that the Work 84 | or a Contribution incorporated within the Work constitutes direct 85 | or contributory patent infringement, then any patent licenses 86 | granted to You under this License for that Work shall terminate 87 | as of the date such litigation is filed. 88 | 89 | 4. Redistribution. You may reproduce and distribute copies of the 90 | Work or Derivative Works thereof in any medium, with or without 91 | modifications, and in Source or Object form, provided that You 92 | meet the following conditions: 93 | 94 | (a) You must give any other recipients of the Work or 95 | Derivative Works a copy of this License; and 96 | 97 | (b) You must cause any modified files to carry prominent notices 98 | stating that You changed the files; and 99 | 100 | (c) You must retain, in the Source form of any Derivative Works 101 | that You distribute, all copyright, patent, trademark, and 102 | attribution notices from the Source form of the Work, 103 | excluding those notices that do not pertain to any part of 104 | the Derivative Works; and 105 | 106 | (d) If the Work includes a "NOTICE" text file as part of its 107 | distribution, then any Derivative Works that You distribute must 108 | include a readable copy of the attribution notices contained 109 | within such NOTICE file, excluding those notices that do not 110 | pertain to any part of the Derivative Works, in at least one 111 | of the following places: within a NOTICE text file distributed 112 | as part of the Derivative Works; within the Source form or 113 | documentation, if provided along with the Derivative Works; or, 114 | within a display generated by the Derivative Works, if and 115 | wherever such third-party notices normally appear. The contents 116 | of the NOTICE file are for informational purposes only and 117 | do not modify the License. You may add Your own attribution 118 | notices within Derivative Works that You distribute, alongside 119 | or as an addendum to the NOTICE text from the Work, provided 120 | that such additional attribution notices cannot be construed 121 | as modifying the License. 122 | 123 | You may add Your own copyright statement to Your modifications and 124 | may provide additional or different license terms and conditions 125 | for use, reproduction, or distribution of Your modifications, or 126 | for any such Derivative Works as a whole, provided Your use, 127 | reproduction, and distribution of the Work otherwise complies with 128 | the conditions stated in this License. 129 | 130 | 5. Submission of Contributions. Unless You explicitly state otherwise, 131 | any Contribution intentionally submitted for inclusion in the Work 132 | by You to the Licensor shall be under the terms and conditions of 133 | this License, without any additional terms or conditions. 134 | Notwithstanding the above, nothing herein shall supersede or modify 135 | the terms of any separate license agreement you may have executed 136 | with Licensor regarding such Contributions. 137 | 138 | 6. Trademarks. This License does not grant permission to use the trade 139 | names, trademarks, service marks, or product names of the Licensor, 140 | except as required for reasonable and customary use in describing the 141 | origin of the Work and reproducing the content of the NOTICE file. 142 | 143 | 7. Disclaimer of Warranty. Unless required by applicable law or 144 | agreed to in writing, Licensor provides the Work (and each 145 | Contributor provides its Contributions) on an "AS IS" BASIS, 146 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 147 | implied, including, without limitation, any warranties or conditions 148 | of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A 149 | PARTICULAR PURPOSE. You are solely responsible for determining the 150 | appropriateness of using or redistributing the Work and assume any 151 | risks associated with Your exercise of permissions under this License. 152 | 153 | 8. Limitation of Liability. In no event and under no legal theory, 154 | whether in tort (including negligence), contract, or otherwise, 155 | unless required by applicable law (such as deliberate and grossly 156 | negligent acts) or agreed to in writing, shall any Contributor be 157 | liable to You for damages, including any direct, indirect, special, 158 | incidental, or consequential damages of any character arising as a 159 | result of this License or out of the use or inability to use the 160 | Work (including but not limited to damages for loss of goodwill, 161 | work stoppage, computer failure or malfunction, or any and all 162 | other commercial damages or losses), even if such Contributor 163 | has been advised of the possibility of such damages. 164 | 165 | 9. Accepting Warranty or Additional Liability. While redistributing 166 | the Work or Derivative Works thereof, You may choose to offer, 167 | and charge a fee for, acceptance of support, warranty, indemnity, 168 | or other liability obligations and/or rights consistent with this 169 | License. However, in accepting such obligations, You may act only 170 | on Your own behalf and on Your sole responsibility, not on behalf 171 | of any other Contributor, and only if You agree to indemnify, 172 | defend, and hold each Contributor harmless for any liability 173 | incurred by, or claims asserted against, such Contributor by reason 174 | of your accepting any such warranty or additional liability. 175 | 176 | END OF TERMS AND CONDITIONS 177 | 178 | APPENDIX: How to apply the Apache License to your work. 179 | 180 | To apply the Apache License to your work, attach the following 181 | boilerplate notice, with the fields enclosed by brackets "[]" 182 | replaced with your own identifying information. (Don't include 183 | the brackets!) The text should be enclosed in the appropriate 184 | comment syntax for the file format. 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 | # StackCardViewGroup 2 | 自定义LayoutManager实现卡片叠加控件
3 | 效果图
4 |
5 | 6 |
7 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 28 5 | defaultConfig { 6 | applicationId "study.yang.stackcardviewgroup" 7 | minSdkVersion 19 8 | targetSdkVersion 28 9 | versionCode 1 10 | versionName "1.0" 11 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 12 | } 13 | buildTypes { 14 | release { 15 | minifyEnabled false 16 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 17 | } 18 | } 19 | } 20 | 21 | dependencies { 22 | implementation fileTree(dir: 'libs', include: ['*.jar']) 23 | implementation 'com.android.support:appcompat-v7:28.0.0' 24 | testImplementation 'junit:junit:4.12' 25 | androidTestImplementation 'com.android.support.test:runner:1.0.2' 26 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2' 27 | 28 | implementation 'com.jakewharton:butterknife:8.8.1' 29 | annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1' 30 | implementation 'com.github.bumptech.glide:glide:3.8.0' 31 | implementation 'com.makeramen:roundedimageview:2.3.0' 32 | implementation 'com.android.support:recyclerview-v7:28.0.0' 33 | implementation 'com.android.support:cardview-v7:28.0.0' 34 | api 'de.hdodenhof:circleimageview:2.2.0' 35 | } 36 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile 22 | -------------------------------------------------------------------------------- /app/src/androidTest/java/study/yang/stackcardviewgroup/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package study.yang.stackcardviewgroup; 2 | 3 | import android.content.Context; 4 | import android.support.test.InstrumentationRegistry; 5 | import android.support.test.runner.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumented test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("study.yang.stackcardviewgroup", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 4 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /app/src/main/java/study/yang/stackcardviewgroup/DefineConfig.java: -------------------------------------------------------------------------------- 1 | package study.yang.stackcardviewgroup; 2 | 3 | import android.support.annotation.FloatRange; 4 | import android.support.annotation.IntRange; 5 | 6 | 7 | /** 8 | * 布局管理器的配置参数 9 | */ 10 | public class DefineConfig { 11 | 12 | @IntRange(from = 2) 13 | public int space = 60; 14 | public int initialStackCount = 0; 15 | @FloatRange(from = 0f, to = 1f) 16 | public float scaleRatio; 17 | 18 | 19 | } 20 | -------------------------------------------------------------------------------- /app/src/main/java/study/yang/stackcardviewgroup/DefineLeftLayoutManager.java: -------------------------------------------------------------------------------- 1 | package study.yang.stackcardviewgroup; 2 | 3 | import android.animation.Animator; 4 | import android.animation.AnimatorListenerAdapter; 5 | import android.animation.ObjectAnimator; 6 | import android.content.Context; 7 | import android.support.v4.view.ViewCompat; 8 | import android.support.v7.widget.RecyclerView; 9 | import android.util.DisplayMetrics; 10 | import android.util.Log; 11 | import android.view.MotionEvent; 12 | import android.view.VelocityTracker; 13 | import android.view.View; 14 | import android.view.ViewConfiguration; 15 | import android.view.ViewGroup; 16 | 17 | import java.lang.reflect.InvocationTargetException; 18 | import java.lang.reflect.Method; 19 | 20 | 21 | public class DefineLeftLayoutManager extends RecyclerView.LayoutManager { 22 | 23 | /** 24 | * 基准控件的宽度 25 | */ 26 | private int mDecorateWidth; 27 | /** 28 | * 基准控件的高度 29 | */ 30 | private int mDecorateHeight; 31 | /** 32 | * 默认间隔,单位为px 33 | */ 34 | private int space = 45; 35 | /** 36 | * 默认展示数量 37 | */ 38 | private int initStackCount = 3; 39 | /** 40 | * 手机屏幕宽度 41 | */ 42 | private int widthPixels; 43 | /** 44 | * 手机屏幕高度 45 | */ 46 | private final int heightPixels; 47 | /** 48 | * 以基准尺寸为基数的缩放比例 49 | */ 50 | private float scaleRatio = 0.2f; 51 | 52 | /** 53 | * 总的偏移量 54 | */ 55 | private int mTotalOffsetDx = 0; 56 | /** 57 | * 第一个可视item的下标 58 | */ 59 | private int currentIndex = 0; 60 | /** 61 | * 最后一个可视item的下标,最后一个item的透明度为0 62 | */ 63 | private int endIndex = 0; 64 | 65 | //基准值的比例 66 | private float referenceValue = 0f; 67 | //缩放和平移的系数 68 | private float k = 0f; 69 | //速度跟踪者 70 | private VelocityTracker mVelocityTracker = VelocityTracker.obtain(); 71 | //动画处理 72 | private ObjectAnimator animator; 73 | /** 74 | * 动画的偏移值 75 | */ 76 | private int animateValue; 77 | 78 | private int duration = 300; 79 | private int lastAnimateValue; 80 | /** 81 | * 判断指针ID 82 | */ 83 | private int pointerId; 84 | /** 85 | * 水平方向上的最低速度 86 | */ 87 | private int mMinVelocityX; 88 | 89 | private RecyclerView.Recycler recycler; 90 | private RecyclerView.State state; 91 | private Context context; 92 | 93 | 94 | public DefineLeftLayoutManager(Context context, DefineConfig defineConfig) { 95 | this.context = context; 96 | space = defineConfig.space; 97 | initStackCount = defineConfig.initialStackCount; 98 | scaleRatio = defineConfig.scaleRatio; 99 | DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics(); 100 | widthPixels = displayMetrics.widthPixels; 101 | heightPixels = displayMetrics.heightPixels; 102 | } 103 | 104 | @Override 105 | public RecyclerView.LayoutParams generateDefaultLayoutParams() { 106 | return new RecyclerView.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); 107 | } 108 | 109 | @Override 110 | public boolean isAutoMeasureEnabled() { 111 | return true; 112 | } 113 | 114 | @Override 115 | public void onLayoutChildren(RecyclerView.Recycler recycler, RecyclerView.State state) { 116 | /** 117 | * 当adapter中的子View数目为0时解绑recycler中的控件 118 | */ 119 | if (getItemCount() == 0) { 120 | detachAndScrapAttachedViews(recycler); 121 | return; 122 | } 123 | /** 124 | * state.isPreLayout判断layoutManager执行到哪一个哪一个阶段 125 | * 返回true表示执行到预布局阶段 126 | */ 127 | if (getChildCount() == 0 && state.isPreLayout()) { 128 | return; 129 | } 130 | if (getChildCount() == 0) { 131 | View scrap = recycler.getViewForPosition(0); 132 | /** 133 | * 获取执行一个fling操作的最小速度 134 | */ 135 | mMinVelocityX = ViewConfiguration.get(scrap.getContext()).getScaledMinimumFlingVelocity(); 136 | measureChildWithMargins(scrap, 0, 0); 137 | //根据给定的space以及initStackCount换算出第一个View的宽度 138 | mDecorateWidth = widthPixels - (initStackCount + 1) * space;// getDecoratedMeasurementHorizontal(scrap); 139 | //获取控件的高度 140 | mDecorateHeight = getDecoratedMeasuredHeight(scrap); 141 | //给基准值赋值 142 | referenceValue = scaleRatio * mDecorateWidth + space; 143 | k = space * 1.0f / referenceValue; 144 | 145 | } 146 | 147 | //初始化时调用 填充childView 148 | fill(0, recycler, state); 149 | } 150 | 151 | private int fill(int dx, RecyclerView.Recycler recycler, RecyclerView.State state) { 152 | 153 | try { 154 | /** 155 | * 第一个可视itemView的下标等于0且mTotalOffsetDx的值等于且继续往右滑动时不处理 156 | * 偏移总量除于基准值得到的结果大于等于adapter最后一个item下标且dx>0时不处理 157 | */ 158 | if ((currentIndex == 0 && dx < 0 && mTotalOffsetDx == 0)/*||mTotalOffsetDx< 0 */ || (mTotalOffsetDx / referenceValue >= getItemCount() - 1 && dx > 0)) { 159 | return 0; 160 | } 161 | //避免滑动过快,所以每次除以基准值求余 162 | mTotalOffsetDx += (dx % referenceValue); 163 | //解绑RecyclerView上的View,调用此方法之后getChildCount为0 164 | detachAndScrapAttachedViews(recycler); 165 | currentIndex = (int) (mTotalOffsetDx / referenceValue); 166 | //计算尾部下标 167 | int compute = currentIndex + initStackCount; 168 | endIndex = compute >= getItemCount() ? getItemCount() - 1 : compute; 169 | 170 | for (int i = currentIndex; i <= endIndex; i++) { 171 | 172 | //获取当前位置的控件 173 | View view = recycler.getViewForPosition(i); 174 | 175 | 176 | addView(view);//现在重新添加 177 | //测量子控件的上下左右的位置 178 | measureChildWithMargins(view, 0, 0); 179 | 180 | int rightMargin = (initStackCount - (i - currentIndex)) * space; 181 | float scale = 1 - (i - currentIndex) * scaleRatio; 182 | int currentWidth = calculateCurrentWidth(i, scale); 183 | int currentHeight = calculateCurrentHeight(i, scale); 184 | 185 | /** 186 | * - scaleX * offsetDx将水平移动的偏移量跟子控件向左偏移的速度联系起来 187 | */ 188 | int left = 0;//(i + 1) * space;// 189 | float offsetDx = mTotalOffsetDx % referenceValue; 190 | 191 | if (currentIndex == i) { 192 | left = (int) (widthPixels - mDecorateWidth - rightMargin - offsetDx); 193 | } else { 194 | left = (int) (widthPixels - currentWidth - rightMargin - k * offsetDx); 195 | } 196 | 197 | if (left < space && i == getItemCount() - 1) { 198 | left = space; 199 | mTotalOffsetDx = (int) (referenceValue * (getItemCount() - 1)); 200 | } else if (left > space && i == 0) { 201 | left = space; 202 | mTotalOffsetDx = 0; 203 | } 204 | 205 | int right = left + currentWidth; 206 | 207 | 208 | /** 209 | * 以自身为基准点 210 | */ 211 | view.setPivotX(getDecoratedMeasuredWidth(view)); 212 | view.setPivotY(getDecoratedMeasuredHeight(view) * 1.0f / 2); 213 | view.setScaleX(currentWidth * 1.0f / getDecoratedMeasuredWidth(view)); 214 | view.setScaleY(currentWidth * 1.0f / getDecoratedMeasuredWidth(view)); 215 | layoutDecoratedWithMargins(view, right - getDecoratedMeasuredWidth(view), 0, right, getDecoratedMeasuredHeight(view)); 216 | 217 | //setTranslationZ存在BUG,elevation是z轴上的静态值而translationZ是z轴上的动态值 218 | //此处的elevation过高的话会导致控件阴影过大 219 | ViewCompat.setElevation(view, currentHeight * 0.0001f); 220 | 221 | 222 | //正常下标移动的时候透明度走if,反之走else 223 | if (endIndex - currentIndex == initStackCount) { 224 | if (i == currentIndex) { 225 | view.setAlpha(1 - offsetDx / referenceValue); 226 | } else if (i == endIndex /*&& endIndex != getItemCount() - 1*/) { ///*&& endIndex != getItemCount() - 1*/不能要,否则到最后四条时显示不出来最后一个 227 | view.setAlpha(offsetDx / referenceValue); 228 | } else { 229 | view.setAlpha(1); 230 | } 231 | } else {//处理小于initStackCount个数的可视itemView的透明度处理 232 | if (i == currentIndex) { 233 | view.setAlpha(1 - offsetDx / referenceValue); 234 | } else { 235 | view.setAlpha(1); 236 | } 237 | } 238 | } 239 | return dx; 240 | } catch (IndexOutOfBoundsException e) { 241 | e.printStackTrace(); 242 | } 243 | return 0; 244 | 245 | } 246 | 247 | /** 248 | * 计算当前控件的宽度 249 | * 250 | * @param position 251 | * @param scale 为1时,widthSpace为0 252 | * @return 253 | */ 254 | private int calculateCurrentWidth(int position, float scale) { 255 | float offsetDx = mTotalOffsetDx % referenceValue; 256 | if (offsetDx > 0/* && offsetDx <= referenceValue*/) { 257 | if (currentIndex == position) { 258 | scale = 1 - offsetDx / referenceValue; 259 | } else { 260 | //临时的偏移比例 261 | float tempRatio = offsetDx * scaleRatio / referenceValue; 262 | //临时的缩放比例 263 | float tempScaleX = scale + tempRatio; 264 | scale = tempScaleX >= 1 ? 1f : tempScaleX; 265 | } 266 | } 267 | return (int) (mDecorateWidth * scale); 268 | } 269 | 270 | private int calculateCurrentHeight(int position, float scale) { 271 | float offsetDx = mTotalOffsetDx % referenceValue; 272 | if (offsetDx > 0 /*&& offsetDx <= referenceValue*/) { 273 | if (currentIndex == position) { 274 | scale = 1 - offsetDx * 1.0f / referenceValue; 275 | } else { 276 | /** 277 | * scaleX + offsetDx * 1.0f / heightSpace用来计算在scale的基础之上来重新制定scaleY 278 | */ 279 | float tempRatio = offsetDx * scaleRatio / referenceValue; 280 | float tempScaleY = scale + tempRatio; 281 | scale = tempScaleY >= 1 ? 1f : tempScaleY; 282 | } 283 | } 284 | return (int) (mDecorateHeight * scale); 285 | } 286 | 287 | @Override 288 | public void onAdapterChanged(RecyclerView.Adapter oldAdapter, RecyclerView.Adapter newAdapter) { 289 | super.onAdapterChanged(oldAdapter, newAdapter); 290 | } 291 | 292 | @Override 293 | public boolean canScrollHorizontally() { 294 | return true; 295 | } 296 | 297 | 298 | public int findLastVisibleItemPosition() { 299 | View childAt = getChildAt(0); 300 | return getPosition(childAt); 301 | } 302 | 303 | 304 | /** 305 | * action_move时会调用该方法 306 | * 307 | * @param dx 308 | * @param recycler 309 | * @param state 310 | * @return 311 | */ 312 | @Override 313 | public int scrollHorizontallyBy(int dx, RecyclerView.Recycler recycler, RecyclerView.State state) { 314 | this.recycler = recycler; 315 | this.state = state; 316 | recyclerUnVisibleView(recycler, dx); 317 | fill(dx, recycler, state); 318 | return dx; 319 | } 320 | 321 | 322 | /** 323 | * 回收不可见的childview 324 | */ 325 | private void recyclerUnVisibleView(RecyclerView.Recycler recycler, int dx) { 326 | if (getChildCount() > 0) { 327 | //得到第一个可见的View 328 | 329 | if (dx > 0) {//向左 330 | View firstView = getChildAt(0); 331 | if (firstView.getWidth() < space) { 332 | //从RecycleView中移除View,将view给与给定的Recycler从而达到复用的目的 333 | removeAndRecycleView(firstView, recycler); 334 | } 335 | //得到第一个可见View在Adapter中的位置 336 | } else if (dx < 0) { 337 | Log.e("childCount", "recycler::中View的个数" + getChildCount()); 338 | } 339 | } 340 | } 341 | 342 | private RecyclerView mRV; 343 | 344 | /** 345 | * 当控件依附于Window时调用 346 | * 347 | * @param view 348 | */ 349 | @Override 350 | public void onAttachedToWindow(RecyclerView view) { 351 | super.onAttachedToWindow(view); 352 | mRV = view; 353 | view.setOnTouchListener(touchListener); 354 | view.setOnFlingListener(flingListener); 355 | } 356 | 357 | 358 | private RecyclerView.OnFlingListener flingListener = new RecyclerView.OnFlingListener() { 359 | /** 360 | * 设置就算是飞滑也只让控件移动一个referenceValue的位置 361 | * @param velocityX 向左滑 velocityX>0 向右滑<0 362 | * @param velocityY 363 | * @return 364 | */ 365 | @Override 366 | public boolean onFling(int velocityX, int velocityY) { 367 | int scrollX; 368 | float offsetDx = mTotalOffsetDx % referenceValue; 369 | int tempScrollX = (int) (referenceValue - offsetDx); 370 | int vel = absMax(velocityX, velocityY); 371 | if (vel > 0) { 372 | //向左快速滑动的时候,补全下一个移动位的距离 373 | scrollX = tempScrollX; 374 | } else { 375 | //向右快速滑动的时候,将总偏移量除以referenceValue的 376 | //余数部分给减去,从而达到mTotalOffsetDx除以referenceValue能够等于整数 377 | scrollX = (int) -offsetDx; 378 | } 379 | 380 | int dur = computeSettleDuration(Math.abs(scrollX), Math.abs(vel)); 381 | brewAndStartAnimator(dur, scrollX); 382 | setScrollStateIdle(); 383 | return true; 384 | } 385 | }; 386 | 387 | /** 388 | * 计算控件停下来的所需要的时间 389 | * 390 | * @param distance 391 | * @param xvel 392 | * @return 393 | */ 394 | private int computeSettleDuration(int distance, float xvel) { 395 | float sWeight = 0.5f * distance / referenceValue; 396 | float velWeight = xvel > 0 ? 0.5f * mMinVelocityX / xvel : 0; 397 | 398 | return (int) ((sWeight + velWeight) * duration); 399 | } 400 | 401 | /** 402 | * 计算飞滑时水平或者竖直方向的最大值 403 | * 404 | * @param a 405 | * @param b 406 | * @return 407 | */ 408 | private int absMax(int a, int b) { 409 | if (Math.abs(a) > Math.abs(b)) 410 | return a; 411 | else return b; 412 | } 413 | 414 | private Method sSetScrollState; 415 | 416 | /** 417 | * 防止滚动的时候中断点击事件 418 | */ 419 | private void setScrollStateIdle() { 420 | try { 421 | if (sSetScrollState == null) 422 | sSetScrollState = RecyclerView.class.getDeclaredMethod("setScrollState", int.class); 423 | sSetScrollState.setAccessible(true); 424 | sSetScrollState.invoke(mRV, RecyclerView.SCROLL_STATE_IDLE); 425 | } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) { 426 | e.printStackTrace(); 427 | } 428 | } 429 | 430 | private View.OnTouchListener touchListener = new View.OnTouchListener() { 431 | 432 | @Override 433 | public boolean onTouch(View v, MotionEvent event) { 434 | //将触摸事件交给速度跟踪者事件 435 | mVelocityTracker.addMovement(event); 436 | switch (event.getAction()) { 437 | case MotionEvent.ACTION_DOWN: 438 | if (animator != null && animator.isRunning()) 439 | animator.cancel(); 440 | pointerId = event.getPointerId(0); 441 | break; 442 | case MotionEvent.ACTION_UP: 443 | //点击事件 444 | if (v.isPressed()) v.performClick(); 445 | mVelocityTracker.computeCurrentVelocity(1000, 14000); 446 | //获取当前pointerId水平方向上的速度 447 | float xVelocity = mVelocityTracker.getXVelocity(pointerId); 448 | float offsetDx = mTotalOffsetDx % referenceValue; 449 | int scrollX; 450 | if (Math.abs(xVelocity) < mMinVelocityX /*&& offsetDx != 0*/) { 451 | //因为referenceValue / 6时第一个视图高度和第二视图高度相等 452 | if (offsetDx >= referenceValue / 6) { 453 | scrollX = (int) (referenceValue - offsetDx); 454 | } else { 455 | scrollX = (int) -offsetDx; 456 | } 457 | int dur = (int) (Math.abs((scrollX + 0f) / referenceValue) * duration); 458 | brewAndStartAnimator(dur, scrollX); 459 | } 460 | break; 461 | } 462 | return false; 463 | } 464 | }; 465 | 466 | private void brewAndStartAnimator(int dur, int finalXorY) { 467 | /** 468 | * 动画的值由0到finalY 469 | */ 470 | animator = ObjectAnimator.ofInt(this, "animateValue", 0, finalXorY); 471 | animator.setDuration(dur); 472 | animator.start(); 473 | animator.addListener(new AnimatorListenerAdapter() { 474 | @Override 475 | public void onAnimationEnd(Animator animation) { 476 | lastAnimateValue = 0; 477 | 478 | } 479 | 480 | @Override 481 | public void onAnimationCancel(Animator animation) { 482 | lastAnimateValue = 0; 483 | } 484 | }); 485 | } 486 | 487 | /** 488 | * 属性动画执行时调用 489 | * 490 | * @param animateValue 491 | */ 492 | @SuppressWarnings("unused") 493 | public void setAnimateValue(int animateValue) { 494 | this.animateValue = animateValue; 495 | int distance = this.animateValue - lastAnimateValue; 496 | scrollHorizontallyBy(distance, recycler, state); 497 | lastAnimateValue = animateValue; 498 | } 499 | 500 | /** 501 | * 属性动画执行时调用 502 | * 503 | * @param 504 | */ 505 | @SuppressWarnings("unused") 506 | public int getAnimateValue() { 507 | return animateValue; 508 | } 509 | 510 | } 511 | -------------------------------------------------------------------------------- /app/src/main/java/study/yang/stackcardviewgroup/DefineRightLayoutManager.java: -------------------------------------------------------------------------------- 1 | package study.yang.stackcardviewgroup; 2 | 3 | import android.animation.Animator; 4 | import android.animation.AnimatorListenerAdapter; 5 | import android.animation.ObjectAnimator; 6 | import android.content.Context; 7 | import android.support.v4.view.ViewCompat; 8 | import android.support.v7.widget.RecyclerView; 9 | import android.util.DisplayMetrics; 10 | import android.util.Log; 11 | import android.view.MotionEvent; 12 | import android.view.VelocityTracker; 13 | import android.view.View; 14 | import android.view.ViewConfiguration; 15 | import android.view.ViewGroup; 16 | 17 | import java.lang.reflect.InvocationTargetException; 18 | import java.lang.reflect.Method; 19 | 20 | 21 | public class DefineRightLayoutManager extends RecyclerView.LayoutManager { 22 | 23 | /** 24 | * 基准控件的宽度 25 | */ 26 | private int mDecorateWidth; 27 | /** 28 | * 基准控件的高度 29 | */ 30 | private int mDecorateHeight; 31 | /** 32 | * 默认间隔,单位为px 33 | */ 34 | private int space = 45; 35 | /** 36 | * 默认展示数量 37 | */ 38 | private int initStackCount = 3; 39 | /** 40 | * 手机屏幕宽度 41 | */ 42 | private int widthPixels; 43 | /** 44 | * 手机屏幕高度 45 | */ 46 | private final int heightPixels; 47 | /** 48 | * 以基准尺寸为基数的缩放比例 49 | */ 50 | private float scaleRatio = 0.2f; 51 | 52 | /** 53 | * 总的偏移量 54 | */ 55 | private int mTotalOffsetDx = 0; 56 | /** 57 | * 第一个可视item的下标 58 | */ 59 | private int currentIndex = 0; 60 | /** 61 | * 最后一个可视item的下标,最后一个item的透明度为0 62 | */ 63 | private int endIndex = 0; 64 | 65 | //基准值的比例 66 | private float referenceValue = 0f; 67 | //缩放和平移的系数 68 | private float k = 0f; 69 | //速度跟踪者 70 | private VelocityTracker mVelocityTracker = VelocityTracker.obtain(); 71 | //动画处理 72 | private ObjectAnimator animator; 73 | /** 74 | * 动画的偏移值 75 | */ 76 | private int animateValue; 77 | 78 | private int duration = 300; 79 | private int lastAnimateValue; 80 | /** 81 | * 判断指针ID 82 | */ 83 | private int pointerId; 84 | /** 85 | * 水平方向上的最低速度 86 | */ 87 | private int mMinVelocityX; 88 | 89 | private RecyclerView.Recycler recycler; 90 | private RecyclerView.State state; 91 | private Context context; 92 | 93 | 94 | 95 | public DefineRightLayoutManager(Context context, DefineConfig defineConfig) { 96 | this.context = context; 97 | space = defineConfig.space; 98 | initStackCount = defineConfig.initialStackCount; 99 | scaleRatio = defineConfig.scaleRatio; 100 | 101 | DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics(); 102 | widthPixels = displayMetrics.widthPixels; 103 | heightPixels = displayMetrics.heightPixels; 104 | } 105 | 106 | @Override 107 | public RecyclerView.LayoutParams generateDefaultLayoutParams() { 108 | return new RecyclerView.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); 109 | } 110 | 111 | @Override 112 | public boolean isAutoMeasureEnabled() { 113 | return true; 114 | } 115 | 116 | @Override 117 | public void onLayoutChildren(RecyclerView.Recycler recycler, RecyclerView.State state) { 118 | /** 119 | * 当adapter中的子View数目为0时解绑recycler中的控件 120 | */ 121 | if (getItemCount() == 0) { 122 | detachAndScrapAttachedViews(recycler); 123 | return; 124 | } 125 | /** 126 | * state.isPreLayout判断layoutManager执行到哪一个哪一个阶段 127 | * 返回true表示执行到预布局阶段 128 | */ 129 | if (getChildCount() == 0 && state.isPreLayout()) { 130 | return; 131 | } 132 | if (getChildCount() == 0) { 133 | View scrap = recycler.getViewForPosition(0); 134 | /** 135 | * 获取执行一个fling操作的最小速度 136 | */ 137 | mMinVelocityX = ViewConfiguration.get(scrap.getContext()).getScaledMinimumFlingVelocity(); 138 | measureChildWithMargins(scrap, 0, 0); 139 | //根据给定的space以及initStackCount换算出第一个View的宽度 140 | mDecorateWidth = widthPixels - (initStackCount + 1) * space;// getDecoratedMeasurementHorizontal(scrap); 141 | //获取控件的高度 142 | mDecorateHeight = getDecoratedMeasuredHeight(scrap); 143 | //给基准值赋值 144 | referenceValue = scaleRatio * mDecorateWidth + space; 145 | k = space * 1.0f / referenceValue; 146 | 147 | } 148 | 149 | //初始化时调用 填充childView 150 | fill(0, recycler, state); 151 | } 152 | 153 | private int fill(int dx, RecyclerView.Recycler recycler, RecyclerView.State state) { 154 | 155 | try { 156 | if ((currentIndex == 0 && dx > 0 && mTotalOffsetDx == 0)/*||mTotalOffsetDx< 0 */ || (Math.abs(mTotalOffsetDx) / referenceValue >= getItemCount() - 1 && dx < 0)) { 157 | return 0; 158 | } 159 | //避免滑动过快,所以每次除以基准值求余 160 | mTotalOffsetDx += (dx % referenceValue); 161 | //解绑RecyclerView上的View,调用此方法之后getChildCount为0 162 | detachAndScrapAttachedViews(recycler); 163 | currentIndex = (int) (Math.abs(mTotalOffsetDx) / referenceValue); 164 | //计算尾部下标 165 | int compute = currentIndex + initStackCount; 166 | endIndex = compute >= getItemCount() ? getItemCount() - 1 : compute; 167 | 168 | for (int i = currentIndex; i <= endIndex; i++) { 169 | 170 | //获取当前位置的控件 171 | View view = recycler.getViewForPosition(i); 172 | 173 | 174 | addView(view);//现在重新添加 175 | //测量子控件的上下左右的位置 176 | measureChildWithMargins(view, 0, 0); 177 | 178 | int leftMargin = (initStackCount - (i - currentIndex)) * space; 179 | float scale = 1 - (i - currentIndex) * scaleRatio; 180 | int currentWidth = calculateCurrentWidth(i, scale); 181 | int currentHeight = calculateCurrentHeight(i, scale); 182 | 183 | /** 184 | * - scaleX * offsetDx将水平移动的偏移量跟子控件向左偏移的速度联系起来 185 | */ 186 | int right = 0;//(i + 1) * space;// 187 | float offsetDx = mTotalOffsetDx % referenceValue; 188 | 189 | if (currentIndex == i) { 190 | right = (int) (mDecorateWidth + leftMargin - offsetDx); 191 | } else { 192 | right = (int) (currentWidth + leftMargin - k * offsetDx); 193 | } 194 | 195 | if (right > (widthPixels - space) && i == getItemCount() - 1) { 196 | right = widthPixels - space; 197 | mTotalOffsetDx = -(int) (referenceValue * (getItemCount() - 1)); 198 | } else if (right < widthPixels - space && i == 0) { 199 | right = widthPixels - space; 200 | mTotalOffsetDx = 0; 201 | } 202 | 203 | // int right = left + currentWidth; 204 | 205 | 206 | /** 207 | * 以自身为基准点 208 | */ 209 | view.setPivotX(getDecoratedMeasuredWidth(view)); 210 | view.setPivotY(getDecoratedMeasuredHeight(view) * 1.0f / 2); 211 | view.setScaleX(currentWidth * 1.0f / getDecoratedMeasuredWidth(view)); 212 | view.setScaleY(currentWidth * 1.0f / getDecoratedMeasuredWidth(view)); 213 | layoutDecoratedWithMargins(view, right - getDecoratedMeasuredWidth(view), 0, right, getDecoratedMeasuredHeight(view)); 214 | 215 | //setTranslationZ存在BUG,elevation是z轴上的静态值而translationZ是z轴上的动态值 216 | //此处的elevation过高的话会导致控件阴影过大 217 | ViewCompat.setElevation(view, currentHeight * 0.0001f); 218 | 219 | 220 | //正常下标移动的时候透明度走if,反之走else 221 | if (endIndex - currentIndex == initStackCount) { 222 | if (i == currentIndex) { 223 | view.setAlpha(1 - Math.abs(offsetDx) / referenceValue); 224 | } else if (i == endIndex /*&& endIndex != getItemCount() - 1*/) { ///*&& endIndex != getItemCount() - 1*/不能要,否则到最后四条时显示不出来最后一个 225 | view.setAlpha(Math.abs(offsetDx) / referenceValue); 226 | } else { 227 | view.setAlpha(1); 228 | } 229 | } else {//处理小于initStackCount个数的可视itemView的透明度处理 230 | if (i == currentIndex) { 231 | view.setAlpha(1 - Math.abs(offsetDx) / referenceValue); 232 | } else { 233 | view.setAlpha(1); 234 | } 235 | } 236 | } 237 | return dx; 238 | } catch (IndexOutOfBoundsException e) { 239 | e.printStackTrace(); 240 | } 241 | return 0; 242 | 243 | } 244 | 245 | /** 246 | * 计算当前控件的宽度 247 | * 248 | * @param position 249 | * @param scale 为1时,widthSpace为0 250 | * @return 251 | */ 252 | private int calculateCurrentWidth(int position, float scale) { 253 | float offsetDx = Math.abs(mTotalOffsetDx) % referenceValue; 254 | if (offsetDx > 0/* && offsetDx <= referenceValue*/) { 255 | if (currentIndex == position) { 256 | scale = 1 - offsetDx / referenceValue; 257 | } else { 258 | //临时的偏移比例 259 | float tempRatio = offsetDx * scaleRatio / referenceValue; 260 | //临时的缩放比例 261 | float tempScaleX = scale + tempRatio; 262 | scale = tempScaleX >= 1 ? 1f : tempScaleX; 263 | } 264 | } 265 | return (int) (mDecorateWidth * scale); 266 | } 267 | 268 | private int calculateCurrentHeight(int position, float scale) { 269 | float offsetDx = Math.abs(mTotalOffsetDx) % referenceValue; 270 | if (offsetDx > 0 /*&& offsetDx <= referenceValue*/) { 271 | if (currentIndex == position) { 272 | scale = 1 - offsetDx * 1.0f / referenceValue; 273 | } else { 274 | /** 275 | * scaleX + offsetDx * 1.0f / heightSpace用来计算在scale的基础之上来重新制定scaleY 276 | */ 277 | float tempRatio = offsetDx * scaleRatio / referenceValue; 278 | float tempScaleY = scale + tempRatio; 279 | scale = tempScaleY >= 1 ? 1f : tempScaleY; 280 | } 281 | } 282 | return (int) (mDecorateHeight * scale); 283 | } 284 | 285 | @Override 286 | public void onAdapterChanged(RecyclerView.Adapter oldAdapter, RecyclerView.Adapter newAdapter) { 287 | super.onAdapterChanged(oldAdapter, newAdapter); 288 | } 289 | 290 | @Override 291 | public boolean canScrollHorizontally() { 292 | return true; 293 | } 294 | 295 | 296 | public int findLastVisibleItemPosition() { 297 | View childAt = getChildAt(0); 298 | return getPosition(childAt); 299 | } 300 | 301 | 302 | /** 303 | * action_move时会调用该方法 304 | * 305 | * @param dx 306 | * @param recycler 307 | * @param state 308 | * @return 309 | */ 310 | @Override 311 | public int scrollHorizontallyBy(int dx, RecyclerView.Recycler recycler, RecyclerView.State state) { 312 | this.recycler = recycler; 313 | this.state = state; 314 | recyclerUnVisibleView(recycler, dx); 315 | fill(dx, recycler, state); 316 | return dx; 317 | } 318 | 319 | 320 | /** 321 | * 回收不可见的childview 322 | */ 323 | private void recyclerUnVisibleView(RecyclerView.Recycler recycler, int dx) { 324 | if (getChildCount() > 0) { 325 | //得到第一个可见的View 326 | 327 | if (dx < 0) {//向左 328 | View firstView = getChildAt(0); 329 | if (firstView.getWidth() < space) { 330 | //从RecycleView中移除View,将view给与给定的Recycler从而达到复用的目的 331 | removeAndRecycleView(firstView, recycler); 332 | } 333 | //得到第一个可见View在Adapter中的位置 334 | } else if (dx > 0) { 335 | Log.e("childCount", "recycler::中View的个数" + getChildCount()); 336 | } 337 | } 338 | } 339 | 340 | private RecyclerView mRV; 341 | 342 | /** 343 | * 当控件依附于Window时调用 344 | * 345 | * @param view 346 | */ 347 | @Override 348 | public void onAttachedToWindow(RecyclerView view) { 349 | super.onAttachedToWindow(view); 350 | mRV = view; 351 | view.setOnTouchListener(touchListener); 352 | view.setOnFlingListener(flingListener); 353 | } 354 | 355 | 356 | private RecyclerView.OnFlingListener flingListener = new RecyclerView.OnFlingListener() { 357 | /** 358 | * 设置就算是飞滑也只让控件移动一个referenceValue的位置 359 | * @param velocityX 360 | * @param velocityY 361 | * @return 362 | */ 363 | @Override 364 | public boolean onFling(int velocityX, int velocityY) { 365 | int scrollX; 366 | float offsetDx = Math.abs(mTotalOffsetDx) % referenceValue; 367 | int tempScrollX = (int) (referenceValue - offsetDx); 368 | int vel = absMax(velocityX, velocityY); 369 | if (vel < 0) { 370 | //向左快速滑动的时候,补全下一个移动位的距离 371 | scrollX = -tempScrollX; 372 | } else { 373 | //向右快速滑动的时候,将总偏移量除以referenceValue的 374 | //余数部分给减去,从而达到mTotalOffsetDx除以referenceValue能够等于整数 375 | scrollX = (int) offsetDx; 376 | } 377 | 378 | 379 | int dur = computeSettleDuration(Math.abs(scrollX), Math.abs(vel)); 380 | brewAndStartAnimator(dur, scrollX); 381 | setScrollStateIdle(); 382 | return true; 383 | } 384 | }; 385 | 386 | /** 387 | * 计算控件停下来的所需要的时间 388 | * 389 | * @param distance 390 | * @param xvel 391 | * @return 392 | */ 393 | private int computeSettleDuration(int distance, float xvel) { 394 | float sWeight = 0.5f * distance / referenceValue; 395 | float velWeight = xvel > 0 ? 0.5f * mMinVelocityX / xvel : 0; 396 | 397 | return (int) ((sWeight + velWeight) * duration); 398 | } 399 | 400 | /** 401 | * 计算飞滑时水平或者竖直方向的最大值 402 | * 403 | * @param a 404 | * @param b 405 | * @return 406 | */ 407 | private int absMax(int a, int b) { 408 | if (Math.abs(a) > Math.abs(b)) 409 | return a; 410 | else return b; 411 | } 412 | 413 | private Method sSetScrollState; 414 | 415 | /** 416 | * 防止滚动的时候中断点击事件 417 | */ 418 | private void setScrollStateIdle() { 419 | try { 420 | if (sSetScrollState == null) 421 | sSetScrollState = RecyclerView.class.getDeclaredMethod("setScrollState", int.class); 422 | sSetScrollState.setAccessible(true); 423 | sSetScrollState.invoke(mRV, RecyclerView.SCROLL_STATE_IDLE); 424 | } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) { 425 | e.printStackTrace(); 426 | } 427 | } 428 | 429 | private View.OnTouchListener touchListener = new View.OnTouchListener() { 430 | 431 | @Override 432 | public boolean onTouch(View v, MotionEvent event) { 433 | //将触摸事件交给速度跟踪者事件 434 | mVelocityTracker.addMovement(event); 435 | switch (event.getAction()) { 436 | case MotionEvent.ACTION_DOWN: 437 | if (animator != null && animator.isRunning()) 438 | animator.cancel(); 439 | pointerId = event.getPointerId(0); 440 | break; 441 | case MotionEvent.ACTION_UP: 442 | //点击事件 443 | if (v.isPressed()) v.performClick(); 444 | mVelocityTracker.computeCurrentVelocity(1000, 14000); 445 | //获取当前pointerId水平方向上的速度 446 | float xVelocity = mVelocityTracker.getXVelocity(pointerId); 447 | float offsetDx = Math.abs(mTotalOffsetDx) % referenceValue; 448 | int scrollX; 449 | if (Math.abs(xVelocity) < mMinVelocityX /*&& offsetDx != 0*/) { 450 | //因为referenceValue / 6时第一个视图高度和第二视图高度相等 451 | if (offsetDx >= referenceValue / 6) { 452 | scrollX = -(int) (referenceValue - offsetDx); 453 | } else { 454 | scrollX = (int) offsetDx; 455 | } 456 | int dur = (int) (Math.abs((scrollX + 0f) / referenceValue) * duration); 457 | brewAndStartAnimator(dur, scrollX); 458 | } 459 | break; 460 | } 461 | return false; 462 | } 463 | }; 464 | 465 | private void brewAndStartAnimator(int dur, int finalXorY) { 466 | animator = ObjectAnimator.ofInt(this, "animateValue", 0, finalXorY); 467 | animator.setDuration(dur); 468 | animator.start(); 469 | animator.addListener(new AnimatorListenerAdapter() { 470 | @Override 471 | public void onAnimationEnd(Animator animation) { 472 | lastAnimateValue = 0; 473 | 474 | } 475 | 476 | @Override 477 | public void onAnimationCancel(Animator animation) { 478 | lastAnimateValue = 0; 479 | } 480 | }); 481 | } 482 | 483 | /** 484 | * 属性动画执行时调用 485 | * 486 | * @param animateValue 487 | */ 488 | @SuppressWarnings("unused") 489 | public void setAnimateValue(int animateValue) { 490 | this.animateValue = animateValue; 491 | int distance = this.animateValue - lastAnimateValue; 492 | scrollHorizontallyBy(distance, recycler, state); 493 | lastAnimateValue = animateValue; 494 | } 495 | 496 | /** 497 | * 属性动画执行时调用 498 | * 499 | * @param 500 | */ 501 | @SuppressWarnings("unused") 502 | public int getAnimateValue() { 503 | return animateValue; 504 | } 505 | 506 | } 507 | -------------------------------------------------------------------------------- /app/src/main/java/study/yang/stackcardviewgroup/DefineStackAdapter.java: -------------------------------------------------------------------------------- 1 | package study.yang.stackcardviewgroup; 2 | 3 | import android.content.Context; 4 | import android.support.v7.widget.RecyclerView; 5 | import android.view.LayoutInflater; 6 | import android.view.View; 7 | import android.view.ViewGroup; 8 | import android.widget.Toast; 9 | 10 | import java.util.Arrays; 11 | import java.util.List; 12 | 13 | /** 14 | * Created by CJJ on 2017/3/7. 15 | */ 16 | 17 | public class DefineStackAdapter extends RecyclerView.Adapter { 18 | 19 | private LayoutInflater inflater; 20 | private List datas; 21 | private Context context; 22 | 23 | 24 | public DefineStackAdapter(Context context, List datas) { 25 | this.context = context; 26 | this.datas = datas; 27 | } 28 | 29 | @Override 30 | public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 31 | if (inflater == null) { 32 | context = parent.getContext(); 33 | inflater = LayoutInflater.from(parent.getContext()); 34 | } 35 | /** 36 | * 用此方法创建控件,用root的LayoutParams来约束子布局 37 | */ 38 | View inflate = inflater.inflate(R.layout.superposition_item_card, parent, false); 39 | // View inflate =View.inflate(context,R.layout.superposition_item_card,null); 40 | return new ViewHolder(inflate); 41 | 42 | } 43 | 44 | 45 | @Override 46 | public void onBindViewHolder(ViewHolder holder, int position) { 47 | switch (position % 3) { 48 | case 0: 49 | holder.itemView.setBackgroundResource(R.drawable.superposition_item_shape_1); 50 | break; 51 | case 1: 52 | holder.itemView.setBackgroundResource(R.drawable.superposition_item_shape_2); 53 | break; 54 | case 2: 55 | holder.itemView.setBackgroundResource(R.drawable.superposition_item_shape_3); 56 | break; 57 | } 58 | } 59 | 60 | @Override 61 | public int getItemCount() { 62 | return datas == null ? 0 : datas.size(); 63 | } 64 | 65 | class ViewHolder extends RecyclerView.ViewHolder { 66 | public ViewHolder(View itemView) { 67 | super(itemView); 68 | itemView.setOnClickListener(new View.OnClickListener() { 69 | @Override 70 | public void onClick(View v) { 71 | Toast.makeText(context.getApplicationContext(), String.valueOf(getAdapterPosition()), Toast.LENGTH_SHORT) 72 | .show(); 73 | } 74 | }); 75 | } 76 | } 77 | } 78 | -------------------------------------------------------------------------------- /app/src/main/java/study/yang/stackcardviewgroup/Main2Activity.java: -------------------------------------------------------------------------------- 1 | package study.yang.stackcardviewgroup; 2 | 3 | import android.os.Bundle; 4 | import android.os.Handler; 5 | import android.os.Message; 6 | import android.support.v7.app.AppCompatActivity; 7 | import android.support.v7.widget.RecyclerView; 8 | import android.util.Log; 9 | 10 | import java.util.ArrayList; 11 | import java.util.List; 12 | 13 | public class Main2Activity extends AppCompatActivity { 14 | 15 | private Handler handler = new Handler() { 16 | @Override 17 | public void handleMessage(Message msg) { 18 | super.handleMessage(msg); 19 | } 20 | }; 21 | private DefineStackAdapter defineStackAdapter; 22 | private DefineLeftLayoutManager layoutManager1; 23 | private List datas; 24 | private DefineRightLayoutManager drlm; 25 | 26 | @Override 27 | protected void onCreate(Bundle savedInstanceState) { 28 | super.onCreate(savedInstanceState); 29 | setContentView(R.layout.activity_main2); 30 | RecyclerView rv = (RecyclerView) findViewById(R.id.rv); 31 | RecyclerView rv1 = (RecyclerView) findViewById(R.id.rv_1); 32 | 33 | datas = new ArrayList<>(); 34 | for (int i = 0; i < 5; i++) { 35 | datas.add(String.valueOf(i)); 36 | } 37 | DefineConfig defineConfig = new DefineConfig(); 38 | defineConfig.initialStackCount = 3; 39 | defineConfig.space = 45; 40 | defineConfig.scaleRatio = 0.2f; 41 | layoutManager1 = new DefineLeftLayoutManager(this, defineConfig); 42 | drlm = new DefineRightLayoutManager(this, defineConfig); 43 | rv1.setLayoutManager(drlm); 44 | ArrayList datas2 = new ArrayList<>(); 45 | datas2.addAll(datas); 46 | rv1.setAdapter(new DefineStackAdapter(this, datas2)); 47 | 48 | defineStackAdapter = new DefineStackAdapter(this, datas); 49 | rv.setLayoutManager(layoutManager1); 50 | rv.setAdapter(defineStackAdapter); 51 | rv.addOnScrollListener(new RecyclerView.OnScrollListener() { 52 | @Override 53 | public void onScrollStateChanged(RecyclerView recyclerView, int newState) { 54 | super.onScrollStateChanged(recyclerView, newState); 55 | RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager(); 56 | int visibleItemCount = layoutManager.getChildCount(); 57 | int totalItemCount = layoutManager.getItemCount(); 58 | if ((visibleItemCount > 0 && newState == RecyclerView.SCROLL_STATE_IDLE && (layoutManager1.findLastVisibleItemPosition()) >= totalItemCount - 1)) { 59 | onLoadNextPage(recyclerView); 60 | } 61 | } 62 | 63 | @Override 64 | public void onScrolled(RecyclerView recyclerView, int dx, int dy) { 65 | super.onScrolled(recyclerView, dx, dy); 66 | 67 | } 68 | }); 69 | 70 | 71 | } 72 | 73 | private void onLoadNextPage(RecyclerView recyclerView) { 74 | Log.e("onLoad", "加载到底部了,重新加载数据"); 75 | int size = datas.size(); 76 | int endSize = (size + 5 > 15) ? 15 : size + 5; 77 | for (int i = size; i < endSize; i++) { 78 | datas.add(String.valueOf(i)); 79 | } 80 | defineStackAdapter.notifyDataSetChanged(); 81 | 82 | } 83 | 84 | } 85 | -------------------------------------------------------------------------------- /app/src/main/java/study/yang/stackcardviewgroup/MainActivity.java: -------------------------------------------------------------------------------- 1 | package study.yang.stackcardviewgroup; 2 | 3 | import android.os.Bundle; 4 | import android.support.v7.app.AppCompatActivity; 5 | import android.support.v7.widget.CardView; 6 | import android.util.DisplayMetrics; 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 | CardView cv_1 = (CardView) findViewById(R.id.cv_1); 15 | CardView cv_2 = (CardView) findViewById(R.id.cv_2); 16 | CardView cv_4 = (CardView) findViewById(R.id.cv_4); 17 | CardView cv_5 = (CardView) findViewById(R.id.cv_5); 18 | CardView cv_6 = (CardView) findViewById(R.id.cv_6); 19 | 20 | DisplayMetrics displayMetrics = getResources().getDisplayMetrics(); 21 | cv_1.measure(0, 0); 22 | cv_1.setPivotX(900); 23 | cv_1.setPivotY(cv_1.getMeasuredHeight() * 1.0f / 2); 24 | float scaleX = 900 * 1.0f / displayMetrics.widthPixels; 25 | cv_1.setScaleX(0.6f); 26 | cv_1.setScaleY(0.6f); 27 | 28 | cv_4.setPivotX(900); 29 | cv_4.setPivotY(cv_1.getMeasuredHeight() * 1.0f / 2); 30 | cv_4.setScaleX(0.6f); 31 | cv_4.setScaleY(0.6f); 32 | 33 | cv_5.setPivotX(900); 34 | cv_5.setPivotY(cv_1.getMeasuredHeight() * 1.0f / 2); 35 | cv_5.setScaleX(0.8f); 36 | cv_5.setScaleY(0.8f); 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /app/src/main/res/animator/item_animator.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 6 | 7 | 12 | 13 | 14 | 15 | 16 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/ic_app_logo.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/drawable-xxhdpi/ic_app_logo.png -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/quick_question_num.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/drawable-xxhdpi/quick_question_num.png -------------------------------------------------------------------------------- /app/src/main/res/drawable/circle_shape.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 8 | 9 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/quick_follow_question_rectangle.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/superposition_item_shape_1.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/superposition_item_shape_2.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/superposition_item_shape_3.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 | 13 | 14 | 18 | 19 | 29 | 30 | 39 | 40 | 44 | 45 | 50 | 51 | 55 | 56 | 60 | 61 | 68 | 69 | 75 | 76 | 77 | 83 | 84 | 85 | 86 | 87 | 93 | 94 | 101 | 102 | 106 | 107 | 116 | 117 | 127 | 128 | 129 | 139 | 140 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | 170 | 171 | 181 | 182 | 186 | 187 | 193 | 194 | 198 | 199 | 203 | 204 | 212 | 213 | 220 | 221 | 222 | 229 | 230 | 231 | 232 | 233 | 239 | 240 | 248 | 249 | 253 | 254 | 264 | 265 | 275 | 276 | 277 | 287 | 288 | 301 | 302 | 303 | 304 | 305 | 306 | 307 | 308 | 309 | 310 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main2.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 | 13 | 14 | 18 | 19 | 24 | 25 | 26 | 27 | 32 | 33 | 34 | 35 | 36 | -------------------------------------------------------------------------------- /app/src/main/res/layout/include_item_card.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 9 | 19 | 20 | 29 | 30 | 34 | 35 | 40 | 41 | 45 | 46 | 50 | 51 | 58 | 59 | 65 | 66 | 67 | 73 | 74 | 75 | 76 | 77 | 83 | 84 | 91 | 92 | 96 | 97 | 106 | 107 | 117 | 118 | 119 | 129 | 130 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 159 | 160 | 169 | 170 | 174 | 175 | 180 | 181 | 185 | 186 | 190 | 191 | 198 | 199 | 205 | 206 | 207 | 213 | 214 | 215 | 216 | 217 | 223 | 224 | 231 | 232 | 236 | 237 | 246 | 247 | 257 | 258 | 259 | 269 | 270 | 283 | 284 | 285 | 286 | 287 | 288 | 298 | 299 | 309 | 310 | 314 | 315 | 321 | 322 | 326 | 327 | 331 | 332 | 340 | 341 | 348 | 349 | 350 | 357 | 358 | 359 | 360 | 361 | 367 | 368 | 376 | 377 | 381 | 382 | 392 | 393 | 403 | 404 | 405 | 415 | 416 | 429 | 430 | 431 | 432 | 433 | 434 | -------------------------------------------------------------------------------- /app/src/main/res/layout/item_card.xml: -------------------------------------------------------------------------------- 1 | 2 | 14 | 15 | 18 | 19 | 26 | 27 | 35 | 36 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /app/src/main/res/layout/superposition_item_card.xml: -------------------------------------------------------------------------------- 1 | 2 | 12 | 13 | 22 | 23 | 27 | 28 | 34 | 35 | 39 | 40 | 44 | 45 | 53 | 54 | 61 | 62 | 63 | 70 | 71 | 72 | 73 | 74 | 80 | 81 | 89 | 90 | 94 | 95 | 105 | 106 | 116 | 117 | 118 | 128 | 129 | 142 | 143 | 144 | 145 | 146 | 147 | -------------------------------------------------------------------------------- /app/src/main/res/layout/vertical_item_card.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 | 10 | 21 | 28 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/mipmap-hdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/mipmap-mdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #008577 4 | #00574B 5 | #D81B60 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | StackCardViewGroup 3 | 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/study/yang/stackcardviewgroup/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package study.yang.stackcardviewgroup; 2 | 3 | import org.junit.Test; 4 | 5 | import static org.junit.Assert.*; 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * @see Testing documentation 11 | */ 12 | public class ExampleUnitTest { 13 | @Test 14 | public void addition_isCorrect() { 15 | assertEquals(4, 2 + 2); 16 | } 17 | } -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | 5 | repositories { 6 | google() 7 | jcenter() 8 | } 9 | dependencies { 10 | classpath 'com.android.tools.build:gradle:3.2.0' 11 | 12 | 13 | // NOTE: Do not place your application dependencies here; they belong 14 | // in the individual module build.gradle files 15 | } 16 | } 17 | 18 | allprojects { 19 | repositories { 20 | google() 21 | jcenter() 22 | } 23 | } 24 | 25 | task clean(type: Delete) { 26 | delete rootProject.buildDir 27 | } 28 | -------------------------------------------------------------------------------- /gif/1553694295757.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/gif/1553694295757.gif -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | # IDE (e.g. Android Studio) users: 3 | # Gradle settings configured through the IDE *will override* 4 | # any settings specified in this file. 5 | # For more details on how to configure your build environment visit 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html 7 | # Specifies the JVM arguments used for the daemon process. 8 | # The setting is particularly useful for tweaking memory settings. 9 | org.gradle.jvmargs=-Xmx1536m 10 | # When configured, Gradle will run in incubating parallel mode. 11 | # This option should only be used with decoupled projects. More details, visit 12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 13 | # org.gradle.parallel=true 14 | 15 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Duckdan/StackCardViewGroup/8771336bb1c2a66ea6768b55f017097ac4cec980/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn () { 37 | echo "$*" 38 | } 39 | 40 | die () { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save () { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | --------------------------------------------------------------------------------