viewBinding

iielse · Jun 13, 2021 · 51ab772 · 51ab772
1 parent 7c7421d
commit 51ab772
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Showing 15 changed files with 168 additions and 166 deletions.
diff --git a/app/build.gradle b/app/build.gradle
@@ -1,11 +1,6 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
-apply plugin: 'kotlin-android-extensions'
-
-androidExtensions {
-    experimental = true
-}
 
 kapt {
     generateStubs = true
@@ -23,6 +18,7 @@ android {
         versionName rootProject.ext.versionName
         applicationId "com.github.iielse.imageviewer.demo"
     }
+    buildFeatures.viewBinding = true
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8

diff --git a/app/src/main/java/com/github/iielse/imageviewer/demo/business/MainActivity.kt b/app/src/main/java/com/github/iielse/imageviewer/demo/business/MainActivity.kt
@@ -6,27 +6,28 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.viewpager2.widget.ViewPager2
-import com.github.iielse.imageviewer.demo.R
 import com.github.iielse.imageviewer.demo.core.ITEM_CLICKED
 import com.github.iielse.imageviewer.demo.core.viewer.TransitionViewsRef
 import com.github.iielse.imageviewer.demo.core.viewer.TransitionViewsRef.KEY_MAIN
 import com.github.iielse.imageviewer.demo.data.MyData
+import com.github.iielse.imageviewer.demo.databinding.MainActivityBinding
 import com.github.iielse.imageviewer.demo.utils.App
 import com.github.iielse.imageviewer.demo.utils.statusBarHeight
 import com.github.iielse.imageviewer.utils.Config
-import kotlinx.android.synthetic.main.main_activity.*
 
 class MainActivity : AppCompatActivity() {
+    private val binding by lazy { MainActivityBinding.inflate(layoutInflater) }
+
     private val viewModel by lazy { ViewModelProvider(this).get(TestDataViewModel::class.java) }
     private val adapter by lazy { TestDataAdapter() }
 
     override fun onDestroy() {
         super.onDestroy()
-        orientation.setOnClickListener(null)
-        fullScreen.setOnClickListener(null)
-        loadAllAtOnce.setOnClickListener(null)
-        customTransition.setOnClickListener(null)
-        recyclerView.adapter = null
+        binding.orientation.setOnClickListener(null)
+        binding.fullScreen.setOnClickListener(null)
+        binding.loadAllAtOnce.setOnClickListener(null)
+        binding.customTransition.setOnClickListener(null)
+        binding.recyclerView.adapter = null
         adapter.setListener(null)
         TransitionViewsRef.releaseTransitionViewRef(KEY_MAIN)
     }
@@ -35,7 +36,7 @@ class MainActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         App.context = this.applicationContext // 随便找位置借个全局context用用.
         Config.TRANSITION_OFFSET_Y = statusBarHeight()
-        setContentView(R.layout.main_activity)
+        setContentView(binding.root)
         initialViews()
         viewModel.dataList.observe(this, androidx.lifecycle.Observer(adapter::submitList))
     }
@@ -57,34 +58,34 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun initialViews() {
-        orientation.setOnClickListener {
+        binding.orientation.setOnClickListener {
             val orientationH = ViewerHelper.orientationH
             ViewerHelper.orientationH = !orientationH
-            orientation.text = if (!orientationH) "Horizontal" else "Vertical"
+            binding.orientation.text = if (!orientationH) "Horizontal" else "Vertical"
             Config.VIEWER_ORIENTATION = if (!orientationH) ViewPager2.ORIENTATION_HORIZONTAL else ViewPager2.ORIENTATION_VERTICAL
         }
-        fullScreen.setOnClickListener {
+        binding.fullScreen.setOnClickListener {
             val isFullScreen = ViewerHelper.fullScreen
             ViewerHelper.fullScreen = !isFullScreen
-            fullScreen.text = if (!isFullScreen) "FullScreen(on)" else "FullScreen(off)"
+            binding.fullScreen.text = if (!isFullScreen) "FullScreen(on)" else "FullScreen(off)"
             Config.TRANSITION_OFFSET_Y = if (!isFullScreen) 0 else statusBarHeight()
         }
-        loadAllAtOnce.setOnClickListener {
+        binding.loadAllAtOnce.setOnClickListener {
             val isLoadAllAtOnce = ViewerHelper.loadAllAtOnce
             ViewerHelper.loadAllAtOnce = !isLoadAllAtOnce
-            loadAllAtOnce.text = if (!isLoadAllAtOnce) "LoadAllAtOnce(on)" else "LoadAllAtOnce(off)"
+            binding.loadAllAtOnce.text = if (!isLoadAllAtOnce) "LoadAllAtOnce(on)" else "LoadAllAtOnce(off)"
         }
-        simplePlayVideo.setOnClickListener {
+        binding.simplePlayVideo.setOnClickListener {
             val isSimplePlayVideo = ViewerHelper.simplePlayVideo
             ViewerHelper.simplePlayVideo = !isSimplePlayVideo
-            simplePlayVideo.text = if (!isSimplePlayVideo) "Video(simple)" else "Video(controlView)"
+            binding.simplePlayVideo.text = if (!isSimplePlayVideo) "Video(simple)" else "Video(controlView)"
         }
-        customTransition.setOnClickListener {
+        binding.customTransition.setOnClickListener {
             CustomTransitionHelper.show(it)
         }
 
-        recyclerView.layoutManager = GridLayoutManager(this, 3)
-        recyclerView.adapter = adapter
+        binding.recyclerView.layoutManager = GridLayoutManager(this, 3)
+        binding.recyclerView.adapter = adapter
         adapter.setListener(::handleAdapterListener)
     }
 }

diff --git a/app/src/main/java/com/github/iielse/imageviewer/demo/business/TestActivity.kt b/app/src/main/java/com/github/iielse/imageviewer/demo/business/TestActivity.kt
@@ -2,30 +2,30 @@ package com.github.iielse.imageviewer.demo.business
 
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
-import com.github.iielse.imageviewer.demo.R
+import com.github.iielse.imageviewer.demo.databinding.ActivityTestBinding
 import com.github.iielse.imageviewer.demo.utils.toast
-import kotlinx.android.synthetic.main.activity_test.*
 
 class TestActivity : AppCompatActivity() {
+    private val binding by lazy { ActivityTestBinding.inflate(layoutInflater) }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_test)
+        setContentView(binding.root)
 
-        exoVideoView.setOnClickListener {
+        binding.exoVideoView.setOnClickListener {
             toast("video click")
         }
-        exoVideoView.setOnLongClickListener {
+        binding.exoVideoView.setOnLongClickListener {
             toast("video long clicked")
             true
         }
-        exoVideoView.prepare("https://9890.vod.myqcloud.com/9890_4e292f9a3dd011e6b4078980237cc3d3.f20.mp4")
-        exoVideoView.resume()
+        binding.exoVideoView.prepare("https://9890.vod.myqcloud.com/9890_4e292f9a3dd011e6b4078980237cc3d3.f20.mp4")
+        binding.exoVideoView.resume()
     }
 
     override fun onDestroy() {
         super.onDestroy()
-        exoVideoView.release()
+        binding.exoVideoView.release()
     }
 
 }
diff --git a/app/src/main/java/com/github/iielse/imageviewer/demo/business/TestDataAdapter.kt b/app/src/main/java/com/github/iielse/imageviewer/demo/business/TestDataAdapter.kt
@@ -4,13 +4,10 @@ import android.view.ViewGroup
 import androidx.paging.PagedListAdapter
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
-import com.github.iielse.imageviewer.demo.R
 import com.github.iielse.imageviewer.demo.core.AdapterCallback
 import com.github.iielse.imageviewer.demo.core.viewer.TransitionViewsRef
 import com.github.iielse.imageviewer.demo.core.viewer.TransitionViewsRef.KEY_MAIN
 import com.github.iielse.imageviewer.demo.data.MyData
-import com.github.iielse.imageviewer.demo.utils.inflate
-import kotlinx.android.synthetic.main.item_image.*
 import java.util.*
 
 class TestDataAdapter : PagedListAdapter<MyData, RecyclerView.ViewHolder>(provideDiffer()) {
@@ -27,7 +24,7 @@ class TestDataAdapter : PagedListAdapter<MyData, RecyclerView.ViewHolder>(provid
     }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
-        return TestDataViewHolder(parent.inflate(R.layout.item_image), listener)
+        return TestDataViewHolder(parent, listener)
     }
 
     override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
@@ -41,7 +38,7 @@ class TestDataAdapter : PagedListAdapter<MyData, RecyclerView.ViewHolder>(provid
         super.onViewAttachedToWindow(holder)
         if (holder is TestDataViewHolder) {
             (holder.itemView.tag as? MyData?)?.let {
-                TransitionViewsRef.provideTransitionViewsRef(KEY_MAIN).put(it.id, holder.imageView)
+                TransitionViewsRef.provideTransitionViewsRef(KEY_MAIN).put(it.id, holder.binding.imageView)
             }
         }
     }

diff --git a/app/src/main/java/com/github/iielse/imageviewer/demo/business/TestDataViewHolder.kt b/app/src/main/java/com/github/iielse/imageviewer/demo/business/TestDataViewHolder.kt
@@ -1,38 +1,42 @@
 package com.github.iielse.imageviewer.demo.business
 
-import android.view.View
+import android.view.LayoutInflater
+import android.view.ViewGroup
 import android.widget.ImageView
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.Glide
 import com.github.iielse.imageviewer.demo.core.AdapterCallback
 import com.github.iielse.imageviewer.demo.core.ITEM_CLICKED
 import com.github.iielse.imageviewer.demo.data.MyData
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_image.*
-import kotlinx.android.synthetic.main.item_image.view.*
+import com.github.iielse.imageviewer.demo.databinding.ItemImageBinding
 
-class TestDataViewHolder(override val containerView: View, private val listener: AdapterCallback) : RecyclerView.ViewHolder(containerView), LayoutContainer {
+class TestDataViewHolder(
+    parent: ViewGroup,
+    callback: AdapterCallback,
+    val binding: ItemImageBinding =
+        ItemImageBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+) : RecyclerView.ViewHolder(binding.root) {
     init {
         // 初始化点击回调
         itemView.setOnClickListener {
-            (it.tag as? MyData?)?.let { listener.invoke(ITEM_CLICKED, it) }
+            (it.tag as? MyData?)?.let { callback.invoke(ITEM_CLICKED, it) }
         }
     }
 
     fun bind(item: MyData, pos: Int) {
         itemView.tag = item
 
-        posTxt.text = when {
+        binding.posTxt.text = when {
             item.subsampling -> "$pos subsampling"
             item.url.endsWith(".gif") -> "$pos gif"
             item.url.endsWith(".mp4") -> "$pos video"
             else -> pos.toString()
         }
 
         // 测试 fitXY 的过渡动画效果
-        itemView.imageView.scaleType = if (pos == 19) ImageView.ScaleType.FIT_XY else ImageView.ScaleType.CENTER_CROP
+        binding.imageView.scaleType = if (pos == 19) ImageView.ScaleType.FIT_XY else ImageView.ScaleType.CENTER_CROP
 
-        Glide.with(imageView).load(item.url).into(imageView)
+        Glide.with(binding.imageView).load(item.url).into(binding.imageView)
     }
 }
 
diff --git a/imageviewer/build.gradle b/imageviewer/build.gradle
@@ -1,10 +1,5 @@
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
-
-androidExtensions {
-    experimental = true
-}
 
 android {
     buildToolsVersion rootProject.ext.buildToolsVersion
@@ -17,6 +12,8 @@ android {
         versionName rootProject.ext.versionName
     }
 
+    buildFeatures.viewBinding = true
+
     kotlinOptions {
         jvmTarget = "1.8"
     }