├── .gitignore ├── .idea ├── compiler.xml ├── copyright │ └── profiles_settings.xml ├── encodings.xml ├── misc.xml ├── modules.xml └── runConfigurations.xml ├── LICENSE.md ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── ch4vi │ │ └── flowlayout │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── ch4vi │ │ │ └── flowlayout │ │ │ ├── Adapter.kt │ │ │ ├── HorizontalActivity.kt │ │ │ └── MainActivity.kt │ └── res │ │ ├── layout │ │ ├── activity_main.xml │ │ └── card_view.xml │ │ ├── menu │ │ └── menu_orientantion.xml │ │ ├── mipmap-hdpi │ │ └── ic_launcher.png │ │ ├── mipmap-mdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxxhdpi │ │ └── ic_launcher.png │ │ ├── values-v21 │ │ └── styles.xml │ │ ├── values-w820dp │ │ └── dimens.xml │ │ └── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── ch4vi │ └── flowlayout │ └── ExampleUnitTest.java ├── build.gradle ├── flowlayoutmanager ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── ch4vi │ │ └── flowlayoutmanager │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── kotlin │ │ └── com │ │ │ └── ch4vi │ │ │ └── flowlayoutmanager │ │ │ └── FlowLayoutManager.kt │ └── res │ │ ├── drawable │ │ └── default_divider.xml │ │ ├── layout │ │ └── list_spacer.xml │ │ └── values │ │ ├── dimens.xml │ │ └── strings.xml │ └── test │ └── java │ └── com │ └── ch4vi │ └── flowlayoutmanager │ └── ExampleUnitTest.java ├── gradle └── wrapper │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle └── snapshots ├── horizontal.gif └── vertical.gif /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | /.idea/libraries 3 | .DS_Store 4 | /captures 5 | .externalNativeBuild 6 | ### Android template 7 | # Built application files 8 | *.apk 9 | *.ap_ 10 | 11 | # Files for the ART/Dalvik VM 12 | *.dex 13 | 14 | # Java class files 15 | *.class 16 | 17 | # Generated files 18 | bin/ 19 | gen/ 20 | out/ 21 | 22 | # Gradle files 23 | .gradle/ 24 | build/ 25 | 26 | # Local configuration file (sdk path, etc) 27 | local.properties 28 | 29 | # Proguard folder generated by Eclipse 30 | proguard/ 31 | 32 | # Log Files 33 | *.log 34 | 35 | # Android Studio Navigation editor temp files 36 | .navigation/ 37 | 38 | # Android Studio captures folder 39 | captures/ 40 | 41 | # Intellij 42 | .idea/workspace.xml 43 | 44 | # Keystore files 45 | *.jks 46 | ### Windows template 47 | # Windows image file caches 48 | Thumbs.db 49 | ehthumbs.db 50 | 51 | # Folder config file 52 | Desktop.ini 53 | 54 | # Recycle Bin used on file shares 55 | $RECYCLE.BIN/ 56 | 57 | # Windows Installer files 58 | *.cab 59 | *.msi 60 | *.msm 61 | *.msp 62 | 63 | # Windows shortcuts 64 | *.lnk 65 | ### OSX template 66 | *.DS_Store 67 | .AppleDouble 68 | .LSOverride 69 | 70 | # Icon must end with two \r 71 | Icon 72 | 73 | # Thumbnails 74 | ._* 75 | 76 | # Files that might appear in the root of a volume 77 | .DocumentRevisions-V100 78 | .fseventsd 79 | .Spotlight-V100 80 | .TemporaryItems 81 | .Trashes 82 | .VolumeIcon.icns 83 | .com.apple.timemachine.donotpresent 84 | 85 | # Directories potentially created on remote AFP share 86 | .AppleDB 87 | .AppleDesktop 88 | Network Trash Folder 89 | Temporary Items 90 | .apdisk 91 | ### Gradle template 92 | 93 | # Ignore Gradle GUI config 94 | gradle-app.setting 95 | 96 | # Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored) 97 | !gradle-wrapper.jar 98 | 99 | # Cache of project 100 | .gradletasknamecache 101 | 102 | # # Work around https://youtrack.jetbrains.com/issue/IDEA-116898 103 | # gradle/wrapper/gradle-wrapper.properties 104 | ### Java template 105 | 106 | # Mobile Tools for Java (J2ME) 107 | .mtj.tmp/ 108 | 109 | # Package Files # 110 | *.jar 111 | *.war 112 | *.ear 113 | 114 | # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml 115 | hs_err_pid* 116 | ### JetBrains template 117 | # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm 118 | # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839 119 | 120 | # User-specific stuff: 121 | .idea/tasks.xml 122 | .idea/dictionaries 123 | .idea/vcs.xml 124 | .idea/jsLibraryMappings.xml 125 | 126 | # Sensitive or high-churn files: 127 | .idea/dataSources.ids 128 | .idea/dataSources.xml 129 | .idea/dataSources.local.xml 130 | .idea/sqlDataSources.xml 131 | .idea/dynamic.xml 132 | .idea/uiDesigner.xml 133 | 134 | # Gradle: 135 | .idea/gradle.xml 136 | 137 | # Mongo Explorer plugin: 138 | .idea/mongoSettings.xml 139 | 140 | ## 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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 2016 Chavi Anyó 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. -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | FlowLayout – Android Layout Manager 2 | =================================== 3 | 4 | [ ![Download](https://api.bintray.com/packages/ch4vi/maven/flowlayout/images/download.svg) ](https://bintray.com/ch4vi/maven/flowlayout/_latestVersion) 5 | 6 | A LayoutManager that must be used with RecyclerView inspired by [Flow Layout for iOS](https://developer.apple.com/library/ios/documentation/WindowsViews/Conceptual/CollectionViewPGforIOS/UsingtheFlowLayout/UsingtheFlowLayout.html). 7 | 8 | The layout manager places cells on a linear path and fits as many cells along 9 | that line as it can. When the layout manager runs out of room on the current 10 | line, it creates a new line and continues the layout process there. 11 | 12 | ## Compile ## 13 | 14 | **Using Gradle** 15 | 16 | _Requires Min SDK version >= 10_ 17 | 18 | ``` 19 | compile 'com.ch4vi.flowlayoutmanager:flowlayoutmanager:1.0.2' 20 | ``` 21 | 22 | **Using Maven** 23 | ``` 24 | 25 | com.ch4vi.flowlayoutmanager 26 | flowlayoutmanager 27 | 1.0.2 28 | pom 29 | 30 | ``` 31 | 32 | 33 | ## Usage ## 34 | First of all add a RecyclerView to your layout 35 | ```xml 36 | 43 | ``` 44 | 45 | Then in your class initialize the RecyclerView, in this case with 3 columns, 46 | vertical orientation and the first cell size will be 1x1, the second 2x2... 47 | ```kotlin 48 | val manager = FlowLayoutManager(3, RecyclerView.VERTICAL, object : FlowLayoutManager.Interface { 49 | override fun getProportionalSizeForChild(position: Int): Pair { 50 | return when (position) { 51 | 0 -> Pair(1, 1) 52 | 1 -> Pair(2, 2) 53 | 2 -> Pair(4, 1) 54 | 3 -> Pair(3, 2) 55 | else -> Pair(1, 1) 56 | } 57 | } 58 | }) 59 | recyclerView.layoutManager = manager 60 | ``` 61 | 62 | **Note** If we add a cell too big for example if we have 3 columns and 63 | we add a cell 4x1, this cell will be ommited in the drawing process. 64 | 65 | Optionally you can add a custom space between the cells adding a dimen resource 66 | named "default_card_insets" and setting an item decoration to your RecyclerView 67 | like in the example 68 | ```xml 69 | 8dp 70 | ``` 71 | ```kotlin 72 | recyclerView.addItemDecoration(manager.InsetDecoration(this)) 73 | ``` 74 | 75 | 76 | ## Demo ## 77 | 78 | 79 | 80 | ## Credits ## 81 | * [Chavi Anyó](https://github.com/ch4vi) 82 | * [Álvaro Vilanova](https://github.com/alvivi) 83 | 84 | ## License ## 85 | FlowLayout is license under the Apache License. 86 | 87 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | apply plugin: 'kotlin-android' 3 | 4 | android { 5 | compileSdkVersion 25 6 | buildToolsVersion "25.0.1" 7 | defaultConfig { 8 | applicationId "com.ch4vi.flowlayout" 9 | minSdkVersion 10 10 | targetSdkVersion 25 11 | versionCode 1 12 | versionName "1.0" 13 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 14 | } 15 | buildTypes { 16 | release { 17 | minifyEnabled false 18 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 19 | } 20 | } 21 | sourceSets { 22 | main.java.srcDirs += 'src/main/kotlin' 23 | } 24 | } 25 | 26 | dependencies { 27 | compile project(':flowlayoutmanager') 28 | compile fileTree(include: ['*.jar'], dir: 'libs') 29 | testCompile 'junit:junit:4.12' 30 | androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { 31 | exclude group: 'com.android.support', module: 'support-annotations' 32 | }) 33 | compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version" 34 | compile 'com.android.support:appcompat-v7:25.1.0' 35 | compile 'com.android.support:design:25.1.0' 36 | } 37 | 38 | repositories { 39 | mavenCentral() 40 | } 41 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in E:\Instalacions\Android\sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/ch4vi/flowlayout/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.ch4vi.flowlayout; 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 | * Instrumentation 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() throws Exception { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("com.ch4vi.flowlayout", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /app/src/main/java/com/ch4vi/flowlayout/Adapter.kt: -------------------------------------------------------------------------------- 1 | package com.ch4vi.flowlayout 2 | 3 | import android.support.v7.widget.RecyclerView 4 | import android.view.LayoutInflater 5 | import android.view.View 6 | import android.view.ViewGroup 7 | import android.widget.TextView 8 | 9 | 10 | class Adapter(private val data: Array) : RecyclerView.Adapter() { 11 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder { 12 | val view = LayoutInflater.from(parent.context).inflate(R.layout.card_view, parent, false) 13 | return ViewHolder(view) 14 | } 15 | 16 | override fun getItemCount(): Int { 17 | return data.size 18 | } 19 | 20 | override fun onBindViewHolder(holder: ViewHolder, position: Int) { 21 | holder.text.text = data[position] 22 | // holder.primaryTag.text = data[position] 23 | // holder.secondaryTag.text = "## ${data[position]}" 24 | // holder.membersCount.text = "$position" 25 | 26 | } 27 | 28 | class ViewHolder(view: View) : RecyclerView.ViewHolder(view) { 29 | val text: TextView = view.findViewById(R.id.text_view) as TextView 30 | // val primaryTag: TextView = view.findViewById(R.id.primary_tag) as TextView 31 | // val secondaryTag: TextView = view.findViewById(R.id.secondary_tag) as TextView 32 | // val membersCount: TextView = view.findViewById(R.id.members_count) as TextView 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /app/src/main/java/com/ch4vi/flowlayout/HorizontalActivity.kt: -------------------------------------------------------------------------------- 1 | package com.ch4vi.flowlayout 2 | 3 | import android.os.Bundle 4 | import android.support.v7.app.AppCompatActivity 5 | import android.support.v7.widget.RecyclerView 6 | import android.support.v7.widget.Toolbar 7 | import android.view.Menu 8 | import android.view.MenuItem 9 | import android.widget.Button 10 | import android.widget.EditText 11 | import com.ch4vi.flowlayoutmanager.FlowLayoutManager 12 | 13 | class HorizontalActivity : AppCompatActivity() { 14 | 15 | override fun onCreate(savedInstanceState: Bundle?) { 16 | super.onCreate(savedInstanceState) 17 | setContentView(R.layout.activity_main) 18 | val toolbar = findViewById(R.id.toolbar) as Toolbar 19 | setSupportActionBar(toolbar) 20 | 21 | val recyclerView = findViewById(R.id.recycler_view) as RecyclerView 22 | recyclerView.setHasFixedSize(true) 23 | 24 | recyclerView.itemAnimator.addDuration = 1000 25 | recyclerView.itemAnimator.changeDuration = 1000 26 | recyclerView.itemAnimator.moveDuration = 500 27 | recyclerView.itemAnimator.removeDuration = 500 28 | 29 | val manager = FlowLayoutManager(3, RecyclerView.HORIZONTAL, object : FlowLayoutManager.Interface { 30 | override fun getProportionalSizeForChild(position: Int): Pair { 31 | return when (position) { 32 | 0 -> Pair(1, 1) 33 | 1 -> Pair(2, 2) 34 | 2 -> Pair(4, 1) 35 | 3 -> Pair(3, 2) 36 | else -> Pair(1, 1) 37 | } 38 | } 39 | }) 40 | recyclerView.layoutManager = manager 41 | recyclerView.addItemDecoration(manager.InsetDecoration(this)) 42 | recyclerView.adapter = Adapter((0..30).map(Int::toString).toTypedArray()) 43 | 44 | val input = findViewById(R.id.input) as EditText 45 | val leftButton = findViewById(R.id.button_left) as Button 46 | leftButton.text = "scroll to" 47 | leftButton.setOnClickListener { 48 | val position = input.text.toString().toInt() 49 | recyclerView.scrollToPosition(position) 50 | } 51 | 52 | val centerButton = findViewById(R.id.button_center) as Button 53 | centerButton.text = "smooth scroll to" 54 | centerButton.setOnClickListener { 55 | val position = input.text.toString().toInt() 56 | recyclerView.smoothScrollToPosition(position) 57 | } 58 | } 59 | 60 | override fun onCreateOptionsMenu(menu: Menu?): Boolean { 61 | menuInflater.inflate(R.menu.menu_orientantion, menu) 62 | return true 63 | } 64 | 65 | override fun onOptionsItemSelected(item: MenuItem?): Boolean { 66 | item ?: return true 67 | when (item.itemId) { 68 | R.id.orientation_vertical -> { 69 | onBackPressed() 70 | return true 71 | } 72 | else -> return super.onOptionsItemSelected(item) 73 | } 74 | } 75 | } 76 | -------------------------------------------------------------------------------- /app/src/main/java/com/ch4vi/flowlayout/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.ch4vi.flowlayout 2 | 3 | import android.content.Intent 4 | import android.os.Bundle 5 | import android.support.v7.app.AppCompatActivity 6 | import android.support.v7.widget.RecyclerView 7 | import android.support.v7.widget.Toolbar 8 | import android.view.Menu 9 | import android.view.MenuItem 10 | import android.widget.Button 11 | import android.widget.EditText 12 | import com.ch4vi.flowlayoutmanager.FlowLayoutManager 13 | 14 | class MainActivity : AppCompatActivity() { 15 | 16 | override fun onCreate(savedInstanceState: Bundle?) { 17 | super.onCreate(savedInstanceState) 18 | setContentView(R.layout.activity_main) 19 | val toolbar = findViewById(R.id.toolbar) as Toolbar 20 | setSupportActionBar(toolbar) 21 | 22 | val recyclerView = findViewById(R.id.recycler_view) as RecyclerView 23 | recyclerView.setHasFixedSize(true) 24 | 25 | recyclerView.itemAnimator.addDuration = 1000 26 | recyclerView.itemAnimator.changeDuration = 1000 27 | recyclerView.itemAnimator.moveDuration = 500 28 | recyclerView.itemAnimator.removeDuration = 500 29 | 30 | val manager = FlowLayoutManager(3, RecyclerView.VERTICAL, object : FlowLayoutManager.Interface { 31 | override fun getProportionalSizeForChild(position: Int): Pair { 32 | return when (position) { 33 | 0 -> Pair(1, 1) 34 | 1 -> Pair(2, 2) 35 | 2 -> Pair(4, 1) 36 | 3 -> Pair(3, 2) 37 | else -> Pair(1, 1) 38 | } 39 | } 40 | }) 41 | recyclerView.layoutManager = manager 42 | recyclerView.addItemDecoration(manager.InsetDecoration(this)) 43 | recyclerView.adapter = Adapter((0..30).map(Int::toString).toTypedArray()) 44 | 45 | val input = findViewById(R.id.input) as EditText 46 | val leftButton = findViewById(R.id.button_left) as Button 47 | leftButton.text = "scroll to" 48 | leftButton.setOnClickListener { 49 | val position = input.text.toString().toInt() 50 | recyclerView.scrollToPosition(position) 51 | } 52 | 53 | val centerButton = findViewById(R.id.button_center) as Button 54 | centerButton.text = "smooth scroll to" 55 | centerButton.setOnClickListener { 56 | val position = input.text.toString().toInt() 57 | recyclerView.smoothScrollToPosition(position) 58 | } 59 | } 60 | 61 | override fun onCreateOptionsMenu(menu: Menu?): Boolean { 62 | menuInflater.inflate(R.menu.menu_orientantion, menu) 63 | return true 64 | } 65 | 66 | override fun onOptionsItemSelected(item: MenuItem?): Boolean { 67 | item ?: return true 68 | when (item.itemId) { 69 | R.id.orientation_horizontal -> { 70 | startActivity(Intent(this, HorizontalActivity::class.java)) 71 | return true 72 | } 73 | else -> return super.onOptionsItemSelected(item) 74 | } 75 | } 76 | } 77 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 | 14 | 15 | 21 | 22 | 23 | 29 | 30 |