LiveEventBus简单封装

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

@@ -17,7 +17,8 @@ import kotlinx.coroutines.MainScope
 import kotlinx.coroutines.cancel
 
 
-abstract class BaseActivity<VM : ViewModel>(private val fullScreen: Boolean = true) : AppCompatActivity(), CoroutineScope by MainScope() {
+abstract class BaseActivity<VM : ViewModel>(private val fullScreen: Boolean = true) : AppCompatActivity(),
+    CoroutineScope by MainScope() {
 
     protected abstract val viewModel: VM
 
@@ -79,7 +80,8 @@ abstract class BaseActivity<VM : ViewModel>(private val fullScreen: Boolean = tr
     private fun setupSystemBar() {
         if (fullScreen) {
             window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS or WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION)
-            window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+            window.decorView.systemUiVisibility =
+                View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
             window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS)
             if (getPrefBoolean("transparentStatusBar")) {
                 window.statusBarColor = Color.TRANSPARENT
@@ -92,7 +94,6 @@ abstract class BaseActivity<VM : ViewModel>(private val fullScreen: Boolean = tr
     }
 
     open fun observeLiveBus() {
-
     }
 
     override fun finish() {

app/src/main/java/io/legado/app/constant/Bus.kt

@@ -1,5 +1,5 @@
 package io.legado.app.constant
 
 object Bus {
-    const val recreate = "recreate"
+    const val RECREATE = "RECREATE"
 }

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

@@ -11,10 +11,7 @@ import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.constant.Bus
 import io.legado.app.lib.theme.ColorUtils
-import io.legado.app.utils.getCompatColor
+import io.legado.app.utils.*
-import io.legado.app.utils.getPrefBoolean
-import io.legado.app.utils.putPrefInt
-import io.legado.app.utils.upTint
 
 
 class ThemeConfigFragment : PreferenceFragmentCompat(), SharedPreferences.OnSharedPreferenceChangeListener {
@@ -37,7 +34,7 @@ class ThemeConfigFragment : PreferenceFragmentCompat(), SharedPreferences.OnShar
         sharedPreferences ?: return
         when (key) {
             "transparentStatusBar" -> {
-                LiveEventBus.get().with(Bus.recreate).post("")
+                postEvent(Bus.RECREATE, "")
                 Handler().postDelayed({ activity?.recreate() }, 100)
             }
             "colorPrimary", "colorAccent", "colorBackground" -> {
@@ -101,7 +98,7 @@ class ThemeConfigFragment : PreferenceFragmentCompat(), SharedPreferences.OnShar
                                 .putInt("colorBackgroundNight", App.INSTANCE.getCompatColor(R.color.md_grey_800))
                                 .apply()
                             App.INSTANCE.upThemeStore()
-                            LiveEventBus.get().with(Bus.recreate).post("")
+                            LiveEventBus.get().with(Bus.RECREATE).post("")
                             Handler().postDelayed({ activity?.recreate() }, 100)
                         }
                         .setNegativeButton(R.string.cancel, null)
@@ -133,7 +130,7 @@ class ThemeConfigFragment : PreferenceFragmentCompat(), SharedPreferences.OnShar
     private fun upTheme(isNightTheme: Boolean) {
         if (App.INSTANCE.getPrefBoolean("isNightTheme") == isNightTheme) {
             App.INSTANCE.upThemeStore()
-            LiveEventBus.get().with(Bus.recreate).post("")
+            LiveEventBus.get().with(Bus.RECREATE).post("")
             Handler().postDelayed({ activity?.recreate() }, 100)
         }
     }

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

@@ -8,7 +8,6 @@ import androidx.fragment.app.FragmentPagerAdapter
 import androidx.lifecycle.Observer
 import androidx.viewpager.widget.ViewPager
 import com.google.android.material.bottomnavigation.BottomNavigationView
-import com.jeremyliao.liveeventbus.LiveEventBus
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.BaseActivity
@@ -21,10 +20,7 @@ import io.legado.app.ui.main.bookshelf.BookshelfFragment
 import io.legado.app.ui.main.findbook.FindBookFragment
 import io.legado.app.ui.main.my.MyFragment
 import io.legado.app.ui.main.rss.RssFragment
-import io.legado.app.utils.getCompatColor
+import io.legado.app.utils.*
-import io.legado.app.utils.getPrefInt
-import io.legado.app.utils.getViewModel
-import io.legado.app.utils.putPrefInt
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.launch
@@ -114,9 +110,8 @@ class MainActivity : BaseActivity<MainViewModel>(), BottomNavigationView.OnNavig
     }
 
     override fun observeLiveBus() {
-        LiveEventBus.get().with(Bus.recreate, String::class.java)
+        observeEvent<String>(Bus.RECREATE, Observer {
-            .observe(this, Observer {
+            recreate()
-                recreate()
+        })
-            })
     }
 }

app/src/main/java/io/legado/app/utils/ContextExtensions.kt

@@ -5,8 +5,11 @@ import android.content.res.ColorStateList
 import android.graphics.drawable.Drawable
 import androidx.annotation.ColorRes
 import androidx.annotation.DrawableRes
+import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
 import androidx.core.content.edit
+import com.jeremyliao.liveeventbus.LiveEventBus
+import io.legado.app.R
 import org.jetbrains.anko.connectivityManager
 import org.jetbrains.anko.defaultSharedPreferences
 
@@ -61,4 +64,4 @@ fun Context.getStatusBarHeight(): Int {
 fun Context.getNavigationBarHeight(): Int {
     val resourceId = resources.getIdentifier("navigation_bar_height", "dimen", "android")
     return resources.getDimensionPixelSize(resourceId)
-}
+}

app/src/main/java/io/legado/app/utils/EventBusKt.kt

@@ -0,0 +1,30 @@
+package io.legado.app.utils
+
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import com.jeremyliao.liveeventbus.LiveEventBus
+
+inline fun <reified EVENT> eventObservable(tag: String): LiveEventBus.Observable<EVENT> {
+    return LiveEventBus.get().with(tag, EVENT::class.java)
+}
+
+inline fun <reified EVENT> postEvent(tag: String, event: EVENT) {
+    return LiveEventBus.get().with(tag, EVENT::class.java).post(event)
+}
+
+inline fun <reified EVENT> AppCompatActivity.observeEvent(tag: String, observer: Observer<EVENT>) {
+    return eventObservable<EVENT>(tag).observe(this, observer)
+}
+
+inline fun <reified EVENT> AppCompatActivity.observeEventSticky(tag: String, observer: Observer<EVENT>) {
+    return eventObservable<EVENT>(tag).observeSticky(this, observer)
+}
+
+inline fun <reified EVENT> Fragment.observeEvent(tag: String, observer: Observer<EVENT>) {
+    return eventObservable<EVENT>(tag).observe(this, observer)
+}
+
+inline fun <reified EVENT> Fragment.observeEventSticky(tag: String, observer: Observer<EVENT>) {
+    return eventObservable<EVENT>(tag).observeSticky(this, observer)
+}