[
{
"path": ".gitignore",
"content": "*.iml\n.gradle\n/local.properties\n/.idea/workspace.xml\n/.idea/libraries\n.DS_Store\n/build\n/captures\n.externalNativeBuild\n"
},
{
"path": ".idea/gradle.xml",
"content": "\n\n \n \n \n"
},
{
"path": ".idea/misc.xml",
"content": "\n\n \n \n \n \n \n \n \n \n \n \n \n \n"
},
{
"path": ".idea/modules.xml",
"content": "\n\n \n \n \n \n \n \n"
},
{
"path": ".idea/runConfigurations.xml",
"content": "\n\n \n \n \n"
},
{
"path": ".idea/vcs.xml",
"content": "\n\n \n \n \n"
},
{
"path": "README.md",
"content": "# behavior-learn\n该项目是为了练习-> 使用`CoordinatorLayout.Behavior` 实现页面复杂联动效果\n代码模仿实现美团商家详情界面内容联动\n\n\n\n\n[download apk](https://github.com/iielse/behavior-learn/blob/master/app-behavior.apk)\n\n开发使用知识点顺带涉及到：\n1. Scroller+Handler 实现View自动滑动\n2. View属性动画\n3. 触摸事件分发机制\n4. ConstraintLayout约束布局\n\nemmmmmmm 继续加油咯~\n"
},
{
"path": "app/.gitignore",
"content": "/build\n"
},
{
"path": "app/build.gradle",
"content": "apply plugin: 'com.android.application'\napply plugin: 'kotlin-android'\napply plugin: 'kotlin-android-extensions'\n\nandroid {\n compileSdkVersion COMPILE_SDK_VERSION as int\n buildToolsVersion ANDROID_SUPPORT_VERSION\n defaultConfig {\n applicationId APPLICATION_ID\n minSdkVersion MIN_SDK_VERSION as int\n targetSdkVersion TARGET_SDK_VERSION as int\n versionCode VERSION_CODE as int\n versionName VERSION_NAME\n flavorDimensions VERSION_CODE\n\n multiDexEnabled true\n\n ndk {\n abiFilters 'armeabi'\n }\n }\n buildTypes {\n release {\n minifyEnabled false\n proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'\n }\n }\n sourceSets {\n main.jniLibs.srcDirs = ['libs']\n }\n lintOptions {\n abortOnError false\n }\n packagingOptions {\n exclude 'META-INF/DEPENDENCIES.txt'\n exclude 'META-INF/LICENSE.txt'\n exclude 'META-INF/NOTICE.txt'\n exclude 'META-INF/NOTICE'\n exclude 'META-INF/LICENSE'\n exclude 'META-INF/DEPENDENCIES'\n exclude 'META-INF/notice.txt'\n exclude 'META-INF/license.txt'\n exclude 'META-INF/dependencies.txt'\n exclude 'META-INF/LGPL2.1'\n }\n}\n\ndependencies {\n implementation rootProject.ext.support_multidex\n implementation rootProject.ext.support_support_v4\n implementation rootProject.ext.support_appcompat_v7\n implementation rootProject.ext.support_recyclerview_v7\n implementation rootProject.ext.support_design\n implementation 'com.android.support.constraint:constraint-layout:1.1.1'\n implementation rootProject.ext.kotlin\n implementation rootProject.ext.kotlin_stdlib\n implementation rootProject.ext.kotlin_anko_common\n implementation rootProject.ext.glide\n annotationProcessor rootProject.ext.glide_compiler\n implementation rootProject.ext.glide_transformations\n implementation rootProject.ext.list_pull_to_refresh\n implementation rootProject.ext.list_adapter\n implementation rootProject.ext.eventbus\n\n implementation files('libs/overscroll-release-v1.1-20160904.jar')\n implementation 'com.oushangfeng:PinnedSectionItemDecoration:1.2.4'\n implementation 'com.ogaclejapan.smarttablayout:library:1.6.1@aar'\n implementation 'com.hyman:flowlayout-lib:1.1.1'\n}\nrepositories {\n mavenCentral()\n flatDir { dirs 'libs' }\n}\n"
},
{
"path": "app/proguard-rules.pro",
"content": "# Add project specific ProGuard rules here.\n# You can control the set of applied configuration files using the\n# proguardFiles setting in build.gradle.\n#\n# For more details, see\n# http://developer.android.com/guide/developing/tools/proguard.html\n\n# If your project uses WebView with JS, uncomment the following\n# and specify the fully qualified class name to the JavaScript interface\n# class:\n#-keepclassmembers class fqcn.of.javascript.interface.for.webview {\n# public *;\n#}\n\n# Uncomment this to preserve the line number information for\n# debugging stack traces.\n#-keepattributes SourceFile,LineNumberTable\n\n# If you keep the line number information, uncomment this to\n# hide the original source file name.\n#-renamesourcefileattribute SourceFile\n"
},
{
"path": "app/src/main/AndroidManifest.xml",
"content": "\n\n\n \n \n \n \n\n \n \n \n \n\n"
},
{
"path": "app/src/main/java/com/example/learn/App.kt",
"content": "package com.example.learn\n\nimport android.app.Application\nimport android.content.Context\nimport android.support.multidex.MultiDex\n\nclass App : Application() {\n override fun attachBaseContext(base: Context) {\n super.attachBaseContext(base)\n MultiDex.install(this)\n }\n\n override fun onCreate() {\n super.onCreate()\n INSTANCE = this\n }\n\n companion object {\n private var INSTANCE: App? = null\n\n @Synchronized\n fun get(): App = INSTANCE!!\n }\n}"
},
{
"path": "app/src/main/java/com/example/learn/BaseActivity.kt",
"content": "package com.example.learn\n\nimport android.annotation.SuppressLint\nimport android.support.v7.app.AppCompatActivity\n\n@SuppressLint(\"Registered\")\nopen class BaseActivity : AppCompatActivity()"
},
{
"path": "app/src/main/java/com/example/learn/Bus.kt",
"content": "package com.example.learn\n\n\nobject Bus {\n private var EVENT_ID_PRODUCER = 1\n val FOOD_TOP_HEIGHT = EVENT_ID_PRODUCER++\n val FOOD_RECOMMEND_HEIGHT = EVENT_ID_PRODUCER++\n}\n\n"
},
{
"path": "app/src/main/java/com/example/learn/BusEvent.kt",
"content": "package com.example.learn\n\nclass BusEvent {\n constructor(a: Int) {\n act = a\n }\n\n constructor(a: Int, o: Any) : this(a) {\n obj = o\n }\n\n constructor(a: Int, o: Any, o2: Any) : this(a, o) {\n obj2 = o2\n }\n\n constructor(a: Int, o: Any, o2: Any, o3: Any) : this(a, o, o2) {\n obj3 = o3\n }\n\n var act: Int = 0\n var obj: Any? = null\n var obj2: Any? = null\n var obj3: Any? = null\n}"
},
{
"path": "app/src/main/java/com/example/learn/Candy.kt",
"content": "package com.example.learn\n\nimport android.annotation.SuppressLint\nimport android.app.Activity\nimport android.content.Context\nimport android.content.ContextWrapper\nimport android.graphics.drawable.Drawable\nimport android.net.Uri\nimport android.os.Handler\nimport android.os.Looper\nimport android.support.v4.app.FragmentActivity\nimport android.support.v4.content.ContextCompat\nimport android.util.DisplayMetrics\nimport android.util.Log\nimport android.view.View\nimport android.view.WindowManager\nimport android.view.animation.AnimationUtils\nimport android.widget.ImageView\nimport android.widget.TextView\nimport android.widget.Toast\nimport com.bumptech.glide.Glide\nimport com.bumptech.glide.Priority\nimport com.bumptech.glide.load.MultiTransformation\nimport com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions\nimport com.bumptech.glide.request.RequestOptions\nimport jp.wasabeef.glide.transformations.BitmapTransformation\nimport org.greenrobot.eventbus.EventBus\n\nval dispatcher = Handler(Looper.getMainLooper())\nval crossFade = DrawableTransitionOptions().crossFade(200)\nval centerCrop = RequestOptions().centerCrop().placeholder(android.R.color.transparent).priority(Priority.NORMAL)\nval argbEvaluator = android.animation.ArgbEvaluator()\n\nfun ImageView?.load(res: Any?, transform: List? = null) {\n if (this == null) return\n context.activity()?.let {\n val requestOptions = if (transform != null) RequestOptions.bitmapTransform(MultiTransformation(transform)) else centerCrop\n Glide.with(it).load(when (res) {\n is Int?, is String?, is Uri?, is Drawable? -> res\n else -> throw IllegalArgumentException(\"imageView load un support res type\")\n }).apply(requestOptions).transition(crossFade).into(this)\n }\n}\n\nfun TextView?.text(res: Any?) {\n if (this == null) return\n text = when (res) {\n is Int -> resString(res)\n is String -> res\n else -> throw IllegalArgumentException(\"imageView load un support res type\")\n }\n}\n\n\nfun Context?.activity(): Activity? {\n if (this == null) return null\n if (this.javaClass.name.contains(\"com.android.internal.policy.DecorContext\")) {\n try {\n val field = this.javaClass.getDeclaredField(\"mPhoneWindow\")\n field.isAccessible = true\n val obj = field.get(this)\n val m1 = obj.javaClass.getMethod(\"getContext\")\n return (m1.invoke(obj)) as Activity\n } catch (e: Exception) {\n e.printStackTrace()\n }\n }\n\n var context = this\n while (context is ContextWrapper) {\n if (context is Activity) {\n return context\n }\n context = context.baseContext\n }\n return null\n}\n\nfun View?.activity(): Activity? {\n if (this == null) return null\n return context.activity()\n}\n\nfun Activity?.v4(): FragmentActivity? {\n if (this == null) return null\n return this as? FragmentActivity\n}\n\nfun Any.resDrawable(drawableRes: Int, scale: Float = 1F): Drawable =\n ContextCompat.getDrawable(App.get(), drawableRes)!!.apply {\n setBounds(0, 0, (minimumWidth * scale).toInt(), (minimumHeight * scale).toInt())\n }\n\nfun Any.resString(stringRes: Int): String = App.get().getString(stringRes)\nfun Any.resDimension(dimensionRes: Int): Int = App.get().resources.getDimensionPixelSize(dimensionRes)\n\nfun Any.dp(dp: Int): Int {\n val dm = DisplayMetrics()\n (App.get().getSystemService(Context.WINDOW_SERVICE) as WindowManager)\n .defaultDisplay.getMetrics(dm)\n return (dp * dm.density + 0.5f).toInt()\n}\n\nfun Any.screenWidth(): Int {\n val dm = DisplayMetrics()\n (App.get().getSystemService(Context.WINDOW_SERVICE) as WindowManager)\n .defaultDisplay.getMetrics(dm)\n return dm.widthPixels\n}\n\nfun Any.screenHeight(): Int {\n val dm = DisplayMetrics()\n (App.get().getSystemService(Context.WINDOW_SERVICE) as WindowManager)\n .defaultDisplay.getMetrics(dm)\n return dm.heightPixels\n}\n\n@SuppressLint(\"PrivateApi\")\nfun Any.statusBarHeight(): Int {\n var statusHeight = -1\n try {\n val clazz = Class.forName(\"com.android.internal.R\\$dimen\")\n val `object` = clazz.newInstance()\n val height = Integer.parseInt(clazz.getField(\"status_bar_height\").get(`object`).toString())\n statusHeight = App.get().resources.getDimensionPixelSize(height)\n } catch (e: Exception) {\n e.printStackTrace()\n }\n return statusHeight\n}\n\nfun Any.toast(content: String) {\n Toast.makeText(App.get(), content, Toast.LENGTH_SHORT).show()\n}\n\nfun Activity.postDelayed1(r: Runnable, delayMillis: Long = 0) {\n dispatcher.postDelayed({\n if (isFinishing) return@postDelayed\n r.run()\n }, delayMillis)\n}\n\nfun View.postDelayed1(r: Runnable, delayMillis: Long = 0) {\n activity()?.postDelayed1(r, delayMillis)\n}\n\nfun Any.log(content: String, lv: Int = Log.DEBUG) {\n when (lv) {\n Log.DEBUG -> Log.d(\"candy\", content)\n Log.ERROR -> Log.e(\"candy\", content)\n }\n}\n\nfun Any.postEvent(a: Int, o: Any? = null, o2: Any? = null, o3: Any? = null) {\n when {\n o != null && o2 != null && o3 != null -> EventBus.getDefault().post(BusEvent(a, o, o2, o3))\n o != null && o2 != null -> EventBus.getDefault().post(BusEvent(a, o, o2))\n o != null -> EventBus.getDefault().post(BusEvent(a, o))\n else -> EventBus.getDefault().post(BusEvent(a))\n }\n}\n\nfun View.anim(animRes: Int, visible: Int = View.VISIBLE) {\n if (visibility != visible) {\n visibility = visible\n startAnimation(AnimationUtils.loadAnimation(App.get(), animRes))\n }\n}"
},
{
"path": "app/src/main/java/com/example/learn/Data.kt",
"content": "package com.example.learn\n\nimport com.chad.library.adapter.base.entity.MultiItemEntity\nimport com.example.learn.business.*\n\nobject Data {\n fun foodDetails(): List {\n return listOf(\n FoodTop(),\n FoodRecommend(foodRecommends()),\n FoodCover(R.mipmap.pic1),\n FoodCover(R.mipmap.pic2),\n FoodCover(R.mipmap.pic3),\n FoodTitle(\"热销\"),\n FoodContent(\"皮蛋瘦肉粥\", R.mipmap.pic4, \"皮蛋瘦肉粥是非常受欢迎的粥，其中骚处自行体会..\", 16F),\n FoodContent(\"香菇瘦肉粥\", R.mipmap.pic5, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 16F),\n FoodContent(\"红枣桂圆粥\", R.mipmap.pic6, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 16F),\n FoodTitle(\"养颜甜粥\"),\n\n FoodContent(\"小米南瓜粥\", R.mipmap.pic7, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 14F),\n FoodContent(\"清火绿豆粥\", R.mipmap.pic8, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 14F),\n FoodContent(\"红心地瓜粥\", R.mipmap.pic9, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 14F),\n FoodContent(\"紫薯黑米粥\", R.mipmap.pic10, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 16F),\n FoodContent(\"红枣桂圆粥\", R.mipmap.pic6, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 16F),\n FoodContent(\"柠檬八宝粥\", R.mipmap.pic11, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 17F),\n FoodTitle(\"营养水果粥\"),\n FoodContent(\"苹果雪梨粥\", R.mipmap.pic12, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 16F),\n FoodContent(\"香蕉苹果粥\", R.mipmap.pic13, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 16F),\n FoodContent(\"香蕉雪梨粥\", R.mipmap.pic14, \"对于吃货来说：治愈系没事，不过一碗热腾腾的粥\", 16F)\n )\n }\n\n fun foodMenus(): List {\n return listOf(\n FoodTitle(\"进店须知\"),\n FoodTitle(\"热销\"),\n FoodTitle(\"养颜甜粥\"),\n FoodTitle(\"营养水果粥\")\n )\n }\n\n private fun foodRecommends(): List {\n return listOf(\n FoodContent(\"烧肉拼叉烧饭+肉包+可乐+虎邦辣椒酱\", R.mipmap.pic15, \"\", 50.6F),\n FoodContent(\"绿豆汤+小肉+卤蛋+脆笋片\", R.mipmap.pic16, \"\", 50.6F),\n FoodContent(\"冰镇绿豆汤\", R.mipmap.pic15, \"\", 15F),\n FoodContent(\"台式炒饭+可乐+葱油饼套餐\", R.mipmap.pic16, \"\", 33F)\n )\n }\n}"
},
{
"path": "app/src/main/java/com/example/learn/business/MerchantActivity.kt",
"content": "package com.example.learn.business\n\nimport android.os.Bundle\nimport com.example.learn.BaseActivity\nimport com.example.learn.R\nimport com.example.learn.log\nimport kotlinx.android.synthetic.main.merchant_activity.*\n\nclass MerchantActivity : BaseActivity() {\n\n override fun onCreate(savedInstanceState: Bundle?) {\n super.onCreate(savedInstanceState)\n setContentView(R.layout.merchant_activity)\n initialView()\n log(\"MerchantActivity onCreate\")\n }\n\n private fun initialView() {\n layContent.laySettle = laySettle\n }\n}\n"
},
{
"path": "app/src/main/java/com/example/learn/business/MerchantCommentLayout.kt",
"content": "package com.example.learn.business\n\nimport android.content.Context\nimport android.view.LayoutInflater\nimport android.view.View\nimport android.widget.FrameLayout\nimport com.example.learn.R\nimport kotlinx.android.synthetic.main.merchant_page_cell_layout.view.*\n\nclass MerchantCommentLayout(context: Context) : FrameLayout(context), ScrollableViewProvider {\n override fun getScrollableView(): View {\n return vRecycler\n }\n\n init {\n LayoutInflater.from(context).inflate(R.layout.merchant_page_cell_layout, this)\n initialData()\n }\n\n private fun initialData() {\n vRecycler.setBackgroundColor(0xFFEFEFEF.toInt())\n }\n}"
},
{
"path": "app/src/main/java/com/example/learn/business/MerchantContentLayout.kt",
"content": "package com.example.learn.business\n\nimport android.animation.Animator\nimport android.animation.AnimatorListenerAdapter\nimport android.content.Context\nimport android.support.constraint.ConstraintLayout\nimport android.util.AttributeSet\nimport android.view.LayoutInflater\nimport android.view.View\nimport com.example.learn.R\nimport com.example.learn.dp\nimport com.example.learn.load\nimport com.example.learn.view.stateRefresh\nimport com.example.learn.view.stateSave\nimport com.example.learn.view.statesChangeByAnimation\nimport jp.wasabeef.glide.transformations.BlurTransformation\nimport kotlinx.android.synthetic.main.merchant_content_layout.view.*\n\n\nclass MerchantContentLayout(context: Context, attrs: AttributeSet?) : ConstraintLayout(context, attrs) {\n var laySettle: MerchantSettleLayout? = null\n private var firstLayout: Boolean = false\n private var isExpanded = false\n private var effected: Float = 0f\n\n init {\n LayoutInflater.from(context).inflate(R.layout.merchant_content_layout, this)\n\n vCover.load(R.mipmap.cover, listOf(BlurTransformation()))\n\n layScroll.setOnTouchListener { _, _ -> !isExpanded }\n\n vTicket1.set(3, 27, \"2018.06.12\")\n vTicket2.set(5, 40, \"2018.06.12\")\n\n vSwitch.setOnClickListener { switch(!isExpanded) }\n vHide.setOnClickListener { switch(!isExpanded) }\n }\n\n private fun animViews(): Array = arrayOf(laySimple, vAvatar, vMerchantName, layTicket, vTicket1, vTicket2, vSwitchIcon)\n\n override fun onWindowFocusChanged(hasWindowFocus: Boolean) {\n super.onWindowFocusChanged(hasWindowFocus)\n if (!firstLayout) {\n firstLayout = true\n laySimple.stateSave(R.id.vs1).a(1F)\n laySimple.stateSave(R.id.vs2).a(0F)\n vMerchantName.stateSave(R.id.vs1).a(0F)\n vMerchantName.stateSave(R.id.vs2).a(1F)\n layTicket.stateSave(R.id.vs1).mt(dp(15))\n layTicket.stateSave(R.id.vs2).mt(dp(70))\n\n vSwitchIcon.stateSave(R.id.vs1)\n vSwitchIcon.stateSave(R.id.vs2).r(180F)\n\n vAvatar.stateSave(R.id.vs1)\n val tx: Float = ((width - vAvatar.width) / 2 - (vAvatar.layoutParams as MarginLayoutParams).leftMargin).toFloat()\n vAvatar.stateSave(R.id.vs2).tx(tx).ty(dp(10).toFloat())\n }\n }\n\n // 效果简单实现，具体内容应该根据业务动态计算变化高度区间。\n fun effectByOffset(transY: Float) {\n val p2: Float = when {\n transY <= dp(10) -> 0F\n transY > dp(10) && transY < dp(30) -> (transY - dp(10)) / dp(20)\n else -> 1F\n }\n vt2.alpha = p2\n vt222.alpha = p2\n\n val p3: Float = when {\n transY <= dp(40) -> 0F\n transY > dp(40) && transY < dp(60) -> (transY - dp(40)) / dp(20)\n else -> 1F\n }\n vt3.alpha = p3\n vt333.alpha = p3\n\n val p4: Float = when {\n transY <= dp(70) -> 0F\n transY > dp(70) && transY < dp(90) -> (transY - dp(70)) / dp(20)\n else -> 1F\n }\n vt4.alpha = p4\n vt444.alpha = p4\n\n val p5: Float = when {\n transY <= dp(110) -> 0F\n transY > dp(110) && transY < dp(130) -> (transY - dp(110)) / dp(20)\n else -> 1F\n }\n vt5.alpha = p5\n vt555.alpha = p5\n\n effected = when {\n transY <= dp(140) -> 0F\n transY > dp(140) && transY < dp(230) -> (transY - dp(140)) / dp(90)\n else -> 1F\n }\n animViews().forEach { it.stateRefresh(R.id.vs1, R.id.vs2, effected) }\n }\n\n fun switch(expanded: Boolean, byScrollerSlide: Boolean = false) {\n if (isExpanded == expanded) {\n return\n }\n\n layScroll.scrollTo(0, 0)\n\n isExpanded = expanded // 目标\n val start = effected\n val end = if (expanded) 1F else 0F\n statesChangeByAnimation(animViews(), R.id.vs1, R.id.vs2, start, end,\n null, if (!byScrollerSlide) internalAnimListener else null, 300)\n\n laySettle?.switch(isExpanded)\n }\n\n\n var animListener: AnimatorListenerAdapter1? = null\n private val internalAnimListener: AnimatorListenerAdapter = object : AnimatorListenerAdapter() {\n override fun onAnimationStart(animation: Animator?) {\n animListener?.onAnimationStart(animation, isExpanded)\n }\n }\n\n interface AnimatorListenerAdapter1 {\n fun onAnimationStart(animation: Animator?, toExpanded: Boolean)\n }\n}"
},
{
"path": "app/src/main/java/com/example/learn/business/MerchantFoodLayout.kt",
"content": "package com.example.learn.business\n\n\nimport android.content.Context\nimport android.support.v7.widget.RecyclerView\nimport android.view.LayoutInflater\nimport android.view.View\nimport android.view.ViewGroup\nimport android.widget.FrameLayout\nimport android.widget.ImageView\nimport com.chad.library.adapter.base.BaseMultiItemQuickAdapter\nimport com.chad.library.adapter.base.BaseQuickAdapter\nimport com.chad.library.adapter.base.BaseViewHolder\nimport com.chad.library.adapter.base.entity.MultiItemEntity\nimport com.example.learn.*\nimport com.oushangfeng.pinnedsectionitemdecoration.PinnedHeaderItemDecoration\nimport com.oushangfeng.pinnedsectionitemdecoration.utils.FullSpanUtil\nimport kotlinx.android.synthetic.main.merchant_page_food_layout.view.*\nimport org.greenrobot.eventbus.EventBus\nimport org.greenrobot.eventbus.Subscribe\nimport org.greenrobot.eventbus.ThreadMode\n\nclass MerchantFoodLayout(context: Context) : FrameLayout(context), ScrollableViewProvider {\n\n var topHeight: Int = 0\n var recommendHeight: Int = 0\n\n init {\n LayoutInflater.from(context).inflate(R.layout.merchant_page_food_layout, this)\n initialData()\n }\n\n private fun initialData() {\n val foodAdapter = FoodAdapter(Data.foodDetails())\n vRecycler.addItemDecoration(PinnedHeaderItemDecoration.Builder(FoodAdapter.TYPE_TITLE)\n .setDividerId(R.drawable.transparent)\n .create())\n\n vRecycler.adapter = foodAdapter\n foodAdapter.openLoadAnimation()\n\n vRecycler.addOnScrollListener(object : RecyclerView.OnScrollListener() {\n var totalDy = 0\n\n override fun onScrolled(recyclerView: RecyclerView?, dx: Int, dy: Int) {\n totalDy -= dy\n val transY = if (totalDy > -(topHeight + recommendHeight)) totalDy else -(topHeight + recommendHeight)\n vSide.translationY = transY.toFloat()\n }\n })\n\n vSide.isNestedScrollingEnabled = false\n vSide.adapter = SideAdapter(Data.foodMenus())\n }\n\n override fun getScrollableView(): View {\n return vRecycler\n }\n\n override fun onAttachedToWindow() {\n super.onAttachedToWindow()\n EventBus.getDefault().register(this)\n }\n\n override fun onDetachedFromWindow() {\n super.onDetachedFromWindow()\n EventBus.getDefault().unregister(this)\n }\n\n @Subscribe(threadMode = ThreadMode.MAIN)\n fun handleBusEvent(event: BusEvent) {\n when (event.act) {\n Bus.FOOD_TOP_HEIGHT -> {\n topHeight = event.obj as Int\n adjustSideLayoutPosition()\n }\n Bus.FOOD_RECOMMEND_HEIGHT -> {\n recommendHeight = event.obj as Int\n adjustSideLayoutPosition()\n }\n }\n }\n\n private fun adjustSideLayoutPosition() {\n val lp = (vSide.layoutParams as MarginLayoutParams)\n if (lp.topMargin != topHeight + recommendHeight) {\n lp.topMargin = topHeight + recommendHeight\n lp.height = screenHeight() - resDimension(R.dimen.title_height) - resDimension(R.dimen.merchant_tab_height)\n vSide.layoutParams = lp\n vSide.anim(android.R.anim.fade_in, View.VISIBLE)\n }\n }\n}\n\nclass FoodTop : MultiItemEntity {\n override fun getItemType(): Int = FoodAdapter.TYPE_TOP\n}\n\nclass FoodRecommend(val data: List) : MultiItemEntity {\n override fun getItemType(): Int = FoodAdapter.TYPE_RECOMMEND\n}\n\nclass FoodCover(val url: Int) : MultiItemEntity {\n override fun getItemType(): Int = FoodAdapter.TYPE_CONTENT_IMAGE\n}\n\nclass FoodTitle(val title: String) : MultiItemEntity {\n override fun getItemType(): Int = FoodAdapter.TYPE_TITLE\n}\n\nclass FoodContent(val name: String, val icon: Int, val desc: String, val price: Float) : MultiItemEntity {\n override fun getItemType(): Int = FoodAdapter.TYPE_CONTENT\n}\n\nclass FoodAdapter(data: List) : BaseMultiItemQuickAdapter(data) {\n companion object {\n private var TYPE_PRODUCER = 1\n val TYPE_TOP = TYPE_PRODUCER++\n val TYPE_RECOMMEND = TYPE_PRODUCER++\n val TYPE_CONTENT_IMAGE = TYPE_PRODUCER++\n val TYPE_TITLE = TYPE_PRODUCER++\n val TYPE_CONTENT = TYPE_PRODUCER++\n }\n\n\n init {\n addItemType(TYPE_TOP, R.layout.merchant_food_list_top)\n addItemType(TYPE_RECOMMEND, R.layout.merchant_food_list_recommend)\n addItemType(TYPE_CONTENT_IMAGE, R.layout.merchant_food_list_content_image)\n addItemType(TYPE_TITLE, R.layout.merchant_food_list_sticky_title)\n addItemType(TYPE_CONTENT, R.layout.merchant_food_list_content)\n }\n\n\n override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {\n super.onAttachedToRecyclerView(recyclerView)\n FullSpanUtil.onAttachedToRecyclerView(recyclerView, this, TYPE_TITLE)\n }\n\n override fun onViewAttachedToWindow(holder: BaseViewHolder) {\n super.onViewAttachedToWindow(holder)\n FullSpanUtil.onViewAttachedToWindow(holder, this, TYPE_TITLE)\n }\n\n override fun convert(helper: BaseViewHolder, item: MultiItemEntity) {\n when (helper.itemViewType) {\n TYPE_TOP -> {\n helper.itemView.postDelayed1(Runnable { postEvent(Bus.FOOD_TOP_HEIGHT, helper.itemView.height) })\n }\n TYPE_RECOMMEND -> {\n helper.itemView.postDelayed1(Runnable { postEvent(Bus.FOOD_RECOMMEND_HEIGHT, helper.itemView.height) })\n val view: RecyclerView = helper.getView(R.id.vRecommends)\n view.adapter = FoodRecommendCellAdapter((item as FoodRecommend).data)\n }\n TYPE_CONTENT_IMAGE -> {\n (item as FoodCover).apply { helper.setImageUrl(R.id.vImage, url) }\n }\n TYPE_TITLE -> {\n (item as FoodTitle).apply { helper.setText(R.id.vTitle, title) }\n }\n TYPE_CONTENT -> {\n (item as FoodContent).apply {\n helper.setText(R.id.vPrice, \"￥$price\")\n .setText(R.id.vName, name)\n .setText(R.id.vDesc, desc)\n .setImageUrl(R.id.vIcon, icon)\n }\n }\n }\n }\n}\n\nfun BaseViewHolder.setImageUrl(viewId: Int, imageUrl: Int): BaseViewHolder {\n val view: ImageView = getView(viewId)\n view.load(imageUrl)\n return this\n}\n\nclass FoodRecommendCellAdapter(data: List) : BaseQuickAdapter(data) {\n init {\n mLayoutResId = R.layout.merchant_food_list_recommend_cell\n }\n\n override fun convert(helper: BaseViewHolder, item: FoodContent) {\n (helper.itemView.layoutParams as ViewGroup.MarginLayoutParams).leftMargin = if (mData.indexOf(item) != 0) dp(2) else 0\n\n helper.setText(R.id.vPrice, \"￥${item.price}\")\n .setText(R.id.vName, item.name)\n .setImageUrl(R.id.vImage, item.icon)\n }\n}\n\n\nclass SideAdapter(data: List) : BaseQuickAdapter(data) {\n init {\n mLayoutResId = R.layout.merchant_food_list_side\n }\n\n override fun convert(helper: BaseViewHolder, item: FoodTitle) {\n item.apply { helper.setText(R.id.vTitle, title) }\n }\n}"
},
{
"path": "app/src/main/java/com/example/learn/business/MerchantInfoLayout.kt",
"content": "package com.example.learn.business\n\nimport android.content.Context\nimport android.view.LayoutInflater\nimport android.view.View\nimport android.widget.FrameLayout\nimport com.example.learn.R\nimport com.example.learn.log\nimport kotlinx.android.synthetic.main.merchant_page_cell_layout.view.*\n\nclass MerchantInfoLayout(context: Context) : FrameLayout(context), ScrollableViewProvider {\n override fun getScrollableView(): View {\n return vRecycler\n }\n\n init {\n LayoutInflater.from(context).inflate(R.layout.merchant_page_cell_layout, this)\n initialData()\n }\n\n private fun initialData() {\n }\n}"
},
{
"path": "app/src/main/java/com/example/learn/business/MerchantPageBehavior.kt",
"content": "package com.example.learn.business\n\nimport android.animation.Animator\nimport android.content.Context\nimport android.graphics.Color\nimport android.support.design.widget.CoordinatorLayout\nimport android.util.AttributeSet\nimport android.view.View\nimport android.widget.Scroller\nimport com.example.learn.R\nimport com.example.learn.argbEvaluator\nimport com.example.learn.dp\nimport com.example.learn.view.ViewPager2\nimport kotlinx.android.synthetic.main.merchant_page_layout.view.*\n\nclass MerchantPageBehavior(context: Context, attrs: AttributeSet) : CoordinatorLayout.Behavior(context, attrs) {\n private lateinit var selfView: MerchantPageLayout\n private lateinit var layTitle: MerchantTitleLayout // 商店标题\n private lateinit var vPager: ViewPager2 // 商品菜单所在pager\n private lateinit var layContent: MerchantContentLayout // 商店详情\n private lateinit var laySettle: MerchantSettleLayout\n private val pagingTouchSlop = dp(5)\n private var horizontalPagingTouch = 0 // 菜单横项列表(推荐商品)内容的触摸滑动距离\n private var isScrollRecommends = false\n private var verticalPagingTouch = 0 // 菜单竖项列表(商品，评价，商家)内容的触摸滑动距离\n private var simpleTopDistance = 0\n private var isScrollToFullFood = false // 上滑显示商品菜单\n private var isScrollToHideFood = false // 下滑显示商店详情\n private val scroller = Scroller(context)\n private val scrollDuration = 800\n private val handler = android.os.Handler()\n private val flingRunnable = object : Runnable {\n override fun run() {\n if (scroller.computeScrollOffset()) {\n selfView.translationY = scroller.currY.toFloat()\n layContent.effectByOffset(selfView.translationY)\n laySettle.effectByOffset(selfView.translationY)\n handler.post(this)\n } else {\n isScrollToHideFood = false\n }\n }\n }\n\n private val mAnimListener = object : MerchantContentLayout.AnimatorListenerAdapter1 {\n override fun onAnimationStart(animation: Animator?, toExpanded: Boolean) {\n if (toExpanded) {\n val defaultDisplayHeight = (selfView.height - simpleTopDistance)\n scroller.startScroll(0, selfView.translationY.toInt(), 0, (defaultDisplayHeight - selfView.translationY).toInt(), scrollDuration)\n } else {\n scroller.startScroll(0, selfView.translationY.toInt(), 0, (-selfView.translationY).toInt(), scrollDuration)\n }\n\n handler.post(flingRunnable)\n isScrollToHideFood = true\n }\n }\n\n override fun onLayoutChild(parent: CoordinatorLayout, child: MerchantPageLayout, layoutDirection: Int): Boolean {\n selfView = child\n vPager = child.findViewById(R.id.vPager)\n\n val lp = selfView.layoutParams as CoordinatorLayout.LayoutParams\n if (lp.height == CoordinatorLayout.LayoutParams.MATCH_PARENT) {\n simpleTopDistance = lp.topMargin - layTitle.height\n lp.height = parent.height - layTitle.height\n child.layoutParams = lp\n return true\n }\n return super.onLayoutChild(parent, child, layoutDirection)\n }\n\n override fun layoutDependsOn(parent: CoordinatorLayout, child: MerchantPageLayout, dependency: View): Boolean {\n when {\n dependency.id == R.id.layTitle -> layTitle = dependency as MerchantTitleLayout\n dependency.id == R.id.layContent -> layContent = (dependency as MerchantContentLayout).apply { animListener = mAnimListener }\n dependency.id == R.id.laySettle -> laySettle = dependency as MerchantSettleLayout\n else -> return false\n }\n return true\n }\n\n override fun onDependentViewChanged(parent: CoordinatorLayout, child: MerchantPageLayout, dependency: View): Boolean = true\n override fun onStartNestedScroll(coordinatorLayout: CoordinatorLayout, child: MerchantPageLayout, directTargetChild: View, target: View, axes: Int, type: Int): Boolean = true\n\n override fun onNestedScrollAccepted(coordinatorLayout: CoordinatorLayout, child: MerchantPageLayout, directTargetChild: View, target: View, axes: Int, type: Int) {\n scroller.abortAnimation()\n isScrollToHideFood = false\n super.onNestedScrollAccepted(coordinatorLayout, child, directTargetChild, target, axes, type)\n }\n\n override fun onNestedPreScroll(coordinatorLayout: CoordinatorLayout, child: MerchantPageLayout, target: View, dx: Int, dy: Int, consumed: IntArray, type: Int) {\n if (isScrollToHideFood) {\n consumed[1] = dy\n return // scroller 滑动中.. do nothing\n }\n\n verticalPagingTouch += dy\n if (vPager.isScrollable && Math.abs(verticalPagingTouch) > pagingTouchSlop) {\n vPager.isScrollable = false // 屏蔽 pager横向滑动干扰\n }\n\n horizontalPagingTouch += dx\n if (R.id.vRecommends == target.id) {\n if (!isScrollRecommends) {\n consumed[0] = dx\n if (vPager.isScrollable && Math.abs(horizontalPagingTouch) > pagingTouchSlop) isScrollRecommends = true\n }\n if (isScrollRecommends) {\n consumed[1] = dy\n return // 横项滑动推荐列表中\n }\n }\n\n if ((child.translationY < 0 || (child.translationY == 0F && dy > 0)) && !child.canScrollVertically()) {\n val effect = layTitle.effectByOffset(dy)\n selfView.vSmartTab.setBackgroundColor(argbEvaluator.evaluate(effect, Color.WHITE, 0xFFFAFAFA.toInt()) as Int)\n val transY = -simpleTopDistance * effect\n if (transY != child.translationY) {\n child.translationY = transY\n consumed[1] = dy\n }\n\n if (type == 1) {\n isScrollToFullFood = true\n }\n } else if ((child.translationY > 0 || (child.translationY == 0F && dy < 0)) && !child.canScrollVertically()) {\n if (isScrollToFullFood) {\n child.translationY = 0F // top fling to bottom\n } else {\n child.translationY -= dy\n layContent.effectByOffset(child.translationY)\n laySettle.effectByOffset(child.translationY)\n }\n consumed[1] = dy\n }\n }\n\n override fun onNestedPreFling(coordinatorLayout: CoordinatorLayout, child: MerchantPageLayout, target: View, velocityX: Float, velocityY: Float): Boolean {\n return onUserStopDragging()\n }\n\n override fun onStopNestedScroll(coordinatorLayout: CoordinatorLayout, child: MerchantPageLayout, target: View, type: Int) {\n isScrollToFullFood = false\n verticalPagingTouch = 0\n vPager.isScrollable = true\n horizontalPagingTouch = 0\n isScrollRecommends = false\n\n if (!isScrollToHideFood) {\n onUserStopDragging()\n }\n }\n\n private fun onUserStopDragging(): Boolean {\n if (selfView.translationY < 0f) {\n return false\n }\n\n val defaultDisplayHeight = (selfView.height - simpleTopDistance)\n if (defaultDisplayHeight * 0.4F > selfView.translationY) {\n scroller.startScroll(0, selfView.translationY.toInt(), 0, (-selfView.translationY).toInt(), scrollDuration)\n layContent.switch(false, true)\n laySettle.switch(false)\n } else {\n scroller.startScroll(0, selfView.translationY.toInt(), 0, (defaultDisplayHeight - selfView.translationY).toInt(), scrollDuration)\n layContent.switch(true, true)\n laySettle.switch(true)\n }\n handler.post(flingRunnable)\n isScrollToHideFood = true\n return true\n }\n}\n"
},
{
"path": "app/src/main/java/com/example/learn/business/MerchantPageLayout.kt",
"content": "package com.example.learn.business\n\nimport android.content.Context\nimport android.support.v4.view.PagerAdapter\nimport android.util.AttributeSet\nimport android.view.LayoutInflater\nimport android.view.View\nimport android.view.ViewGroup\nimport android.widget.LinearLayout\nimport com.example.learn.R\nimport kotlinx.android.synthetic.main.merchant_page_layout.view.*\n\nclass MerchantPageLayout(context: Context, attrs: AttributeSet?) : LinearLayout(context, attrs) {\n lateinit var pagerAdapter: MerchantPageAdapter\n\n init {\n LayoutInflater.from(context).inflate(R.layout.merchant_page_layout, this)\n }\n\n override fun onFinishInflate() {\n super.onFinishInflate()\n pagerAdapter = MerchantPageAdapter(context)\n vPager.adapter = pagerAdapter\n vSmartTab.setViewPager(vPager)\n }\n\n fun canScrollVertically(): Boolean {\n val view = (pagerAdapter.getItem(vPager.currentItem) as ScrollableViewProvider).getScrollableView()\n return view.canScrollVertically(-1)\n }\n}\n\nclass MerchantPageAdapter(context: Context) : PagerAdapter() {\n private val layFood = MerchantFoodLayout(context)\n private val layInfo = MerchantInfoLayout(context)\n private val layComment = MerchantCommentLayout(context)\n\n override fun getCount(): Int = 3\n override fun isViewFromObject(view: View, `object`: Any): Boolean = view == `object`\n override fun destroyItem(container: ViewGroup, position: Int, `object`: Any) = container.removeView(`object` as View)\n override fun getPageTitle(position: Int): CharSequence = when (position) {\n 0 -> \"点菜\"\n 1 -> \"评论(9999+)\"\n 2 -> \"商家\"\n else -> \"\"\n }\n\n override fun instantiateItem(container: ViewGroup, position: Int): Any {\n val content = getItem(position)\n container.addView(content)\n return content\n }\n\n fun getItem(position: Int): View {\n return when (position) {\n 0 -> layFood\n 1 -> layComment\n 2 -> layInfo\n else -> throw RuntimeException(\"getItem error position $position\")\n }\n }\n}\n\ninterface ScrollableViewProvider {\n fun getScrollableView(): View\n}"
},
{
"path": "app/src/main/java/com/example/learn/business/MerchantSettleLayout.kt",
"content": "package com.example.learn.business\n\nimport android.animation.Animator\nimport android.animation.AnimatorListenerAdapter\nimport android.content.Context\nimport android.support.constraint.ConstraintLayout\nimport android.util.AttributeSet\nimport android.view.LayoutInflater\nimport android.view.View\nimport com.example.learn.R\nimport com.example.learn.dp\nimport com.example.learn.view.stateRefresh\nimport com.example.learn.view.stateSave\nimport com.example.learn.view.statesChangeByAnimation\n\nclass MerchantSettleLayout(context: Context, attrs: AttributeSet?) : ConstraintLayout(context, attrs) {\n private var firstLayout: Boolean = false\n private var isExpanded = false // layContent 内容是否展开查看中\n private var effected: Float = 0f\n\n init {\n LayoutInflater.from(context).inflate(R.layout.merchant_settle_layout, this)\n }\n\n private fun animViews(): Array = arrayOf(this)\n\n override fun onWindowFocusChanged(hasWindowFocus: Boolean) {\n super.onWindowFocusChanged(hasWindowFocus)\n if (!firstLayout) {\n firstLayout = true\n stateSave(R.id.vs1).a(1F)\n stateSave(R.id.vs2).a(0F)\n }\n }\n\n // 效果简单实现，具体内容应该根据业务动态计算变化高度区间。\n fun effectByOffset(transY: Float) {\n effected = when {\n transY <= dp(110) -> 0F\n transY > dp(110) && transY < dp(140) -> (transY - dp(110)) / dp(30)\n else -> 1F\n }\n animViews().forEach { it.stateRefresh(R.id.vs1, R.id.vs2, effected) }\n }\n\n fun switch(expanded: Boolean) {\n if (isExpanded == expanded) {\n return\n }\n\n isExpanded = expanded // 目标\n val start = effected\n val end = if (expanded) 1F else 0F\n statesChangeByAnimation(animViews(), R.id.vs1, R.id.vs2, start, end,\n null, object : AnimatorListenerAdapter() {\n override fun onAnimationStart(animation: Animator?) {\n visibility = View.VISIBLE\n }\n\n override fun onAnimationEnd(animation: Animator?) {\n if (isExpanded) visibility = View.INVISIBLE\n }\n }, 300)\n }\n}"
},
{
"path": "app/src/main/java/com/example/learn/business/MerchantTitleLayout.kt",
"content": "package com.example.learn.business\n\nimport android.content.Context\nimport android.content.res.ColorStateList\nimport android.graphics.Color\nimport android.graphics.drawable.Drawable\nimport android.support.v4.graphics.drawable.DrawableCompat\nimport android.util.AttributeSet\nimport android.view.LayoutInflater\nimport android.view.animation.AccelerateDecelerateInterpolator\nimport android.widget.FrameLayout\nimport com.example.learn.R\nimport com.example.learn.argbEvaluator\nimport com.example.learn.dp\nimport com.example.learn.resDimension\nimport com.example.learn.resDrawable\nimport kotlinx.android.synthetic.main.merchant_title_layout.view.*\n\nclass MerchantTitleLayout(context: Context, attrs: AttributeSet?) : FrameLayout(context, attrs) {\n private val adInterpolator = AccelerateDecelerateInterpolator()\n private val offsetMax = resDimension(R.dimen.merchant_offset).toFloat()\n private var offset = 0F\n\n private val drawableBack = resDrawable(R.mipmap.back_white)\n private val drawableSearch = resDrawable(R.mipmap.icon_search)\n private val drawableCollection = resDrawable(R.mipmap.icon_collection)\n private val drawableTogether = resDrawable(R.mipmap.icon_together)\n private val drawableMenu = resDrawable(R.mipmap.icon_menu)\n\n init {\n LayoutInflater.from(context).inflate(R.layout.merchant_title_layout, this)\n }\n\n fun effectByOffset(dy: Int): Float {\n if (dy > 0 && offset == offsetMax) return 1F\n else if (dy < 0 && offset == 0F) return 0F\n\n offset += dy\n if (offset > offsetMax) offset = offsetMax\n else if (offset < 0) offset = 0F\n\n val effect = adInterpolator.getInterpolation(offset / offsetMax)\n\n setBackgroundColor(argbEvaluator.evaluate(effect, Color.TRANSPARENT, 0xFFFAFAFA.toInt()) as Int)\n\n val e: Int = argbEvaluator.evaluate(effect, Color.WHITE, 0xFF646464.toInt()) as Int\n vBack.setImageDrawable(tintDrawable(drawableBack, ColorStateList.valueOf(e)))\n vTogether.setImageDrawable(tintDrawable(drawableTogether, ColorStateList.valueOf(e)))\n vMenu.setImageDrawable(tintDrawable(drawableMenu, ColorStateList.valueOf(e)))\n vCollection.setImageDrawable(tintDrawable(drawableCollection, ColorStateList.valueOf(e)))\n vSearch.setImageDrawable(tintDrawable(drawableSearch, ColorStateList.valueOf(e)))\n\n vSearch.scaleX = (1 - 0.4 * effect).toFloat()\n vSearch.scaleY = (1 - 0.4 * effect).toFloat()\n vSearch.translationX = -(vSearchBorder.width - vSearch.width + dp(3)) * effect\n vSearchBorder.alpha = effect\n vSearchBorder.pivotX = vSearchBorder.width.toFloat()\n vSearchBorder.scaleX = (0.2 + 0.8 * effect).toFloat()\n vSearchHint.alpha = effect\n vSearchHint.translationX = (vSearchHint.width / 3) * (1 - effect)\n\n return effect\n }\n\n private fun tintDrawable(drawable: Drawable, colors: ColorStateList): Drawable {\n val wrappedDrawable = DrawableCompat.wrap(drawable)\n DrawableCompat.setTintList(wrappedDrawable, colors)\n return wrappedDrawable\n }\n}\n"
},
{
"path": "app/src/main/java/com/example/learn/business/MyEventLayout.kt",
"content": "package com.example.learn.business\n\nimport android.content.Context\nimport android.util.AttributeSet\nimport android.view.MotionEvent\nimport android.view.ViewConfiguration\nimport android.widget.FrameLayout\n\nclass MyEventLayout(context: Context, attrs: AttributeSet?) : FrameLayout(context, attrs) {\n private var needDispatchDown = false\n private var mLastMoveEvent: MotionEvent? = null\n\n override fun onInterceptTouchEvent(ev: MotionEvent): Boolean {\n return true\n }\n\n override fun onTouchEvent(ev: MotionEvent): Boolean {\n when (ev.action) {\n MotionEvent.ACTION_DOWN -> {\n needDispatchDown = true\n }\n MotionEvent.ACTION_MOVE -> {\n dispatchHorizontalTouchEventToChild(ev)\n }\n MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL -> {\n needDispatchDown = false\n }\n }\n\n mLastMoveEvent = ev\n return true\n }\n\n private fun dispatchHorizontalTouchEventToChild(current: MotionEvent) {\n mLastMoveEvent?.apply {\n if (needDispatchDown) {\n val d = MotionEvent.obtain(downTime, eventTime + ViewConfiguration.getLongPressTimeout(), MotionEvent.ACTION_DOWN, current.x, y, metaState)\n getChildAt(0).onTouchEvent(d)\n needDispatchDown = false\n }\n val e = MotionEvent.obtain(downTime, eventTime + ViewConfiguration.getLongPressTimeout(), MotionEvent.ACTION_MOVE, current.x, y, metaState)\n getChildAt(0).onTouchEvent(e)\n }\n }\n}"
},
{
"path": "app/src/main/java/com/example/learn/business/TicketView.kt",
"content": "package com.example.learn.business\n\nimport android.content.Context\nimport android.support.constraint.ConstraintLayout\nimport android.util.AttributeSet\nimport android.view.LayoutInflater\nimport com.example.learn.R\nimport com.example.learn.view.AnimationUpdateListener\nimport com.example.learn.view.stateRefresh\nimport com.example.learn.view.stateSave\nimport com.example.learn.text\nimport kotlinx.android.synthetic.main.ticket_view.view.*\n\nclass TicketView(context: Context, attrs: AttributeSet?) : ConstraintLayout(context, attrs), AnimationUpdateListener {\n\n private var firstLayout: Boolean = false\n\n init {\n LayoutInflater.from(context).inflate(R.layout.ticket_view, this)\n }\n\n override fun onWindowFocusChanged(hasWindowFocus: Boolean) {\n super.onWindowFocusChanged(hasWindowFocus)\n if (!firstLayout) {\n firstLayout = true\n vBorder1.stateSave(R.id.vs1).a(1F)\n vBorder1.stateSave(R.id.vs2).ws(3.8F).hs(3.8F).a(0F)\n vBorder2.stateSave(R.id.vs1).a(0F)\n vBorder2.stateSave(R.id.vs2).ws(3.8F).hs(3.8F).a(1F)\n vSimple.stateSave(R.id.vs1)\n vSimple.stateSave(R.id.vs2).a(0f)\n layDetail.stateSave(R.id.vs1)\n layDetail.stateSave(R.id.vs2).sx(1F).sy(1F).a(1F)\n }\n }\n\n fun set(amount: Int, limit: Int, expireTime: String) {\n vSimple.text(\"领￥$amount\")\n\n vDetail1.text(\"￥$amount\")\n vDetail2.text(\"满$limit 可用\")\n vDetail3.text(\"有效期至$expireTime\")\n }\n\n override fun onAnimationUpdate(tag1: Int, tag2: Int, p: Float) {\n arrayOf(vBorder1, vBorder2, vSimple, layDetail).forEach { it.stateRefresh(tag1, tag2, p) }\n }\n}"
},
{
"path": "app/src/main/java/com/example/learn/view/ScrollHelper.kt",
"content": "package com.example.learn.view\n\nimport android.support.v7.widget.LinearLayoutManager\nimport android.support.v7.widget.RecyclerView\nimport com.example.learn.log\n\n\nobject ScrollHelper {\n\n open class OnScrollStateChangedListener {\n open fun onScrollToBottom() {}\n }\n\n fun init(recyclerView: RecyclerView, callback: OnScrollStateChangedListener) {\n if (recyclerView.layoutManager !is LinearLayoutManager) throw IllegalArgumentException(\"just support LinearLayoutManager\")\n val layoutManager: LinearLayoutManager = recyclerView.layoutManager as LinearLayoutManager\n\n recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {\n private var scrollDown = false\n\n override fun onScrolled(vRecycler: RecyclerView?, dx: Int, dy: Int) {\n scrollDown = if (layoutManager.reverseLayout) dy < 0 else dy > 0\n }\n\n override fun onScrollStateChanged(vRecycler: RecyclerView?, newState: Int) {\n when (newState) {\n RecyclerView.SCROLL_STATE_IDLE -> {\n val lastVisibleItem = layoutManager.findLastCompletelyVisibleItemPosition()\n val totalItemCount = layoutManager.itemCount\n log(\"onScrollStateChanged lastVisibleItem[$lastVisibleItem] totalItemCount[$totalItemCount] scrollDown[$scrollDown]\")\n if (lastVisibleItem >= totalItemCount - 1 && scrollDown) {\n callback.onScrollToBottom()\n log(\"onScrollStateChanged onScrollToBottom\")\n }\n }\n RecyclerView.SCROLL_STATE_DRAGGING -> {\n }\n }\n }\n })\n }\n\n open class OnScrollStateChangedListener2 {\n open fun onScrollToTop() {}\n }\n\n fun init1(recyclerView: RecyclerView, callback: OnScrollStateChangedListener2) {\n if (recyclerView.layoutManager !is LinearLayoutManager) throw IllegalArgumentException(\"just1 support LinearLayoutManager\")\n val layoutManager: LinearLayoutManager = recyclerView.layoutManager as LinearLayoutManager\n\n recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {\n private var scrollDown = false\n\n override fun onScrolled(vRecycler: RecyclerView?, dx: Int, dy: Int) {\n scrollDown = if (layoutManager.reverseLayout) dy < 0 else dy > 0\n }\n\n override fun onScrollStateChanged(vRecycler: RecyclerView?, newState: Int) {\n when (newState) {\n RecyclerView.SCROLL_STATE_IDLE -> {\n val firstVisibleItem = layoutManager.findFirstCompletelyVisibleItemPosition()\n log(\"onScrollStateChanged firstVisibleItem[$firstVisibleItem] scrollUp[${!scrollDown}]\")\n if (firstVisibleItem <= 0 && !scrollDown) {\n callback.onScrollToTop()\n log(\"onScrollStateChanged onScrollToTop\")\n }\n }\n RecyclerView.SCROLL_STATE_DRAGGING -> {\n }\n }\n }\n })\n }\n}\n"
},
{
"path": "app/src/main/java/com/example/learn/view/SmartTabLayout1.java",
"content": "package com.example.learn.view;\n\n\nimport android.content.Context;\nimport android.graphics.Typeface;\nimport android.support.v4.view.ViewPager;\nimport android.text.TextUtils;\nimport android.util.AttributeSet;\nimport android.view.View;\nimport android.widget.TextView;\n\n\npublic class SmartTabLayout1 extends com.ogaclejapan.smarttablayout.SmartTabLayout {\n private ViewPager vPager;\n private View vLastTab;\n\n private ViewPager.OnPageChangeListener mSmartPageChangeListener;\n\n public void setSmartPageChangeListener(ViewPager.OnPageChangeListener cb) {\n mSmartPageChangeListener = cb;\n }\n\n public SmartTabLayout1(Context context) {\n this(context, null);\n }\n\n public SmartTabLayout1(Context context, AttributeSet attrs) {\n super(context, attrs);\n }\n\n public void useFakeBoldSelectedTextTab() {\n final ViewPager.OnPageChangeListener onPageChangeListener = new ViewPager.OnPageChangeListener() {\n @Override\n public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {\n if (mSmartPageChangeListener != null)\n mSmartPageChangeListener.onPageScrolled(position, positionOffset, positionOffsetPixels);\n }\n\n @Override\n public void onPageSelected(int position) {\n if (mSmartPageChangeListener != null)\n mSmartPageChangeListener.onPageSelected(position);\n\n if (vLastTab != null) {\n if (vLastTab instanceof TextView) {\n ((TextView) vLastTab).getPaint().setFakeBoldText(false);\n }\n }\n vLastTab = getTabAt(position);\n if (vLastTab instanceof TextView) {\n ((TextView) vLastTab).getPaint().setFakeBoldText(true);\n }\n }\n\n @Override\n public void onPageScrollStateChanged(int state) {\n if (mSmartPageChangeListener != null)\n mSmartPageChangeListener.onPageScrollStateChanged(state);\n }\n };\n\n onPageChangeListener.onPageSelected(vPager.getCurrentItem());\n setOnPageChangeListener(onPageChangeListener);\n }\n\n @Override\n public void setViewPager(ViewPager viewPager) {\n vPager = viewPager;\n super.setViewPager(viewPager);\n useFakeBoldSelectedTextTab();\n }\n\n @Override\n protected TextView createDefaultTabView(CharSequence title) {\n TextView textView = super.createDefaultTabView(title);\n textView.setTypeface(Typeface.DEFAULT);\n textView.setSingleLine(true);\n textView.setEllipsize(TextUtils.TruncateAt.MIDDLE);\n return textView;\n }\n}\n"
},
{
"path": "app/src/main/java/com/example/learn/view/ViewPager2.java",
"content": "package com.example.learn.view;\n\nimport android.content.Context;\nimport android.support.annotation.NonNull;\nimport android.support.annotation.Nullable;\nimport android.support.v4.view.ViewPager;\nimport android.util.AttributeSet;\nimport android.view.MotionEvent;\n\npublic class ViewPager2 extends ViewPager {\n private boolean scrollable = true;\n\n public ViewPager2(@NonNull Context context, @Nullable AttributeSet attrs) {\n super(context, attrs);\n }\n\n public boolean isScrollable() {\n return scrollable;\n }\n\n public void setScrollable(boolean scrollable) {\n this.scrollable = scrollable;\n }\n\n @Override\n public boolean onInterceptTouchEvent(MotionEvent ev) {\n return scrollable && super.onInterceptTouchEvent(ev);\n }\n\n @Override\n public boolean onTouchEvent(MotionEvent ev) {\n return scrollable && super.onTouchEvent(ev);\n }\n}\n"
},
{
"path": "app/src/main/java/com/example/learn/view/ViewState.kt",
"content": "package com.example.learn.view\n\nimport android.animation.AnimatorListenerAdapter\nimport android.animation.ValueAnimator\nimport android.view.View\nimport android.view.ViewGroup\nimport android.view.animation.AccelerateDecelerateInterpolator\n\nclass ViewState {\n var topMargin: Int = 0\n var bottomMargin: Int = 0\n var leftMargin: Int = 0\n var rightMargin: Int = 0\n var width: Int = 0\n var height: Int = 0\n var translationX: Float = 0F\n var translationY: Float = 0F\n var scaleX: Float = 0F\n var scaleY: Float = 0F\n var rotation: Float = 0F\n var alpha: Float = 0F\n\n fun sx(scaleX: Float): ViewState {\n this.scaleX = scaleX\n return this\n }\n\n fun sxBy(value: Float): ViewState {\n this.scaleX *= value\n return this\n }\n\n fun sy(scaleY: Float): ViewState {\n this.scaleY = scaleY\n return this\n }\n\n fun syBy(value: Float): ViewState {\n this.scaleY *= value\n return this\n }\n\n fun a(alpha: Float): ViewState {\n this.alpha = alpha\n return this\n }\n\n fun w(width: Int): ViewState {\n this.width = width\n return this\n }\n\n\n fun h(height: Int): ViewState {\n this.height = height\n return this\n }\n\n fun r(rotation: Float): ViewState {\n this.rotation = rotation\n return this\n }\n\n fun ws(s: Float): ViewState {\n this.width = (width * s).toInt()\n return this\n }\n\n fun hs(s: Float): ViewState {\n this.height = (height * s).toInt()\n return this\n }\n\n fun tx(translationX: Float): ViewState {\n this.translationX = translationX\n return this\n }\n\n fun ty(translationY: Float): ViewState {\n this.translationY = translationY\n return this\n }\n\n fun ml(leftMargin: Int): ViewState {\n this.leftMargin = leftMargin\n return this\n }\n\n fun mr(rightMargin: Int): ViewState {\n this.rightMargin = rightMargin\n return this\n }\n\n fun mt(topMargin: Int): ViewState {\n this.topMargin = topMargin\n return this\n }\n\n fun mn(bottomMargin: Int): ViewState {\n this.bottomMargin = bottomMargin\n return this\n }\n\n fun copy(view: View): ViewState {\n this.width = view.width\n this.height = view.height\n this.translationX = view.translationX\n this.translationY = view.translationY\n this.scaleX = view.scaleX\n this.scaleY = view.scaleY\n this.rotation = view.rotation\n this.alpha = view.alpha\n\n (view.layoutParams as? ViewGroup.MarginLayoutParams)?.let {\n this.topMargin = it.topMargin\n this.bottomMargin = it.bottomMargin\n this.leftMargin = it.leftMargin\n this.rightMargin = it.rightMargin\n }\n\n return this\n }\n}\n\nfun View.stateSet(tag: Int, vs: ViewState) {\n setTag(tag, vs)\n}\n\nfun View.stateRead(tag: Int): ViewState? {\n return getTag(tag) as? ViewState\n}\n\nfun View.stateSave(tag: Int): ViewState {\n val vs = stateRead(tag) ?: ViewState()\n vs.copy(this)\n stateSet(tag, vs)\n return vs\n}\n\nfun View.stateRefresh(tag1: Int, tag2: Int, p: Float) {\n if (this is AnimationUpdateListener) {\n onAnimationUpdate(tag1, tag2, p)\n } else {\n val vs1 = stateRead(tag1)\n val vs2 = stateRead(tag2)\n if (vs1 != null && vs2 != null) {\n if (vs1.translationX != vs2.translationX) translationX = vs1.translationX + (vs2.translationX - vs1.translationX) * p\n if (vs1.translationY != vs2.translationY) translationY = vs1.translationY + (vs2.translationY - vs1.translationY) * p\n if (vs1.scaleX != vs2.scaleX) scaleX = vs1.scaleX + (vs2.scaleX - vs1.scaleX) * p\n if (vs1.scaleY != vs2.scaleY) scaleY = vs1.scaleY + (vs2.scaleY - vs1.scaleY) * p\n if (vs1.rotation != vs2.rotation) rotation = (vs1.rotation + (vs2.rotation - vs1.rotation) * p) % 360\n if (vs1.alpha != vs2.alpha) alpha = vs1.alpha + (vs2.alpha - vs1.alpha) * p\n\n val o = layoutParams\n var lpChanged = false\n if (vs1.width != vs2.width) {\n o.width = (vs1.width + (vs2.width - vs1.width) * p).toInt()\n lpChanged = true\n }\n if (vs1.height != vs2.height) {\n o.height = (vs1.height + (vs2.height - vs1.height) * p).toInt()\n lpChanged = true\n }\n (o as? ViewGroup.MarginLayoutParams)?.let {\n if (vs1.topMargin != vs2.topMargin) {\n it.topMargin = (vs1.topMargin + (vs2.topMargin - vs1.topMargin) * p).toInt()\n lpChanged = true\n }\n if (vs1.bottomMargin != vs2.bottomMargin) {\n it.bottomMargin = (vs1.bottomMargin + (vs2.bottomMargin - vs1.bottomMargin) * p).toInt()\n lpChanged = true\n }\n if (vs1.leftMargin != vs2.leftMargin) {\n it.leftMargin = (vs1.leftMargin + (vs2.leftMargin - vs1.leftMargin) * p).toInt()\n lpChanged = true\n }\n if (vs1.topMargin != vs2.topMargin) {\n it.topMargin = (vs1.topMargin + (vs2.topMargin - vs1.topMargin) * p).toInt()\n lpChanged = true\n }\n }\n if (lpChanged) layoutParams = o\n }\n }\n}\n\nfun Any?.statesChangeByAnimation(views: Array, tag1: Int, tag2: Int, start: Float = 0F, end: Float = 1F, updateCallback: AnimationUpdateListener? = null, updateStateListener: AnimatorListenerAdapter? = null, duration1: Long = 400L, startDelay1: Long = 0L): ValueAnimator {\n return ValueAnimator.ofFloat(start, end).apply {\n startDelay = startDelay1\n duration = duration1\n interpolator = AccelerateDecelerateInterpolator()\n addUpdateListener { animation ->\n val p = animation.animatedValue as Float\n updateCallback?.onAnimationUpdate(tag1, tag2, p)\n for (it in views) it.stateRefresh(tag1, tag2, animation.animatedValue as Float)\n }\n updateStateListener?.let { addListener(it) }\n\n start()\n }\n}\n\ninterface AnimationUpdateListener {\n fun onAnimationUpdate(tag1: Int, tag2: Int, p: Float)\n}"
},
{
"path": "app/src/main/res/drawable/ic_launcher_background.xml",
"content": "\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n"
},
{
"path": "app/src/main/res/drawable/merchant_search_shape.xml",
"content": "\n\n \n \n\n"
},
{
"path": "app/src/main/res/drawable/settle_submit_shape.xml",
"content": "\n\n\n \n\n"
},
{
"path": "app/src/main/res/drawable/shadow_b_000_shape.xml",
"content": "\n\n\n \n\n"
},
{
"path": "app/src/main/res/drawable/shadow_b_fff_shape.xml",
"content": "\n\n\n \n\n"
},
{
"path": "app/src/main/res/drawable/tab_title_selector.xml",
"content": "\n\n