fix(player): 修复评论输入聚焦时面板消失

android/app/src/main/kotlin/com/stormg/lumadrama/MainActivity.kt

@@ -8,6 +8,8 @@ import android.content.res.Configuration
 import android.os.Build
 import android.util.Rational
 import android.content.pm.PackageManager
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
 import io.flutter.embedding.android.FlutterActivity
 import io.flutter.embedding.engine.FlutterEngine
 import io.flutter.plugin.common.MethodChannel
@@ -16,6 +18,8 @@ class MainActivity : FlutterActivity() {
     private val shareRequestCode = 9041
     private var pendingShare: MethodChannel.Result? = null
     private var pipChannel: MethodChannel? = null
+    private var keyboardChannel: MethodChannel? = null
+    private var imeInset = 0
 
     override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
         super.configureFlutterEngine(flutterEngine)
@@ -62,6 +66,37 @@ class MainActivity : FlutterActivity() {
                     result.error("share_failed", error.message, null)
                 }
             }
+        keyboardChannel = MethodChannel(
+            flutterEngine.dartExecutor.binaryMessenger,
+            "com.stormg.lumadrama/keyboard"
+        )
+        keyboardChannel?.setMethodCallHandler { call, result ->
+            if (call.method != "get") {
+                result.notImplemented()
+                return@setMethodCallHandler
+            }
+            val inset = currentImeInset()
+            emitImeInset(inset)
+            result.success(inset)
+        }
+        val decorView = window.decorView
+        ViewCompat.setOnApplyWindowInsetsListener(decorView) { view, insets ->
+            emitImeInset(insets.getInsets(WindowInsetsCompat.Type.ime()).bottom)
+            ViewCompat.onApplyWindowInsets(view, insets)
+        }
+        ViewCompat.requestApplyInsets(decorView)
+    }
+
+    private fun currentImeInset(): Int =
+        ViewCompat.getRootWindowInsets(window.decorView)
+            ?.getInsets(WindowInsetsCompat.Type.ime())
+            ?.bottom
+            ?: 0
+
+    private fun emitImeInset(value: Int) {
+        if (value == imeInset) return
+        imeInset = value
+        keyboardChannel?.invokeMethod("insetsChanged", value)
     }
 
     override fun onPictureInPictureModeChanged(isInPictureInPictureMode: Boolean, newConfig: Configuration) {
@@ -77,4 +112,11 @@ class MainActivity : FlutterActivity() {
             pendingShare = null
         }
     }
+
+    override fun onDestroy() {
+        ViewCompat.setOnApplyWindowInsetsListener(window.decorView, null)
+        keyboardChannel?.setMethodCallHandler(null)
+        keyboardChannel = null
+        super.onDestroy()
+    }
 }