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cgspinecgspine
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demo
1 parent be3fa13 commit 7648915

18 files changed

+1044
-11
lines changed

‎app/build.gradle‎

Lines changed: 25 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,11 +1,15 @@
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apply plugin: 'com.android.application'
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apply plugin: 'kotlin-android'
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apply plugin: 'kotlin-android-extensions'
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apply plugin: 'kotlin-kapt'
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android {
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compileSdkVersion 26
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compileSdkVersion parent.ext.compileSdkVersion
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buildToolsVersion parent.ext.buildToolsVersion
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defaultConfig {
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applicationId "org.cgsdream.demo"
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minSdkVersion 19
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targetSdkVersion 26
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minSdkVersion parent.ext.minSdkVersion
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targetSdkVersion parent.ext.targetSdkVersion
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
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}
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}
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configurations.all {
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resolutionStrategy {
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force "com.android.support:support-annotations:${supportVersion}"
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force "com.android.support:recyclerview-v7:$supportVersion"
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force "com.android.support:appcompat-v7:$supportVersion"
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force "com.android.support:design:$supportVersion"
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force "com.android.support:support-vector-drawable:$supportVersion"
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}
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}
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dependencies {
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implementation fileTree(dir: 'libs', include: ['*.jar'])
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implementation 'com.android.support:appcompat-v7:26.0.0-beta1'
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implementation "com.android.support:appcompat-v7:${supportVersion}"
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implementation "com.qmuiteam:qmui:${qmuiVersion}"
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implementation "com.jakewharton:butterknife:${butterknifeVersion}"
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kapt "com.jakewharton:butterknife-compiler:${butterknifeVersion}"
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implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
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testImplementation 'junit:junit:4.12'
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androidTestImplementation 'com.android.support.test:runner:1.0.1'
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androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'

‎app/src/main/AndroidManifest.xml‎

Lines changed: 8 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -7,5 +7,12 @@
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/AppTheme"/>
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android:theme="@style/AppTheme">
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN"/>
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<category android:name="android.intent.category.LAUNCHER"/>
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎app/src/main/java/org/cgsdream/demo/Cloneable.kt‎

Lines changed: 9 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,9 @@
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package org.cgsdream.demo
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/**
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* Created by cgspine on 2018/1/28.
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*/
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interface Cloneable<T>{
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fun clone(): T
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}

‎app/src/main/java/org/cgsdream/demo/DiffCallback.kt‎

Lines changed: 112 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,112 @@
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package org.cgsdream.demo
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import android.support.v7.util.DiffUtil
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import android.util.SparseArray
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/**
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* Created by cgspine on 2018/1/26.
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*/
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class DiffCallback<H: Cloneable<H>, T: Cloneable<T>>(private val oldList: List<Section<H, T>>, private val newList: List<Section<H, T>>) : DiffUtil.Callback() {
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private val mOldSectionIndex: SparseArray<Int> = SparseArray()
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private val mOldItemIndex: SparseArray<Int> = SparseArray()
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private val mNewSectionIndex: SparseArray<Int> = SparseArray()
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private val mNewItemIndex: SparseArray<Int> = SparseArray()
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init {
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generateIndex(oldList, mOldSectionIndex, mOldItemIndex)
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generateIndex(newList, mNewSectionIndex, mNewItemIndex)
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}
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override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
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val oldSectionIndex = mOldSectionIndex[oldItemPosition]
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val oldItemIndex = mOldItemIndex[oldItemPosition]
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val oldModel = oldList[oldSectionIndex]
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val newSectionIndex = mNewSectionIndex[newItemPosition]
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val newItemIndex = mNewItemIndex[newItemPosition]
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val newModel = newList[newSectionIndex]
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if (oldModel.header != newModel.header) {
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return false
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}
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if (oldItemIndex < 0 && oldItemIndex == newItemIndex) {
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return true
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}
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if (oldItemIndex < 0 || newItemIndex < 0) {
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return false
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}
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return oldModel.list[oldItemIndex] == newModel.list[newItemIndex]
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}
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override fun getOldListSize() = mOldSectionIndex.size()
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override fun getNewListSize() = mNewSectionIndex.size()
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override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
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val oldSectionIndex = mOldSectionIndex[oldItemPosition]
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val oldItemIndex = mOldItemIndex[oldItemPosition]
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val oldModel = oldList[oldSectionIndex]
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val newSectionIndex = mNewSectionIndex[newItemPosition]
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val newModel = newList[newSectionIndex]
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if (oldItemIndex == ITEM_INDEX_SECTION_HEADER) {
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return oldModel.isFold == newModel.isFold
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}
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if (oldItemIndex == ITEM_INDEX_LOAD_BEFORE || oldItemIndex == ITEM_INDEX_LOAD_AFTER) {
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// load more 强制返回 false，这样可以通过 FolderAdapter.onViewAttachedToWindow 触发 load more
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return false
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}
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return true
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}
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companion object {
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val ITEM_INDEX_SECTION_HEADER = -1
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val ITEM_INDEX_LOAD_BEFORE = -2
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val ITEM_INDEX_LOAD_AFTER = -3
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fun <H: Cloneable<H>, T: Cloneable<T>> generateIndex(list: List<Section<H, T>>,
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sectionIndex: SparseArray<Int>,
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itemIndex: SparseArray<Int>){
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sectionIndex.clear()
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itemIndex.clear()
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var i = 0
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list.forEachIndexed { index, it ->
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if (!it.isLocked) {
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sectionIndex.append(i, index)
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itemIndex.append(i, ITEM_INDEX_SECTION_HEADER)
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i++
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if (!it.isFold && it.count() > 0) {
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if (it.hasBefore) {
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sectionIndex.append(i, index)
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itemIndex.append(i, ITEM_INDEX_LOAD_BEFORE)
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i++
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}
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for (j in 0 until it.count()) {
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sectionIndex.append(i, index)
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itemIndex.append(i, j)
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i++
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}
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if (it.hasAfter) {
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sectionIndex.append(i, index)
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itemIndex.append(i, ITEM_INDEX_LOAD_AFTER)
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i++
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}
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}
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}
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}
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}
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}
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}

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