viewBinding

app/src/main/java/io/legado/app/base/BaseActivity.kt

@@ -5,7 +5,6 @@ import android.content.res.Configuration
 import android.os.Build
 import android.os.Bundle
 import android.util.AttributeSet
-import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
@@ -24,7 +23,6 @@ import io.legado.app.utils.*
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.MainScope
 import kotlinx.coroutines.cancel
-import java.lang.reflect.ParameterizedType
 
 
 abstract class BaseActivity<VB : ViewBinding>(
@@ -35,15 +33,7 @@ abstract class BaseActivity<VB : ViewBinding>(
 ) : AppCompatActivity(),
     CoroutineScope by MainScope() {
 
-    protected val binding: VB by lazy {
-        //使用反射得到viewBinding的class
-        val type = javaClass.genericSuperclass as ParameterizedType
-        val aClass = type.actualTypeArguments[0] as Class<*>
-        val method = aClass.getDeclaredMethod("inflate", LayoutInflater::class.java)
-        @Suppress("UNCHECKED_CAST")
-        method.invoke(null, layoutInflater) as VB
-    }
-
+    protected val binding: VB by lazy { getViewBinding() }
 
     val isInMultiWindow: Boolean
         get() {
@@ -58,6 +48,8 @@ abstract class BaseActivity<VB : ViewBinding>(
         super.attachBaseContext(LanguageUtils.setConfiguration(newBase))
     }
 
+    protected abstract fun getViewBinding(): VB
+
     override fun onCreateView(
         parent: View?,
         name: String,

app/src/main/java/io/legado/app/ui/about/AboutActivity.kt

@@ -17,6 +17,10 @@ import org.jetbrains.anko.share
 
 class AboutActivity : BaseActivity<ActivityAboutBinding>() {
 
+    override fun getViewBinding(): ActivityAboutBinding {
+        return ActivityAboutBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         binding.llAbout.background = ATH.getDialogBackground()
         val fTag = "aboutFragment"

app/src/main/java/io/legado/app/ui/about/DonateActivity.kt

@@ -13,6 +13,10 @@ import io.legado.app.databinding.ActivityDonateBinding
 
 class DonateActivity : BaseActivity<ActivityDonateBinding>() {
 
+    override fun getViewBinding(): ActivityDonateBinding {
+        return ActivityDonateBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         val fTag = "donateFragment"
         var donateFragment = supportFragmentManager.findFragmentByTag(fTag)

app/src/main/java/io/legado/app/ui/about/ReadRecordActivity.kt

@@ -22,6 +22,10 @@ class ReadRecordActivity : BaseActivity<ActivityReadRecordBinding>() {
 
     lateinit var adapter: RecordAdapter
 
+    override fun getViewBinding(): ActivityReadRecordBinding {
+        return ActivityReadRecordBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         initView()
         initData()

app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt

@@ -16,6 +16,10 @@ class FileAssociationActivity :
         theme = Theme.Transparent
     ) {
 
+    override fun getViewBinding(): ActivityTranslucenceBinding {
+        return ActivityTranslucenceBinding.inflate(layoutInflater)
+    }
+
     override val viewModel: FileAssociationViewModel
         get() = getViewModel(FileAssociationViewModel::class.java)
 

app/src/main/java/io/legado/app/ui/association/ImportBookSourceActivity.kt

@@ -16,6 +16,10 @@ class ImportBookSourceActivity :
         theme = Theme.Transparent
     ) {
 
+    override fun getViewBinding(): ActivityTranslucenceBinding {
+        return ActivityTranslucenceBinding.inflate(layoutInflater)
+    }
+
     override val viewModel: ImportBookSourceViewModel
         get() = getViewModel(ImportBookSourceViewModel::class.java)
 

app/src/main/java/io/legado/app/ui/association/ImportReplaceRuleActivity.kt

@@ -16,6 +16,10 @@ class ImportReplaceRuleActivity :
         theme = Theme.Transparent
     ) {
 
+    override fun getViewBinding(): ActivityTranslucenceBinding {
+        return ActivityTranslucenceBinding.inflate(layoutInflater)
+    }
+
     override val viewModel: ImportReplaceRuleViewModel
         get() = getViewModel(ImportReplaceRuleViewModel::class.java)
 

app/src/main/java/io/legado/app/ui/association/ImportRssSourceActivity.kt

@@ -15,6 +15,10 @@ class ImportRssSourceActivity :
         theme = Theme.Transparent
     ) {
 
+    override fun getViewBinding(): ActivityTranslucenceBinding {
+        return ActivityTranslucenceBinding.inflate(layoutInflater)
+    }
+
     override val viewModel: ImportRssSourceViewModel
         get() = getViewModel(ImportRssSourceViewModel::class.java)
 

app/src/main/java/io/legado/app/ui/audio/AudioPlayActivity.kt

@@ -42,6 +42,10 @@ class AudioPlayActivity :
     private var requestCodeChapter = 8461
     private var adjustProgress = false
 
+    override fun getViewBinding(): ActivityAudioPlayBinding {
+        return ActivityAudioPlayBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         binding.titleBar.transparent()
         AudioPlay.titleData.observe(this, { binding.titleBar.title = it })

app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookActivity.kt

@@ -43,6 +43,10 @@ class ArrangeBookActivity : VMBaseActivity<ActivityArrangeBookBinding, ArrangeBo
     private var menu: Menu? = null
     private var groupId: Long = -1
 
+    override fun getViewBinding(): ActivityArrangeBookBinding {
+        return ActivityArrangeBookBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         groupId = intent.getLongExtra("groupId", -1)
         binding.titleBar.subtitle = intent.getStringExtra("groupName") ?: getString(R.string.all)

app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt

@@ -48,6 +48,10 @@ class CacheActivity : VMBaseActivity<ActivityCacheBookBinding, CacheViewModel>()
     override val viewModel: CacheViewModel
         get() = getViewModel(CacheViewModel::class.java)
 
+    override fun getViewBinding(): ActivityCacheBookBinding {
+        return ActivityCacheBookBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         groupId = intent.getLongExtra("groupId", -1)
         binding.titleBar.subtitle = intent.getStringExtra("groupName") ?: getString(R.string.all)

app/src/main/java/io/legado/app/ui/book/explore/ExploreShowActivity.kt

@@ -24,6 +24,10 @@ class ExploreShowActivity : VMBaseActivity<ActivityExploreShowBinding, ExploreSh
     private lateinit var loadMoreView: LoadMoreView
     private var isLoading = true
 
+    override fun getViewBinding(): ActivityExploreShowBinding {
+        return ActivityExploreShowBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         binding.titleBar.title = intent.getStringExtra("exploreName")
         initRecyclerView()

app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt

@@ -57,6 +57,10 @@ class BookInfoActivity :
     override val viewModel: BookInfoViewModel
         get() = getViewModel(BookInfoViewModel::class.java)
 
+    override fun getViewBinding(): ActivityBookInfoBinding {
+        return ActivityBookInfoBinding.inflate(layoutInflater)
+    }
+
     @SuppressLint("PrivateResource")
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         binding.titleBar.transparent()

app/src/main/java/io/legado/app/ui/book/info/edit/BookInfoEditActivity.kt

@@ -28,6 +28,10 @@ class BookInfoEditActivity :
     override val viewModel: BookInfoEditViewModel
         get() = getViewModel(BookInfoEditViewModel::class.java)
 
+    override fun getViewBinding(): ActivityBookInfoEditBinding {
+        return ActivityBookInfoEditBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         viewModel.bookData.observe(this, { upView(it) })
         if (viewModel.bookData.value == null) {

app/src/main/java/io/legado/app/ui/book/local/ImportBookActivity.kt

@@ -52,6 +52,10 @@ class ImportBookActivity : VMBaseActivity<ActivityImportBookBinding, ImportBookV
     override val viewModel: ImportBookViewModel
         get() = getViewModel(ImportBookViewModel::class.java)
 
+    override fun getViewBinding(): ActivityImportBookBinding {
+        return ActivityImportBookBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         initView()
         initEvent()

app/src/main/java/io/legado/app/ui/book/read/ReadBookBaseActivity.kt

@@ -45,6 +45,10 @@ abstract class ReadBookBaseActivity :
         get() = getViewModel(ReadBookViewModel::class.java)
     var bottomDialog = 0
 
+    override fun getViewBinding(): ActivityBookReadBinding {
+        return ActivityBookReadBinding.inflate(layoutInflater)
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         ReadBook.msg = null
         setOrientation()

app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt

@@ -52,6 +52,10 @@ class SearchActivity : VMBaseActivity<ActivityBookSearchBinding, SearchViewModel
     private var precisionSearchMenuItem: MenuItem? = null
     private var groups = linkedSetOf<String>()
 
+    override fun getViewBinding(): ActivityBookSearchBinding {
+        return ActivityBookSearchBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         binding.llHistory.setBackgroundColor(backgroundColor)
         serchView = binding.titleBar.findViewById(R.id.search_view)

app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentActivity.kt

@@ -42,6 +42,10 @@ class SearchContentActivity :
     private var durChapterIndex = 0
     private var searchResultList: MutableList<SearchResult> = mutableListOf()
 
+    override fun getViewBinding(): ActivitySearchContentBinding {
+        return ActivitySearchContentBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         searchView = binding.titleBar.findViewById(R.id.search_view)
         val bbg = bottomBackground

app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt

@@ -25,6 +25,10 @@ class BookSourceDebugActivity : VMBaseActivity<ActivitySourceDebugBinding, BookS
     private lateinit var searchView: SearchView
     private val qrRequestCode = 101
 
+    override fun getViewBinding(): ActivitySourceDebugBinding {
+        return ActivitySourceDebugBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         searchView = binding.titleBar.findViewById(R.id.search_view)
         viewModel.init(intent.getStringExtra("key"))

app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt

@@ -53,6 +53,10 @@ class BookSourceEditActivity :
     private var mSoftKeyboardTool: PopupWindow? = null
     private var mIsSoftKeyBoardShowing = false
 
+    override fun getViewBinding(): ActivityBookSourceEditBinding {
+        return ActivityBookSourceEditBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         initView()
         viewModel.initData(intent) {

app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt

@@ -67,6 +67,10 @@ class BookSourceActivity : VMBaseActivity<ActivityBookSourceBinding, BookSourceV
     private var sortAscending = 0
     private var snackBar: Snackbar? = null
 
+    override fun getViewBinding(): ActivityBookSourceBinding {
+        return ActivityBookSourceBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         searchView = binding.titleBar.findViewById(R.id.search_view)
         initRecyclerView()

app/src/main/java/io/legado/app/ui/book/toc/ChapterListActivity.kt

@@ -26,6 +26,10 @@ class ChapterListActivity : VMBaseActivity<ActivityChapterListBinding, ChapterLi
     private lateinit var tabLayout: TabLayout
     private var searchView: SearchView? = null
 
+    override fun getViewBinding(): ActivityChapterListBinding {
+        return ActivityChapterListBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         tabLayout = binding.titleBar.findViewById(R.id.tab_layout)
         tabLayout.isTabIndicatorFullWidth = false

app/src/main/java/io/legado/app/ui/config/ConfigActivity.kt

@@ -12,6 +12,10 @@ class ConfigActivity : VMBaseActivity<ActivityConfigBinding, ConfigViewModel>()
     override val viewModel: ConfigViewModel
         get() = getViewModel(ConfigViewModel::class.java)
 
+    override fun getViewBinding(): ActivityConfigBinding {
+        return ActivityConfigBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         intent.getIntExtra("configType", -1).let {
             if (it != -1) viewModel.configType = it

app/src/main/java/io/legado/app/ui/login/SourceLogin.kt

@@ -21,6 +21,10 @@ class SourceLogin : BaseActivity<ActivitySourceLoginBinding>() {
     var loginUrl: String? = null
     var checking = false
 
+    override fun getViewBinding(): ActivitySourceLoginBinding {
+        return ActivitySourceLoginBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         sourceUrl = intent.getStringExtra("sourceUrl")
         loginUrl = intent.getStringExtra("loginUrl")

app/src/main/java/io/legado/app/ui/main/MainActivity.kt

@@ -47,6 +47,10 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
     private var pagePosition = 0
     private val fragmentMap = hashMapOf<Int, Fragment>()
 
+    override fun getViewBinding(): ActivityMainBinding {
+        return ActivityMainBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         ATH.applyEdgeEffectColor(binding.viewPagerMain)
         ATH.applyBottomNavigationColor(binding.bottomNavigationView)

app/src/main/java/io/legado/app/ui/qrcode/QrCodeActivity.kt

@@ -21,6 +21,10 @@ class QrCodeActivity : BaseActivity<ActivityQrcodeCaptureBinding>(), QRCodeView.
     private val requestQrImage = 202
     private var flashlightIsOpen: Boolean = false
 
+    override fun getViewBinding(): ActivityQrcodeCaptureBinding {
+        return ActivityQrcodeCaptureBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         binding.zXingView.setDelegate(this)
         binding.fabFlashlight.setOnClickListener {

app/src/main/java/io/legado/app/ui/replace/ReplaceRuleActivity.kt

@@ -60,6 +60,10 @@ class ReplaceRuleActivity : VMBaseActivity<ActivityReplaceRuleBinding, ReplaceRu
     private var replaceRuleLiveData: LiveData<List<ReplaceRule>>? = null
     private var dataInit = false
 
+    override fun getViewBinding(): ActivityReplaceRuleBinding {
+        return ActivityReplaceRuleBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         initRecyclerView()
         initSearchView()

app/src/main/java/io/legado/app/ui/replace/edit/ReplaceEditActivity.kt

@@ -52,6 +52,10 @@ class ReplaceEditActivity :
         }
     }
 
+    override fun getViewBinding(): ActivityReplaceEditBinding {
+        return ActivityReplaceEditBinding.inflate(layoutInflater)
+    }
+
     override val viewModel: ReplaceEditViewModel
         get() = getViewModel(ReplaceEditViewModel::class.java)
 

app/src/main/java/io/legado/app/ui/rss/article/RssSortActivity.kt

@@ -25,6 +25,10 @@ class RssSortActivity : VMBaseActivity<ActivityRssArtivlesBinding, RssSortViewMo
     private val fragments = linkedMapOf<String, RssArticlesFragment>()
     private lateinit var adapter: TabFragmentPageAdapter
 
+    override fun getViewBinding(): ActivityRssArtivlesBinding {
+        return ActivityRssArtivlesBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         adapter = TabFragmentPageAdapter(supportFragmentManager)
         binding.tabLayout.setupWithViewPager(binding.viewPager)

app/src/main/java/io/legado/app/ui/rss/favorites/RssFavoritesActivity.kt

@@ -18,6 +18,10 @@ class RssFavoritesActivity : BaseActivity<ActivityRssFavoritesBinding>(),
     private var liveData: LiveData<List<RssStar>>? = null
     private lateinit var adapter: RssFavoritesAdapter
 
+    override fun getViewBinding(): ActivityRssFavoritesBinding {
+        return ActivityRssFavoritesBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         initView()
         initData()

app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt

@@ -43,6 +43,10 @@ class ReadRssActivity : VMBaseActivity<ActivityRssReadBinding, ReadRssViewModel>
     private var customWebViewCallback: WebChromeClient.CustomViewCallback? = null
     private var webPic: String? = null
 
+    override fun getViewBinding(): ActivityRssReadBinding {
+        return ActivityRssReadBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         viewModel.callBack = this
         binding.titleBar.title = intent.getStringExtra("title")

app/src/main/java/io/legado/app/ui/rss/source/debug/RssSourceDebugActivity.kt

@@ -18,6 +18,10 @@ class RssSourceDebugActivity : VMBaseActivity<ActivitySourceDebugBinding, RssSou
 
     private lateinit var adapter: RssSourceDebugAdapter
 
+    override fun getViewBinding(): ActivitySourceDebugBinding {
+        return ActivitySourceDebugBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         initRecyclerView()
         initSearchView()

app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt

@@ -40,6 +40,10 @@ class RssSourceEditActivity :
     private val adapter = RssSourceEditAdapter()
     private val sourceEntities: ArrayList<EditEntity> = ArrayList()
 
+    override fun getViewBinding(): ActivityRssSourceEditBinding {
+        return ActivityRssSourceEditBinding.inflate(layoutInflater)
+    }
+
     override val viewModel: RssSourceEditViewModel
         get() = getViewModel(RssSourceEditViewModel::class.java)
 

app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceActivity.kt

@@ -60,6 +60,10 @@ class RssSourceActivity : VMBaseActivity<ActivityRssSourceBinding, RssSourceView
     private var groups = hashSetOf<String>()
     private var groupMenu: SubMenu? = null
 
+    override fun getViewBinding(): ActivityRssSourceBinding {
+        return ActivityRssSourceBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         initRecyclerView()
         initSearchView()

app/src/main/java/io/legado/app/ui/welcome/WelcomeActivity.kt

@@ -20,6 +20,10 @@ import java.util.concurrent.TimeUnit
 
 open class WelcomeActivity : BaseActivity<ActivityWelcomeBinding>() {
 
+    override fun getViewBinding(): ActivityWelcomeBinding {
+        return ActivityWelcomeBinding.inflate(layoutInflater)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         binding.ivBook.setColorFilter(accentColor)
         binding.vwTitleLine.setBackgroundColor(accentColor)

app/src/main/java/io/legado/app/utils/viewbindingdelegate/ActivityViewBindings.kt

@@ -0,0 +1,60 @@
+@file:Suppress("RedundantVisibilityModifier", "unused")
+
+package io.legado.app.utils.viewbindingdelegate
+
+import android.view.View
+import androidx.annotation.IdRes
+import androidx.core.app.ComponentActivity
+import androidx.viewbinding.ViewBinding
+
+private class ActivityViewBindingProperty<A : ComponentActivity, T : ViewBinding>(
+    viewBinder: (A) -> T
+) : ViewBindingProperty<A, T>(viewBinder) {
+
+    override fun getLifecycleOwner(thisRef: A) = thisRef
+}
+
+/**
+ * Create new [ViewBinding] associated with the [Activity][ComponentActivity] and allow customize how
+ * a [View] will be bounded to the view binding.
+ */
+@JvmName("viewBindingActivity")
+public fun <A : ComponentActivity, T : ViewBinding> ComponentActivity.viewBinding(
+    viewBinder: (A) -> T
+): ViewBindingProperty<A, T> {
+    return ActivityViewBindingProperty(viewBinder)
+}
+
+/**
+ * Create new [ViewBinding] associated with the [Activity][ComponentActivity] and allow customize how
+ * a [View] will be bounded to the view binding.
+ */
+@JvmName("viewBindingActivity")
+public inline fun <A : ComponentActivity, T : ViewBinding> ComponentActivity.viewBinding(
+    crossinline vbFactory: (View) -> T,
+    crossinline viewProvider: (A) -> View
+): ViewBindingProperty<A, T> {
+    return viewBinding { activity: A -> vbFactory(viewProvider(activity)) }
+}
+
+/**
+ * Create new [ViewBinding] associated with the [Activity][this] and allow customize how
+ * a [View] will be bounded to the view binding.
+ *
+ * @param vbFactory Function that create new instance of [ViewBinding]. `MyViewBinding::bind` can be used
+ * @param viewBindingRootId Root view's id that will be used as root for the view binding
+ */
+@Suppress("unused")
+@JvmName("viewBindingActivity")
+public inline fun <T : ViewBinding> ComponentActivity.viewBinding(
+    crossinline vbFactory: (View) -> T,
+    @IdRes viewBindingRootId: Int
+): ViewBindingProperty<ComponentActivity, T> {
+    return viewBinding { activity: ComponentActivity ->
+        vbFactory(
+            activity.findViewById(
+                viewBindingRootId
+            )
+        )
+    }
+}