├── .gitignore ├── LICENSE ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── simple │ │ └── itemvisibility │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── simple │ │ │ └── itemvisibility │ │ │ ├── MainActivity.kt │ │ │ ├── flex │ │ │ ├── FlexListActivity.kt │ │ │ ├── FlexListAdapter.kt │ │ │ └── ListModel.kt │ │ │ ├── gird │ │ │ ├── GridListActivity.kt │ │ │ ├── GridListAdapter.kt │ │ │ └── ListModel.kt │ │ │ ├── horizontallist │ │ │ ├── HorizontalListActivity.kt │ │ │ └── HorizontalListAdapter.kt │ │ │ ├── pager │ │ │ ├── PagerListActivity.kt │ │ │ └── PagerListAdapter.kt │ │ │ ├── renderer │ │ │ └── TextureRenderView.kt │ │ │ ├── staggered │ │ │ ├── ListModel.kt │ │ │ ├── StaggeredListActivity.kt │ │ │ └── StaggeredListAdapter.kt │ │ │ └── verticallist │ │ │ ├── VerticalListActivity.kt │ │ │ └── VerticalListAdapter.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ ├── activity_flex_list.xml │ │ ├── activity_grid_list.xml │ │ ├── activity_horizontal_list.xml │ │ ├── activity_main.xml │ │ ├── activity_pager_list.xml │ │ ├── activity_staggered_list.xml │ │ ├── activity_vertical_list.xml │ │ ├── item_flex_list.xml │ │ ├── item_grid_list.xml │ │ ├── item_grid_video.xml │ │ ├── item_horizontal_list.xml │ │ ├── item_pager_list.xml │ │ ├── item_staggered_list.xml │ │ └── item_vertical_list.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── values-night │ │ └── themes.xml │ │ ├── values │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── themes.xml │ │ └── xml │ │ ├── backup_rules.xml │ │ └── data_extraction_rules.xml │ └── test │ └── java │ └── com │ └── simple │ └── itemvisibility │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── library ├── .gitignore ├── build.gradle ├── consumer-rules.pro ├── proguard-rules.pro └── src │ └── main │ └── java │ └── com │ └── github │ └── mminng │ └── itemvisibility │ ├── ItemVisibilityHelper.kt │ ├── listener │ ├── ItemStateChangeListener.kt │ └── OnItemStateChangeListener.kt │ └── logger │ └── Logger.kt ├── screenshots └── simple.gif └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | # Gradle files 2 | .gradle/ 3 | build/ 4 | 5 | # Local configuration file (sdk path, etc) 6 | local.properties 7 | 8 | # Log/OS Files 9 | *.log 10 | 11 | # Android Studio generated files and folders 12 | captures/ 13 | .externalNativeBuild/ 14 | .cxx/ 15 | *.apk 16 | output.json 17 | 18 | # IntelliJ 19 | *.iml 20 | .idea/ 21 | misc.xml 22 | deploymentTargetDropDown.xml 23 | render.experimental.xml 24 | 25 | # Keystore files 26 | *.jks 27 | *.keystore 28 | 29 | # Google Services (e.g. APIs or Firebase) 30 | google-services.json 31 | 32 | # Android Profiling 33 | *.hprof -------------------------------------------------------------------------------- /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 | # ItemVisibilityHelper [![](https://jitpack.io/v/mminng/item-visibility-helper.svg)](https://jitpack.io/#mminng/item-visibility-helper) 2 | 3 | Item visibility helper for RecyclerView. 4 | Help implement video playlist, like Facebook, TikTok etc. 5 | Or other features. 6 | 7 | # Screenshot 8 | 9 | ![screenshot](https://github.com/mminng/item-visibility-helper/blob/master/screenshots/simple.gif) 10 | 11 | # Getting Started 12 | 13 | **Step 1.** Add it in your root build.gradle at the end of repositories: 14 | 15 | ```Groovy 16 | allprojects { 17 | repositories { 18 | ... 19 | maven { url 'https://jitpack.io' } 20 | } 21 | } 22 | ``` 23 | 24 | **Step 2.** Add the dependency: 25 | 26 | ```Groovy 27 | dependencies { 28 | ... 29 | implementation 'com.github.mminng:item-visibility-helper:1.0.3' 30 | } 31 | ``` 32 | 33 | # Usage 34 | 35 | ```Kotlin 36 | val helper: ItemVisibilityHelper = ItemVisibilityHelper() 37 | //Attach to RecyclerView. 38 | helper.attachToRecyclerView(recyclerView: RecyclerView, 39 | targetViewId: Int = View.NO_ID, 40 | autoActivate: Boolean = true, 41 | orientation: Int = RecyclerView.VERTICAL, 42 | reverseLayout: Boolean = false){ 43 | activateItem { view, position -> 44 | //Item activated. 45 | } 46 | deactivateItem { view, position -> 47 | //Item deactivated. 48 | } 49 | pauseItem { view, position -> 50 | //Item paused. 51 | } 52 | resumeItem { view, position -> 53 | //Item resumed. 54 | } 55 | } 56 | //Activate most visible item. 57 | helper.activateItem() 58 | //Activate item by position. 59 | helper.activateItem(position: Int) 60 | //Deactivate item. 61 | helper.deactivateItem() 62 | ``` 63 | 64 | # License 65 | 66 | ```markdown 67 | Copyright 2023 mminng 68 | 69 | Licensed under the Apache License, Version 2.0 (the "License"); 70 | you may not use this file except in compliance with the License. 71 | You may obtain a copy of the License at 72 | 73 | http://www.apache.org/licenses/LICENSE-2.0 74 | 75 | Unless required by applicable law or agreed to in writing, software 76 | distributed under the License is distributed on an "AS IS" BASIS, 77 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 78 | See the License for the specific language governing permissions and 79 | limitations under the License. 80 | ``` 81 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'com.android.application' 3 | id 'org.jetbrains.kotlin.android' 4 | } 5 | 6 | android { 7 | namespace 'com.simple.itemvisibility' 8 | compileSdk 33 9 | 10 | defaultConfig { 11 | applicationId "com.simple.itemvisibility" 12 | minSdk 21 13 | targetSdk 33 14 | versionCode 1 15 | versionName "1.0" 16 | 17 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 18 | } 19 | viewBinding { 20 | enabled = true 21 | } 22 | buildTypes { 23 | release { 24 | minifyEnabled false 25 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 26 | } 27 | } 28 | compileOptions { 29 | sourceCompatibility JavaVersion.VERSION_1_8 30 | targetCompatibility JavaVersion.VERSION_1_8 31 | } 32 | kotlinOptions { 33 | jvmTarget = '1.8' 34 | } 35 | } 36 | 37 | dependencies { 38 | 39 | implementation 'androidx.core:core-ktx:1.8.0' 40 | implementation 'androidx.appcompat:appcompat:1.4.1' 41 | implementation 'com.google.android.material:material:1.5.0' 42 | implementation 'androidx.constraintlayout:constraintlayout:2.1.3' 43 | implementation project(path: ':library') 44 | testImplementation 'junit:junit:4.13.2' 45 | androidTestImplementation 'androidx.test.ext:junit:1.1.3' 46 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0' 47 | 48 | implementation 'com.google.android.flexbox:flexbox:3.0.0' 49 | debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.10' 50 | } -------------------------------------------------------------------------------- /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 -------------------------------------------------------------------------------- /app/src/androidTest/java/com/simple/itemvisibility/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility 2 | 3 | import androidx.test.platform.app.InstrumentationRegistry 4 | import androidx.test.ext.junit.runners.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getInstrumentation().targetContext 22 | assertEquals("com.simple.itemvisibility", appContext.packageName) 23 | } 24 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 17 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility 2 | 3 | import android.content.Intent 4 | import androidx.appcompat.app.AppCompatActivity 5 | import android.os.Bundle 6 | import com.simple.itemvisibility.databinding.ActivityMainBinding 7 | import com.simple.itemvisibility.flex.FlexListActivity 8 | import com.simple.itemvisibility.gird.GridListActivity 9 | import com.simple.itemvisibility.horizontallist.HorizontalListActivity 10 | import com.simple.itemvisibility.pager.PagerListActivity 11 | import com.simple.itemvisibility.staggered.StaggeredListActivity 12 | import com.simple.itemvisibility.verticallist.VerticalListActivity 13 | 14 | class MainActivity : AppCompatActivity() { 15 | 16 | override fun onCreate(savedInstanceState: Bundle?) { 17 | super.onCreate(savedInstanceState) 18 | val binding = ActivityMainBinding.inflate(layoutInflater) 19 | setContentView(binding.root) 20 | 21 | binding.vertical.setOnClickListener { 22 | startActivity(Intent(this@MainActivity, VerticalListActivity::class.java)) 23 | } 24 | binding.horizontal.setOnClickListener { 25 | startActivity(Intent(this@MainActivity, HorizontalListActivity::class.java)) 26 | } 27 | binding.grid.setOnClickListener { 28 | startActivity(Intent(this@MainActivity, GridListActivity::class.java)) 29 | } 30 | binding.staggered.setOnClickListener { 31 | startActivity(Intent(this@MainActivity, StaggeredListActivity::class.java)) 32 | } 33 | binding.pager.setOnClickListener { 34 | startActivity(Intent(this@MainActivity, PagerListActivity::class.java)) 35 | } 36 | binding.flex.setOnClickListener { 37 | startActivity(Intent(this@MainActivity, FlexListActivity::class.java)) 38 | } 39 | } 40 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/flex/FlexListActivity.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.flex 2 | 3 | import android.graphics.SurfaceTexture 4 | import android.media.MediaPlayer 5 | import android.os.Bundle 6 | import android.view.Surface 7 | import android.view.TextureView.SurfaceTextureListener 8 | import android.view.View 9 | import android.view.ViewTreeObserver.OnGlobalLayoutListener 10 | import androidx.appcompat.app.AppCompatActivity 11 | import androidx.core.view.isVisible 12 | import com.github.mminng.itemvisibility.ItemVisibilityHelper 13 | import com.google.android.flexbox.FlexDirection 14 | import com.google.android.flexbox.FlexboxLayoutManager 15 | import com.google.android.flexbox.JustifyContent 16 | import com.simple.itemvisibility.R 17 | import com.simple.itemvisibility.databinding.ActivityFlexListBinding 18 | import com.simple.itemvisibility.renderer.TextureRenderView 19 | 20 | class FlexListActivity : AppCompatActivity(), SurfaceTextureListener, OnGlobalLayoutListener { 21 | 22 | private val player = MediaPlayer() 23 | private val helper = ItemVisibilityHelper() 24 | private lateinit var _binding: ActivityFlexListBinding 25 | 26 | override fun onCreate(savedInstanceState: Bundle?) { 27 | super.onCreate(savedInstanceState) 28 | _binding = ActivityFlexListBinding.inflate(layoutInflater) 29 | setContentView(_binding.root) 30 | 31 | val data: List = arrayListOf( 32 | ListModel( 33 | "https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 34 | "TitleTitle" 35 | ), 36 | ListModel( 37 | "https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", 38 | "TitleTitleTitle" 39 | ), 40 | ListModel( 41 | "https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", 42 | "TitleTitle" 43 | ), 44 | ListModel( 45 | "https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", 46 | "TitleTitleTitleTitle" 47 | ), 48 | ListModel( 49 | "https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", 50 | "TitleTitleTitleTitleTile" 51 | ), 52 | ListModel( 53 | "https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", 54 | "TitleTitleTitle" 55 | ), 56 | ListModel( 57 | "https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 58 | "TitleTitleTitle" 59 | ), 60 | ListModel( 61 | "https://vfx.mtime.cn/Video/2019/12/20/mp4/191220092951535445.mp4", 62 | "TitleTitleTitleTitleTileTileTitle" 63 | ), 64 | ListModel( 65 | "https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", 66 | "TitleTitleTitle" 67 | ), 68 | ListModel( 69 | "https://vfx.mtime.cn/Video/2014/03/06/mp4/140306102651231568.mp4", 70 | "TitleTitleTitleTitleTile" 71 | ), 72 | ListModel( 73 | "https://vfx.mtime.cn/Video/2023/01/11/mp4/230111074714264116.mp4", 74 | "TitleTitleTitleTitleTileTileTitle" 75 | ), 76 | ListModel( 77 | "https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 78 | "TitleTitleTitle" 79 | ), 80 | ListModel( 81 | "https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", 82 | "TitleTitleTitleTitleTileTileTitle" 83 | ), 84 | ListModel( 85 | "https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", 86 | "TitleTitleTitleTitleTile" 87 | ), 88 | ListModel( 89 | "https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", 90 | "TitleTitleTitle" 91 | ), 92 | ListModel( 93 | "https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", 94 | "TitleTitleTitleTitleTileTileTitle" 95 | ), 96 | ListModel( 97 | "https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", 98 | "TitleTitleTitle" 99 | ), 100 | ListModel( 101 | "https://vfx.mtime.cn/Video/2019/12/20/mp4/191220092951535445.mp4", 102 | "TitleTitleTitleTitleTile" 103 | ), 104 | ListModel( 105 | "https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", 106 | "TitleTitleTitleTitleTileTileTitle" 107 | ), 108 | ListModel( 109 | "https://vfx.mtime.cn/Video/2014/03/06/mp4/140306102651231568.mp4", 110 | "TitleTitleTitleTitleTileTileTitleTitleTile" 111 | ), 112 | ListModel( 113 | "https://vfx.mtime.cn/Video/2023/01/11/mp4/230111074714264116.mp4", 114 | "TitleTitleTitleTitleTile" 115 | ), 116 | ) 117 | val adapter = FlexListAdapter(data) 118 | val layoutManager = FlexboxLayoutManager(this) 119 | layoutManager.flexDirection = FlexDirection.ROW 120 | layoutManager.justifyContent = JustifyContent.FLEX_START 121 | 122 | _binding.fListview.layoutManager = layoutManager 123 | _binding.fListview.adapter = adapter 124 | _binding.fListview.viewTreeObserver.addOnGlobalLayoutListener(this) 125 | 126 | var renderView: TextureRenderView? = null 127 | player.setOnPreparedListener { 128 | player.start() 129 | } 130 | player.setOnVideoSizeChangedListener { _, w, h -> 131 | renderView?.setVideoSize(w, h, true) 132 | } 133 | adapter.setOnItemClickListener { _, position -> 134 | helper.activateItem(position) 135 | } 136 | helper.attachToRecyclerView(_binding.fListview, R.id.item_f_player_view) { 137 | activateItem { view, position -> 138 | val renderer: TextureRenderView = view.findViewById(R.id.item_f_renderer) 139 | val cover: View = view.findViewById(R.id.item_f_cover) 140 | renderView = renderer 141 | cover.isVisible = false 142 | player.reset() 143 | player.isLooping = true 144 | player.setDataSource(data[position].url) 145 | if (renderer.surfaceTexture != null) { 146 | player.setSurface(Surface(renderer.surfaceTexture)) 147 | player.prepareAsync() 148 | } else { 149 | renderer.surfaceTextureListener = this@FlexListActivity 150 | } 151 | } 152 | deactivateItem { view, _ -> 153 | val cover: View = view.findViewById(R.id.item_f_cover) 154 | val renderer: TextureRenderView = view.findViewById(R.id.item_f_renderer) 155 | cover.isVisible = true 156 | renderer.surfaceTextureListener = null 157 | player.stop() 158 | } 159 | } 160 | } 161 | 162 | override fun onGlobalLayout() { 163 | _binding.fListview.viewTreeObserver.removeOnGlobalLayoutListener(this) 164 | helper.activateItem() 165 | } 166 | 167 | override fun onSurfaceTextureAvailable(surface: SurfaceTexture, width: Int, height: Int) { 168 | player.setSurface(Surface(surface)) 169 | player.prepareAsync() 170 | } 171 | 172 | override fun onSurfaceTextureSizeChanged(surface: SurfaceTexture, width: Int, height: Int) { 173 | } 174 | 175 | override fun onSurfaceTextureDestroyed(surface: SurfaceTexture): Boolean { 176 | return true 177 | } 178 | 179 | override fun onSurfaceTextureUpdated(surface: SurfaceTexture) { 180 | } 181 | 182 | override fun onPause() { 183 | super.onPause() 184 | player.pause() 185 | } 186 | 187 | override fun onResume() { 188 | super.onResume() 189 | player.start() 190 | } 191 | 192 | override fun onDestroy() { 193 | super.onDestroy() 194 | player.release() 195 | } 196 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/flex/FlexListAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.flex 2 | 3 | import android.view.LayoutInflater 4 | import android.view.ViewGroup 5 | import androidx.recyclerview.widget.RecyclerView 6 | import com.simple.itemvisibility.databinding.ItemFlexListBinding 7 | 8 | /** 9 | * Created by zh on 2023/4/27. 10 | */ 11 | class FlexListAdapter constructor(private val data: List) : 12 | RecyclerView.Adapter() { 13 | 14 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder { 15 | val binding: ItemFlexListBinding = 16 | ItemFlexListBinding.inflate(LayoutInflater.from(parent.context), parent, false) 17 | val holder = ViewHolder(binding) 18 | bindItemClick(holder) 19 | return holder 20 | } 21 | 22 | override fun onBindViewHolder(holder: ViewHolder, position: Int) { 23 | holder.itemView.tag = data[position] 24 | holder.bind(data[position], position) 25 | } 26 | 27 | override fun getItemCount(): Int = data.size 28 | 29 | fun setOnItemClickListener(listener: (item: ListModel, position: Int) -> Unit) { 30 | _itemClick = listener 31 | } 32 | 33 | private var _itemClick: ((item: ListModel, position: Int) -> Unit)? = null 34 | 35 | private fun bindItemClick(holder: ViewHolder) { 36 | holder.itemView.setOnClickListener { 37 | _itemClick?.let { 38 | val position = holder.adapterPosition 39 | if (position == RecyclerView.NO_POSITION) return@setOnClickListener 40 | val data: ListModel = holder.itemView.tag as ListModel 41 | it.invoke(data, position) 42 | } 43 | } 44 | } 45 | } 46 | 47 | class ViewHolder constructor(private val binding: ItemFlexListBinding) : 48 | RecyclerView.ViewHolder(binding.root) { 49 | 50 | fun bind(item: ListModel, position: Int) { 51 | binding.itemFTopPosition.text = "$position" 52 | binding.itemFBottomPosition.text = "$position" 53 | binding.itemFTitle.text = item.title 54 | } 55 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/flex/ListModel.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.flex 2 | 3 | /** 4 | * Created by zh on 2023/5/20. 5 | */ 6 | data class ListModel( 7 | val url: String, 8 | val title: String 9 | ) 10 | -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/gird/GridListActivity.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.gird 2 | 3 | import android.graphics.SurfaceTexture 4 | import android.media.MediaPlayer 5 | import android.os.Bundle 6 | import android.view.Surface 7 | import android.view.TextureView.SurfaceTextureListener 8 | import android.view.View 9 | import android.view.ViewTreeObserver.OnGlobalLayoutListener 10 | import androidx.appcompat.app.AppCompatActivity 11 | import androidx.core.view.isVisible 12 | import androidx.recyclerview.widget.GridLayoutManager 13 | import androidx.recyclerview.widget.GridLayoutManager.SpanSizeLookup 14 | import com.github.mminng.itemvisibility.ItemVisibilityHelper 15 | import com.simple.itemvisibility.R 16 | import com.simple.itemvisibility.databinding.ActivityGridListBinding 17 | import com.simple.itemvisibility.renderer.TextureRenderView 18 | 19 | class GridListActivity : AppCompatActivity(), SurfaceTextureListener, OnGlobalLayoutListener { 20 | 21 | private val player = MediaPlayer() 22 | private val helper = ItemVisibilityHelper() 23 | private lateinit var _binding: ActivityGridListBinding 24 | 25 | override fun onCreate(savedInstanceState: Bundle?) { 26 | super.onCreate(savedInstanceState) 27 | _binding = ActivityGridListBinding.inflate(layoutInflater) 28 | setContentView(_binding.root) 29 | 30 | val data: List = arrayListOf( 31 | ListModel("", false), 32 | ListModel("", false), 33 | ListModel("https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", true), 34 | ListModel("", false), 35 | ListModel("", false), 36 | ListModel("", false), 37 | ListModel("", false), 38 | ListModel("https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", true), 39 | ListModel("", false), 40 | ListModel("", false), 41 | ListModel("", false), 42 | ListModel("", false), 43 | ListModel("", false), 44 | ListModel("", false), 45 | ListModel("https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", true), 46 | ListModel("https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", true), 47 | ListModel("", false), 48 | ListModel("", false), 49 | ListModel("", false), 50 | ListModel("https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", true), 51 | ListModel("", false), 52 | ListModel("", false), 53 | ListModel("https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", true), 54 | ListModel("", false), 55 | ListModel("", false), 56 | ListModel("", false), 57 | ListModel("", false), 58 | ListModel("https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", true), 59 | ListModel("", false), 60 | ListModel("", false), 61 | ) 62 | val adapter = GridListAdapter(data) 63 | _binding.gListview.viewTreeObserver.addOnGlobalLayoutListener(this) 64 | _binding.gListview.adapter = adapter 65 | val layoutManager = GridLayoutManager(this, 2) 66 | _binding.gListview.layoutManager = layoutManager 67 | layoutManager.spanSizeLookup = object : SpanSizeLookup() { 68 | override fun getSpanSize(position: Int): Int { 69 | if (data[position].isVideoType) { 70 | return layoutManager.spanCount 71 | } 72 | return 1 73 | } 74 | } 75 | var renderView: TextureRenderView? = null 76 | player.setOnPreparedListener { 77 | player.start() 78 | } 79 | player.setOnVideoSizeChangedListener { _, w, h -> 80 | renderView?.setVideoSize(w, h, true) 81 | } 82 | adapter.setOnItemClickListener { _, position -> 83 | helper.activateItem(position) 84 | } 85 | helper.attachToRecyclerView(_binding.gListview, R.id.item_g_player_view) { 86 | activateItem { view, position -> 87 | val renderer: TextureRenderView = view.findViewById(R.id.item_g_renderer) 88 | val cover: View = view.findViewById(R.id.item_g_cover) 89 | renderView = renderer 90 | cover.isVisible = false 91 | player.reset() 92 | player.isLooping = true 93 | player.setDataSource(data[position].url) 94 | if (renderer.surfaceTexture != null) { 95 | player.setSurface(Surface(renderer.surfaceTexture)) 96 | player.prepareAsync() 97 | } else { 98 | renderer.surfaceTextureListener = this@GridListActivity 99 | } 100 | } 101 | deactivateItem { view, _ -> 102 | val cover: View = view.findViewById(R.id.item_g_cover) 103 | val renderer: TextureRenderView = view.findViewById(R.id.item_g_renderer) 104 | cover.isVisible = true 105 | renderer.surfaceTextureListener = null 106 | player.stop() 107 | } 108 | pauseItem { _, _ -> 109 | player.pause() 110 | } 111 | resumeItem { _, _ -> 112 | player.start() 113 | } 114 | } 115 | } 116 | 117 | override fun onGlobalLayout() { 118 | _binding.gListview.viewTreeObserver.removeOnGlobalLayoutListener(this) 119 | helper.activateItem() 120 | } 121 | 122 | override fun onSurfaceTextureAvailable(surface: SurfaceTexture, width: Int, height: Int) { 123 | player.setSurface(Surface(surface)) 124 | player.prepareAsync() 125 | } 126 | 127 | override fun onSurfaceTextureSizeChanged(surface: SurfaceTexture, width: Int, height: Int) { 128 | } 129 | 130 | override fun onSurfaceTextureDestroyed(surface: SurfaceTexture): Boolean { 131 | return true 132 | } 133 | 134 | override fun onSurfaceTextureUpdated(surface: SurfaceTexture) { 135 | } 136 | 137 | override fun onPause() { 138 | super.onPause() 139 | player.pause() 140 | } 141 | 142 | override fun onResume() { 143 | super.onResume() 144 | player.start() 145 | } 146 | 147 | override fun onDestroy() { 148 | super.onDestroy() 149 | player.release() 150 | } 151 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/gird/GridListAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.gird 2 | 3 | import android.view.LayoutInflater 4 | import android.view.ViewGroup 5 | import androidx.recyclerview.widget.RecyclerView 6 | import androidx.viewbinding.ViewBinding 7 | import com.simple.itemvisibility.databinding.ItemGridListBinding 8 | import com.simple.itemvisibility.databinding.ItemGridVideoBinding 9 | 10 | /** 11 | * Created by zh on 2023/4/27. 12 | */ 13 | class GridListAdapter constructor(private val data: List) : 14 | RecyclerView.Adapter() { 15 | 16 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder { 17 | val binding: ViewBinding 18 | val holder: RecyclerView.ViewHolder 19 | if (viewType == 0) { 20 | binding = 21 | ItemGridVideoBinding.inflate(LayoutInflater.from(parent.context), parent, false) 22 | holder = VideoViewHolder(binding) 23 | } else { 24 | binding = 25 | ItemGridListBinding.inflate(LayoutInflater.from(parent.context), parent, false) 26 | holder = ListViewHolder(binding) 27 | } 28 | bindItemClick(holder) 29 | return holder 30 | } 31 | 32 | override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) { 33 | holder.itemView.tag = data[position] 34 | if (holder.itemViewType == 0) { 35 | (holder as VideoViewHolder).bind(position) 36 | } else { 37 | (holder as ListViewHolder).bind(position) 38 | } 39 | } 40 | 41 | override fun getItemCount(): Int = data.size 42 | 43 | override fun getItemViewType(position: Int): Int { 44 | return if (data[position].isVideoType) { 45 | 0 46 | } else { 47 | 1 48 | } 49 | } 50 | 51 | fun setOnItemClickListener(listener: (item: ListModel, position: Int) -> Unit) { 52 | _itemClick = listener 53 | } 54 | 55 | private var _itemClick: ((item: ListModel, position: Int) -> Unit)? = null 56 | 57 | private fun bindItemClick(holder: RecyclerView.ViewHolder) { 58 | holder.itemView.setOnClickListener { 59 | _itemClick?.let { 60 | val position = holder.adapterPosition 61 | if (position == RecyclerView.NO_POSITION) return@setOnClickListener 62 | val data: ListModel = holder.itemView.tag as ListModel 63 | it.invoke(data, position) 64 | } 65 | } 66 | } 67 | } 68 | 69 | class VideoViewHolder constructor(private val binding: ItemGridVideoBinding) : 70 | RecyclerView.ViewHolder(binding.root) { 71 | 72 | fun bind(position: Int) { 73 | binding.itemGTopPosition.text = "$position" 74 | binding.itemGBottomPosition.text = "$position" 75 | } 76 | } 77 | 78 | class ListViewHolder constructor(private val binding: ItemGridListBinding) : 79 | RecyclerView.ViewHolder(binding.root) { 80 | 81 | fun bind(position: Int) { 82 | binding.itemGPosition.text = "$position" 83 | } 84 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/gird/ListModel.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.gird 2 | 3 | /** 4 | * Created by zh on 2023/5/20. 5 | */ 6 | data class ListModel( 7 | val url: String, 8 | val isVideoType: Boolean 9 | ) 10 | -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/horizontallist/HorizontalListActivity.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.horizontallist 2 | 3 | import android.graphics.SurfaceTexture 4 | import android.media.MediaPlayer 5 | import android.os.Bundle 6 | import android.view.Surface 7 | import android.view.TextureView.SurfaceTextureListener 8 | import android.view.View 9 | import androidx.appcompat.app.AppCompatActivity 10 | import androidx.core.view.isVisible 11 | import androidx.recyclerview.widget.DividerItemDecoration 12 | import androidx.recyclerview.widget.RecyclerView 13 | import com.github.mminng.itemvisibility.ItemVisibilityHelper 14 | import com.simple.itemvisibility.R 15 | import com.simple.itemvisibility.databinding.ActivityHorizontalListBinding 16 | import com.simple.itemvisibility.renderer.TextureRenderView 17 | 18 | class HorizontalListActivity : AppCompatActivity(), SurfaceTextureListener { 19 | 20 | private val player = MediaPlayer() 21 | 22 | override fun onCreate(savedInstanceState: Bundle?) { 23 | super.onCreate(savedInstanceState) 24 | val binding = ActivityHorizontalListBinding.inflate(layoutInflater) 25 | setContentView(binding.root) 26 | 27 | val data: List = arrayListOf( 28 | "https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 29 | "https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", 30 | "https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", 31 | "https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", 32 | "https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", 33 | "https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", 34 | "https://vfx.mtime.cn/Video/2019/12/20/mp4/191220092951535445.mp4", 35 | "https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", 36 | "https://vfx.mtime.cn/Video/2014/03/06/mp4/140306102651231568.mp4", 37 | "https://vfx.mtime.cn/Video/2023/01/11/mp4/230111074714264116.mp4", 38 | "https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 39 | "https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", 40 | "https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", 41 | "https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", 42 | "https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", 43 | "https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", 44 | "https://vfx.mtime.cn/Video/2019/12/20/mp4/191220092951535445.mp4", 45 | "https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", 46 | "https://vfx.mtime.cn/Video/2014/03/06/mp4/140306102651231568.mp4", 47 | "https://vfx.mtime.cn/Video/2023/01/11/mp4/230111074714264116.mp4", 48 | ) 49 | val helper = ItemVisibilityHelper() 50 | val adapter = HorizontalListAdapter(data) 51 | binding.hListview.addItemDecoration(DividerItemDecoration(this, RecyclerView.HORIZONTAL)) 52 | binding.hListview.adapter = adapter 53 | 54 | var renderView: TextureRenderView? = null 55 | player.setOnPreparedListener { 56 | player.start() 57 | } 58 | player.setOnVideoSizeChangedListener { _, w, h -> 59 | renderView?.setVideoSize(w, h, true) 60 | } 61 | adapter.setOnItemClickListener { _, position -> 62 | helper.activateItem(position) 63 | } 64 | helper.attachToRecyclerView(binding.hListview, autoActivate = false) { 65 | activateItem { view, position -> 66 | val renderer: TextureRenderView = view.findViewById(R.id.item_h_renderer) 67 | val cover: View = view.findViewById(R.id.item_h_cover) 68 | renderView = renderer 69 | cover.isVisible = false 70 | player.isLooping = true 71 | player.reset() 72 | player.setDataSource(data[position]) 73 | if (renderer.surfaceTexture != null) { 74 | player.setSurface(Surface(renderer.surfaceTexture)) 75 | player.prepareAsync() 76 | } else { 77 | renderer.surfaceTextureListener = this@HorizontalListActivity 78 | } 79 | } 80 | deactivateItem { view, _ -> 81 | val renderer: TextureRenderView = view.findViewById(R.id.item_h_renderer) 82 | val cover: View = view.findViewById(R.id.item_h_cover) 83 | renderer.surfaceTextureListener = null 84 | cover.isVisible = true 85 | player.stop() 86 | } 87 | pauseItem { _, _ -> 88 | player.pause() 89 | } 90 | resumeItem { _, _ -> 91 | player.start() 92 | } 93 | } 94 | } 95 | 96 | override fun onSurfaceTextureAvailable(surface: SurfaceTexture, width: Int, height: Int) { 97 | player.setSurface(Surface(surface)) 98 | player.prepareAsync() 99 | } 100 | 101 | override fun onSurfaceTextureSizeChanged(surface: SurfaceTexture, width: Int, height: Int) { 102 | } 103 | 104 | override fun onSurfaceTextureDestroyed(surface: SurfaceTexture): Boolean { 105 | return true 106 | } 107 | 108 | override fun onSurfaceTextureUpdated(surface: SurfaceTexture) { 109 | } 110 | 111 | override fun onPause() { 112 | super.onPause() 113 | player.pause() 114 | } 115 | 116 | override fun onResume() { 117 | super.onResume() 118 | player.start() 119 | } 120 | 121 | override fun onDestroy() { 122 | super.onDestroy() 123 | player.release() 124 | } 125 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/horizontallist/HorizontalListAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.horizontallist 2 | 3 | import android.view.LayoutInflater 4 | import android.view.ViewGroup 5 | import androidx.recyclerview.widget.RecyclerView 6 | import com.simple.itemvisibility.databinding.ItemHorizontalListBinding 7 | 8 | /** 9 | * Created by zh on 2023/4/27. 10 | */ 11 | class HorizontalListAdapter constructor(private val data: List) : 12 | RecyclerView.Adapter() { 13 | 14 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder { 15 | val binding: ItemHorizontalListBinding = 16 | ItemHorizontalListBinding.inflate(LayoutInflater.from(parent.context), parent, false) 17 | val holder = ViewHolder(binding) 18 | bindItemClick(holder) 19 | return holder 20 | } 21 | 22 | override fun onBindViewHolder(holder: ViewHolder, position: Int) { 23 | holder.itemView.tag = data[position] 24 | holder.bind(data[position], position) 25 | } 26 | 27 | override fun getItemCount(): Int = data.size 28 | 29 | fun setOnItemClickListener(listener: (item: String, position: Int) -> Unit) { 30 | _itemClick = listener 31 | } 32 | 33 | private var _itemClick: ((item: String, position: Int) -> Unit)? = null 34 | 35 | private fun bindItemClick(holder: ViewHolder) { 36 | holder.itemView.setOnClickListener { 37 | _itemClick?.let { 38 | val position = holder.adapterPosition 39 | if (position == RecyclerView.NO_POSITION) return@setOnClickListener 40 | val data: String = holder.itemView.tag as String 41 | it.invoke(data, position) 42 | } 43 | } 44 | } 45 | } 46 | 47 | class ViewHolder constructor(private val binding: ItemHorizontalListBinding) : 48 | RecyclerView.ViewHolder(binding.root) { 49 | 50 | fun bind(url: String, position: Int) { 51 | binding.itemHTopPosition.text = "$position" 52 | binding.itemHBottomPosition.text = "$position" 53 | } 54 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/pager/PagerListActivity.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.pager 2 | 3 | import android.graphics.SurfaceTexture 4 | import android.media.MediaPlayer 5 | import android.os.Bundle 6 | import android.view.Surface 7 | import android.view.TextureView.SurfaceTextureListener 8 | import android.view.View 9 | import android.view.ViewTreeObserver.OnGlobalLayoutListener 10 | import androidx.appcompat.app.AppCompatActivity 11 | import androidx.core.view.isVisible 12 | import androidx.recyclerview.widget.PagerSnapHelper 13 | import com.github.mminng.itemvisibility.ItemVisibilityHelper 14 | import com.simple.itemvisibility.R 15 | import com.simple.itemvisibility.databinding.ActivityPagerListBinding 16 | import com.simple.itemvisibility.renderer.TextureRenderView 17 | 18 | class PagerListActivity : AppCompatActivity(), SurfaceTextureListener, OnGlobalLayoutListener { 19 | 20 | private val player = MediaPlayer() 21 | private val helper = ItemVisibilityHelper() 22 | private lateinit var _binding: ActivityPagerListBinding 23 | 24 | override fun onCreate(savedInstanceState: Bundle?) { 25 | super.onCreate(savedInstanceState) 26 | _binding = ActivityPagerListBinding.inflate(layoutInflater) 27 | setContentView(_binding.root) 28 | 29 | val data: List = arrayListOf( 30 | "https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 31 | "https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", 32 | "https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", 33 | "https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", 34 | "https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", 35 | "https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", 36 | "https://vfx.mtime.cn/Video/2019/12/20/mp4/191220092951535445.mp4", 37 | "https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", 38 | "https://vfx.mtime.cn/Video/2014/03/06/mp4/140306102651231568.mp4", 39 | "https://vfx.mtime.cn/Video/2023/01/11/mp4/230111074714264116.mp4", 40 | "https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 41 | "https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", 42 | "https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", 43 | "https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", 44 | "https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", 45 | "https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", 46 | "https://vfx.mtime.cn/Video/2019/12/20/mp4/191220092951535445.mp4", 47 | "https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", 48 | "https://vfx.mtime.cn/Video/2014/03/06/mp4/140306102651231568.mp4", 49 | "https://vfx.mtime.cn/Video/2023/01/11/mp4/230111074714264116.mp4", 50 | ) 51 | val adapter = PagerListAdapter(data) 52 | val snapHelper = PagerSnapHelper() 53 | snapHelper.attachToRecyclerView(_binding.pListview) 54 | 55 | var renderView: TextureRenderView? = null 56 | player.setOnPreparedListener { 57 | player.start() 58 | } 59 | player.setOnVideoSizeChangedListener { _, w, h -> 60 | renderView?.setVideoSize(w, h, true) 61 | } 62 | _binding.pListview.adapter = adapter 63 | _binding.pListview.viewTreeObserver.addOnGlobalLayoutListener(this) 64 | helper.attachToRecyclerView(_binding.pListview) { 65 | activateItem { view, position -> 66 | val renderer: TextureRenderView = view.findViewById(R.id.item_p_renderer) 67 | val cover: View = view.findViewById(R.id.item_p_cover) 68 | renderView = renderer 69 | cover.isVisible = false 70 | player.isLooping = true 71 | player.reset() 72 | player.setDataSource(data[position]) 73 | if (renderer.surfaceTexture != null) { 74 | player.setSurface(Surface(renderer.surfaceTexture)) 75 | player.prepareAsync() 76 | } else { 77 | renderer.surfaceTextureListener = this@PagerListActivity 78 | } 79 | } 80 | deactivateItem { view, _ -> 81 | val renderer: TextureRenderView = view.findViewById(R.id.item_p_renderer) 82 | val cover: View = view.findViewById(R.id.item_p_cover) 83 | renderer.surfaceTextureListener = null 84 | cover.isVisible = true 85 | player.stop() 86 | } 87 | } 88 | } 89 | 90 | override fun onGlobalLayout() { 91 | _binding.pListview.viewTreeObserver.removeOnGlobalLayoutListener(this) 92 | helper.activateItem() 93 | } 94 | 95 | override fun onSurfaceTextureAvailable(surface: SurfaceTexture, width: Int, height: Int) { 96 | player.setSurface(Surface(surface)) 97 | player.prepareAsync() 98 | } 99 | 100 | override fun onSurfaceTextureSizeChanged(surface: SurfaceTexture, width: Int, height: Int) { 101 | } 102 | 103 | override fun onSurfaceTextureDestroyed(surface: SurfaceTexture): Boolean { 104 | return true 105 | } 106 | 107 | override fun onSurfaceTextureUpdated(surface: SurfaceTexture) { 108 | } 109 | 110 | override fun onPause() { 111 | super.onPause() 112 | player.pause() 113 | } 114 | 115 | override fun onResume() { 116 | super.onResume() 117 | player.start() 118 | } 119 | 120 | override fun onDestroy() { 121 | super.onDestroy() 122 | player.release() 123 | } 124 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/pager/PagerListAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.pager 2 | 3 | import android.view.LayoutInflater 4 | import android.view.ViewGroup 5 | import androidx.recyclerview.widget.RecyclerView 6 | import com.simple.itemvisibility.databinding.ItemPagerListBinding 7 | 8 | /** 9 | * Created by zh on 2023/4/27. 10 | */ 11 | class PagerListAdapter constructor(private val data: List) : 12 | RecyclerView.Adapter() { 13 | 14 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder { 15 | val binding: ItemPagerListBinding = 16 | ItemPagerListBinding.inflate(LayoutInflater.from(parent.context), parent, false) 17 | val holder = ViewHolder(binding) 18 | bindItemClick(holder) 19 | return holder 20 | } 21 | 22 | override fun onBindViewHolder(holder: ViewHolder, position: Int) { 23 | holder.itemView.tag = data[position] 24 | holder.bind(position) 25 | } 26 | 27 | override fun getItemCount(): Int = data.size 28 | 29 | fun setOnItemClickListener(listener: (item: String, position: Int) -> Unit) { 30 | _itemClick = listener 31 | } 32 | 33 | private var _itemClick: ((item: String, position: Int) -> Unit)? = null 34 | 35 | private fun bindItemClick(holder: ViewHolder) { 36 | holder.itemView.setOnClickListener { 37 | _itemClick?.let { 38 | val position = holder.adapterPosition 39 | if (position == RecyclerView.NO_POSITION) return@setOnClickListener 40 | val data: String = holder.itemView.tag as String 41 | it.invoke(data, position) 42 | } 43 | } 44 | } 45 | } 46 | 47 | class ViewHolder constructor(private val binding: ItemPagerListBinding) : 48 | RecyclerView.ViewHolder(binding.root) { 49 | 50 | fun bind(position: Int) { 51 | binding.itemPTopPosition.text = "$position" 52 | binding.itemPBottomPosition.text = "$position" 53 | } 54 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/renderer/TextureRenderView.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.renderer 2 | 3 | import android.content.Context 4 | import android.util.AttributeSet 5 | import android.util.Pair 6 | import android.view.TextureView 7 | import kotlin.math.abs 8 | 9 | /** 10 | * Created by zh on 2023/4/20. 11 | */ 12 | class TextureRenderView @JvmOverloads constructor( 13 | context: Context, attrs: AttributeSet? = null 14 | ) : TextureView(context, attrs) { 15 | 16 | private var _videoWidth: Int = 0 17 | private var _videoHeight: Int = 0 18 | private var _zoom: Boolean = false 19 | 20 | override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) { 21 | super.onMeasure(widthMeasureSpec, heightMeasureSpec) 22 | val size: Pair = resize( 23 | _videoWidth.toFloat(), 24 | _videoHeight.toFloat(), 25 | measuredWidth.toFloat(), 26 | measuredHeight.toFloat() 27 | ) 28 | if (size.first == 0 || size.second == 0) return 29 | super.onMeasure( 30 | MeasureSpec.makeMeasureSpec(size.first, MeasureSpec.EXACTLY), 31 | MeasureSpec.makeMeasureSpec(size.second, MeasureSpec.EXACTLY) 32 | ) 33 | } 34 | 35 | fun setVideoSize(width: Int, height: Int, zoom: Boolean) { 36 | if (_videoWidth != width || _videoHeight != height) { 37 | _videoWidth = width 38 | _videoHeight = height 39 | _zoom = zoom 40 | requestLayout() 41 | } 42 | } 43 | 44 | private fun resize( 45 | videoWidth: Float, 46 | videoHeight: Float, 47 | measuredWidth: Float, 48 | measuredHeight: Float 49 | ): Pair { 50 | if (videoWidth == 0.0F || videoHeight == 0.0F) return Pair.create(0, 0) 51 | 52 | var width: Float = measuredWidth 53 | var height: Float = measuredHeight 54 | val viewAspectRatio: Float = width / height 55 | val videoAspectRatio: Float = videoWidth / videoHeight 56 | val difference: Float = videoAspectRatio / viewAspectRatio - 1 57 | if (abs(difference) <= 0.01F) return Pair.create(0, 0) 58 | if (_zoom) { 59 | if (difference > 0) { 60 | width = height * videoAspectRatio 61 | } else { 62 | height = width / videoAspectRatio 63 | } 64 | } else { 65 | if (difference > 0) { 66 | height = width / videoAspectRatio 67 | } else { 68 | width = height * videoAspectRatio 69 | } 70 | } 71 | return Pair.create(width.toInt(), height.toInt()) 72 | } 73 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/staggered/ListModel.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.staggered 2 | 3 | /** 4 | * Created by zh on 2023/5/20. 5 | */ 6 | data class ListModel( 7 | val url: String, 8 | val height: Int 9 | ) 10 | -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/staggered/StaggeredListActivity.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.staggered 2 | 3 | import android.graphics.SurfaceTexture 4 | import android.media.MediaPlayer 5 | import android.os.Bundle 6 | import android.view.Surface 7 | import android.view.TextureView.SurfaceTextureListener 8 | import android.view.View 9 | import android.view.ViewTreeObserver.OnGlobalLayoutListener 10 | import androidx.appcompat.app.AppCompatActivity 11 | import androidx.core.view.isVisible 12 | import com.github.mminng.itemvisibility.ItemVisibilityHelper 13 | import com.simple.itemvisibility.R 14 | import com.simple.itemvisibility.databinding.ActivityStaggeredListBinding 15 | import com.simple.itemvisibility.renderer.TextureRenderView 16 | 17 | class StaggeredListActivity : AppCompatActivity(), SurfaceTextureListener, OnGlobalLayoutListener { 18 | 19 | private val player = MediaPlayer() 20 | private val helper = ItemVisibilityHelper() 21 | private lateinit var _binding: ActivityStaggeredListBinding 22 | 23 | override fun onCreate(savedInstanceState: Bundle?) { 24 | super.onCreate(savedInstanceState) 25 | _binding = ActivityStaggeredListBinding.inflate(layoutInflater) 26 | setContentView(_binding.root) 27 | 28 | val data: List = arrayListOf( 29 | ListModel("https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 200), 30 | ListModel("https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", 300), 31 | ListModel("https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", 380), 32 | ListModel("https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", 240), 33 | ListModel("https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", 340), 34 | ListModel("https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", 200), 35 | ListModel("https://vfx.mtime.cn/Video/2019/12/20/mp4/191220092951535445.mp4", 400), 36 | ListModel("https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", 280), 37 | ListModel("https://vfx.mtime.cn/Video/2014/03/06/mp4/140306102651231568.mp4", 380), 38 | ListModel("https://vfx.mtime.cn/Video/2023/01/11/mp4/230111074714264116.mp4", 220), 39 | ListModel("https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 320), 40 | ListModel("https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", 400), 41 | ListModel("https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", 280), 42 | ListModel("https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", 340), 43 | ListModel("https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", 220), 44 | ListModel("https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", 400), 45 | ListModel("https://vfx.mtime.cn/Video/2019/12/20/mp4/191220092951535445.mp4", 280), 46 | ListModel("https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", 360), 47 | ListModel("https://vfx.mtime.cn/Video/2014/03/06/mp4/140306102651231568.mp4", 200), 48 | ) 49 | val adapter = StaggeredListAdapter(data) 50 | _binding.sListview.adapter = adapter 51 | _binding.sListview.viewTreeObserver.addOnGlobalLayoutListener(this) 52 | 53 | var renderView: TextureRenderView? = null 54 | player.setOnPreparedListener { 55 | player.start() 56 | } 57 | player.setOnVideoSizeChangedListener { _, w, h -> 58 | renderView?.setVideoSize(w, h, true) 59 | } 60 | adapter.setOnItemClickListener { _, position -> 61 | helper.activateItem(position) 62 | } 63 | helper.attachToRecyclerView(_binding.sListview, R.id.item_s_player_view) { 64 | activateItem { view, position -> 65 | val renderer: TextureRenderView = view.findViewById(R.id.item_s_renderer) 66 | val cover: View = view.findViewById(R.id.item_s_cover) 67 | renderView = renderer 68 | cover.isVisible = false 69 | player.reset() 70 | player.isLooping = true 71 | player.setDataSource(data[position].url) 72 | if (renderer.surfaceTexture != null) { 73 | player.setSurface(Surface(renderer.surfaceTexture)) 74 | player.prepareAsync() 75 | } else { 76 | renderer.surfaceTextureListener = this@StaggeredListActivity 77 | } 78 | } 79 | deactivateItem { view, _ -> 80 | val cover: View = view.findViewById(R.id.item_s_cover) 81 | val renderer: TextureRenderView = view.findViewById(R.id.item_s_renderer) 82 | cover.isVisible = true 83 | renderer.surfaceTextureListener = null 84 | player.stop() 85 | } 86 | } 87 | } 88 | 89 | override fun onGlobalLayout() { 90 | _binding.sListview.viewTreeObserver.removeOnGlobalLayoutListener(this) 91 | helper.activateItem() 92 | } 93 | 94 | override fun onSurfaceTextureAvailable(surface: SurfaceTexture, width: Int, height: Int) { 95 | player.setSurface(Surface(surface)) 96 | player.prepareAsync() 97 | } 98 | 99 | override fun onSurfaceTextureSizeChanged(surface: SurfaceTexture, width: Int, height: Int) { 100 | } 101 | 102 | override fun onSurfaceTextureDestroyed(surface: SurfaceTexture): Boolean { 103 | return true 104 | } 105 | 106 | override fun onSurfaceTextureUpdated(surface: SurfaceTexture) { 107 | } 108 | 109 | override fun onPause() { 110 | super.onPause() 111 | player.pause() 112 | } 113 | 114 | override fun onResume() { 115 | super.onResume() 116 | player.start() 117 | } 118 | 119 | override fun onDestroy() { 120 | super.onDestroy() 121 | player.release() 122 | } 123 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/staggered/StaggeredListAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.staggered 2 | 3 | import android.view.LayoutInflater 4 | import android.view.ViewGroup 5 | import androidx.recyclerview.widget.RecyclerView 6 | import com.simple.itemvisibility.databinding.ItemStaggeredListBinding 7 | 8 | /** 9 | * Created by zh on 2023/4/27. 10 | */ 11 | class StaggeredListAdapter constructor(private val data: List) : 12 | RecyclerView.Adapter() { 13 | 14 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder { 15 | val binding: ItemStaggeredListBinding = 16 | ItemStaggeredListBinding.inflate(LayoutInflater.from(parent.context), parent, false) 17 | val holder = ViewHolder(binding) 18 | bindItemClick(holder) 19 | return holder 20 | } 21 | 22 | override fun onBindViewHolder(holder: ViewHolder, position: Int) { 23 | holder.itemView.tag = data[position] 24 | holder.bind(data[position].height, position) 25 | } 26 | 27 | override fun getItemCount(): Int = data.size 28 | 29 | fun setOnItemClickListener(listener: (item: ListModel, position: Int) -> Unit) { 30 | _itemClick = listener 31 | } 32 | 33 | private var _itemClick: ((item: ListModel, position: Int) -> Unit)? = null 34 | 35 | private fun bindItemClick(holder: ViewHolder) { 36 | holder.itemView.setOnClickListener { 37 | _itemClick?.let { 38 | val position = holder.adapterPosition 39 | if (position == RecyclerView.NO_POSITION) return@setOnClickListener 40 | val data: ListModel = holder.itemView.tag as ListModel 41 | it.invoke(data, position) 42 | } 43 | } 44 | } 45 | } 46 | 47 | class ViewHolder constructor(private val binding: ItemStaggeredListBinding) : 48 | RecyclerView.ViewHolder(binding.root) { 49 | 50 | fun bind(height: Int, position: Int) { 51 | binding.itemSPosition.text = "$position" 52 | val layoutParams: ViewGroup.LayoutParams = binding.itemSPosition.layoutParams 53 | layoutParams.height = height 54 | binding.itemSPosition.layoutParams = layoutParams 55 | } 56 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/verticallist/VerticalListActivity.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.verticallist 2 | 3 | import android.graphics.SurfaceTexture 4 | import android.media.MediaPlayer 5 | import android.os.Bundle 6 | import android.view.Surface 7 | import android.view.TextureView.SurfaceTextureListener 8 | import android.view.View 9 | import android.view.ViewTreeObserver.OnGlobalLayoutListener 10 | import androidx.appcompat.app.AppCompatActivity 11 | import androidx.core.view.isVisible 12 | import androidx.recyclerview.widget.DividerItemDecoration 13 | import androidx.recyclerview.widget.RecyclerView 14 | import com.github.mminng.itemvisibility.ItemVisibilityHelper 15 | import com.simple.itemvisibility.R 16 | import com.simple.itemvisibility.databinding.ActivityVerticalListBinding 17 | import com.simple.itemvisibility.renderer.TextureRenderView 18 | 19 | class VerticalListActivity : AppCompatActivity(), SurfaceTextureListener, OnGlobalLayoutListener { 20 | 21 | private val player = MediaPlayer() 22 | private val helper = ItemVisibilityHelper() 23 | private lateinit var _binding: ActivityVerticalListBinding 24 | 25 | override fun onCreate(savedInstanceState: Bundle?) { 26 | super.onCreate(savedInstanceState) 27 | _binding = ActivityVerticalListBinding.inflate(layoutInflater) 28 | setContentView(_binding.root) 29 | 30 | val data: List = arrayListOf( 31 | "https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 32 | "https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", 33 | "https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", 34 | "https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", 35 | "https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", 36 | "https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", 37 | "https://vfx.mtime.cn/Video/2019/12/20/mp4/191220092951535445.mp4", 38 | "https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", 39 | "https://vfx.mtime.cn/Video/2014/03/06/mp4/140306102651231568.mp4", 40 | "https://vfx.mtime.cn/Video/2023/01/11/mp4/230111074714264116.mp4", 41 | "https://vfx.mtime.cn/Video/2023/03/16/mp4/230316090518494157.mp4", 42 | "https://vfx.mtime.cn/Video/2023/04/20/mp4/230420002252951119.mp4", 43 | "https://vfx.mtime.cn/Video/2023/04/11/mp4/230411091926610168.mp4", 44 | "https://vfx.mtime.cn/Video/2022/09/29/mp4/220929091956826121.mp4", 45 | "https://vfx.mtime.cn/Video/2023/04/10/mp4/230410121450786149.mp4", 46 | "https://vfx.mtime.cn/Video/2018/12/03/mp4/181203164204289930.mp4", 47 | "https://vfx.mtime.cn/Video/2019/12/20/mp4/191220092951535445.mp4", 48 | "https://vfx.mtime.cn/Video/2020/08/21/mp4/200821152204529139.mp4", 49 | "https://vfx.mtime.cn/Video/2014/03/06/mp4/140306102651231568.mp4", 50 | "https://vfx.mtime.cn/Video/2023/01/11/mp4/230111074714264116.mp4", 51 | ) 52 | val adapter = VerticalListAdapter(data) 53 | _binding.vListview.addItemDecoration(DividerItemDecoration(this, RecyclerView.VERTICAL)) 54 | _binding.vListview.adapter = adapter 55 | _binding.vListview.viewTreeObserver.addOnGlobalLayoutListener(this) 56 | 57 | var renderView: TextureRenderView? = null 58 | player.setOnPreparedListener { 59 | player.start() 60 | } 61 | player.setOnVideoSizeChangedListener { _, w, h -> 62 | renderView?.setVideoSize(w, h, true) 63 | } 64 | adapter.setOnItemClickListener { _, position -> 65 | helper.activateItem(position) 66 | } 67 | helper.attachToRecyclerView(_binding.vListview, R.id.item_v_player_view) { 68 | activateItem { view, position -> 69 | val renderer: TextureRenderView = view.findViewById(R.id.item_v_renderer) 70 | val cover: View = view.findViewById(R.id.item_v_cover) 71 | renderView = renderer 72 | cover.isVisible = false 73 | player.reset() 74 | player.isLooping = true 75 | player.setDataSource(data[position]) 76 | if (renderer.surfaceTexture != null) { 77 | player.setSurface(Surface(renderer.surfaceTexture)) 78 | player.prepareAsync() 79 | } else { 80 | renderer.surfaceTextureListener = this@VerticalListActivity 81 | } 82 | } 83 | deactivateItem { view, _ -> 84 | val cover: View = view.findViewById(R.id.item_v_cover) 85 | val renderer: TextureRenderView = view.findViewById(R.id.item_v_renderer) 86 | cover.isVisible = true 87 | renderer.surfaceTextureListener = null 88 | player.stop() 89 | } 90 | } 91 | } 92 | 93 | override fun onGlobalLayout() { 94 | _binding.vListview.viewTreeObserver.removeOnGlobalLayoutListener(this) 95 | helper.activateItem() 96 | } 97 | 98 | override fun onSurfaceTextureAvailable(surface: SurfaceTexture, width: Int, height: Int) { 99 | player.setSurface(Surface(surface)) 100 | player.prepareAsync() 101 | } 102 | 103 | override fun onSurfaceTextureSizeChanged(surface: SurfaceTexture, width: Int, height: Int) { 104 | } 105 | 106 | override fun onSurfaceTextureDestroyed(surface: SurfaceTexture): Boolean { 107 | return true 108 | } 109 | 110 | override fun onSurfaceTextureUpdated(surface: SurfaceTexture) { 111 | } 112 | 113 | override fun onPause() { 114 | super.onPause() 115 | player.pause() 116 | } 117 | 118 | override fun onResume() { 119 | super.onResume() 120 | player.start() 121 | } 122 | 123 | override fun onDestroy() { 124 | super.onDestroy() 125 | player.release() 126 | } 127 | } -------------------------------------------------------------------------------- /app/src/main/java/com/simple/itemvisibility/verticallist/VerticalListAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.simple.itemvisibility.verticallist 2 | 3 | import android.view.LayoutInflater 4 | import android.view.ViewGroup 5 | import androidx.recyclerview.widget.RecyclerView 6 | import com.simple.itemvisibility.databinding.ItemVerticalListBinding 7 | 8 | /** 9 | * Created by zh on 2023/4/27. 10 | */ 11 | class VerticalListAdapter constructor(private val data: List) : 12 | RecyclerView.Adapter() { 13 | 14 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder { 15 | val binding: ItemVerticalListBinding = 16 | ItemVerticalListBinding.inflate(LayoutInflater.from(parent.context), parent, false) 17 | val holder = ViewHolder(binding) 18 | bindItemClick(holder) 19 | return holder 20 | } 21 | 22 | override fun onBindViewHolder(holder: ViewHolder, position: Int) { 23 | holder.itemView.tag = data[position] 24 | holder.bind(position) 25 | } 26 | 27 | override fun getItemCount(): Int = data.size 28 | 29 | fun setOnItemClickListener(listener: (item: String, position: Int) -> Unit) { 30 | _itemClick = listener 31 | } 32 | 33 | private var _itemClick: ((item: String, position: Int) -> Unit)? = null 34 | 35 | private fun bindItemClick(holder: ViewHolder) { 36 | holder.itemView.setOnClickListener { 37 | _itemClick?.let { 38 | val position = holder.adapterPosition 39 | if (position == RecyclerView.NO_POSITION) return@setOnClickListener 40 | val data: String = holder.itemView.tag as String 41 | it.invoke(data, position) 42 | } 43 | } 44 | } 45 | } 46 | 47 | class ViewHolder constructor(private val binding: ItemVerticalListBinding) : 48 | RecyclerView.ViewHolder(binding.root) { 49 | 50 | fun bind(position: Int) { 51 | binding.itemVTopPosition.text = "$position" 52 | binding.itemVBottomPosition.text = "$position" 53 | } 54 | } -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 8 | 9 | 15 | 18 | 21 | 22 | 23 | 24 | 30 | -------------------------------------------------------------------------------- /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/layout/activity_flex_list.xml: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_grid_list.xml: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_horizontal_list.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 19 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 |