├── .gitignore ├── .idea ├── .gitignore ├── .name ├── compiler.xml ├── deploymentTargetDropDown.xml ├── gradle.xml ├── misc.xml └── vcs.xml ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── ardor │ │ └── draganddrop │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── ardor │ │ │ └── draganddrop │ │ │ ├── CommonBindingAdapter.kt │ │ │ ├── TwoRecyclerViewActivity.kt │ │ │ ├── adapter │ │ │ ├── RecyclerViewDragAdapter.kt │ │ │ └── SimpleAdapter.kt │ │ │ ├── model │ │ │ └── SimpleModel.kt │ │ │ └── viewmodel │ │ │ └── SampleViewModel.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ ├── dot_line.xml │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ ├── activity_two_recycler_view.xml │ │ ├── card_item.xml │ │ ├── empty_item.xml │ │ └── red_card_item.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 │ └── ardor │ └── draganddrop │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/caches 5 | /.idea/libraries 6 | /.idea/modules.xml 7 | /.idea/workspace.xml 8 | /.idea/navEditor.xml 9 | /.idea/assetWizardSettings.xml 10 | .DS_Store 11 | /build 12 | /captures 13 | .externalNativeBuild 14 | .cxx 15 | local.properties 16 | -------------------------------------------------------------------------------- /.idea/.gitignore: -------------------------------------------------------------------------------- 1 | # Default ignored files 2 | /shelf/ 3 | /workspace.xml 4 | -------------------------------------------------------------------------------- /.idea/.name: -------------------------------------------------------------------------------- 1 | draganddrop -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/deploymentTargetDropDown.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 19 | 20 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 17 | 18 | 19 | 20 | 21 | 22 | 24 | -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Drag and Drop between two RecyclerView 2 | 3 | > If this project is useful, please give it a star ⭐ 4 | 5 | An example of dragging and dropping from one `RecyclerView` into another `RecyclerView`. It can be used easily by implementing `DragListener.kt` (This code operates on android `api 24` and above.) 6 | 7 | 8 | 9 | ## 🗝 Used Libraries 10 | * DataBinding 11 | * ViewModel 12 | * LifeCycles 13 |
14 | 15 | ## 🎡 Description 16 | 17 | 🔴 RecyclerViewDragAdapter : abstract class for apply drag and drop to some adpater 18 | - isSwappable : `boolean` for swap item in same Recyclerview 19 | - onAdapterListener : It is callback listener for handling `viewmodel`, naming is free 20 | 21 | 22 | ### 👉 Usage 23 | 24 | ```kotlin 25 | class SimpleAdapter( 26 | override val isSwappable: Boolean, 27 | private val onAdapterListener: OnAdapterListener 28 | ) : RecyclerViewDragAdapter(diffUtil) { 29 | 30 | /*.skip..*/ 31 | 32 | override fun onAdd(item: SimpleModel) { 33 | onAdapterListener.onAdd(item) 34 | } 35 | 36 | override fun onRemove(item: SimpleModel) { 37 | onAdapterListener.onRemove(item) 38 | } 39 | 40 | 41 | override fun onSwap(from: Int, to: Int) { 42 | if(currentList.any { it.isRed }){ 43 | onAdapterListener.onSwap(true, from, to) 44 | }else{ 45 | onAdapterListener.onSwap(false, from, to) 46 | } 47 | } 48 | 49 | override fun onSet( 50 | targetIndex: Int, 51 | sourceIndex: Int, 52 | targetItem: SimpleModel, 53 | ) { 54 | onAdapterListener.onSet(targetIndex, sourceIndex, targetItem) 55 | } 56 | } 57 | ``` 58 |
59 | 60 | ## ☘️License 61 | ```xml 62 | Copyright 2022 Hunmo Yang 63 | 64 | Licensed under the Apache License, Version 2.0 (the "License"); 65 | you may not use this file except in compliance with the License. 66 | You may obtain a copy of the License at 67 | 68 | http://www.apache.org/licenses/LICENSE-2.0 69 | 70 | Unless required by applicable law or agreed to in writing, software 71 | distributed under the License is distributed on an "AS IS" BASIS, 72 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 73 | See the License for the specific language governing permissions and 74 | limitations under the License. 75 | ``` 76 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'com.android.application' 3 | id 'org.jetbrains.kotlin.android' 4 | id 'kotlin-kapt' 5 | } 6 | 7 | android { 8 | compileSdk 32 9 | 10 | defaultConfig { 11 | applicationId "com.ardor.draganddrop" 12 | minSdk 24 13 | targetSdk 32 14 | versionCode 1 15 | versionName "1.0" 16 | 17 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 18 | } 19 | 20 | buildTypes { 21 | release { 22 | minifyEnabled false 23 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 24 | } 25 | } 26 | compileOptions { 27 | sourceCompatibility JavaVersion.VERSION_1_8 28 | targetCompatibility JavaVersion.VERSION_1_8 29 | } 30 | 31 | dataBinding{ 32 | enabled true 33 | } 34 | 35 | kotlinOptions { 36 | jvmTarget = '1.8' 37 | } 38 | } 39 | 40 | dependencies { 41 | 42 | implementation 'androidx.core:core-ktx:1.7.0' 43 | implementation "androidx.fragment:fragment-ktx:1.5.2" 44 | implementation 'androidx.appcompat:appcompat:1.5.0' 45 | implementation 'com.google.android.material:material:1.6.1' 46 | implementation 'androidx.constraintlayout:constraintlayout:2.1.4' 47 | testImplementation 'junit:junit:4.13.2' 48 | androidTestImplementation 'androidx.test.ext:junit:1.1.3' 49 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0' 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/ardor/draganddrop/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.ardor.draganddrop 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.ardor.draganddrop", appContext.packageName) 23 | } 24 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 16 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /app/src/main/java/com/ardor/draganddrop/CommonBindingAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.ardor.draganddrop 2 | 3 | import androidx.databinding.BindingAdapter 4 | import androidx.recyclerview.widget.GridLayoutManager 5 | import androidx.recyclerview.widget.RecyclerView 6 | import com.ardor.draganddrop.adapter.SimpleAdapter 7 | import com.ardor.draganddrop.model.SimpleModel 8 | 9 | object CommonBindingAdapter { 10 | 11 | @BindingAdapter( 12 | value = ["data", "onAdapterListener", "isSwappable"] 13 | ) 14 | @JvmStatic 15 | fun bindGeneralDragRecyclerView( 16 | view: RecyclerView, 17 | data: List?, 18 | onAdapterListener: SimpleAdapter.OnAdapterListener, 19 | isSwappable: Boolean?, 20 | ) { 21 | view.setHasFixedSize(true) 22 | data?.let { items -> 23 | val adapter = view.adapter as? SimpleAdapter 24 | adapter?.submitList(items) ?: run { 25 | view.layoutManager = GridLayoutManager(view.context, 3) 26 | view.adapter = 27 | SimpleAdapter(isSwappable ?: false, onAdapterListener).apply { 28 | submitList(items) 29 | view.setOnDragListener(dragListener) 30 | } 31 | } 32 | } 33 | } 34 | 35 | } -------------------------------------------------------------------------------- /app/src/main/java/com/ardor/draganddrop/TwoRecyclerViewActivity.kt: -------------------------------------------------------------------------------- 1 | package com.ardor.draganddrop 2 | 3 | import android.os.Bundle 4 | import androidx.activity.viewModels 5 | import androidx.appcompat.app.AppCompatActivity 6 | import androidx.databinding.DataBindingUtil 7 | import com.ardor.draganddrop.adapter.SimpleAdapter 8 | import com.ardor.draganddrop.databinding.ActivityTwoRecyclerViewBinding 9 | import com.ardor.draganddrop.model.SimpleModel 10 | import com.ardor.draganddrop.viewmodel.SampleViewModel 11 | 12 | class TwoRecyclerViewActivity : AppCompatActivity(), SimpleAdapter.OnAdapterListener { 13 | lateinit var binding: ActivityTwoRecyclerViewBinding 14 | private val viewModel: SampleViewModel by viewModels() 15 | private val data: List = listOf( 16 | SimpleModel("One", false), 17 | SimpleModel("Two", false), 18 | SimpleModel("Three", false), 19 | SimpleModel("Four", false), 20 | SimpleModel("Five", false), 21 | ) 22 | 23 | override fun onCreate(savedInstanceState: Bundle?) { 24 | super.onCreate(savedInstanceState) 25 | binding = DataBindingUtil.setContentView(this, R.layout.activity_two_recycler_view) 26 | binding.viewmodel = viewModel 27 | binding.lifecycleOwner = this 28 | binding.onAdapterListener = this 29 | 30 | viewModel.setData(data) 31 | } 32 | 33 | override fun onAdd(itemInfo: SimpleModel) { 34 | viewModel.onAdd(itemInfo) 35 | } 36 | 37 | override fun onRemove(itemInfo: SimpleModel) { 38 | viewModel.onRemove(itemInfo) 39 | } 40 | 41 | override fun onSet(targetIndex: Int, sourceIndex: Int, itemInfo: SimpleModel) { 42 | viewModel.onSet(targetIndex, sourceIndex, itemInfo) 43 | } 44 | 45 | override fun onSwap(isRed: Boolean, from: Int, to: Int) { 46 | viewModel.onSwap(isRed, from, to) 47 | } 48 | } -------------------------------------------------------------------------------- /app/src/main/java/com/ardor/draganddrop/adapter/RecyclerViewDragAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.ardor.draganddrop.adapter 2 | 3 | import android.view.DragEvent 4 | import android.view.View 5 | import androidx.recyclerview.widget.DiffUtil 6 | import androidx.recyclerview.widget.ListAdapter 7 | import androidx.recyclerview.widget.RecyclerView 8 | 9 | abstract class RecyclerViewDragAdapter( 10 | diffUtil: DiffUtil.ItemCallback 11 | ) : ListAdapter(diffUtil) { 12 | 13 | abstract val isSwappable: Boolean 14 | val dragListener = object : View.OnDragListener { 15 | override fun onDrag(view: View?, event: DragEvent?): Boolean { 16 | event?.let { 17 | if (it.action == DragEvent.ACTION_DROP) { 18 | val sourceView = it.localState as View 19 | val sourceRecyclerView = sourceView.parent as RecyclerView 20 | val sourceAdapter = sourceRecyclerView.adapter as RecyclerViewDragAdapter 21 | val sourcePosition = sourceRecyclerView.getChildAdapterPosition(sourceView) 22 | view?.let { targetView -> 23 | var targetRecyclerView: RecyclerView? = targetView as? RecyclerView 24 | if (targetRecyclerView == null) { 25 | targetRecyclerView = targetView.parent as? RecyclerView 26 | } 27 | if (targetRecyclerView !is RecyclerView) { 28 | return false 29 | } 30 | val targetAdapter = 31 | targetRecyclerView.adapter as RecyclerViewDragAdapter 32 | val targetPosition = if (targetView is RecyclerView) { 33 | targetAdapter.currentList.size 34 | } else { 35 | targetRecyclerView.getChildAdapterPosition(targetView) 36 | } 37 | //if same Recyclerview swap two item 38 | if (sourceRecyclerView.id == targetRecyclerView.id) { 39 | if (isSwappable) { 40 | if (targetPosition >= 0 && sourceAdapter.currentList[targetPosition] != null) { 41 | if (targetPosition >= 0) { 42 | sourceAdapter.onSwap(sourcePosition, targetPosition) 43 | } else { 44 | sourceAdapter.onSwap( 45 | sourcePosition, 46 | sourceAdapter.currentList.size - 1 47 | ) 48 | } 49 | } 50 | } 51 | } else { 52 | try { 53 | targetAdapter.currentList[targetPosition]?.let { 54 | sourceAdapter.onSet( 55 | targetPosition, 56 | sourcePosition, 57 | targetAdapter.currentList[targetPosition] 58 | ) 59 | } ?: run { 60 | targetAdapter.onAdd(sourceAdapter.currentList[sourcePosition]) 61 | } 62 | } catch (e: IndexOutOfBoundsException) { 63 | sourceAdapter.onRemove(sourceAdapter.currentList[sourcePosition]) 64 | } 65 | } 66 | } ?: run { 67 | return false 68 | } 69 | } 70 | } 71 | return true 72 | } 73 | } 74 | 75 | abstract fun onAdd(item: T) 76 | 77 | abstract fun onRemove(item: T) 78 | 79 | abstract fun onSet(targetIndex: Int, sourceIndex: Int, targetItem: T) 80 | 81 | abstract fun onSwap(from: Int, to: Int) 82 | 83 | } -------------------------------------------------------------------------------- /app/src/main/java/com/ardor/draganddrop/adapter/SimpleAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.ardor.draganddrop.adapter 2 | 3 | import android.content.ClipData 4 | import android.view.LayoutInflater 5 | import android.view.View 6 | import android.view.ViewGroup 7 | import androidx.recyclerview.widget.DiffUtil 8 | import androidx.recyclerview.widget.RecyclerView 9 | import com.ardor.draganddrop.databinding.CardItemBinding 10 | import com.ardor.draganddrop.databinding.EmptyItemBinding 11 | import com.ardor.draganddrop.databinding.RedCardItemBinding 12 | import com.ardor.draganddrop.model.SimpleModel 13 | 14 | class SimpleAdapter( 15 | override val isSwappable: Boolean, 16 | private val onAdapterListener: OnAdapterListener 17 | ) : RecyclerViewDragAdapter(diffUtil) { 18 | 19 | inner class BlueViewHolder(private val binding: CardItemBinding) : 20 | RecyclerView.ViewHolder(binding.root) { 21 | fun bind(text: SimpleModel) { 22 | binding.title.text = text.name 23 | binding.root.setOnLongClickListener { view -> 24 | val data = ClipData.newPlainText("", "") 25 | val shadowBuilder = View.DragShadowBuilder(view) 26 | view?.startDragAndDrop(data, shadowBuilder, view, 0) 27 | false 28 | } 29 | binding.item.setOnDragListener(dragListener) 30 | } 31 | } 32 | 33 | inner class EmptyViewHolder(private val binding: EmptyItemBinding) : 34 | RecyclerView.ViewHolder(binding.root) { 35 | fun bind() { 36 | binding.item.setOnDragListener(dragListener) 37 | } 38 | } 39 | 40 | inner class RedViewHolder(private val binding: RedCardItemBinding) : 41 | RecyclerView.ViewHolder(binding.root) { 42 | fun bind(text: SimpleModel) { 43 | binding.title.text = text.name 44 | binding.root.setOnLongClickListener { view -> 45 | val data = ClipData.newPlainText("", "") 46 | val shadowBuilder = View.DragShadowBuilder(view) 47 | view?.startDragAndDrop(data, shadowBuilder, view, 0) 48 | false 49 | } 50 | binding.item.setOnDragListener(dragListener) 51 | 52 | } 53 | } 54 | 55 | override fun getItemViewType(position: Int): Int { 56 | return if (currentList[position] == null) EMPTY_TYPE 57 | else if (currentList[position].isRed) RED_TYPE 58 | else BLUE_TYPE 59 | } 60 | 61 | 62 | override fun onCreateViewHolder( 63 | parent: ViewGroup, 64 | viewType: Int 65 | ): RecyclerView.ViewHolder { 66 | return when (viewType) { 67 | EMPTY_TYPE -> { 68 | EmptyViewHolder( 69 | EmptyItemBinding.inflate( 70 | LayoutInflater.from(parent.context), 71 | parent, 72 | false 73 | ) 74 | ) 75 | } 76 | RED_TYPE -> { 77 | RedViewHolder( 78 | RedCardItemBinding.inflate( 79 | LayoutInflater.from(parent.context), 80 | parent, 81 | false 82 | ) 83 | ) 84 | } 85 | else -> { 86 | BlueViewHolder( 87 | CardItemBinding.inflate( 88 | LayoutInflater.from(parent.context), 89 | parent, 90 | false 91 | ) 92 | ) 93 | } 94 | } 95 | } 96 | 97 | override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) { 98 | when (getItemViewType(position)) { 99 | EMPTY_TYPE -> { 100 | (holder as EmptyViewHolder).bind() 101 | } 102 | BLUE_TYPE -> { 103 | (holder as BlueViewHolder).bind(getItem(position)) 104 | } 105 | RED_TYPE -> { 106 | (holder as RedViewHolder).bind(getItem(position)) 107 | } 108 | } 109 | } 110 | 111 | interface OnAdapterListener { 112 | fun onAdd(itemInfo: SimpleModel) 113 | fun onRemove(itemInfo: SimpleModel) 114 | fun onSet(targetIndex: Int, sourceIndex: Int ,itemInfo: SimpleModel) 115 | fun onSwap(isRed: Boolean, from: Int, to: Int) 116 | } 117 | 118 | companion object { 119 | 120 | private const val BLUE_TYPE = 0 121 | private const val RED_TYPE = 1 122 | private const val EMPTY_TYPE = 2 123 | 124 | val diffUtil = object : DiffUtil.ItemCallback() { 125 | override fun areItemsTheSame(oldItem: SimpleModel, newItem: SimpleModel): Boolean { 126 | return oldItem.name == newItem.name 127 | } 128 | 129 | override fun areContentsTheSame(oldItem: SimpleModel, newItem: SimpleModel): Boolean { 130 | return oldItem == newItem 131 | } 132 | } 133 | } 134 | 135 | override fun onAdd(item: SimpleModel) { 136 | onAdapterListener.onAdd(item) 137 | } 138 | 139 | override fun onRemove(item: SimpleModel) { 140 | onAdapterListener.onRemove(item) 141 | } 142 | 143 | 144 | override fun onSwap(from: Int, to: Int) { 145 | if(currentList.any { it.isRed }){ 146 | onAdapterListener.onSwap(true, from, to) 147 | }else{ 148 | onAdapterListener.onSwap(false, from, to) 149 | } 150 | } 151 | 152 | override fun onSet( 153 | targetIndex: Int, 154 | sourceIndex: Int, 155 | targetItem: SimpleModel, 156 | ) { 157 | onAdapterListener.onSet(targetIndex, sourceIndex, targetItem) 158 | } 159 | 160 | } -------------------------------------------------------------------------------- /app/src/main/java/com/ardor/draganddrop/model/SimpleModel.kt: -------------------------------------------------------------------------------- 1 | package com.ardor.draganddrop.model 2 | 3 | data class SimpleModel( 4 | val name : String, 5 | var isRed : Boolean = false 6 | ) 7 | -------------------------------------------------------------------------------- /app/src/main/java/com/ardor/draganddrop/viewmodel/SampleViewModel.kt: -------------------------------------------------------------------------------- 1 | package com.ardor.draganddrop.viewmodel 2 | 3 | import androidx.lifecycle.LiveData 4 | import androidx.lifecycle.MutableLiveData 5 | import androidx.lifecycle.ViewModel 6 | import com.ardor.draganddrop.model.SimpleModel 7 | import java.util.* 8 | 9 | class SampleViewModel : ViewModel() { 10 | private val _bottomData: MutableLiveData> = MutableLiveData() 11 | val bottomData: LiveData> = _bottomData 12 | 13 | var tempData: MutableList = 14 | arrayListOf(SimpleModel("one", true), null, null) 15 | 16 | private val _topData: MutableLiveData> = MutableLiveData() 17 | val topData: LiveData> = _topData 18 | 19 | fun setData(items: List) { 20 | _bottomData.value = items 21 | } 22 | 23 | fun setTopData(list: MutableList) { 24 | _topData.value = list 25 | } 26 | 27 | fun setBottomData(list: MutableList) { 28 | _bottomData.value = list 29 | } 30 | 31 | fun onSet(targetIndex: Int, sourceIndex: Int, targetItem: SimpleModel) { 32 | val topTempData = _topData.value?.toMutableList() 33 | val bottomTempData = _bottomData.value?.toMutableList() 34 | 35 | if (targetItem.isRed) { 36 | val item = bottomTempData?.get(sourceIndex)?.copy(isRed = true) 37 | topTempData?.let { 38 | it[targetIndex] = item 39 | } 40 | 41 | bottomTempData?.let { 42 | it[sourceIndex] = targetItem.copy(isRed = false) 43 | } 44 | 45 | } else { 46 | val item = topTempData?.get(targetIndex)?.copy(isRed = false) 47 | topTempData?.let { 48 | it[targetIndex] = targetItem.copy(isRed = true) 49 | } 50 | 51 | bottomTempData?.let { 52 | it[sourceIndex] = item 53 | } 54 | } 55 | _bottomData.value = bottomTempData?.toList() 56 | _topData.value = topTempData?.toList() 57 | } 58 | 59 | fun onRemove(item: SimpleModel) { 60 | if (item.isRed) { 61 | _topData.value?.let { topData -> 62 | val topTempData = topData.toMutableList() 63 | val bottomTempData = _bottomData.value?.toMutableList() 64 | for (i in topTempData.indices) { 65 | if (topTempData[i] == item) { 66 | topTempData[i] = null 67 | break 68 | } 69 | } 70 | _topData.value = topTempData.toList() 71 | bottomTempData?.add(item.copy(isRed = false)) 72 | _bottomData.value = bottomTempData?.toList() 73 | } 74 | } else { 75 | _bottomData.value?.let { bottomData -> 76 | val topTempData = _topData.value?.toMutableList() 77 | val bottomTempData = bottomData.toMutableList() 78 | bottomTempData.remove(item) 79 | _bottomData.value = bottomTempData.toList() 80 | for (i in topTempData?.indices!!) { 81 | if (topTempData[i] == null) { 82 | topTempData[i] = item.copy(isRed = true) 83 | break 84 | } 85 | } 86 | topTempData.sortWith(Comparator.nullsLast(null)) 87 | _topData.value = topTempData.toList() 88 | } 89 | } 90 | } 91 | 92 | fun onAdd(item: SimpleModel) { 93 | if (!item.isRed) { 94 | _topData.value?.let { topData -> 95 | val topTempData = topData.toMutableList() 96 | val bottomTempData = _bottomData.value?.toMutableList() 97 | 98 | if (topTempData.filterNotNull().size < TOP_DATA_MAX_SIZE) { 99 | for (i in topTempData.indices) { 100 | if (topTempData[i] == null) { 101 | topTempData[i] = item.copy(isRed = true) 102 | break 103 | } 104 | } 105 | _topData.value = topTempData.toList() 106 | bottomTempData?.remove(item) 107 | _bottomData.value = bottomTempData?.toList() 108 | } 109 | } 110 | } else { 111 | _bottomData.value?.let { bottomData -> 112 | val topTempData = _topData.value?.toMutableList() 113 | val bottomTempData = bottomData.toMutableList() 114 | 115 | bottomTempData.add(item.copy(isRed = false)) 116 | _bottomData.value = bottomTempData.toList() 117 | topTempData?.remove(item) 118 | topTempData?.add(null) 119 | topTempData?.sortWith(Comparator.nullsLast(null)) 120 | _topData.value = topTempData?.toList() 121 | } 122 | } 123 | } 124 | 125 | fun onSwap(isRed: Boolean, from: Int, to: Int) { 126 | if (isRed) { 127 | _topData.value?.let { 128 | val data = it.toMutableList() 129 | Collections.swap(data, from, to) 130 | _topData.value = data.toList() 131 | } 132 | } else { 133 | _bottomData.value?.let { 134 | val data = it.toMutableList() 135 | Collections.swap(data, from, to) 136 | _bottomData.value = data.toList() 137 | } 138 | } 139 | } 140 | 141 | init { 142 | _topData.value = tempData 143 | } 144 | 145 | companion object { 146 | const val TOP_DATA_MAX_SIZE = 3 147 | } 148 | } -------------------------------------------------------------------------------- /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/dot_line.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | -------------------------------------------------------------------------------- /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_two_recycler_view.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 7 | 10 | 11 | 14 | 15 | 16 | 17 | 21 | 22 | 32 | 33 | 43 | 44 | 45 | -------------------------------------------------------------------------------- /app/src/main/res/layout/card_item.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 8 | 9 | 16 | 17 | 20 | 21 | 31 | 32 | 45 | 46 | 47 | 48 | -------------------------------------------------------------------------------- /app/src/main/res/layout/empty_item.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 8 | 9 | 16 | 17 | 21 | 22 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /app/src/main/res/layout/red_card_item.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 8 | 9 | 16 | 17 | 20 | 21 | 31 | 32 | 45 | 46 | 47 | 48 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/app/src/main/res/mipmap-hdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/app/src/main/res/mipmap-mdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/app/src/main/res/mipmap-xhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/values-night/themes.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #FFBB86FC 4 | #FF6200EE 5 | #FF3700B3 6 | #FF03DAC5 7 | #FF018786 8 | #FF000000 9 | #FFFFFFFF 10 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | draganddrop 3 | -------------------------------------------------------------------------------- /app/src/main/res/values/themes.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16 | -------------------------------------------------------------------------------- /app/src/main/res/xml/backup_rules.xml: -------------------------------------------------------------------------------- 1 | 8 | 9 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/xml/data_extraction_rules.xml: -------------------------------------------------------------------------------- 1 | 6 | 7 | 8 | 12 | 13 | 19 | -------------------------------------------------------------------------------- /app/src/test/java/com/ardor/draganddrop/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package com.ardor.draganddrop 2 | 3 | import org.junit.Test 4 | 5 | import org.junit.Assert.* 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * See [testing documentation](http://d.android.com/tools/testing). 11 | */ 12 | class ExampleUnitTest { 13 | @Test 14 | fun addition_isCorrect() { 15 | assertEquals(4, 2 + 2) 16 | } 17 | } -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | plugins { 3 | id 'com.android.application' version '7.2.1' apply false 4 | id 'com.android.library' version '7.2.1' apply false 5 | id 'org.jetbrains.kotlin.android' version '1.6.10' apply false 6 | } 7 | 8 | task clean(type: Delete) { 9 | delete rootProject.buildDir 10 | } -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | # IDE (e.g. Android Studio) users: 3 | # Gradle settings configured through the IDE *will override* 4 | # any settings specified in this file. 5 | # For more details on how to configure your build environment visit 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html 7 | # Specifies the JVM arguments used for the daemon process. 8 | # The setting is particularly useful for tweaking memory settings. 9 | org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8 10 | # When configured, Gradle will run in incubating parallel mode. 11 | # This option should only be used with decoupled projects. More details, visit 12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 13 | # org.gradle.parallel=true 14 | # AndroidX package structure to make it clearer which packages are bundled with the 15 | # Android operating system, and which are packaged with your app"s APK 16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn 17 | android.useAndroidX=true 18 | # Kotlin code style for this project: "official" or "obsolete": 19 | kotlin.code.style=official 20 | # Enables namespacing of each library's R class so that its R class includes only the 21 | # resources declared in the library itself and none from the library's dependencies, 22 | # thereby reducing the size of the R class for that library 23 | android.nonTransitiveRClass=true -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huniflow/DragAndDropTwoRecyclerView/4e9c59325eeac62e0ef902ecde987b43959f5445/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Tue Sep 06 08:47:36 KST 2022 2 | distributionBase=GRADLE_USER_HOME 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip 4 | distributionPath=wrapper/dists 5 | zipStorePath=wrapper/dists 6 | zipStoreBase=GRADLE_USER_HOME 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | # 4 | # Copyright 2015 the original author or authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | ## 21 | ## Gradle start up script for UN*X 22 | ## 23 | ############################################################################## 24 | 25 | # Attempt to set APP_HOME 26 | # Resolve links: $0 may be a link 27 | PRG="$0" 28 | # Need this for relative symlinks. 29 | while [ -h "$PRG" ] ; do 30 | ls=`ls -ld "$PRG"` 31 | link=`expr "$ls" : '.*-> \(.*\)$'` 32 | if expr "$link" : '/.*' > /dev/null; then 33 | PRG="$link" 34 | else 35 | PRG=`dirname "$PRG"`"/$link" 36 | fi 37 | done 38 | SAVED="`pwd`" 39 | cd "`dirname \"$PRG\"`/" >/dev/null 40 | APP_HOME="`pwd -P`" 41 | cd "$SAVED" >/dev/null 42 | 43 | APP_NAME="Gradle" 44 | APP_BASE_NAME=`basename "$0"` 45 | 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 48 | 49 | # Use the maximum available, or set MAX_FD != -1 to use that value. 50 | MAX_FD="maximum" 51 | 52 | warn () { 53 | echo "$*" 54 | } 55 | 56 | die () { 57 | echo 58 | echo "$*" 59 | echo 60 | exit 1 61 | } 62 | 63 | # OS specific support (must be 'true' or 'false'). 64 | cygwin=false 65 | msys=false 66 | darwin=false 67 | nonstop=false 68 | case "`uname`" in 69 | CYGWIN* ) 70 | cygwin=true 71 | ;; 72 | Darwin* ) 73 | darwin=true 74 | ;; 75 | MINGW* ) 76 | msys=true 77 | ;; 78 | NONSTOP* ) 79 | nonstop=true 80 | ;; 81 | esac 82 | 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 84 | 85 | 86 | # Determine the Java command to use to start the JVM. 87 | if [ -n "$JAVA_HOME" ] ; then 88 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 89 | # IBM's JDK on AIX uses strange locations for the executables 90 | JAVACMD="$JAVA_HOME/jre/sh/java" 91 | else 92 | JAVACMD="$JAVA_HOME/bin/java" 93 | fi 94 | if [ ! -x "$JAVACMD" ] ; then 95 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 96 | 97 | Please set the JAVA_HOME variable in your environment to match the 98 | location of your Java installation." 99 | fi 100 | else 101 | JAVACMD="java" 102 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 103 | 104 | Please set the JAVA_HOME variable in your environment to match the 105 | location of your Java installation." 106 | fi 107 | 108 | # Increase the maximum file descriptors if we can. 109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 110 | MAX_FD_LIMIT=`ulimit -H -n` 111 | if [ $? -eq 0 ] ; then 112 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 113 | MAX_FD="$MAX_FD_LIMIT" 114 | fi 115 | ulimit -n $MAX_FD 116 | if [ $? -ne 0 ] ; then 117 | warn "Could not set maximum file descriptor limit: $MAX_FD" 118 | fi 119 | else 120 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 121 | fi 122 | fi 123 | 124 | # For Darwin, add options to specify how the application appears in the dock 125 | if $darwin; then 126 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 127 | fi 128 | 129 | # For Cygwin or MSYS, switch paths to Windows format before running java 130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then 131 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 132 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 133 | 134 | JAVACMD=`cygpath --unix "$JAVACMD"` 135 | 136 | # We build the pattern for arguments to be converted via cygpath 137 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 138 | SEP="" 139 | for dir in $ROOTDIRSRAW ; do 140 | ROOTDIRS="$ROOTDIRS$SEP$dir" 141 | SEP="|" 142 | done 143 | OURCYGPATTERN="(^($ROOTDIRS))" 144 | # Add a user-defined pattern to the cygpath arguments 145 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 146 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 147 | fi 148 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 149 | i=0 150 | for arg in "$@" ; do 151 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 152 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 153 | 154 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 155 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 156 | else 157 | eval `echo args$i`="\"$arg\"" 158 | fi 159 | i=`expr $i + 1` 160 | done 161 | case $i in 162 | 0) set -- ;; 163 | 1) set -- "$args0" ;; 164 | 2) set -- "$args0" "$args1" ;; 165 | 3) set -- "$args0" "$args1" "$args2" ;; 166 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 167 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 168 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 169 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 170 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 171 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 172 | esac 173 | fi 174 | 175 | # Escape application args 176 | save () { 177 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 178 | echo " " 179 | } 180 | APP_ARGS=`save "$@"` 181 | 182 | # Collect all arguments for the java command, following the shell quoting and substitution rules 183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 184 | 185 | exec "$JAVACMD" "$@" 186 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if "%ERRORLEVEL%" == "0" goto execute 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto execute 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :execute 68 | @rem Setup the command line 69 | 70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 71 | 72 | 73 | @rem Execute Gradle 74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 75 | 76 | :end 77 | @rem End local scope for the variables with windows NT shell 78 | if "%ERRORLEVEL%"=="0" goto mainEnd 79 | 80 | :fail 81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 82 | rem the _cmd.exe /c_ return code! 83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 84 | exit /b 1 85 | 86 | :mainEnd 87 | if "%OS%"=="Windows_NT" endlocal 88 | 89 | :omega 90 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | pluginManagement { 2 | repositories { 3 | gradlePluginPortal() 4 | google() 5 | mavenCentral() 6 | } 7 | } 8 | dependencyResolutionManagement { 9 | repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) 10 | repositories { 11 | google() 12 | mavenCentral() 13 | } 14 | } 15 | rootProject.name = "draganddrop" 16 | include ':app' 17 | --------------------------------------------------------------------------------