Add Privacy and Security Settings

app/src/main/java/com/hippo/ehviewer/ui/UConfigActivity.java

@@ -32,6 +32,7 @@ import android.support.v7.app.AlertDialog;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.WindowManager;
 import android.webkit.CookieManager;
 import android.webkit.CookieSyncManager;
 import android.webkit.JsPromptResult;
@@ -43,6 +44,7 @@ import android.widget.EditText;
 import android.widget.TextView;
 import com.hippo.ehviewer.EhApplication;
 import com.hippo.ehviewer.R;
+import com.hippo.ehviewer.Settings;
 import com.hippo.ehviewer.client.EhCookieStore;
 import com.hippo.ehviewer.client.EhUrl;
 import com.hippo.widget.ProgressView;
@@ -248,4 +250,15 @@ public class UConfigActivity extends ToolbarActivity {
       return true;
     }
   }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    if(Settings.getEnabledSecurity()){
+      getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE,
+              WindowManager.LayoutParams.FLAG_SECURE);
+    }else{
+      getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SECURE);
+    }
+  }
 }