Update MainActivity.java

Author: Keillion

1.hello-world/14.read-video-webview/android/app/src/main/java/com/dynamsoft/javascript/readvideowebview/MainActivity.java

@@ -14,6 +14,7 @@
 import android.webkit.WebSettings;
 import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
+import android.content.pm.PackageManager;
 
 public class MainActivity extends AppCompatActivity {
     static int Camera_Permission_Request_Code = 32765;
@@ -24,8 +25,8 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        if (ContextCompat.checkSelfPermission(mActivity, "android.permission.CAMERA") != PackageManager.PERMISSION_GRANTED) {
-            ActivityCompat.requestPermissions(mActivity, new String[]{"android.permission.CAMERA"}, Camera_Permission_Request_Code);
+        if (ContextCompat.checkSelfPermission(this, "android.permission.CAMERA") != PackageManager.PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions(this, new String[]{"android.permission.CAMERA"}, Camera_Permission_Request_Code);
         }
 
         // Initialize WebView
@@ -52,5 +53,5 @@ public void run() {
         // load local or remote web page
         mWebView.loadUrl("file:///android_asset/index.html");
     }
-    
+
 }