up

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

@@ -239,6 +239,9 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
         return super.onKeyDown(keyCode, event)
     }
 
+    /**
+     * 长按事件
+     */
     override fun onKeyLongPress(keyCode: Int, event: KeyEvent?): Boolean {
         when (keyCode) {
             KeyEvent.KEYCODE_BACK -> {
@@ -249,6 +252,9 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
         return super.onKeyLongPress(keyCode, event)
     }
 
+    /**
+     * 松开按键事件
+     */
     override fun onKeyUp(keyCode: Int, event: KeyEvent?): Boolean {
         when (keyCode) {
             KeyEvent.KEYCODE_VOLUME_UP, KeyEvent.KEYCODE_VOLUME_DOWN -> {
@@ -274,6 +280,9 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
         return super.onKeyUp(keyCode, event)
     }
 
+    /**
+     * 音量键翻页
+     */
     private fun volumeKeyPage(direction: PageDelegate.Direction): Boolean {
         if (!read_menu.isVisible) {
             if (getPrefBoolean("volumeKeyPage", true)) {