优化

app/src/main/java/io/legado/app/ui/browser/WebViewActivity.kt

@@ -37,6 +37,7 @@ import io.legado.app.ui.file.HandleFileContract
 import io.legado.app.utils.ACache
 import io.legado.app.utils.gone
 import io.legado.app.utils.invisible
+import io.legado.app.utils.keepScreenOn
 import io.legado.app.utils.longSnackbar
 import io.legado.app.utils.openUrl
 import io.legado.app.utils.sendToClip
@@ -237,12 +238,14 @@ class WebViewActivity : VMBaseActivity<ActivityWebViewBinding, WebViewModel>() {
             binding.llView.invisible()
             binding.customWebView.addView(view)
             customWebViewCallback = callback
+            keepScreenOn(true)
         }
 
         override fun onHideCustomView() {
             binding.customWebView.removeAllViews()
             binding.llView.visible()
             requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
+            keepScreenOn(false)
         }
     }
 

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

@@ -49,6 +49,7 @@ import io.legado.app.utils.get
 import io.legado.app.utils.gone
 import io.legado.app.utils.invisible
 import io.legado.app.utils.isTrue
+import io.legado.app.utils.keepScreenOn
 import io.legado.app.utils.longSnackbar
 import io.legado.app.utils.openUrl
 import io.legado.app.utils.setDarkeningAllowed
@@ -378,12 +379,14 @@ class ReadRssActivity : VMBaseActivity<ActivityRssReadBinding, ReadRssViewModel>
             binding.llView.invisible()
             binding.customWebView.addView(view)
             customWebViewCallback = callback
+            keepScreenOn(true)
         }
 
         override fun onHideCustomView() {
             binding.customWebView.removeAllViews()
             binding.llView.visible()
             requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
+            keepScreenOn(false)
         }
     }
 

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

@@ -162,6 +162,17 @@ fun Activity.setNavigationBarColorAuto(@ColorInt color: Int) {
     }
 }
 
+fun Activity.keepScreenOn(on: Boolean) {
+    val isScreenOn =
+        (window.attributes.flags and WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON) != 0
+    if (on == isScreenOn) return
+    if (on) {
+        window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+    } else {
+        window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+    }
+}
+
 /////以下方法需要在View完全被绘制出来之后调用，否则判断不了,在比如 onWindowFocusChanged（）方法中可以得到正确的结果/////
 
 /**