webview退出后 清除缓存

app/src/main/java/com/mints/street/webview/MintsWebViewActivity.kt

@@ -2,6 +2,7 @@ package com.mints.street.webview
 
 import android.content.Intent
 import android.os.Bundle
+import android.view.ViewGroup
 import android.webkit.WebSettings
 import android.webkit.WebView
 import android.webkit.WebViewClient
@@ -65,4 +66,16 @@ class MintsWebViewActivity : BaseActivity<ActivityMintsWebViewBinding, MintsWebV
 
 
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+
+        binding.webview?.let {
+            it.destroyDrawingCache()
+            val parent = it.parent as ViewGroup
+            parent?.removeView(it)
+            it.removeAllViews()
+            it.destroy()
+        }
+    }
 }
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