enable LocalStorage access in WebView to allow JWPlayer 7+ to load

references:
    https://stackoverflow.com/questions/35298419/android-webview-jwplayer7-cannot-read-property-jwplayer-volume-of-null
    https://stackoverflow.com/a/36087492

WebCast/src/main/java/com/github/warren_bank/webcast/webview/BrowserActivity.java

@@ -11,26 +11,28 @@
 import android.graphics.Bitmap;
 import android.os.Build;
 import android.os.Bundle;
-import com.google.android.material.snackbar.Snackbar;
-import androidx.drawerlayout.widget.DrawerLayout;
-import androidx.appcompat.app.AlertDialog;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.SearchView;
-import androidx.appcompat.widget.Toolbar;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.webkit.CookieManager;
 import android.webkit.WebResourceError;
 import android.webkit.WebResourceRequest;
 import android.webkit.WebSettings;
+import android.webkit.WebStorage;
 import android.webkit.WebView;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.EditText;
 import android.widget.ListView;
 import android.widget.ProgressBar;
 import android.widget.TextView;
+import androidx.drawerlayout.widget.DrawerLayout;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.SearchView;
+import androidx.appcompat.widget.Toolbar;
+import com.google.android.material.snackbar.Snackbar;
 
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
@@ -245,6 +247,16 @@ public void onDestroy() {
 
         webView.clearCache(true);
         webView.clearHistory();
+        webView.clearFormData();
+        webView.clearSslPreferences();
+        WebStorage.getInstance().deleteAllData();
+        if (Build.VERSION.SDK_INT >= 21) {
+            CookieManager.getInstance().removeAllCookies(null);
+            CookieManager.getInstance().flush();
+        }
+        else {
+            CookieManager.getInstance().removeAllCookie();
+        }
     }
 
     // ---------------------------------------------------------------------------------------------
@@ -825,6 +837,7 @@ public void onReceivedError(WebView view, WebResourceRequest request, WebResourc
         webSettings.setDisplayZoomControls(true);
         webSettings.setUseWideViewPort(false);
         webSettings.setJavaScriptEnabled(true);
+        webSettings.setDomStorageEnabled(true);
         webSettings.setUserAgentString(
             getResources().getString(R.string.user_agent)
         );

constants.gradle

@@ -1,11 +1,11 @@
 project.ext {
-    releaseVersionCode = 004070316
-    releaseVersion = '004.07.03-16API'
+    releaseVersionCode = 004070416
+    releaseVersion = '004.07.04-16API'
     minSdkVersion = 16
     targetSdkVersion = 28
     compileSdkVersion = 28
     buildToolsVersion = '28.0.3'
-    jetpackVersion = '1.0.0'
     javaVersion = JavaVersion.VERSION_1_8
+    jetpackVersion = '1.0.0'
     exoPlayerVersion = '2.10.0'
 }